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newforms->newforms_portable

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This commit is contained in:
Martijn Voncken 2008-03-22 12:55:49 +00:00
parent 0eaa0aca27
commit b87089c7d2
28 changed files with 2460 additions and 808 deletions
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2
deluge/ui/webui/components.py
View file

@ -153,7 +153,7 @@ class ConfigPageManager(component.Component):
def __init__(self):
component.Component.__init__(self, "ConfigPageManager")
self.groups = []
self.blocks = forms.utils.datastructures.SortedDict()
self.blocks = forms.django.utils.datastructures.SortedDict()
def register(self, group, name, form):
if not group in self.groups:

2
deluge/ui/webui/config_tabs_deluge.py
View file

@ -57,7 +57,7 @@ class NetworkPorts(config_forms.CfgForm ):
data['listen_ports'] = [data['_port_from'] , data['_port_to'] ]
del(data['_port_from'])
del(data['_port_to'])
config_forms.config.CfgForm.save(self, data)
config_forms.CfgForm.save(self, data)
def validate(self, data):
if (data['_port_to'] < data['_port_from']):

492
deluge/ui/webui/lib/newforms/fields.py
View file

@ -1,492 +0,0 @@
"""
Field classes
"""
from gettext import gettext
from util import ErrorList, ValidationError, smart_unicode
from widgets import TextInput, PasswordInput, HiddenInput, MultipleHiddenInput, CheckboxInput, Select, NullBooleanSelect, SelectMultiple
import datetime
import re
import time
__all__ = (
'Field', 'CharField', 'IntegerField',
'DEFAULT_DATE_INPUT_FORMATS', 'DateField',
'DEFAULT_TIME_INPUT_FORMATS', 'TimeField',
'DEFAULT_DATETIME_INPUT_FORMATS', 'DateTimeField',
'RegexField', 'EmailField', 'URLField', 'BooleanField',
'ChoiceField', 'NullBooleanField', 'MultipleChoiceField',
'ComboField', 'MultiValueField',
'SplitDateTimeField',
)
# These values, if given to to_python(), will trigger the self.required check.
EMPTY_VALUES = (None, '')
try:
set # Only available in Python 2.4+
except NameError:
from sets import Set as set # Python 2.3 fallback
class Field(object):
widget = TextInput # Default widget to use when rendering this type of Field.
hidden_widget = HiddenInput # Default widget to use when rendering this as "hidden".
# Tracks each time a Field instance is created. Used to retain order.
creation_counter = 0
def __init__(self, required=True, widget=None, label=None, initial=None, help_text=None):
# required -- Boolean that specifies whether the field is required.
# True by default.
# widget -- A Widget class, or instance of a Widget class, that should be
# used for this Field when displaying it. Each Field has a default
# Widget that it'll use if you don't specify this. In most cases,
# the default widget is TextInput.
# label -- A verbose name for this field, for use in displaying this field in
# a form. By default, Django will use a "pretty" version of the form
# field name, if the Field is part of a Form.
# initial -- A value to use in this Field's initial display. This value is
# *not* used as a fallback if data isn't given.
# help_text -- An optional string to use as "help text" for this Field.
if label is not None:
label = smart_unicode(label)
self.required, self.label, self.initial = required, label, initial
self.help_text = smart_unicode(help_text or '')
widget = widget or self.widget
if isinstance(widget, type):
widget = widget()
# Hook into self.widget_attrs() for any Field-specific HTML attributes.
extra_attrs = self.widget_attrs(widget)
if extra_attrs:
widget.attrs.update(extra_attrs)
self.widget = widget
# Increase the creation counter, and save our local copy.
self.creation_counter = Field.creation_counter
Field.creation_counter += 1
def clean(self, value):
"""
Validates the given value and returns its "cleaned" value as an
appropriate Python object.
Raises ValidationError for any errors.
"""
if self.required and value in EMPTY_VALUES:
raise ValidationError(gettext(u'This field is required.'))
return value
def widget_attrs(self, widget):
"""
Given a Widget instance (*not* a Widget class), returns a dictionary of
any HTML attributes that should be added to the Widget, based on this
Field.
"""
return {}
class CharField(Field):
def __init__(self, max_length=None, min_length=None, *args, **kwargs):
self.max_length, self.min_length = max_length, min_length
super(CharField, self).__init__(*args, **kwargs)
def clean(self, value):
"Validates max_length and min_length. Returns a Unicode object."
super(CharField, self).clean(value)
if value in EMPTY_VALUES:
return u''
value = smart_unicode(value)
if self.max_length is not None and len(value) > self.max_length:
raise ValidationError(gettext(u'Ensure this value has at most %d characters.') % self.max_length)
if self.min_length is not None and len(value) < self.min_length:
raise ValidationError(gettext(u'Ensure this value has at least %d characters.') % self.min_length)
return value
def widget_attrs(self, widget):
if self.max_length is not None and isinstance(widget, (TextInput, PasswordInput)):
return {'maxlength': str(self.max_length)}
class IntegerField(Field):
def __init__(self, max_value=None, min_value=None, *args, **kwargs):
self.max_value, self.min_value = max_value, min_value
super(IntegerField, self).__init__(*args, **kwargs)
def clean(self, value):
"""
Validates that int() can be called on the input. Returns the result
of int(). Returns None for empty values.
"""
super(IntegerField, self).clean(value)
if value in EMPTY_VALUES:
return None
try:
value = int(value)
except (ValueError, TypeError):
raise ValidationError(gettext(u'Enter a whole number.'))
if self.max_value is not None and value > self.max_value:
raise ValidationError(gettext(u'Ensure this value is less than or equal to %s.') % self.max_value)
if self.min_value is not None and value < self.min_value:
raise ValidationError(gettext(u'Ensure this value is greater than or equal to %s.') % self.min_value)
return value
DEFAULT_DATE_INPUT_FORMATS = (
'%Y-%m-%d', '%m/%d/%Y', '%m/%d/%y', # '2006-10-25', '10/25/2006', '10/25/06'
'%b %d %Y', '%b %d, %Y', # 'Oct 25 2006', 'Oct 25, 2006'
'%d %b %Y', '%d %b, %Y', # '25 Oct 2006', '25 Oct, 2006'
'%B %d %Y', '%B %d, %Y', # 'October 25 2006', 'October 25, 2006'
'%d %B %Y', '%d %B, %Y', # '25 October 2006', '25 October, 2006'
)
class DateField(Field):
def __init__(self, input_formats=None, *args, **kwargs):
super(DateField, self).__init__(*args, **kwargs)
self.input_formats = input_formats or DEFAULT_DATE_INPUT_FORMATS
def clean(self, value):
"""
Validates that the input can be converted to a date. Returns a Python
datetime.date object.
"""
super(DateField, self).clean(value)
if value in EMPTY_VALUES:
return None
if isinstance(value, datetime.datetime):
return value.date()
if isinstance(value, datetime.date):
return value
for format in self.input_formats:
try:
return datetime.date(*time.strptime(value, format)[:3])
except ValueError:
continue
raise ValidationError(gettext(u'Enter a valid date.'))
DEFAULT_TIME_INPUT_FORMATS = (
'%H:%M:%S', # '14:30:59'
'%H:%M', # '14:30'
)
class TimeField(Field):
def __init__(self, input_formats=None, *args, **kwargs):
super(TimeField, self).__init__(*args, **kwargs)
self.input_formats = input_formats or DEFAULT_TIME_INPUT_FORMATS
def clean(self, value):
"""
Validates that the input can be converted to a time. Returns a Python
datetime.time object.
"""
super(TimeField, self).clean(value)
if value in EMPTY_VALUES:
return None
if isinstance(value, datetime.time):
return value
for format in self.input_formats:
try:
return datetime.time(*time.strptime(value, format)[3:6])
except ValueError:
continue
raise ValidationError(gettext(u'Enter a valid time.'))
DEFAULT_DATETIME_INPUT_FORMATS = (
'%Y-%m-%d %H:%M:%S', # '2006-10-25 14:30:59'
'%Y-%m-%d %H:%M', # '2006-10-25 14:30'
'%Y-%m-%d', # '2006-10-25'
'%m/%d/%Y %H:%M:%S', # '10/25/2006 14:30:59'
'%m/%d/%Y %H:%M', # '10/25/2006 14:30'
'%m/%d/%Y', # '10/25/2006'
'%m/%d/%y %H:%M:%S', # '10/25/06 14:30:59'
'%m/%d/%y %H:%M', # '10/25/06 14:30'
'%m/%d/%y', # '10/25/06'
)
class DateTimeField(Field):
def __init__(self, input_formats=None, *args, **kwargs):
super(DateTimeField, self).__init__(*args, **kwargs)
self.input_formats = input_formats or DEFAULT_DATETIME_INPUT_FORMATS
def clean(self, value):
"""
Validates that the input can be converted to a datetime. Returns a
Python datetime.datetime object.
"""
super(DateTimeField, self).clean(value)
if value in EMPTY_VALUES:
return None
if isinstance(value, datetime.datetime):
return value
if isinstance(value, datetime.date):
return datetime.datetime(value.year, value.month, value.day)
for format in self.input_formats:
try:
return datetime.datetime(*time.strptime(value, format)[:6])
except ValueError:
continue
raise ValidationError(gettext(u'Enter a valid date/time.'))
class RegexField(Field):
def __init__(self, regex, max_length=None, min_length=None, error_message=None, *args, **kwargs):
"""
regex can be either a string or a compiled regular expression object.
error_message is an optional error message to use, if
'Enter a valid value' is too generic for you.
"""
super(RegexField, self).__init__(*args, **kwargs)
if isinstance(regex, basestring):
regex = re.compile(regex)
self.regex = regex
self.max_length, self.min_length = max_length, min_length
self.error_message = error_message or gettext(u'Enter a valid value.')
def clean(self, value):
"""
Validates that the input matches the regular expression. Returns a
Unicode object.
"""
super(RegexField, self).clean(value)
if value in EMPTY_VALUES:
value = u''
value = smart_unicode(value)
if value == u'':
return value
if self.max_length is not None and len(value) > self.max_length:
raise ValidationError(gettext(u'Ensure this value has at most %d characters.') % self.max_length)
if self.min_length is not None and len(value) < self.min_length:
raise ValidationError(gettext(u'Ensure this value has at least %d characters.') % self.min_length)
if not self.regex.search(value):
raise ValidationError(self.error_message)
return value
email_re = re.compile(
r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*" # dot-atom
r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"' # quoted-string
r')@(?:[A-Z0-9-]+\.)+[A-Z]{2,6}$', re.IGNORECASE) # domain
class EmailField(RegexField):
def __init__(self, max_length=None, min_length=None, *args, **kwargs):
RegexField.__init__(self, email_re, max_length, min_length,
gettext(u'Enter a valid e-mail address.'), *args, **kwargs)
url_re = re.compile(
r'^https?://' # http:// or https://
r'(?:[A-Z0-9-]+\.)+[A-Z]{2,6}' # domain
r'(?::\d+)?' # optional port
r'(?:/?|/\S+)$', re.IGNORECASE)
try:
from django.conf import settings
URL_VALIDATOR_USER_AGENT = settings.URL_VALIDATOR_USER_AGENT
except ImportError:
# It's OK if Django settings aren't configured.
URL_VALIDATOR_USER_AGENT = 'Django (http://www.djangoproject.com/)'
class URLField(RegexField):
def __init__(self, max_length=None, min_length=None, verify_exists=False,
validator_user_agent=URL_VALIDATOR_USER_AGENT, *args, **kwargs):
super(URLField, self).__init__(url_re, max_length, min_length, gettext(u'Enter a valid URL.'), *args, **kwargs)
self.verify_exists = verify_exists
self.user_agent = validator_user_agent
def clean(self, value):
value = super(URLField, self).clean(value)
if value == u'':
return value
if self.verify_exists:
import urllib2
from django.conf import settings
headers = {
"Accept": "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5",
"Accept-Language": "en-us,en;q=0.5",
"Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.7",
"Connection": "close",
"User-Agent": self.user_agent,
}
try:
req = urllib2.Request(value, None, headers)
u = urllib2.urlopen(req)
except ValueError:
raise ValidationError(gettext(u'Enter a valid URL.'))
except: # urllib2.URLError, httplib.InvalidURL, etc.
raise ValidationError(gettext(u'This URL appears to be a broken link.'))
return value
class BooleanField(Field):
widget = CheckboxInput
def clean(self, value):
"Returns a Python boolean object."
super(BooleanField, self).clean(value)
return bool(value)
class NullBooleanField(BooleanField):
"""
A field whose valid values are None, True and False. Invalid values are
cleaned to None.
"""
widget = NullBooleanSelect
def clean(self, value):
return {True: True, False: False}.get(value, None)
class ChoiceField(Field):
def __init__(self, choices=(), required=True, widget=Select, label=None, initial=None, help_text=None):
super(ChoiceField, self).__init__(required, widget, label, initial, help_text)
self.choices = choices
def _get_choices(self):
return self._choices
def _set_choices(self, value):
# Setting choices also sets the choices on the widget.
# choices can be any iterable, but we call list() on it because
# it will be consumed more than once.
self._choices = self.widget.choices = list(value)
choices = property(_get_choices, _set_choices)
def clean(self, value):
"""
Validates that the input is in self.choices.
"""
value = super(ChoiceField, self).clean(value)
if value in EMPTY_VALUES:
value = u''
value = smart_unicode(value)
if value == u'':
return value
valid_values = set([str(k) for k, v in self.choices])
if value not in valid_values:
raise ValidationError(gettext(u'Select a valid choice. That choice is not one of the available choices.'))
return value
class MultipleChoiceField(ChoiceField):
hidden_widget = MultipleHiddenInput
def __init__(self, choices=(), required=True, widget=SelectMultiple, label=None, initial=None, help_text=None):
super(MultipleChoiceField, self).__init__(choices, required, widget, label, initial, help_text)
def clean(self, value):
"""
Validates that the input is a list or tuple.
"""
if self.required and not value:
raise ValidationError(gettext(u'This field is required.'))
elif not self.required and not value:
return []
if not isinstance(value, (list, tuple)):
raise ValidationError(gettext(u'Enter a list of values.'))
new_value = []
for val in value:
val = smart_unicode(val)
new_value.append(val)
# Validate that each value in the value list is in self.choices.
valid_values = set([smart_unicode(k) for k, v in self.choices])
for val in new_value:
if val not in valid_values:
raise ValidationError(gettext(u'Select a valid choice. %s is not one of the available choices.') % val)
return new_value
class ComboField(Field):
"""
A Field whose clean() method calls multiple Field clean() methods.
"""
def __init__(self, fields=(), *args, **kwargs):
super(ComboField, self).__init__(*args, **kwargs)
# Set 'required' to False on the individual fields, because the
# required validation will be handled by ComboField, not by those
# individual fields.
for f in fields:
f.required = False
self.fields = fields
def clean(self, value):
"""
Validates the given value against all of self.fields, which is a
list of Field instances.
"""
super(ComboField, self).clean(value)
for field in self.fields:
value = field.clean(value)
return value
class MultiValueField(Field):
"""
A Field that is composed of multiple Fields.
Its clean() method takes a "decompressed" list of values. Each value in
this list is cleaned by the corresponding field -- the first value is
cleaned by the first field, the second value is cleaned by the second
field, etc. Once all fields are cleaned, the list of clean values is
"compressed" into a single value.
Subclasses should implement compress(), which specifies how a list of
valid values should be converted to a single value. Subclasses should not
have to implement clean().
You'll probably want to use this with MultiWidget.
"""
def __init__(self, fields=(), *args, **kwargs):
super(MultiValueField, self).__init__(*args, **kwargs)
# Set 'required' to False on the individual fields, because the
# required validation will be handled by MultiValueField, not by those
# individual fields.
for f in fields:
f.required = False
self.fields = fields
def clean(self, value):
"""
Validates every value in the given list. A value is validated against
the corresponding Field in self.fields.
For example, if this MultiValueField was instantiated with
fields=(DateField(), TimeField()), clean() would call
DateField.clean(value[0]) and TimeField.clean(value[1]).
"""
clean_data = []
errors = ErrorList()
if self.required and not value:
raise ValidationError(gettext(u'This field is required.'))
elif not self.required and not value:
return self.compress([])
if not isinstance(value, (list, tuple)):
raise ValidationError(gettext(u'Enter a list of values.'))
for i, field in enumerate(self.fields):
try:
field_value = value[i]
except KeyError:
field_value = None
if self.required and field_value in EMPTY_VALUES:
raise ValidationError(gettext(u'This field is required.'))
try:
clean_data.append(field.clean(field_value))
except ValidationError, e:
# Collect all validation errors in a single list, which we'll
# raise at the end of clean(), rather than raising a single
# exception for the first error we encounter.
errors.extend(e.messages)
if errors:
raise ValidationError(errors)
return self.compress(clean_data)
def compress(self, data_list):
"""
Returns a single value for the given list of values. The values can be
assumed to be valid.
For example, if this MultiValueField was instantiated with
fields=(DateField(), TimeField()), this might return a datetime
object created by combining the date and time in data_list.
"""
raise NotImplementedError('Subclasses must implement this method.')
class SplitDateTimeField(MultiValueField):
def __init__(self, *args, **kwargs):
fields = (DateField(), TimeField())
super(SplitDateTimeField, self).__init__(fields, *args, **kwargs)
def compress(self, data_list):
if data_list:
return datetime.datetime.combine(*data_list)
return None

78
deluge/ui/webui/lib/newforms/util.py
View file

@ -1,78 +0,0 @@
from utils.html import escape
class settings(object):
DEFAULT_CHARSET = 'utf-8'
# Converts a dictionary to a single string with key="value", XML-style with
# a leading space. Assumes keys do not need to be XML-escaped.
flatatt = lambda attrs: u''.join([u' %s="%s"' % (k, escape(v)) for k, v in attrs.items()])
def smart_unicode(s):
if not isinstance(s, basestring):
if hasattr(s, '__unicode__'):
s = unicode(s)
else:
s = unicode(str(s), settings.DEFAULT_CHARSET)
elif not isinstance(s, unicode):
s = unicode(s, settings.DEFAULT_CHARSET)
return s
class StrAndUnicode(object):
"""
A class whose __str__ returns its __unicode__ as a bytestring
according to settings.DEFAULT_CHARSET.
Useful as a mix-in.
"""
def __str__(self):
return self.__unicode__().encode(settings.DEFAULT_CHARSET)
class ErrorDict(dict):
"""
A collection of errors that knows how to display itself in various formats.
The dictionary keys are the field names, and the values are the errors.
"""
def __str__(self):
return self.as_ul()
def as_ul(self):
if not self: return u''
return u'<ul class="errorlist">%s</ul>' % ''.join([u'<li>%s%s</li>' % (k, v) for k, v in self.items()])
def as_text(self):
return u'\n'.join([u'* %s\n%s' % (k, u'\n'.join([u' * %s' % i for i in v])) for k, v in self.items()])
class ErrorList(list):
"""
A collection of errors that knows how to display itself in various formats.
"""
def __str__(self):
return self.as_ul()
def as_ul(self):
if not self: return u''
return u'<ul class="errorlist">%s</ul>' % ''.join([u'<li>%s</li>' % e for e in self])
def as_text(self):
if not self: return u''
return u'\n'.join([u'* %s' % e for e in self])
class ValidationError(Exception):
def __init__(self, message):
"ValidationError can be passed a string or a list."
self.message = message
if isinstance(message, list):
self.messages = ErrorList([smart_unicode(msg) for msg in message])
else:
assert isinstance(message, basestring), ("%s should be a basestring" % repr(message))
message = smart_unicode(message)
self.messages = ErrorList([message])
def __str__(self):
# This is needed because, without a __str__(), printing an exception
# instance would result in this:
# AttributeError: ValidationError instance has no attribute 'args'
# See http://www.python.org/doc/current/tut/node10.html#handling
return repr(self.messages)

7
deluge/ui/webui/lib/newforms/utils/html.py
View file

@ -1,7 +0,0 @@
"HTML utilities suitable for global use."
def escape(html):
"Returns the given HTML with ampersands, quotes and carets encoded"
if not isinstance(html, basestring):
html = str(html)
return html.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;').replace('"', '&quot;').replace("'", '&#39;')

12
deluge/ui/webui/lib/newforms_plus.py
View file

@ -1,12 +1,14 @@
# -*- coding: utf-8 -*-
#
# Copyright (C) Martijn Voncken 2008 <mvoncken@gmail.com>
# Django Lisence, see ./newforms/LICENCE
# Django Licence, see ./newforms_portable/LICENCE
#
from newforms import *
import newforms
from newforms.forms import BoundField
from newforms_portable import *
import newforms_portable as newforms
from newforms_portable.forms import BoundField
from newforms_portable.util import ErrorList, escape
import sys, os
@ -83,7 +85,7 @@ class Form(FilteredForm):
def start_save(self):
"called by config_page"
data = web.Storage(self.clean_data)
data = web.Storage(self.cleaned_data)
self.validate(data)
self.save(data)
self.post_save()

0
deluge/ui/webui/lib/newforms/LICENSE → deluge/ui/webui/lib/newforms_portable/LICENSE
View file

2
deluge/ui/webui/lib/newforms/__init__.py → deluge/ui/webui/lib/newforms_portable/__init__.py
View file

@ -14,3 +14,5 @@ from util import ValidationError
from widgets import *
from fields import *
from forms import *
from models import *
import django

3
deluge/ui/webui/lib/newforms_portable/about.txt Normal file
View file

@ -0,0 +1,3 @@
based on django rev.7350
,/django/ contains the parts of django required to run newforms.

0
deluge/ui/webui/lib/newforms/utils/__init__.py → deluge/ui/webui/lib/newforms_portable/django/__init__.py
View file

0
deluge/ui/webui/lib/newforms_portable/django/core/__init__.py Normal file
View file

29
deluge/ui/webui/lib/newforms_portable/django/core/exceptions.py Normal file
View file

@ -0,0 +1,29 @@
"Global Django exceptions"
class ObjectDoesNotExist(Exception):
"The requested object does not exist"
silent_variable_failure = True
class MultipleObjectsReturned(Exception):
"The query returned multiple objects when only one was expected."
pass
class SuspiciousOperation(Exception):
"The user did something suspicious"
pass
class PermissionDenied(Exception):
"The user did not have permission to do that"
pass
class ViewDoesNotExist(Exception):
"The requested view does not exist"
pass
class MiddlewareNotUsed(Exception):
"This middleware is not used in this server configuration"
pass
class ImproperlyConfigured(Exception):
"Django is somehow improperly configured"
pass

0
deluge/ui/webui/lib/newforms_portable/django/utils/__init__.py Normal file
View file

213
deluge/ui/webui/lib/newforms/utils/datastructures.py → deluge/ui/webui/lib/newforms_portable/django/utils/datastructures.py
View file

@ -1,24 +1,24 @@
class MergeDict(object):
"""
A simple class for creating new "virtual" dictionaries that actualy look
A simple class for creating new "virtual" dictionaries that actually look
up values in more than one dictionary, passed in the constructor.
If a key appears in more than one of the given dictionaries, only the
first occurrence will be used.
"""
def __init__(self, *dicts):
self.dicts = dicts
def __getitem__(self, key):
for dict in self.dicts:
for dict_ in self.dicts:
try:
return dict[key]
return dict_[key]
except KeyError:
pass
raise KeyError
def __contains__(self, key):
return self.has_key(key)
def __copy__(self):
return self.__class__(*self.dicts)
def __copy__(self):
return self.__class__(*self.dicts)
def get(self, key, default=None):
try:
@ -27,84 +27,145 @@ class MergeDict(object):
return default
def getlist(self, key):
for dict in self.dicts:
try:
return dict.getlist(key)
except KeyError:
pass
raise KeyError
for dict_ in self.dicts:
if key in dict_.keys():
return dict_.getlist(key)
return []
def items(self):
item_list = []
for dict in self.dicts:
item_list.extend(dict.items())
for dict_ in self.dicts:
item_list.extend(dict_.items())
return item_list
def has_key(self, key):
for dict in self.dicts:
if dict.has_key(key):
for dict_ in self.dicts:
if key in dict_:
return True
return False
def copy(self):
""" returns a copy of this object"""
__contains__ = has_key
def copy(self):
"""Returns a copy of this object."""
return self.__copy__()
class SortedDict(dict):
"A dictionary that keeps its keys in the order in which they're inserted."
"""
A dictionary that keeps its keys in the order in which they're inserted.
"""
def __init__(self, data=None):
if data is None: data = {}
dict.__init__(self, data)
self.keyOrder = data.keys()
if data is None:
data = {}
super(SortedDict, self).__init__(data)
if isinstance(data, dict):
self.keyOrder = data.keys()
else:
self.keyOrder = []
for key, value in data:
if key not in self.keyOrder:
self.keyOrder.append(key)
def __deepcopy__(self, memo):
from copy import deepcopy
return self.__class__([(key, deepcopy(value, memo))
for key, value in self.iteritems()])
def __setitem__(self, key, value):
dict.__setitem__(self, key, value)
super(SortedDict, self).__setitem__(key, value)
if key not in self.keyOrder:
self.keyOrder.append(key)
def __delitem__(self, key):
dict.__delitem__(self, key)
super(SortedDict, self).__delitem__(key)
self.keyOrder.remove(key)
def __iter__(self):
for k in self.keyOrder:
yield k
def pop(self, k, *args):
result = super(SortedDict, self).pop(k, *args)
try:
self.keyOrder.remove(k)
except ValueError:
# Key wasn't in the dictionary in the first place. No problem.
pass
return result
def popitem(self):
result = super(SortedDict, self).popitem()
self.keyOrder.remove(result[0])
return result
def items(self):
return zip(self.keyOrder, self.values())
def iteritems(self):
for key in self.keyOrder:
yield key, super(SortedDict, self).__getitem__(key)
def keys(self):
return self.keyOrder[:]
def values(self):
return [dict.__getitem__(self, k) for k in self.keyOrder]
def iterkeys(self):
return iter(self.keyOrder)
def update(self, dict):
for k, v in dict.items():
def values(self):
return [super(SortedDict, self).__getitem__(k) for k in self.keyOrder]
def itervalues(self):
for key in self.keyOrder:
yield super(SortedDict, self).__getitem__(key)
def update(self, dict_):
for k, v in dict_.items():
self.__setitem__(k, v)
def setdefault(self, key, default):
if key not in self.keyOrder:
self.keyOrder.append(key)
return dict.setdefault(self, key, default)
return super(SortedDict, self).setdefault(key, default)
def value_for_index(self, index):
"Returns the value of the item at the given zero-based index."
"""Returns the value of the item at the given zero-based index."""
return self[self.keyOrder[index]]
def insert(self, index, key, value):
"""Inserts the key, value pair before the item with the given index."""
if key in self.keyOrder:
n = self.keyOrder.index(key)
del self.keyOrder[n]
if n < index:
index -= 1
self.keyOrder.insert(index, key)
super(SortedDict, self).__setitem__(key, value)
def copy(self):
"Returns a copy of this object."
"""Returns a copy of this object."""
# This way of initializing the copy means it works for subclasses, too.
obj = self.__class__(self)
obj.keyOrder = self.keyOrder
obj.keyOrder = self.keyOrder[:]
return obj
def __repr__(self):
"""
Replaces the normal dict.__repr__ with a version that returns the keys
in their sorted order.
"""
return '{%s}' % ', '.join(['%r: %r' % (k, v) for k, v in self.items()])
def clear(self):
super(SortedDict, self).clear()
self.keyOrder = []
class MultiValueDictKeyError(KeyError):
pass
class MultiValueDict(dict):
"""
A subclass of dictionary customized to handle multiple values for the same key.
A subclass of dictionary customized to handle multiple values for the
same key.
>>> d = MultiValueDict({'name': ['Adrian', 'Simon'], 'position': ['Developer']})
>>> d['name']
@ -120,10 +181,11 @@ class MultiValueDict(dict):
single name-value pairs.
"""
def __init__(self, key_to_list_mapping=()):
dict.__init__(self, key_to_list_mapping)
super(MultiValueDict, self).__init__(key_to_list_mapping)
def __repr__(self):
return "<MultiValueDict: %s>" % dict.__repr__(self)
return "<%s: %s>" % (self.__class__.__name__,
super(MultiValueDict, self).__repr__())
def __getitem__(self, key):
"""
@ -131,7 +193,7 @@ class MultiValueDict(dict):
raises KeyError if not found.
"""
try:
list_ = dict.__getitem__(self, key)
list_ = super(MultiValueDict, self).__getitem__(key)
except KeyError:
raise MultiValueDictKeyError, "Key %r not found in %r" % (key, self)
try:
@ -140,22 +202,27 @@ class MultiValueDict(dict):
return []
def __setitem__(self, key, value):
dict.__setitem__(self, key, [value])
super(MultiValueDict, self).__setitem__(key, [value])
def __copy__(self):
return self.__class__(dict.items(self))
return self.__class__(super(MultiValueDict, self).items())
def __deepcopy__(self, memo=None):
import copy
if memo is None: memo = {}
if memo is None:
memo = {}
result = self.__class__()
memo[id(self)] = result
for key, value in dict.items(self):
dict.__setitem__(result, copy.deepcopy(key, memo), copy.deepcopy(value, memo))
dict.__setitem__(result, copy.deepcopy(key, memo),
copy.deepcopy(value, memo))
return result
def get(self, key, default=None):
"Returns the default value if the requested data doesn't exist"
"""
Returns the last data value for the passed key. If key doesn't exist
or value is an empty list, then default is returned.
"""
try:
val = self[key]
except KeyError:
@ -165,14 +232,17 @@ class MultiValueDict(dict):
return val
def getlist(self, key):
"Returns an empty list if the requested data doesn't exist"
"""
Returns the list of values for the passed key. If key doesn't exist,
then an empty list is returned.
"""
try:
return dict.__getitem__(self, key)
return super(MultiValueDict, self).__getitem__(key)
except KeyError:
return []
def setlist(self, key, list_):
dict.__setitem__(self, key, list_)
super(MultiValueDict, self).__setitem__(key, list_)
def setdefault(self, key, default=None):
if key not in self:
@ -185,9 +255,9 @@ class MultiValueDict(dict):
return self.getlist(key)
def appendlist(self, key, value):
"Appends an item to the internal list associated with key"
"""Appends an item to the internal list associated with key."""
self.setlistdefault(key, [])
dict.__setitem__(self, key, self.getlist(key) + [value])
super(MultiValueDict, self).__setitem__(key, self.getlist(key) + [value])
def items(self):
"""
@ -197,21 +267,24 @@ class MultiValueDict(dict):
return [(key, self[key]) for key in self.keys()]
def lists(self):
"Returns a list of (key, list) pairs."
return dict.items(self)
"""Returns a list of (key, list) pairs."""
return super(MultiValueDict, self).items()
def values(self):
"Returns a list of the last value on every key list."
"""Returns a list of the last value on every key list."""
return [self[key] for key in self.keys()]
def copy(self):
"Returns a copy of this object."
"""Returns a copy of this object."""
return self.__deepcopy__()
def update(self, *args, **kwargs):
"update() extends rather than replaces existing key lists. Also accepts keyword args."
"""
update() extends rather than replaces existing key lists.
Also accepts keyword args.
"""
if len(args) > 1:
raise TypeError, "update expected at most 1 arguments, got %d", len(args)
raise TypeError, "update expected at most 1 arguments, got %d" % len(args)
if args:
other_dict = args[0]
if isinstance(other_dict, MultiValueDict):
@ -232,22 +305,20 @@ class DotExpandedDict(dict):
may contain dots to specify inner dictionaries. It's confusing, but this
example should make sense.
>>> d = DotExpandedDict({'person.1.firstname': ['Simon'],
'person.1.lastname': ['Willison'],
'person.2.firstname': ['Adrian'],
>>> d = DotExpandedDict({'person.1.firstname': ['Simon'], \
'person.1.lastname': ['Willison'], \
'person.2.firstname': ['Adrian'], \
'person.2.lastname': ['Holovaty']})
>>> d
{'person': {'1': {'lastname': ['Willison'], 'firstname': ['Simon']},
'2': {'lastname': ['Holovaty'], 'firstname': ['Adrian']}}}
{'person': {'1': {'lastname': ['Willison'], 'firstname': ['Simon']}, '2': {'lastname': ['Holovaty'], 'firstname': ['Adrian']}}}
>>> d['person']
{'1': {'firstname': ['Simon'], 'lastname': ['Willison'],
'2': {'firstname': ['Adrian'], 'lastname': ['Holovaty']}
{'1': {'lastname': ['Willison'], 'firstname': ['Simon']}, '2': {'lastname': ['Holovaty'], 'firstname': ['Adrian']}}
>>> d['person']['1']
{'firstname': ['Simon'], 'lastname': ['Willison']}
{'lastname': ['Willison'], 'firstname': ['Simon']}
# Gotcha: Results are unpredictable if the dots are "uneven":
>>> DotExpandedDict({'c.1': 2, 'c.2': 3, 'c': 1})
>>> {'c': 1}
{'c': 1}
"""
def __init__(self, key_to_list_mapping):
for k, v in key_to_list_mapping.items():
@ -259,4 +330,16 @@ class DotExpandedDict(dict):
try:
current[bits[-1]] = v
except TypeError: # Special-case if current isn't a dict.
current = {bits[-1] : v}
current = {bits[-1]: v}
class FileDict(dict):
"""
A dictionary used to hold uploaded file contents. The only special feature
here is that repr() of this object won't dump the entire contents of the
file to the output. A handy safeguard for a large file upload.
"""
def __repr__(self):
if 'content' in self:
d = dict(self, content='<omitted>')
return dict.__repr__(d)
return dict.__repr__(self)

102
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@ -0,0 +1,102 @@
import types
import urllib
import datetime
from functional import Promise
from safestring import SafeData, mark_safe
class DjangoUnicodeDecodeError(UnicodeDecodeError):
def __init__(self, obj, *args):
self.obj = obj
UnicodeDecodeError.__init__(self, *args)
def __str__(self):
original = UnicodeDecodeError.__str__(self)
return '%s. You passed in %r (%s)' % (original, self.obj,
type(self.obj))
class StrAndUnicode(object):
"""
A class whose __str__ returns its __unicode__ as a UTF-8 bytestring.
Useful as a mix-in.
"""
def __str__(self):
return self.__unicode__().encode('utf-8')
def smart_unicode(s, encoding='utf-8', strings_only=False, errors='strict'):
"""
Returns a unicode object representing 's'. Treats bytestrings using the
'encoding' codec.
If strings_only is True, don't convert (some) non-string-like objects.
"""
if isinstance(s, Promise):
# The input is the result of a gettext_lazy() call.
return s
return force_unicode(s, encoding, strings_only, errors)
def force_unicode(s, encoding='utf-8', strings_only=False, errors='strict'):
"""
Similar to smart_unicode, except that lazy instances are resolved to
strings, rather than kept as lazy objects.
If strings_only is True, don't convert (some) non-string-like objects.
"""
if strings_only and isinstance(s, (types.NoneType, int, long, datetime.datetime, datetime.date, datetime.time, float)):
return s
try:
if not isinstance(s, basestring,):
if hasattr(s, '__unicode__'):
s = unicode(s)
else:
s = unicode(str(s), encoding, errors)
elif not isinstance(s, unicode):
# Note: We use .decode() here, instead of unicode(s, encoding,
# errors), so that if s is a SafeString, it ends up being a
# SafeUnicode at the end.
s = s.decode(encoding, errors)
except UnicodeDecodeError, e:
raise DjangoUnicodeDecodeError(s, *e.args)
return s
def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'):
"""
Returns a bytestring version of 's', encoded as specified in 'encoding'.
If strings_only is True, don't convert (some) non-string-like objects.
"""
if strings_only and isinstance(s, (types.NoneType, int)):
return s
if isinstance(s, Promise):
return unicode(s).encode(encoding, errors)
elif not isinstance(s, basestring):
try:
return str(s)
except UnicodeEncodeError:
return unicode(s).encode(encoding, errors)
elif isinstance(s, unicode):
return s.encode(encoding, errors)
elif s and encoding != 'utf-8':
return s.decode('utf-8', errors).encode(encoding, errors)
else:
return s
def iri_to_uri(iri):
"""
Convert an Internationalized Resource Identifier (IRI) portion to a URI
portion that is suitable for inclusion in a URL.
This is the algorithm from section 3.1 of RFC 3987. However, since we are
assuming input is either UTF-8 or unicode already, we can simplify things a
little from the full method.
Returns an ASCII string containing the encoded result.
"""
# The list of safe characters here is constructed from the printable ASCII
# characters that are not explicitly excluded by the list at the end of
# section 3.1 of RFC 3987.
if iri is None:
return iri
return urllib.quote(smart_str(iri), safe='/#%[]=:;$&()+,!?*')

241
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@ -0,0 +1,241 @@
# License for code in this file that was taken from Python 2.5.
# PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
# --------------------------------------------
#
# 1. This LICENSE AGREEMENT is between the Python Software Foundation
# ("PSF"), and the Individual or Organization ("Licensee") accessing and
# otherwise using this software ("Python") in source or binary form and
# its associated documentation.
#
# 2. Subject to the terms and conditions of this License Agreement, PSF
# hereby grants Licensee a nonexclusive, royalty-free, world-wide
# license to reproduce, analyze, test, perform and/or display publicly,
# prepare derivative works, distribute, and otherwise use Python
# alone or in any derivative version, provided, however, that PSF's
# License Agreement and PSF's notice of copyright, i.e., "Copyright (c)
# 2001, 2002, 2003, 2004, 2005, 2006, 2007 Python Software Foundation;
# All Rights Reserved" are retained in Python alone or in any derivative
# version prepared by Licensee.
#
# 3. In the event Licensee prepares a derivative work that is based on
# or incorporates Python or any part thereof, and wants to make
# the derivative work available to others as provided herein, then
# Licensee hereby agrees to include in any such work a brief summary of
# the changes made to Python.
#
# 4. PSF is making Python available to Licensee on an "AS IS"
# basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
# IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
# DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
# FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
# INFRINGE ANY THIRD PARTY RIGHTS.
#
# 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
# FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
# A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
# OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
#
# 6. This License Agreement will automatically terminate upon a material
# breach of its terms and conditions.
#
# 7. Nothing in this License Agreement shall be deemed to create any
# relationship of agency, partnership, or joint venture between PSF and
# Licensee. This License Agreement does not grant permission to use PSF
# trademarks or trade name in a trademark sense to endorse or promote
# products or services of Licensee, or any third party.
#
# 8. By copying, installing or otherwise using Python, Licensee
# agrees to be bound by the terms and conditions of this License
# Agreement.
def curry(_curried_func, *args, **kwargs):
def _curried(*moreargs, **morekwargs):
return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs))
return _curried
### Begin from Python 2.5 functools.py ########################################
# Summary of changes made to the Python 2.5 code below:
# * swapped ``partial`` for ``curry`` to maintain backwards-compatibility
# in Django.
# * Wrapped the ``setattr`` call in ``update_wrapper`` with a try-except
# block to make it compatible with Python 2.3, which doesn't allow
# assigning to ``__name__``.
# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Python Software Foundation.
# All Rights Reserved.
###############################################################################
# update_wrapper() and wraps() are tools to help write
# wrapper functions that can handle naive introspection
WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__doc__')
WRAPPER_UPDATES = ('__dict__',)
def update_wrapper(wrapper,
wrapped,
assigned = WRAPPER_ASSIGNMENTS,
updated = WRAPPER_UPDATES):
"""Update a wrapper function to look like the wrapped function
wrapper is the function to be updated
wrapped is the original function
assigned is a tuple naming the attributes assigned directly
from the wrapped function to the wrapper function (defaults to
functools.WRAPPER_ASSIGNMENTS)
updated is a tuple naming the attributes off the wrapper that
are updated with the corresponding attribute from the wrapped
function (defaults to functools.WRAPPER_UPDATES)
"""
for attr in assigned:
try:
setattr(wrapper, attr, getattr(wrapped, attr))
except TypeError: # Python 2.3 doesn't allow assigning to __name__.
pass
for attr in updated:
getattr(wrapper, attr).update(getattr(wrapped, attr))
# Return the wrapper so this can be used as a decorator via curry()
return wrapper
def wraps(wrapped,
assigned = WRAPPER_ASSIGNMENTS,
updated = WRAPPER_UPDATES):
"""Decorator factory to apply update_wrapper() to a wrapper function
Returns a decorator that invokes update_wrapper() with the decorated
function as the wrapper argument and the arguments to wraps() as the
remaining arguments. Default arguments are as for update_wrapper().
This is a convenience function to simplify applying curry() to
update_wrapper().
"""
return curry(update_wrapper, wrapped=wrapped,
assigned=assigned, updated=updated)
### End from Python 2.5 functools.py ##########################################
def memoize(func, cache, num_args):
"""
Wrap a function so that results for any argument tuple are stored in
'cache'. Note that the args to the function must be usable as dictionary
keys.
Only the first num_args are considered when creating the key.
"""
def wrapper(*args):
mem_args = args[:num_args]
if mem_args in cache:
return cache[mem_args]
result = func(*args)
cache[mem_args] = result
return result
return wraps(func)(wrapper)
class Promise(object):
"""
This is just a base class for the proxy class created in
the closure of the lazy function. It can be used to recognize
promises in code.
"""
pass
def lazy(func, *resultclasses):
"""
Turns any callable into a lazy evaluated callable. You need to give result
classes or types -- at least one is needed so that the automatic forcing of
the lazy evaluation code is triggered. Results are not memoized; the
function is evaluated on every access.
"""
class __proxy__(Promise):
# This inner class encapsulates the code that should be evaluated
# lazily. On calling of one of the magic methods it will force
# the evaluation and store the result. Afterwards, the result
# is delivered directly. So the result is memoized.
def __init__(self, args, kw):
self.__func = func
self.__args = args
self.__kw = kw
self.__dispatch = {}
for resultclass in resultclasses:
self.__dispatch[resultclass] = {}
for (k, v) in resultclass.__dict__.items():
setattr(self, k, self.__promise__(resultclass, k, v))
self._delegate_str = str in resultclasses
self._delegate_unicode = unicode in resultclasses
assert not (self._delegate_str and self._delegate_unicode), "Cannot call lazy() with both str and unicode return types."
if self._delegate_unicode:
# Each call to lazy() makes a new __proxy__ object, so this
# doesn't interfere with any other lazy() results.
__proxy__.__unicode__ = __proxy__.__unicode_cast
elif self._delegate_str:
__proxy__.__str__ = __proxy__.__str_cast
def __promise__(self, klass, funcname, func):
# Builds a wrapper around some magic method and registers that magic
# method for the given type and method name.
def __wrapper__(*args, **kw):
# Automatically triggers the evaluation of a lazy value and
# applies the given magic method of the result type.
res = self.__func(*self.__args, **self.__kw)
return self.__dispatch[type(res)][funcname](res, *args, **kw)
if klass not in self.__dispatch:
self.__dispatch[klass] = {}
self.__dispatch[klass][funcname] = func
return __wrapper__
def __unicode_cast(self):
return self.__func(*self.__args, **self.__kw)
def __str_cast(self):
return str(self.__func(*self.__args, **self.__kw))
def __cmp__(self, rhs):
if self._delegate_str:
s = str(self.__func(*self.__args, **self.__kw))
elif self._delegate_unicode:
s = unicode(self.__func(*self.__args, **self.__kw))
else:
s = self.__func(*self.__args, **self.__kw)
if isinstance(rhs, Promise):
return -cmp(rhs, s)
else:
return cmp(s, rhs)
def __mod__(self, rhs):
if self._delegate_str:
return str(self) % rhs
elif self._delegate_unicode:
return unicode(self) % rhs
else:
raise AssertionError('__mod__ not supported for non-string types')
def __deepcopy__(self, memo):
# Instances of this class are effectively immutable. It's just a
# collection of functions. So we don't need to do anything
# complicated for copying.
memo[id(self)] = self
return self
def __wrapper__(*args, **kw):
# Creates the proxy object, instead of the actual value.
return __proxy__(args, kw)
return wraps(func)(__wrapper__)
def allow_lazy(func, *resultclasses):
"""
A decorator that allows a function to be called with one or more lazy
arguments. If none of the args are lazy, the function is evaluated
immediately, otherwise a __proxy__ is returned that will evaluate the
function when needed.
"""
def wrapper(*args, **kwargs):
for arg in list(args) + kwargs.values():
if isinstance(arg, Promise):
break
else:
return func(*args, **kwargs)
return lazy(func, *resultclasses)(*args, **kwargs)
return wraps(func)(wrapper)

163
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@ -0,0 +1,163 @@
"""HTML utilities suitable for global use."""
import re
import string
from safestring import SafeData, mark_safe
from encoding import force_unicode
from functional import allow_lazy
from http import urlquote
# Configuration for urlize() function.
LEADING_PUNCTUATION = ['(', '<', '&lt;']
TRAILING_PUNCTUATION = ['.', ',', ')', '>', '\n', '&gt;']
# List of possible strings used for bullets in bulleted lists.
DOTS = ['&middot;', '*', '\xe2\x80\xa2', '&#149;', '&bull;', '&#8226;']
unencoded_ampersands_re = re.compile(r'&(?!(\w+|#\d+);)')
word_split_re = re.compile(r'(\s+)')
punctuation_re = re.compile('^(?P<lead>(?:%s)*)(?P<middle>.*?)(?P<trail>(?:%s)*)$' % \
('|'.join([re.escape(x) for x in LEADING_PUNCTUATION]),
'|'.join([re.escape(x) for x in TRAILING_PUNCTUATION])))
simple_email_re = re.compile(r'^\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+$')
link_target_attribute_re = re.compile(r'(<a [^>]*?)target=[^\s>]+')
html_gunk_re = re.compile(r'(?:<br clear="all">|<i><\/i>|<b><\/b>|<em><\/em>|<strong><\/strong>|<\/?smallcaps>|<\/?uppercase>)', re.IGNORECASE)
hard_coded_bullets_re = re.compile(r'((?:<p>(?:%s).*?[a-zA-Z].*?</p>\s*)+)' % '|'.join([re.escape(x) for x in DOTS]), re.DOTALL)
trailing_empty_content_re = re.compile(r'(?:<p>(?:&nbsp;|\s|<br \/>)*?</p>\s*)+\Z')
del x # Temporary variable
def escape(html):
"""Returns the given HTML with ampersands, quotes and carets encoded."""
return mark_safe(force_unicode(html).replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;').replace('"', '&quot;').replace("'", '&#39;'))
escape = allow_lazy(escape, unicode)
def conditional_escape(html):
"""
Similar to escape(), except that it doesn't operate on pre-escaped strings.
"""
if isinstance(html, SafeData):
return html
else:
return escape(html)
def linebreaks(value, autoescape=False):
"""Converts newlines into <p> and <br />s."""
value = re.sub(r'\r\n|\r|\n', '\n', force_unicode(value)) # normalize newlines
paras = re.split('\n{2,}', value)
if autoescape:
paras = [u'<p>%s</p>' % escape(p.strip()).replace('\n', '<br />') for p in paras]
else:
paras = [u'<p>%s</p>' % p.strip().replace('\n', '<br />') for p in paras]
return u'\n\n'.join(paras)
linebreaks = allow_lazy(linebreaks, unicode)
def strip_tags(value):
"""Returns the given HTML with all tags stripped."""
return re.sub(r'<[^>]*?>', '', force_unicode(value))
strip_tags = allow_lazy(strip_tags)
def strip_spaces_between_tags(value):
"""Returns the given HTML with spaces between tags removed."""
return re.sub(r'>\s+<', '><', force_unicode(value))
strip_spaces_between_tags = allow_lazy(strip_spaces_between_tags, unicode)
def strip_entities(value):
"""Returns the given HTML with all entities (&something;) stripped."""
return re.sub(r'&(?:\w+|#\d+);', '', force_unicode(value))
strip_entities = allow_lazy(strip_entities, unicode)
def fix_ampersands(value):
"""Returns the given HTML with all unencoded ampersands encoded correctly."""
return unencoded_ampersands_re.sub('&amp;', force_unicode(value))
fix_ampersands = allow_lazy(fix_ampersands, unicode)
def urlize(text, trim_url_limit=None, nofollow=False, autoescape=False):
"""
Converts any URLs in text into clickable links.
Works on http://, https://, and www. links. Links can have trailing
punctuation (periods, commas, close-parens) and leading punctuation
(opening parens) and it'll still do the right thing.
If trim_url_limit is not None, the URLs in link text longer than this limit
will truncated to trim_url_limit-3 characters and appended with an elipsis.
If nofollow is True, the URLs in link text will get a rel="nofollow"
attribute.
"""
if autoescape:
trim_url = lambda x, limit=trim_url_limit: conditional_escape(limit is not None and (len(x) > limit and ('%s...' % x[:max(0, limit - 3)])) or x)
else:
trim_url = lambda x, limit=trim_url_limit: limit is not None and (len(x) > limit and ('%s...' % x[:max(0, limit - 3)])) or x
safe_input = isinstance(text, SafeData)
words = word_split_re.split(force_unicode(text))
nofollow_attr = nofollow and ' rel="nofollow"' or ''
for i, word in enumerate(words):
match = punctuation_re.match(word)
if match:
lead, middle, trail = match.groups()
if safe_input:
middle = mark_safe(middle)
if middle.startswith('www.') or ('@' not in middle and not middle.startswith('http://') and \
len(middle) > 0 and middle[0] in string.ascii_letters + string.digits and \
(middle.endswith('.org') or middle.endswith('.net') or middle.endswith('.com'))):
middle = 'http://%s' % middle
if middle.startswith('http://') or middle.startswith('https://'):
url = urlquote(middle, safe='/&=:;#?+*')
if autoescape and not safe_input:
url = escape(url)
trimmed_url = trim_url(middle)
middle = '<a href="%s"%s>%s</a>' % (url, nofollow_attr,
trimmed_url)
elif '@' in middle and not middle.startswith('www.') and \
not ':' in middle and simple_email_re.match(middle):
if autoescape:
middle = conditional_escape(middle)
middle = '<a href="mailto:%s">%s</a>' % (middle, middle)
if lead + middle + trail != word:
if autoescape and not safe_input:
lead, trail = escape(lead), escape(trail)
words[i] = mark_safe('%s%s%s' % (lead, middle, trail))
elif autoescape and not safe_input:
words[i] = escape(word)
elif safe_input:
words[i] = mark_safe(word)
elif autoescape:
words[i] = escape(word)
return u''.join(words)
urlize = allow_lazy(urlize, unicode)
def clean_html(text):
"""
Clean the given HTML. Specifically, do the following:
* Convert <b> and <i> to <strong> and <em>.
* Encode all ampersands correctly.
* Remove all "target" attributes from <a> tags.
* Remove extraneous HTML, such as presentational tags that open and
immediately close and <br clear="all">.
* Convert hard-coded bullets into HTML unordered lists.
* Remove stuff like "<p>&nbsp;&nbsp;</p>", but only if it's at the
bottom of the text.
"""
from django.utils.text import normalize_newlines
text = normalize_newlines(force_unicode(text))
text = re.sub(r'<(/?)\s*b\s*>', '<\\1strong>', text)
text = re.sub(r'<(/?)\s*i\s*>', '<\\1em>', text)
text = fix_ampersands(text)
# Remove all target="" attributes from <a> tags.
text = link_target_attribute_re.sub('\\1', text)
# Trim stupid HTML such as <br clear="all">.
text = html_gunk_re.sub('', text)
# Convert hard-coded bullets into HTML unordered lists.
def replace_p_tags(match):
s = match.group().replace('</p>', '</li>')
for d in DOTS:
s = s.replace('<p>%s' % d, '<li>')
return u'<ul>\n%s\n</ul>' % s
text = hard_coded_bullets_re.sub(replace_p_tags, text)
# Remove stuff like "<p>&nbsp;&nbsp;</p>", but only if it's at the bottom
# of the text.
text = trailing_empty_content_re.sub('', text)
return text
clean_html = allow_lazy(clean_html, unicode)

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import urllib
from email.Utils import formatdate
from encoding import smart_str, force_unicode
from functional import allow_lazy
def urlquote(url, safe='/'):
"""
A version of Python's urllib.quote() function that can operate on unicode
strings. The url is first UTF-8 encoded before quoting. The returned string
can safely be used as part of an argument to a subsequent iri_to_uri() call
without double-quoting occurring.
"""
return force_unicode(urllib.quote(smart_str(url), safe))
urlquote = allow_lazy(urlquote, unicode)
def urlquote_plus(url, safe=''):
"""
A version of Python's urllib.quote_plus() function that can operate on
unicode strings. The url is first UTF-8 encoded before quoting. The
returned string can safely be used as part of an argument to a subsequent
iri_to_uri() call without double-quoting occurring.
"""
return force_unicode(urllib.quote_plus(smart_str(url), safe))
urlquote_plus = allow_lazy(urlquote_plus, unicode)
def urlencode(query, doseq=0):
"""
A version of Python's urllib.urlencode() function that can operate on
unicode strings. The parameters are first case to UTF-8 encoded strings and
then encoded as per normal.
"""
if hasattr(query, 'items'):
query = query.items()
return urllib.urlencode(
[(smart_str(k),
isinstance(v, (list,tuple)) and [smart_str(i) for i in v] or smart_str(v))
for k, v in query],
doseq)
def cookie_date(epoch_seconds=None):
"""
Formats the time to ensure compatibility with Netscape's cookie standard.
Accepts a floating point number expressed in seconds since the epoch, in
UTC - such as that outputted by time.time(). If set to None, defaults to
the current time.
Outputs a string in the format 'Wdy, DD-Mon-YYYY HH:MM:SS GMT'.
"""
rfcdate = formatdate(epoch_seconds)
return '%s-%s-%s GMT' % (rfcdate[:7], rfcdate[8:11], rfcdate[12:25])
def http_date(epoch_seconds=None):
"""
Formats the time to match the RFC1123 date format as specified by HTTP
RFC2616 section 3.3.1.
Accepts a floating point number expressed in seconds since the epoch, in
UTC - such as that outputted by time.time(). If set to None, defaults to
the current time.
Outputs a string in the format 'Wdy, DD Mon YYYY HH:MM:SS GMT'.
"""
rfcdate = formatdate(epoch_seconds)
return '%s GMT' % rfcdate[:25]

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"""
Functions for working with "safe strings": strings that can be displayed safely
without further escaping in HTML. Marking something as a "safe string" means
that the producer of the string has already turned characters that should not
be interpreted by the HTML engine (e.g. '<') into the appropriate entities.
"""
from functional import curry, Promise
class EscapeData(object):
pass
class EscapeString(str, EscapeData):
"""
A string that should be HTML-escaped when output.
"""
pass
class EscapeUnicode(unicode, EscapeData):
"""
A unicode object that should be HTML-escaped when output.
"""
pass
class SafeData(object):
pass
class SafeString(str, SafeData):
"""
A string subclass that has been specifically marked as "safe" (requires no
further escaping) for HTML output purposes.
"""
def __add__(self, rhs):
"""
Concatenating a safe string with another safe string or safe unicode
object is safe. Otherwise, the result is no longer safe.
"""
t = super(SafeString, self).__add__(rhs)
if isinstance(rhs, SafeUnicode):
return SafeUnicode(t)
elif isinstance(rhs, SafeString):
return SafeString(t)
return t
def _proxy_method(self, *args, **kwargs):
"""
Wrap a call to a normal unicode method up so that we return safe
results. The method that is being wrapped is passed in the 'method'
argument.
"""
method = kwargs.pop('method')
data = method(self, *args, **kwargs)
if isinstance(data, str):
return SafeString(data)
else:
return SafeUnicode(data)
decode = curry(_proxy_method, method = str.decode)
class SafeUnicode(unicode, SafeData):
"""
A unicode subclass that has been specifically marked as "safe" for HTML
output purposes.
"""
def __add__(self, rhs):
"""
Concatenating a safe unicode object with another safe string or safe
unicode object is safe. Otherwise, the result is no longer safe.
"""
t = super(SafeUnicode, self).__add__(rhs)
if isinstance(rhs, SafeData):
return SafeUnicode(t)
return t
def _proxy_method(self, *args, **kwargs):
"""
Wrap a call to a normal unicode method up so that we return safe
results. The method that is being wrapped is passed in the 'method'
argument.
"""
method = kwargs.pop('method')
data = method(self, *args, **kwargs)
if isinstance(data, str):
return SafeString(data)
else:
return SafeUnicode(data)
encode = curry(_proxy_method, method = unicode.encode)
def mark_safe(s):
"""
Explicitly mark a string as safe for (HTML) output purposes. The returned
object can be used everywhere a string or unicode object is appropriate.
Can be called multiple times on a single string.
"""
if isinstance(s, SafeData):
return s
if isinstance(s, str) or (isinstance(s, Promise) and s._delegate_str):
return SafeString(s)
if isinstance(s, (unicode, Promise)):
return SafeUnicode(s)
return SafeString(str(s))
def mark_for_escaping(s):
"""
Explicitly mark a string as requiring HTML escaping upon output. Has no
effect on SafeData subclasses.
Can be called multiple times on a single string (the resulting escaping is
only applied once).
"""
if isinstance(s, (SafeData, EscapeData)):
return s
if isinstance(s, str) or (isinstance(s, Promise) and s._delegate_str):
return EscapeString(s)
if isinstance(s, (unicode, Promise)):
return EscapeUnicode(s)
return EscapeString(str(s))

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try:
_('translate something')
except:
import gettext
gettext.install('locale')
ugettext = _
ugettext_lazy = _

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"""
Field classes.
"""
import copy
import datetime
import os
import re
import time
# Python 2.3 fallbacks
try:
from decimal import Decimal, DecimalException
except ImportError:
from django.utils._decimal import Decimal, DecimalException
try:
set
except NameError:
from sets import Set as set
from django.utils.translation import ugettext_lazy as _
from django.utils.encoding import StrAndUnicode, smart_unicode, smart_str
from util import ErrorList, ValidationError
from widgets import TextInput, PasswordInput, HiddenInput, MultipleHiddenInput, FileInput, CheckboxInput, Select, NullBooleanSelect, SelectMultiple, DateTimeInput
__all__ = (
'Field', 'CharField', 'IntegerField',
'DEFAULT_DATE_INPUT_FORMATS', 'DateField',
'DEFAULT_TIME_INPUT_FORMATS', 'TimeField',
'DEFAULT_DATETIME_INPUT_FORMATS', 'DateTimeField',
'RegexField', 'EmailField', 'FileField', 'ImageField', 'URLField',
'BooleanField', 'NullBooleanField', 'ChoiceField', 'MultipleChoiceField',
'ComboField', 'MultiValueField', 'FloatField', 'DecimalField',
'SplitDateTimeField', 'IPAddressField', 'FilePathField',
)
# These values, if given to to_python(), will trigger the self.required check.
EMPTY_VALUES = (None, '')
class Field(object):
widget = TextInput # Default widget to use when rendering this type of Field.
hidden_widget = HiddenInput # Default widget to use when rendering this as "hidden".
default_error_messages = {
'required': _(u'This field is required.'),
'invalid': _(u'Enter a valid value.'),
}
# Tracks each time a Field instance is created. Used to retain order.
creation_counter = 0
def __init__(self, required=True, widget=None, label=None, initial=None,
help_text=None, error_messages=None):
# required -- Boolean that specifies whether the field is required.
# True by default.
# widget -- A Widget class, or instance of a Widget class, that should
# be used for this Field when displaying it. Each Field has a
# default Widget that it'll use if you don't specify this. In
# most cases, the default widget is TextInput.
# label -- A verbose name for this field, for use in displaying this
# field in a form. By default, Django will use a "pretty"
# version of the form field name, if the Field is part of a
# Form.
# initial -- A value to use in this Field's initial display. This value
# is *not* used as a fallback if data isn't given.
# help_text -- An optional string to use as "help text" for this Field.
if label is not None:
label = smart_unicode(label)
self.required, self.label, self.initial = required, label, initial
self.help_text = smart_unicode(help_text or '')
widget = widget or self.widget
if isinstance(widget, type):
widget = widget()
# Hook into self.widget_attrs() for any Field-specific HTML attributes.
extra_attrs = self.widget_attrs(widget)
if extra_attrs:
widget.attrs.update(extra_attrs)
self.widget = widget
# Increase the creation counter, and save our local copy.
self.creation_counter = Field.creation_counter
Field.creation_counter += 1
def set_class_error_messages(messages, klass):
for base_class in klass.__bases__:
set_class_error_messages(messages, base_class)
messages.update(getattr(klass, 'default_error_messages', {}))
messages = {}
set_class_error_messages(messages, self.__class__)
messages.update(error_messages or {})
self.error_messages = messages
def clean(self, value):
"""
Validates the given value and returns its "cleaned" value as an
appropriate Python object.
Raises ValidationError for any errors.
"""
if self.required and value in EMPTY_VALUES:
raise ValidationError(self.error_messages['required'])
return value
def widget_attrs(self, widget):
"""
Given a Widget instance (*not* a Widget class), returns a dictionary of
any HTML attributes that should be added to the Widget, based on this
Field.
"""
return {}
def __deepcopy__(self, memo):
result = copy.copy(self)
memo[id(self)] = result
result.widget = copy.deepcopy(self.widget, memo)
return result
class CharField(Field):
default_error_messages = {
'max_length': _(u'Ensure this value has at most %(max)d characters (it has %(length)d).'),
'min_length': _(u'Ensure this value has at least %(min)d characters (it has %(length)d).'),
}
def __init__(self, max_length=None, min_length=None, *args, **kwargs):
self.max_length, self.min_length = max_length, min_length
super(CharField, self).__init__(*args, **kwargs)
def clean(self, value):
"Validates max_length and min_length. Returns a Unicode object."
super(CharField, self).clean(value)
if value in EMPTY_VALUES:
return u''
value = smart_unicode(value)
value_length = len(value)
if self.max_length is not None and value_length > self.max_length:
raise ValidationError(self.error_messages['max_length'] % {'max': self.max_length, 'length': value_length})
if self.min_length is not None and value_length < self.min_length:
raise ValidationError(self.error_messages['min_length'] % {'min': self.min_length, 'length': value_length})
return value
def widget_attrs(self, widget):
if self.max_length is not None and isinstance(widget, (TextInput, PasswordInput)):
# The HTML attribute is maxlength, not max_length.
return {'maxlength': str(self.max_length)}
class IntegerField(Field):
default_error_messages = {
'invalid': _(u'Enter a whole number.'),
'max_value': _(u'Ensure this value is less than or equal to %s.'),
'min_value': _(u'Ensure this value is greater than or equal to %s.'),
}
def __init__(self, max_value=None, min_value=None, *args, **kwargs):
self.max_value, self.min_value = max_value, min_value
super(IntegerField, self).__init__(*args, **kwargs)
def clean(self, value):
"""
Validates that int() can be called on the input. Returns the result
of int(). Returns None for empty values.
"""
super(IntegerField, self).clean(value)
if value in EMPTY_VALUES:
return None
try:
value = int(str(value))
except (ValueError, TypeError):
raise ValidationError(self.error_messages['invalid'])
if self.max_value is not None and value > self.max_value:
raise ValidationError(self.error_messages['max_value'] % self.max_value)
if self.min_value is not None and value < self.min_value:
raise ValidationError(self.error_messages['min_value'] % self.min_value)
return value
class FloatField(Field):
default_error_messages = {
'invalid': _(u'Enter a number.'),
'max_value': _(u'Ensure this value is less than or equal to %s.'),
'min_value': _(u'Ensure this value is greater than or equal to %s.'),
}
def __init__(self, max_value=None, min_value=None, *args, **kwargs):
self.max_value, self.min_value = max_value, min_value
Field.__init__(self, *args, **kwargs)
def clean(self, value):
"""
Validates that float() can be called on the input. Returns a float.
Returns None for empty values.
"""
super(FloatField, self).clean(value)
if not self.required and value in EMPTY_VALUES:
return None
try:
value = float(value)
except (ValueError, TypeError):
raise ValidationError(self.error_messages['invalid'])
if self.max_value is not None and value > self.max_value:
raise ValidationError(self.error_messages['max_value'] % self.max_value)
if self.min_value is not None and value < self.min_value:
raise ValidationError(self.error_messages['min_value'] % self.min_value)
return value
class DecimalField(Field):
default_error_messages = {
'invalid': _(u'Enter a number.'),
'max_value': _(u'Ensure this value is less than or equal to %s.'),
'min_value': _(u'Ensure this value is greater than or equal to %s.'),
'max_digits': _('Ensure that there are no more than %s digits in total.'),
'max_decimal_places': _('Ensure that there are no more than %s decimal places.'),
'max_whole_digits': _('Ensure that there are no more than %s digits before the decimal point.')
}
def __init__(self, max_value=None, min_value=None, max_digits=None, decimal_places=None, *args, **kwargs):
self.max_value, self.min_value = max_value, min_value
self.max_digits, self.decimal_places = max_digits, decimal_places
Field.__init__(self, *args, **kwargs)
def clean(self, value):
"""
Validates that the input is a decimal number. Returns a Decimal
instance. Returns None for empty values. Ensures that there are no more
than max_digits in the number, and no more than decimal_places digits
after the decimal point.
"""
super(DecimalField, self).clean(value)
if not self.required and value in EMPTY_VALUES:
return None
value = smart_str(value).strip()
try:
value = Decimal(value)
except DecimalException:
raise ValidationError(self.error_messages['invalid'])
pieces = str(value).lstrip("-").split('.')
decimals = (len(pieces) == 2) and len(pieces[1]) or 0
digits = len(pieces[0])
if self.max_value is not None and value > self.max_value:
raise ValidationError(self.error_messages['max_value'] % self.max_value)
if self.min_value is not None and value < self.min_value:
raise ValidationError(self.error_messages['min_value'] % self.min_value)
if self.max_digits is not None and (digits + decimals) > self.max_digits:
raise ValidationError(self.error_messages['max_digits'] % self.max_digits)
if self.decimal_places is not None and decimals > self.decimal_places:
raise ValidationError(self.error_messages['max_decimal_places'] % self.decimal_places)
if self.max_digits is not None and self.decimal_places is not None and digits > (self.max_digits - self.decimal_places):
raise ValidationError(self.error_messages['max_whole_digits'] % (self.max_digits - self.decimal_places))
return value
DEFAULT_DATE_INPUT_FORMATS = (
'%Y-%m-%d', '%m/%d/%Y', '%m/%d/%y', # '2006-10-25', '10/25/2006', '10/25/06'
'%b %d %Y', '%b %d, %Y', # 'Oct 25 2006', 'Oct 25, 2006'
'%d %b %Y', '%d %b, %Y', # '25 Oct 2006', '25 Oct, 2006'
'%B %d %Y', '%B %d, %Y', # 'October 25 2006', 'October 25, 2006'
'%d %B %Y', '%d %B, %Y', # '25 October 2006', '25 October, 2006'
)
class DateField(Field):
default_error_messages = {
'invalid': _(u'Enter a valid date.'),
}
def __init__(self, input_formats=None, *args, **kwargs):
super(DateField, self).__init__(*args, **kwargs)
self.input_formats = input_formats or DEFAULT_DATE_INPUT_FORMATS
def clean(self, value):
"""
Validates that the input can be converted to a date. Returns a Python
datetime.date object.
"""
super(DateField, self).clean(value)
if value in EMPTY_VALUES:
return None
if isinstance(value, datetime.datetime):
return value.date()
if isinstance(value, datetime.date):
return value
for format in self.input_formats:
try:
return datetime.date(*time.strptime(value, format)[:3])
except ValueError:
continue
raise ValidationError(self.error_messages['invalid'])
DEFAULT_TIME_INPUT_FORMATS = (
'%H:%M:%S', # '14:30:59'
'%H:%M', # '14:30'
)
class TimeField(Field):
default_error_messages = {
'invalid': _(u'Enter a valid time.')
}
def __init__(self, input_formats=None, *args, **kwargs):
super(TimeField, self).__init__(*args, **kwargs)
self.input_formats = input_formats or DEFAULT_TIME_INPUT_FORMATS
def clean(self, value):
"""
Validates that the input can be converted to a time. Returns a Python
datetime.time object.
"""
super(TimeField, self).clean(value)
if value in EMPTY_VALUES:
return None
if isinstance(value, datetime.time):
return value
for format in self.input_formats:
try:
return datetime.time(*time.strptime(value, format)[3:6])
except ValueError:
continue
raise ValidationError(self.error_messages['invalid'])
DEFAULT_DATETIME_INPUT_FORMATS = (
'%Y-%m-%d %H:%M:%S', # '2006-10-25 14:30:59'
'%Y-%m-%d %H:%M', # '2006-10-25 14:30'
'%Y-%m-%d', # '2006-10-25'
'%m/%d/%Y %H:%M:%S', # '10/25/2006 14:30:59'
'%m/%d/%Y %H:%M', # '10/25/2006 14:30'
'%m/%d/%Y', # '10/25/2006'
'%m/%d/%y %H:%M:%S', # '10/25/06 14:30:59'
'%m/%d/%y %H:%M', # '10/25/06 14:30'
'%m/%d/%y', # '10/25/06'
)
class DateTimeField(Field):
widget = DateTimeInput
default_error_messages = {
'invalid': _(u'Enter a valid date/time.'),
}
def __init__(self, input_formats=None, *args, **kwargs):
super(DateTimeField, self).__init__(*args, **kwargs)
self.input_formats = input_formats or DEFAULT_DATETIME_INPUT_FORMATS
def clean(self, value):
"""
Validates that the input can be converted to a datetime. Returns a
Python datetime.datetime object.
"""
super(DateTimeField, self).clean(value)
if value in EMPTY_VALUES:
return None
if isinstance(value, datetime.datetime):
return value
if isinstance(value, datetime.date):
return datetime.datetime(value.year, value.month, value.day)
if isinstance(value, list):
# Input comes from a SplitDateTimeWidget, for example. So, it's two
# components: date and time.
if len(value) != 2:
raise ValidationError(self.error_messages['invalid'])
value = '%s %s' % tuple(value)
for format in self.input_formats:
try:
return datetime.datetime(*time.strptime(value, format)[:6])
except ValueError:
continue
raise ValidationError(self.error_messages['invalid'])
class RegexField(CharField):
def __init__(self, regex, max_length=None, min_length=None, error_message=None, *args, **kwargs):
"""
regex can be either a string or a compiled regular expression object.
error_message is an optional error message to use, if
'Enter a valid value' is too generic for you.
"""
# error_message is just kept for backwards compatibility:
if error_message:
error_messages = kwargs.get('error_messages') or {}
error_messages['invalid'] = error_message
kwargs['error_messages'] = error_messages
super(RegexField, self).__init__(max_length, min_length, *args, **kwargs)
if isinstance(regex, basestring):
regex = re.compile(regex)
self.regex = regex
def clean(self, value):
"""
Validates that the input matches the regular expression. Returns a
Unicode object.
"""
value = super(RegexField, self).clean(value)
if value == u'':
return value
if not self.regex.search(value):
raise ValidationError(self.error_messages['invalid'])
return value
email_re = re.compile(
r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*" # dot-atom
r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"' # quoted-string
r')@(?:[A-Z0-9-]+\.)+[A-Z]{2,6}$', re.IGNORECASE) # domain
class EmailField(RegexField):
default_error_messages = {
'invalid': _(u'Enter a valid e-mail address.'),
}
def __init__(self, max_length=None, min_length=None, *args, **kwargs):
RegexField.__init__(self, email_re, max_length, min_length, *args,
**kwargs)
try:
from django.conf import settings
URL_VALIDATOR_USER_AGENT = settings.URL_VALIDATOR_USER_AGENT
except ImportError:
# It's OK if Django settings aren't configured.
URL_VALIDATOR_USER_AGENT = 'Django (http://www.djangoproject.com/)'
class UploadedFile(StrAndUnicode):
"A wrapper for files uploaded in a FileField"
def __init__(self, filename, content):
self.filename = filename
self.content = content
def __unicode__(self):
"""
The unicode representation is the filename, so that the pre-database-insertion
logic can use UploadedFile objects
"""
return self.filename
class FileField(Field):
widget = FileInput
default_error_messages = {
'invalid': _(u"No file was submitted. Check the encoding type on the form."),
'missing': _(u"No file was submitted."),
'empty': _(u"The submitted file is empty."),
}
def __init__(self, *args, **kwargs):
super(FileField, self).__init__(*args, **kwargs)
def clean(self, data, initial=None):
super(FileField, self).clean(initial or data)
if not self.required and data in EMPTY_VALUES:
return None
elif not data and initial:
return initial
try:
f = UploadedFile(data['filename'], data['content'])
except TypeError:
raise ValidationError(self.error_messages['invalid'])
except KeyError:
raise ValidationError(self.error_messages['missing'])
if not f.content:
raise ValidationError(self.error_messages['empty'])
return f
class ImageField(FileField):
default_error_messages = {
'invalid_image': _(u"Upload a valid image. The file you uploaded was either not an image or a corrupted image."),
}
def clean(self, data, initial=None):
"""
Checks that the file-upload field data contains a valid image (GIF, JPG,
PNG, possibly others -- whatever the Python Imaging Library supports).
"""
f = super(ImageField, self).clean(data, initial)
if f is None:
return None
elif not data and initial:
return initial
from PIL import Image
from cStringIO import StringIO
try:
# load() is the only method that can spot a truncated JPEG,
# but it cannot be called sanely after verify()
trial_image = Image.open(StringIO(f.content))
trial_image.load()
# verify() is the only method that can spot a corrupt PNG,
# but it must be called immediately after the constructor
trial_image = Image.open(StringIO(f.content))
trial_image.verify()
except Exception: # Python Imaging Library doesn't recognize it as an image
raise ValidationError(self.error_messages['invalid_image'])
return f
url_re = re.compile(
r'^https?://' # http:// or https://
r'(?:(?:[A-Z0-9-]+\.)+[A-Z]{2,6}|' #domain...
r'localhost|' #localhost...
r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip
r'(?::\d+)?' # optional port
r'(?:/?|/\S+)$', re.IGNORECASE)
class URLField(RegexField):
default_error_messages = {
'invalid': _(u'Enter a valid URL.'),
'invalid_link': _(u'This URL appears to be a broken link.'),
}
def __init__(self, max_length=None, min_length=None, verify_exists=False,
validator_user_agent=URL_VALIDATOR_USER_AGENT, *args, **kwargs):
super(URLField, self).__init__(url_re, max_length, min_length, *args,
**kwargs)
self.verify_exists = verify_exists
self.user_agent = validator_user_agent
def clean(self, value):
# If no URL scheme given, assume http://
if value and '://' not in value:
value = u'http://%s' % value
value = super(URLField, self).clean(value)
if value == u'':
return value
if self.verify_exists:
import urllib2
from django.conf import settings
headers = {
"Accept": "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5",
"Accept-Language": "en-us,en;q=0.5",
"Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.7",
"Connection": "close",
"User-Agent": self.user_agent,
}
try:
req = urllib2.Request(value, None, headers)
u = urllib2.urlopen(req)
except ValueError:
raise ValidationError(self.error_messages['invalid'])
except: # urllib2.URLError, httplib.InvalidURL, etc.
raise ValidationError(self.error_messages['invalid_link'])
return value
class BooleanField(Field):
widget = CheckboxInput
def clean(self, value):
"""Returns a Python boolean object."""
super(BooleanField, self).clean(value)
# Explicitly check for the string 'False', which is what a hidden field
# will submit for False. Because bool("True") == True, we don't need to
# handle that explicitly.
if value == 'False':
return False
return bool(value)
class NullBooleanField(BooleanField):
"""
A field whose valid values are None, True and False. Invalid values are
cleaned to None.
"""
widget = NullBooleanSelect
def clean(self, value):
return {True: True, False: False}.get(value, None)
class ChoiceField(Field):
widget = Select
default_error_messages = {
'invalid_choice': _(u'Select a valid choice. That choice is not one of the available choices.'),
}
def __init__(self, choices=(), required=True, widget=None, label=None,
initial=None, help_text=None, *args, **kwargs):
super(ChoiceField, self).__init__(required, widget, label, initial,
help_text, *args, **kwargs)
self.choices = choices
def _get_choices(self):
return self._choices
def _set_choices(self, value):
# Setting choices also sets the choices on the widget.
# choices can be any iterable, but we call list() on it because
# it will be consumed more than once.
self._choices = self.widget.choices = list(value)
choices = property(_get_choices, _set_choices)
def clean(self, value):
"""
Validates that the input is in self.choices.
"""
value = super(ChoiceField, self).clean(value)
if value in EMPTY_VALUES:
value = u''
value = smart_unicode(value)
if value == u'':
return value
valid_values = set([smart_unicode(k) for k, v in self.choices])
if value not in valid_values:
raise ValidationError(self.error_messages['invalid_choice'] % {'value': value})
return value
class MultipleChoiceField(ChoiceField):
hidden_widget = MultipleHiddenInput
widget = SelectMultiple
default_error_messages = {
'invalid_choice': _(u'Select a valid choice. %(value)s is not one of the available choices.'),
'invalid_list': _(u'Enter a list of values.'),
}
def clean(self, value):
"""
Validates that the input is a list or tuple.
"""
if self.required and not value:
raise ValidationError(self.error_messages['required'])
elif not self.required and not value:
return []
if not isinstance(value, (list, tuple)):
raise ValidationError(self.error_messages['invalid_list'])
new_value = [smart_unicode(val) for val in value]
# Validate that each value in the value list is in self.choices.
valid_values = set([smart_unicode(k) for k, v in self.choices])
for val in new_value:
if val not in valid_values:
raise ValidationError(self.error_messages['invalid_choice'] % {'value': val})
return new_value
class ComboField(Field):
"""
A Field whose clean() method calls multiple Field clean() methods.
"""
def __init__(self, fields=(), *args, **kwargs):
super(ComboField, self).__init__(*args, **kwargs)
# Set 'required' to False on the individual fields, because the
# required validation will be handled by ComboField, not by those
# individual fields.
for f in fields:
f.required = False
self.fields = fields
def clean(self, value):
"""
Validates the given value against all of self.fields, which is a
list of Field instances.
"""
super(ComboField, self).clean(value)
for field in self.fields:
value = field.clean(value)
return value
class MultiValueField(Field):
"""
A Field that aggregates the logic of multiple Fields.
Its clean() method takes a "decompressed" list of values, which are then
cleaned into a single value according to self.fields. Each value in
this list is cleaned by the corresponding field -- the first value is
cleaned by the first field, the second value is cleaned by the second
field, etc. Once all fields are cleaned, the list of clean values is
"compressed" into a single value.
Subclasses should not have to implement clean(). Instead, they must
implement compress(), which takes a list of valid values and returns a
"compressed" version of those values -- a single value.
You'll probably want to use this with MultiWidget.
"""
default_error_messages = {
'invalid': _(u'Enter a list of values.'),
}
def __init__(self, fields=(), *args, **kwargs):
super(MultiValueField, self).__init__(*args, **kwargs)
# Set 'required' to False on the individual fields, because the
# required validation will be handled by MultiValueField, not by those
# individual fields.
for f in fields:
f.required = False
self.fields = fields
def clean(self, value):
"""
Validates every value in the given list. A value is validated against
the corresponding Field in self.fields.
For example, if this MultiValueField was instantiated with
fields=(DateField(), TimeField()), clean() would call
DateField.clean(value[0]) and TimeField.clean(value[1]).
"""
cleaned_data = []
errors = ErrorList()
if not value or isinstance(value, (list, tuple)):
if not value or not [v for v in value if v not in EMPTY_VALUES]:
if self.required:
raise ValidationError(self.error_messages['required'])
else:
return self.compress([])
else:
raise ValidationError(self.error_messages['invalid'])
for i, field in enumerate(self.fields):
try:
field_value = value[i]
except IndexError:
field_value = None
if self.required and field_value in EMPTY_VALUES:
raise ValidationError(self.error_messages['required'])
try:
cleaned_data.append(field.clean(field_value))
except ValidationError, e:
# Collect all validation errors in a single list, which we'll
# raise at the end of clean(), rather than raising a single
# exception for the first error we encounter.
errors.extend(e.messages)
if errors:
raise ValidationError(errors)
return self.compress(cleaned_data)
def compress(self, data_list):
"""
Returns a single value for the given list of values. The values can be
assumed to be valid.
For example, if this MultiValueField was instantiated with
fields=(DateField(), TimeField()), this might return a datetime
object created by combining the date and time in data_list.
"""
raise NotImplementedError('Subclasses must implement this method.')
class FilePathField(ChoiceField):
def __init__(self, path, match=None, recursive=False, required=True,
widget=Select, label=None, initial=None, help_text=None,
*args, **kwargs):
self.path, self.match, self.recursive = path, match, recursive
super(FilePathField, self).__init__(choices=(), required=required,
widget=widget, label=label, initial=initial, help_text=help_text,
*args, **kwargs)
self.choices = []
if self.match is not None:
self.match_re = re.compile(self.match)
if recursive:
for root, dirs, files in os.walk(self.path):
for f in files:
if self.match is None or self.match_re.search(f):
f = os.path.join(root, f)
self.choices.append((f, f.replace(path, "", 1)))
else:
try:
for f in os.listdir(self.path):
full_file = os.path.join(self.path, f)
if os.path.isfile(full_file) and (self.match is None or self.match_re.search(f)):
self.choices.append((full_file, f))
except OSError:
pass
self.widget.choices = self.choices
class SplitDateTimeField(MultiValueField):
default_error_messages = {
'invalid_date': _(u'Enter a valid date.'),
'invalid_time': _(u'Enter a valid time.'),
}
def __init__(self, *args, **kwargs):
errors = self.default_error_messages.copy()
if 'error_messages' in kwargs:
errors.update(kwargs['error_messages'])
fields = (
DateField(error_messages={'invalid': errors['invalid_date']}),
TimeField(error_messages={'invalid': errors['invalid_time']}),
)
super(SplitDateTimeField, self).__init__(fields, *args, **kwargs)
def compress(self, data_list):
if data_list:
# Raise a validation error if time or date is empty
# (possible if SplitDateTimeField has required=False).
if data_list[0] in EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_date'])
if data_list[1] in EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_time'])
return datetime.datetime.combine(*data_list)
return None
ipv4_re = re.compile(r'^(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}$')
class IPAddressField(RegexField):
default_error_messages = {
'invalid': _(u'Enter a valid IPv4 address.'),
}
def __init__(self, *args, **kwargs):
super(IPAddressField, self).__init__(ipv4_re, *args, **kwargs)

205
deluge/ui/webui/lib/newforms/forms.py → deluge/ui/webui/lib/newforms_portable/forms.py
View file

@ -2,14 +2,18 @@
Form classes
"""
from utils.datastructures import SortedDict, MultiValueDict
from utils.html import escape
from fields import Field
from widgets import TextInput, Textarea, HiddenInput, MultipleHiddenInput
from util import flatatt, StrAndUnicode, ErrorDict, ErrorList, ValidationError
import copy
from copy import deepcopy
#__all__ = ('BaseForm', 'Form')
from django.utils.datastructures import SortedDict
from django.utils.html import escape
from django.utils.encoding import StrAndUnicode, smart_unicode, force_unicode
from django.utils.safestring import mark_safe
from fields import Field, FileField
from widgets import TextInput, Textarea
from util import flatatt, ErrorDict, ErrorList, ValidationError
__all__ = ('BaseForm', 'Form')
NON_FIELD_ERRORS = '__all__'
@ -18,17 +22,32 @@ def pretty_name(name):
name = name[0].upper() + name[1:]
return name.replace('_', ' ')
class SortedDictFromList(SortedDict):
"A dictionary that keeps its keys in the order in which they're inserted."
# This is different than django.utils.datastructures.SortedDict, because
# this takes a list/tuple as the argument to __init__().
def __init__(self, data=None):
if data is None: data = []
self.keyOrder = [d[0] for d in data]
dict.__init__(self, dict(data))
def get_declared_fields(bases, attrs, with_base_fields=True):
"""
Create a list of form field instances from the passed in 'attrs', plus any
similar fields on the base classes (in 'bases'). This is used by both the
Form and ModelForm metclasses.
def copy(self):
return SortedDictFromList([(k, copy.copy(v)) for k, v in self.items()])
If 'with_base_fields' is True, all fields from the bases are used.
Otherwise, only fields in the 'declared_fields' attribute on the bases are
used. The distinction is useful in ModelForm subclassing.
"""
fields = [(field_name, attrs.pop(field_name)) for field_name, obj in attrs.items() if isinstance(obj, Field)]
fields.sort(lambda x, y: cmp(x[1].creation_counter, y[1].creation_counter))
# If this class is subclassing another Form, add that Form's fields.
# Note that we loop over the bases in *reverse*. This is necessary in
# order to preserve the correct order of fields.
if with_base_fields:
for base in bases[::-1]:
if hasattr(base, 'base_fields'):
fields = base.base_fields.items() + fields
else:
for base in bases[::-1]:
if hasattr(base, 'declared_fields'):
fields = base.declared_fields.items() + fields
return SortedDict(fields)
class DeclarativeFieldsMetaclass(type):
"""
@ -36,17 +55,7 @@ class DeclarativeFieldsMetaclass(type):
'base_fields', taking into account parent class 'base_fields' as well.
"""
def __new__(cls, name, bases, attrs):
fields = [(field_name, attrs.pop(field_name)) for field_name, obj in attrs.items() if isinstance(obj, Field)]
fields.sort(lambda x, y: cmp(x[1].creation_counter, y[1].creation_counter))
# If this class is subclassing another Form, add that Form's fields.
# Note that we loop over the bases in *reverse*. This is necessary in
# order to preserve the correct order of fields.
for base in bases[::-1]:
if hasattr(base, 'base_fields'):
fields = base.base_fields.items() + fields
attrs['base_fields'] = SortedDictFromList(fields)
attrs['base_fields'] = get_declared_fields(bases, attrs)
return type.__new__(cls, name, bases, attrs)
class BaseForm(StrAndUnicode):
@ -54,20 +63,24 @@ class BaseForm(StrAndUnicode):
# class is different than Form. See the comments by the Form class for more
# information. Any improvements to the form API should be made to *this*
# class, not to the Form class.
def __init__(self, data=None, auto_id='id_%s', prefix=None, initial=None):
self.is_bound = data is not None
def __init__(self, data=None, files=None, auto_id='id_%s', prefix=None,
initial=None, error_class=ErrorList, label_suffix=':'):
self.is_bound = data is not None or files is not None
self.data = data or {}
self.files = files or {}
self.auto_id = auto_id
self.prefix = prefix
self.initial = initial or {}
self.__errors = None # Stores the errors after clean() has been called.
self.error_class = error_class
self.label_suffix = label_suffix
self._errors = None # Stores the errors after clean() has been called.
# The base_fields class attribute is the *class-wide* definition of
# fields. Because a particular *instance* of the class might want to
# alter self.fields, we create self.fields here by copying base_fields.
# Instances should always modify self.fields; they should not modify
# self.base_fields.
self.fields = self.base_fields.copy()
self.fields = deepcopy(self.base_fields)
def __unicode__(self):
return self.as_table()
@ -84,12 +97,12 @@ class BaseForm(StrAndUnicode):
raise KeyError('Key %r not found in Form' % name)
return BoundField(self, field, name)
def _errors(self):
"Returns an ErrorDict for self.data"
if self.__errors is None:
def _get_errors(self):
"Returns an ErrorDict for the data provided for the form"
if self._errors is None:
self.full_clean()
return self.__errors
errors = property(_errors)
return self._errors
errors = property(_get_errors)
def is_valid(self):
"""
@ -113,31 +126,43 @@ class BaseForm(StrAndUnicode):
output, hidden_fields = [], []
for name, field in self.fields.items():
bf = BoundField(self, field, name)
bf_errors = ErrorList([escape(error) for error in bf.errors]) # Escape and cache in local variable.
bf_errors = self.error_class([escape(error) for error in bf.errors]) # Escape and cache in local variable.
if bf.is_hidden:
if bf_errors:
top_errors.extend(['(Hidden field %s) %s' % (name, e) for e in bf_errors])
top_errors.extend([u'(Hidden field %s) %s' % (name, force_unicode(e)) for e in bf_errors])
hidden_fields.append(unicode(bf))
else:
if errors_on_separate_row and bf_errors:
output.append(error_row % bf_errors)
label = bf.label and bf.label_tag(escape(bf.label + ':')) or ''
output.append(error_row % force_unicode(bf_errors))
if bf.label:
label = escape(force_unicode(bf.label))
# Only add the suffix if the label does not end in
# punctuation.
if self.label_suffix:
if label[-1] not in ':?.!':
label += self.label_suffix
label = bf.label_tag(label) or ''
else:
label = ''
if field.help_text:
help_text = help_text_html % field.help_text
help_text = help_text_html % force_unicode(field.help_text)
else:
help_text = u''
output.append(normal_row % {'errors': bf_errors, 'label': label, 'field': unicode(bf), 'help_text': help_text})
output.append(normal_row % {'errors': force_unicode(bf_errors), 'label': force_unicode(label), 'field': unicode(bf), 'help_text': help_text})
if top_errors:
output.insert(0, error_row % top_errors)
output.insert(0, error_row % force_unicode(top_errors))
if hidden_fields: # Insert any hidden fields in the last row.
str_hidden = u''.join(hidden_fields)
if output:
last_row = output[-1]
# Chop off the trailing row_ender (e.g. '</td></tr>') and insert the hidden fields.
# Chop off the trailing row_ender (e.g. '</td></tr>') and
# insert the hidden fields.
output[-1] = last_row[:-len(row_ender)] + str_hidden + row_ender
else: # If there aren't any rows in the output, just append the hidden fields.
else:
# If there aren't any rows in the output, just append the
# hidden fields.
output.append(str_hidden)
return u'\n'.join(output)
return mark_safe(u'\n'.join(output))
def as_table(self):
"Returns this form rendered as HTML <tr>s -- excluding the <table></table>."
@ -149,7 +174,7 @@ class BaseForm(StrAndUnicode):
def as_p(self):
"Returns this form rendered as HTML <p>s."
return self._html_output(u'<p>%(label)s %(field)s%(help_text)s</p>', u'<p>%s</p>', '</p>', u' %s', True)
return self._html_output(u'<p>%(label)s %(field)s%(help_text)s</p>', u'%s', '</p>', u' %s', True)
def non_field_errors(self):
"""
@ -157,37 +182,42 @@ class BaseForm(StrAndUnicode):
field -- i.e., from Form.clean(). Returns an empty ErrorList if there
are none.
"""
return self.errors.get(NON_FIELD_ERRORS, ErrorList())
return self.errors.get(NON_FIELD_ERRORS, self.error_class())
def full_clean(self):
"""
Cleans all of self.data and populates self.__errors and self.clean_data.
Cleans all of self.data and populates self._errors and
self.cleaned_data.
"""
errors = ErrorDict()
self._errors = ErrorDict()
if not self.is_bound: # Stop further processing.
self.__errors = errors
return
self.clean_data = {}
self.cleaned_data = {}
for name, field in self.fields.items():
# value_from_datadict() gets the data from the dictionary.
# value_from_datadict() gets the data from the data dictionaries.
# Each widget type knows how to retrieve its own data, because some
# widgets split data over several HTML fields.
value = field.widget.value_from_datadict(self.data, self.add_prefix(name))
value = field.widget.value_from_datadict(self.data, self.files, self.add_prefix(name))
try:
value = field.clean(value)
self.clean_data[name] = value
if isinstance(field, FileField):
initial = self.initial.get(name, field.initial)
value = field.clean(value, initial)
else:
value = field.clean(value)
self.cleaned_data[name] = value
if hasattr(self, 'clean_%s' % name):
value = getattr(self, 'clean_%s' % name)()
self.clean_data[name] = value
self.cleaned_data[name] = value
except ValidationError, e:
errors[name] = e.messages
self._errors[name] = e.messages
if name in self.cleaned_data:
del self.cleaned_data[name]
try:
self.clean_data = self.clean()
self.cleaned_data = self.clean()
except ValidationError, e:
errors[NON_FIELD_ERRORS] = e.messages
if errors:
delattr(self, 'clean_data')
self.__errors = errors
self._errors[NON_FIELD_ERRORS] = e.messages
if self._errors:
delattr(self, 'cleaned_data')
def clean(self):
"""
@ -196,7 +226,17 @@ class BaseForm(StrAndUnicode):
not be associated with a particular field; it will have a special-case
association with the field named '__all__'.
"""
return self.clean_data
return self.cleaned_data
def is_multipart(self):
"""
Returns True if the form needs to be multipart-encrypted, i.e. it has
FileInput. Otherwise, False.
"""
for field in self.fields.values():
if field.widget.needs_multipart_form:
return True
return False
class Form(BaseForm):
"A collection of Fields, plus their associated data."
@ -221,32 +261,33 @@ class BoundField(StrAndUnicode):
self.help_text = field.help_text or ''
def __unicode__(self):
"Renders this field as an HTML widget."
# Use the 'widget' attribute on the field to determine which type
# of HTML widget to use.
value = self.as_widget(self.field.widget)
if not isinstance(value, basestring):
# Some Widget render() methods -- notably RadioSelect -- return a
# "special" object rather than a string. Call the __str__() on that
# object to get its rendered value.
value = value.__str__()
return value
"""Renders this field as an HTML widget."""
return self.as_widget()
def _errors(self):
"""
Returns an ErrorList for this field. Returns an empty ErrorList
if there are none.
"""
return self.form.errors.get(self.name, ErrorList())
return self.form.errors.get(self.name, self.form.error_class())
errors = property(_errors)
def as_widget(self, widget, attrs=None):
def as_widget(self, widget=None, attrs=None):
"""
Renders the field by rendering the passed widget, adding any HTML
attributes passed as attrs. If no widget is specified, then the
field's default widget will be used.
"""
if not widget:
widget = self.field.widget
attrs = attrs or {}
auto_id = self.auto_id
if auto_id and not attrs.has_key('id') and not widget.attrs.has_key('id'):
if auto_id and 'id' not in attrs and 'id' not in widget.attrs:
attrs['id'] = auto_id
if not self.form.is_bound:
data = self.form.initial.get(self.name, self.field.initial)
if callable(data):
data = data()
else:
data = self.data
return widget.render(self.html_name, data, attrs=attrs)
@ -271,7 +312,7 @@ class BoundField(StrAndUnicode):
"""
Returns the data for this BoundField, or None if it wasn't given.
"""
return self.field.widget.value_from_datadict(self.form.data, self.html_name)
return self.field.widget.value_from_datadict(self.form.data, self.form.files, self.html_name)
data = property(_data)
def label_tag(self, contents=None, attrs=None):
@ -288,7 +329,7 @@ class BoundField(StrAndUnicode):
if id_:
attrs = attrs and flatatt(attrs) or ''
contents = '<label for="%s"%s>%s</label>' % (widget.id_for_label(id_), attrs, contents)
return contents
return mark_safe(contents)
def _is_hidden(self):
"Returns True if this BoundField's widget is hidden."
@ -301,8 +342,8 @@ class BoundField(StrAndUnicode):
associated Form has specified auto_id. Returns an empty string otherwise.
"""
auto_id = self.form.auto_id
if auto_id and '%s' in str(auto_id):
return str(auto_id) % self.html_name
if auto_id and '%s' in smart_unicode(auto_id):
return smart_unicode(auto_id) % self.html_name
elif auto_id:
return self.html_name
return ''

398
deluge/ui/webui/lib/newforms_portable/models.py Normal file
View file

@ -0,0 +1,398 @@
"""
Helper functions for creating Form classes from Django models
and database field objects.
"""
from warnings import warn
from django.utils.translation import ugettext_lazy as _
from django.utils.encoding import smart_unicode
from django.utils.datastructures import SortedDict
from django.core.exceptions import ImproperlyConfigured
from util import ValidationError, ErrorList
from forms import BaseForm, get_declared_fields
from fields import Field, ChoiceField, EMPTY_VALUES
from widgets import Select, SelectMultiple, MultipleHiddenInput
__all__ = (
'ModelForm', 'BaseModelForm', 'model_to_dict', 'fields_for_model',
'save_instance', 'form_for_model', 'form_for_instance', 'form_for_fields',
'ModelChoiceField', 'ModelMultipleChoiceField'
)
def save_instance(form, instance, fields=None, fail_message='saved',
commit=True):
"""
Saves bound Form ``form``'s cleaned_data into model instance ``instance``.
If commit=True, then the changes to ``instance`` will be saved to the
database. Returns ``instance``.
"""
from django.db import models
opts = instance.__class__._meta
if form.errors:
raise ValueError("The %s could not be %s because the data didn't"
" validate." % (opts.object_name, fail_message))
cleaned_data = form.cleaned_data
for f in opts.fields:
if not f.editable or isinstance(f, models.AutoField) \
or not f.name in cleaned_data:
continue
if fields and f.name not in fields:
continue
f.save_form_data(instance, cleaned_data[f.name])
# Wrap up the saving of m2m data as a function.
def save_m2m():
opts = instance.__class__._meta
cleaned_data = form.cleaned_data
for f in opts.many_to_many:
if fields and f.name not in fields:
continue
if f.name in cleaned_data:
f.save_form_data(instance, cleaned_data[f.name])
if commit:
# If we are committing, save the instance and the m2m data immediately.
instance.save()
save_m2m()
else:
# We're not committing. Add a method to the form to allow deferred
# saving of m2m data.
form.save_m2m = save_m2m
return instance
def make_model_save(model, fields, fail_message):
"""Returns the save() method for a Form."""
def save(self, commit=True):
return save_instance(self, model(), fields, fail_message, commit)
return save
def make_instance_save(instance, fields, fail_message):
"""Returns the save() method for a Form."""
def save(self, commit=True):
return save_instance(self, instance, fields, fail_message, commit)
return save
def form_for_model(model, form=BaseForm, fields=None,
formfield_callback=lambda f: f.formfield()):
"""
Returns a Form class for the given Django model class.
Provide ``form`` if you want to use a custom BaseForm subclass.
Provide ``formfield_callback`` if you want to define different logic for
determining the formfield for a given database field. It's a callable that
takes a database Field instance and returns a form Field instance.
"""
warn("form_for_model is deprecated. Use ModelForm instead.",
PendingDeprecationWarning, stacklevel=3)
opts = model._meta
field_list = []
for f in opts.fields + opts.many_to_many:
if not f.editable:
continue
if fields and not f.name in fields:
continue
formfield = formfield_callback(f)
if formfield:
field_list.append((f.name, formfield))
base_fields = SortedDict(field_list)
return type(opts.object_name + 'Form', (form,),
{'base_fields': base_fields, '_model': model,
'save': make_model_save(model, fields, 'created')})
def form_for_instance(instance, form=BaseForm, fields=None,
formfield_callback=lambda f, **kwargs: f.formfield(**kwargs)):
"""
Returns a Form class for the given Django model instance.
Provide ``form`` if you want to use a custom BaseForm subclass.
Provide ``formfield_callback`` if you want to define different logic for
determining the formfield for a given database field. It's a callable that
takes a database Field instance, plus **kwargs, and returns a form Field
instance with the given kwargs (i.e. 'initial').
"""
warn("form_for_instance is deprecated. Use ModelForm instead.",
PendingDeprecationWarning, stacklevel=3)
model = instance.__class__
opts = model._meta
field_list = []
for f in opts.fields + opts.many_to_many:
if not f.editable:
continue
if fields and not f.name in fields:
continue
current_value = f.value_from_object(instance)
formfield = formfield_callback(f, initial=current_value)
if formfield:
field_list.append((f.name, formfield))
base_fields = SortedDict(field_list)
return type(opts.object_name + 'InstanceForm', (form,),
{'base_fields': base_fields, '_model': model,
'save': make_instance_save(instance, fields, 'changed')})
def form_for_fields(field_list):
"""
Returns a Form class for the given list of Django database field instances.
"""
fields = SortedDict([(f.name, f.formfield())
for f in field_list if f.editable])
return type('FormForFields', (BaseForm,), {'base_fields': fields})
# ModelForms #################################################################
def model_to_dict(instance, fields=None, exclude=None):
"""
Returns a dict containing the data in ``instance`` suitable for passing as
a Form's ``initial`` keyword argument.
``fields`` is an optional list of field names. If provided, only the named
fields will be included in the returned dict.
``exclude`` is an optional list of field names. If provided, the named
fields will be excluded from the returned dict, even if they are listed in
the ``fields`` argument.
"""
# avoid a circular import
from django.db.models.fields.related import ManyToManyField
opts = instance._meta
data = {}
for f in opts.fields + opts.many_to_many:
if not f.editable:
continue
if fields and not f.name in fields:
continue
if exclude and f.name in exclude:
continue
if isinstance(f, ManyToManyField):
# If the object doesn't have a primry key yet, just use an empty
# list for its m2m fields. Calling f.value_from_object will raise
# an exception.
if instance.pk is None:
data[f.name] = []
else:
# MultipleChoiceWidget needs a list of pks, not object instances.
data[f.name] = [obj.pk for obj in f.value_from_object(instance)]
else:
data[f.name] = f.value_from_object(instance)
return data
def fields_for_model(model, fields=None, exclude=None, formfield_callback=lambda f: f.formfield()):
"""
Returns a ``SortedDict`` containing form fields for the given model.
``fields`` is an optional list of field names. If provided, only the named
fields will be included in the returned fields.
``exclude`` is an optional list of field names. If provided, the named
fields will be excluded from the returned fields, even if they are listed
in the ``fields`` argument.
"""
# TODO: if fields is provided, it would be nice to return fields in that order
field_list = []
opts = model._meta
for f in opts.fields + opts.many_to_many:
if not f.editable:
continue
if fields and not f.name in fields:
continue
if exclude and f.name in exclude:
continue
formfield = formfield_callback(f)
if formfield:
field_list.append((f.name, formfield))
return SortedDict(field_list)
class ModelFormOptions(object):
def __init__(self, options=None):
self.model = getattr(options, 'model', None)
self.fields = getattr(options, 'fields', None)
self.exclude = getattr(options, 'exclude', None)
class ModelFormMetaclass(type):
def __new__(cls, name, bases, attrs,
formfield_callback=lambda f: f.formfield()):
try:
parents = [b for b in bases if issubclass(b, ModelForm)]
except NameError:
# We are defining ModelForm itself.
parents = None
if not parents:
return super(ModelFormMetaclass, cls).__new__(cls, name, bases,
attrs)
new_class = type.__new__(cls, name, bases, attrs)
declared_fields = get_declared_fields(bases, attrs, False)
opts = new_class._meta = ModelFormOptions(getattr(new_class, 'Meta', None))
if opts.model:
# If a model is defined, extract form fields from it.
fields = fields_for_model(opts.model, opts.fields,
opts.exclude, formfield_callback)
# Override default model fields with any custom declared ones
# (plus, include all the other declared fields).
fields.update(declared_fields)
else:
fields = declared_fields
new_class.declared_fields = declared_fields
new_class.base_fields = fields
return new_class
class BaseModelForm(BaseForm):
def __init__(self, data=None, files=None, auto_id='id_%s', prefix=None,
initial=None, error_class=ErrorList, label_suffix=':',
instance=None):
opts = self._meta
if instance is None:
# if we didn't get an instance, instantiate a new one
self.instance = opts.model()
object_data = {}
else:
self.instance = instance
object_data = model_to_dict(instance, opts.fields, opts.exclude)
# if initial was provided, it should override the values from instance
if initial is not None:
object_data.update(initial)
BaseForm.__init__(self, data, files, auto_id, prefix, object_data, error_class, label_suffix)
def save(self, commit=True):
"""
Saves this ``form``'s cleaned_data into model instance
``self.instance``.
If commit=True, then the changes to ``instance`` will be saved to the
database. Returns ``instance``.
"""
if self.instance.pk is None:
fail_message = 'created'
else:
fail_message = 'changed'
return save_instance(self, self.instance, self._meta.fields, fail_message, commit)
class ModelForm(BaseModelForm):
__metaclass__ = ModelFormMetaclass
# Fields #####################################################################
class ModelChoiceIterator(object):
def __init__(self, field):
self.field = field
self.queryset = field.queryset
def __iter__(self):
if self.field.empty_label is not None:
yield (u"", self.field.empty_label)
for obj in self.queryset:
yield (obj.pk, self.field.label_from_instance(obj))
# Clear the QuerySet cache if required.
if not self.field.cache_choices:
self.queryset._result_cache = None
class ModelChoiceField(ChoiceField):
"""A ChoiceField whose choices are a model QuerySet."""
# This class is a subclass of ChoiceField for purity, but it doesn't
# actually use any of ChoiceField's implementation.
default_error_messages = {
'invalid_choice': _(u'Select a valid choice. That choice is not one of'
u' the available choices.'),
}
def __init__(self, queryset, empty_label=u"---------", cache_choices=False,
required=True, widget=Select, label=None, initial=None,
help_text=None, *args, **kwargs):
self.empty_label = empty_label
self.cache_choices = cache_choices
# Call Field instead of ChoiceField __init__() because we don't need
# ChoiceField.__init__().
Field.__init__(self, required, widget, label, initial, help_text,
*args, **kwargs)
self.queryset = queryset
def _get_queryset(self):
return self._queryset
def _set_queryset(self, queryset):
self._queryset = queryset
self.widget.choices = self.choices
queryset = property(_get_queryset, _set_queryset)
# this method will be used to create object labels by the QuerySetIterator.
# Override it to customize the label.
def label_from_instance(self, obj):
"""
This method is used to convert objects into strings; it's used to
generate the labels for the choices presented by this object. Subclasses
can override this method to customize the display of the choices.
"""
return smart_unicode(obj)
def _get_choices(self):
# If self._choices is set, then somebody must have manually set
# the property self.choices. In this case, just return self._choices.
if hasattr(self, '_choices'):
return self._choices
# Otherwise, execute the QuerySet in self.queryset to determine the
# choices dynamically. Return a fresh QuerySetIterator that has not been
# consumed. Note that we're instantiating a new QuerySetIterator *each*
# time _get_choices() is called (and, thus, each time self.choices is
# accessed) so that we can ensure the QuerySet has not been consumed. This
# construct might look complicated but it allows for lazy evaluation of
# the queryset.
return ModelChoiceIterator(self)
def _set_choices(self, value):
# This method is copied from ChoiceField._set_choices(). It's necessary
# because property() doesn't allow a subclass to overwrite only
# _get_choices without implementing _set_choices.
self._choices = self.widget.choices = list(value)
choices = property(_get_choices, _set_choices)
def clean(self, value):
Field.clean(self, value)
if value in EMPTY_VALUES:
return None
try:
value = self.queryset.get(pk=value)
except self.queryset.model.DoesNotExist:
raise ValidationError(self.error_messages['invalid_choice'])
return value
class ModelMultipleChoiceField(ModelChoiceField):
"""A MultipleChoiceField whose choices are a model QuerySet."""
hidden_widget = MultipleHiddenInput
default_error_messages = {
'list': _(u'Enter a list of values.'),
'invalid_choice': _(u'Select a valid choice. %s is not one of the'
u' available choices.'),
}
def __init__(self, queryset, cache_choices=False, required=True,
widget=SelectMultiple, label=None, initial=None,
help_text=None, *args, **kwargs):
super(ModelMultipleChoiceField, self).__init__(queryset, None,
cache_choices, required, widget, label, initial, help_text,
*args, **kwargs)
def clean(self, value):
if self.required and not value:
raise ValidationError(self.error_messages['required'])
elif not self.required and not value:
return []
if not isinstance(value, (list, tuple)):
raise ValidationError(self.error_messages['list'])
final_values = []
for val in value:
try:
obj = self.queryset.get(pk=val)
except self.queryset.model.DoesNotExist:
raise ValidationError(self.error_messages['invalid_choice'] % val)
else:
final_values.append(obj)
return final_values

69
deluge/ui/webui/lib/newforms_portable/util.py Normal file
View file

@ -0,0 +1,69 @@
from django.utils.html import escape
from django.utils.encoding import smart_unicode, StrAndUnicode, force_unicode
from django.utils.functional import Promise
from django.utils.safestring import mark_safe
def flatatt(attrs):
"""
Convert a dictionary of attributes to a single string.
The returned string will contain a leading space followed by key="value",
XML-style pairs. It is assumed that the keys do not need to be XML-escaped.
If the passed dictionary is empty, then return an empty string.
"""
return u''.join([u' %s="%s"' % (k, escape(v)) for k, v in attrs.items()])
class ErrorDict(dict, StrAndUnicode):
"""
A collection of errors that knows how to display itself in various formats.
The dictionary keys are the field names, and the values are the errors.
"""
def __unicode__(self):
return self.as_ul()
def as_ul(self):
if not self: return u''
return mark_safe(u'<ul class="errorlist">%s</ul>'
% ''.join([u'<li>%s%s</li>' % (k, force_unicode(v))
for k, v in self.items()]))
def as_text(self):
return u'\n'.join([u'* %s\n%s' % (k, u'\n'.join([u' * %s' % force_unicode(i) for i in v])) for k, v in self.items()])
class ErrorList(list, StrAndUnicode):
"""
A collection of errors that knows how to display itself in various formats.
"""
def __unicode__(self):
return self.as_ul()
def as_ul(self):
if not self: return u''
return mark_safe(u'<ul class="errorlist">%s</ul>'
% ''.join([u'<li>%s</li>' % force_unicode(e) for e in self]))
def as_text(self):
if not self: return u''
return u'\n'.join([u'* %s' % force_unicode(e) for e in self])
def __repr__(self):
return repr([force_unicode(e) for e in self])
class ValidationError(Exception):
def __init__(self, message):
"""
ValidationError can be passed any object that can be printed (usually
a string) or a list of objects.
"""
if isinstance(message, list):
self.messages = ErrorList([smart_unicode(msg) for msg in message])
else:
message = smart_unicode(message)
self.messages = ErrorList([message])
def __str__(self):
# This is needed because, without a __str__(), printing an exception
# instance would result in this:
# AttributeError: ValidationError instance has no attribute 'args'
# See http://www.python.org/doc/current/tut/node10.html#handling
return repr(self.messages)

266
deluge/ui/webui/lib/newforms/widgets.py → deluge/ui/webui/lib/newforms_portable/widgets.py
View file

@ -2,29 +2,44 @@
HTML Widget classes
"""
__all__ = (
'Widget', 'TextInput', 'PasswordInput', 'HiddenInput', 'MultipleHiddenInput',
'FileInput', 'Textarea', 'CheckboxInput',
'Select', 'NullBooleanSelect', 'SelectMultiple', 'RadioSelect', 'CheckboxSelectMultiple',
'MultiWidget', 'SplitDateTimeWidget',
)
try:
set
except NameError:
from sets import Set as set # Python 2.3 fallback
from util import flatatt, StrAndUnicode, smart_unicode
from utils.datastructures import MultiValueDict
from utils.html import escape
from gettext import gettext
import copy
from itertools import chain
try:
set # Only available in Python 2.4+
except NameError:
from sets import Set as set # Python 2.3 fallback
from django.utils.datastructures import MultiValueDict
from django.utils.html import escape, conditional_escape
from django.utils.translation import ugettext
from django.utils.encoding import StrAndUnicode, force_unicode
from django.utils.safestring import mark_safe
from util import flatatt
__all__ = (
'Widget', 'TextInput', 'PasswordInput',
'HiddenInput', 'MultipleHiddenInput',
'FileInput', 'DateTimeInput', 'Textarea', 'CheckboxInput',
'Select', 'NullBooleanSelect', 'SelectMultiple', 'RadioSelect',
'CheckboxSelectMultiple', 'MultiWidget', 'SplitDateTimeWidget',
)
class Widget(object):
is_hidden = False # Determines whether this corresponds to an <input type="hidden">.
needs_multipart_form = False # Determines does this widget need multipart-encrypted form
def __init__(self, attrs=None):
self.attrs = attrs or {}
if attrs is not None:
self.attrs = attrs.copy()
else:
self.attrs = {}
def __deepcopy__(self, memo):
obj = copy.copy(self)
obj.attrs = self.attrs.copy()
memo[id(self)] = obj
return obj
def render(self, name, value, attrs=None):
"""
@ -42,7 +57,7 @@ class Widget(object):
attrs.update(extra_attrs)
return attrs
def value_from_datadict(self, data, name):
def value_from_datadict(self, data, files, name):
"""
Given a dictionary of data and this widget's name, returns the value
of this widget. Returns None if it's not provided.
@ -72,8 +87,10 @@ class Input(Widget):
def render(self, name, value, attrs=None):
if value is None: value = ''
final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
if value != '': final_attrs['value'] = smart_unicode(value) # Only add the 'value' attribute if a value is non-empty.
return u'<input%s />' % flatatt(final_attrs)
if value != '':
# Only add the 'value' attribute if a value is non-empty.
final_attrs['value'] = force_unicode(value)
return mark_safe(u'<input%s />' % flatatt(final_attrs))
class TextInput(Input):
input_type = 'text'
@ -82,7 +99,7 @@ class PasswordInput(Input):
input_type = 'password'
def __init__(self, attrs=None, render_value=True):
self.attrs = attrs or {}
super(PasswordInput, self).__init__(attrs)
self.render_value = render_value
def render(self, name, value, attrs=None):
@ -99,35 +116,68 @@ class MultipleHiddenInput(HiddenInput):
of values.
"""
def __init__(self, attrs=None, choices=()):
super(MultipleHiddenInput, self).__init__(attrs)
# choices can be any iterable
self.attrs = attrs or {}
self.choices = choices
def render(self, name, value, attrs=None, choices=()):
if value is None: value = []
final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
return u'\n'.join([(u'<input%s />' % flatatt(dict(value=smart_unicode(v), **final_attrs))) for v in value])
return mark_safe(u'\n'.join([(u'<input%s />' %
flatatt(dict(value=force_unicode(v), **final_attrs)))
for v in value]))
def value_from_datadict(self, data, name):
def value_from_datadict(self, data, files, name):
if isinstance(data, MultiValueDict):
return data.getlist(name)
return data.get(name, None)
class FileInput(Input):
input_type = 'file'
needs_multipart_form = True
def render(self, name, value, attrs=None):
return super(FileInput, self).render(name, None, attrs=attrs)
def value_from_datadict(self, data, files, name):
"File widgets take data from FILES, not POST"
return files.get(name, None)
class Textarea(Widget):
def __init__(self, attrs=None):
# The 'rows' and 'cols' attributes are required for HTML correctness.
self.attrs = {'cols': '40', 'rows': '10'}
if attrs:
self.attrs.update(attrs)
def render(self, name, value, attrs=None):
if value is None: value = ''
value = smart_unicode(value)
value = force_unicode(value)
final_attrs = self.build_attrs(attrs, name=name)
return u'<textarea%s>%s</textarea>' % (flatatt(final_attrs), escape(value))
return mark_safe(u'<textarea%s>%s</textarea>' % (flatatt(final_attrs),
conditional_escape(force_unicode(value))))
class DateTimeInput(Input):
input_type = 'text'
format = '%Y-%m-%d %H:%M:%S' # '2006-10-25 14:30:59'
def __init__(self, attrs=None, format=None):
super(DateTimeInput, self).__init__(attrs)
if format:
self.format = format
def render(self, name, value, attrs=None):
if value is None:
value = ''
elif hasattr(value, 'strftime'):
value = value.strftime(self.format)
return super(DateTimeInput, self).render(name, value, attrs)
class CheckboxInput(Widget):
def __init__(self, attrs=None, check_test=bool):
super(CheckboxInput, self).__init__(attrs)
# check_test is a callable that takes a value and returns True
# if the checkbox should be checked for that value.
self.attrs = attrs or {}
self.check_test = check_test
def render(self, name, value, attrs=None):
@ -139,12 +189,20 @@ class CheckboxInput(Widget):
if result:
final_attrs['checked'] = 'checked'
if value not in ('', True, False, None):
final_attrs['value'] = smart_unicode(value) # Only add the 'value' attribute if a value is non-empty.
return u'<input%s />' % flatatt(final_attrs)
# Only add the 'value' attribute if a value is non-empty.
final_attrs['value'] = force_unicode(value)
return mark_safe(u'<input%s />' % flatatt(final_attrs))
def value_from_datadict(self, data, files, name):
if name not in data:
# A missing value means False because HTML form submission does not
# send results for unselected checkboxes.
return False
return super(CheckboxInput, self).value_from_datadict(data, files, name)
class Select(Widget):
def __init__(self, attrs=None, choices=()):
self.attrs = attrs or {}
super(Select, self).__init__(attrs)
# choices can be any iterable, but we may need to render this widget
# multiple times. Thus, collapse it into a list so it can be consumed
# more than once.
@ -154,20 +212,23 @@ class Select(Widget):
if value is None: value = ''
final_attrs = self.build_attrs(attrs, name=name)
output = [u'<select%s>' % flatatt(final_attrs)]
str_value = smart_unicode(value) # Normalize to string.
# Normalize to string.
str_value = force_unicode(value)
for option_value, option_label in chain(self.choices, choices):
option_value = smart_unicode(option_value)
option_value = force_unicode(option_value)
selected_html = (option_value == str_value) and u' selected="selected"' or ''
output.append(u'<option value="%s"%s>%s</option>' % (escape(option_value), selected_html, escape(smart_unicode(option_label))))
output.append(u'<option value="%s"%s>%s</option>' % (
escape(option_value), selected_html,
conditional_escape(force_unicode(option_label))))
output.append(u'</select>')
return u'\n'.join(output)
return mark_safe(u'\n'.join(output))
class NullBooleanSelect(Select):
"""
A Select Widget intended to be used with NullBooleanField.
"""
def __init__(self, attrs=None):
choices = ((u'1', gettext('Unknown')), (u'2', gettext('Yes')), (u'3', gettext('No')))
choices = ((u'1', ugettext('Unknown')), (u'2', ugettext('Yes')), (u'3', ugettext('No')))
super(NullBooleanSelect, self).__init__(attrs, choices)
def render(self, name, value, attrs=None, choices=()):
@ -177,58 +238,68 @@ class NullBooleanSelect(Select):
value = u'1'
return super(NullBooleanSelect, self).render(name, value, attrs, choices)
def value_from_datadict(self, data, name):
def value_from_datadict(self, data, files, name):
value = data.get(name, None)
return {u'2': True, u'3': False, True: True, False: False}.get(value, None)
class SelectMultiple(Widget):
def __init__(self, attrs=None, choices=()):
super(SelectMultiple, self).__init__(attrs)
# choices can be any iterable
self.attrs = attrs or {}
self.choices = choices
def render(self, name, value, attrs=None, choices=()):
if value is None: value = []
final_attrs = self.build_attrs(attrs, name=name)
output = [u'<select multiple="multiple"%s>' % flatatt(final_attrs)]
str_values = set([smart_unicode(v) for v in value]) # Normalize to strings.
str_values = set([force_unicode(v) for v in value]) # Normalize to strings.
for option_value, option_label in chain(self.choices, choices):
option_value = smart_unicode(option_value)
option_value = force_unicode(option_value)
selected_html = (option_value in str_values) and ' selected="selected"' or ''
output.append(u'<option value="%s"%s>%s</option>' % (escape(option_value), selected_html, escape(smart_unicode(option_label))))
output.append(u'<option value="%s"%s>%s</option>' % (
escape(option_value), selected_html,
conditional_escape(force_unicode(option_label))))
output.append(u'</select>')
return u'\n'.join(output)
return mark_safe(u'\n'.join(output))
def value_from_datadict(self, data, name):
def value_from_datadict(self, data, files, name):
if isinstance(data, MultiValueDict):
return data.getlist(name)
return data.get(name, None)
class RadioInput(StrAndUnicode):
"An object used by RadioFieldRenderer that represents a single <input type='radio'>."
"""
An object used by RadioFieldRenderer that represents a single
<input type='radio'>.
"""
def __init__(self, name, value, attrs, choice, index):
self.name, self.value = name, value
self.attrs = attrs
self.choice_value = smart_unicode(choice[0])
self.choice_label = smart_unicode(choice[1])
self.choice_value = force_unicode(choice[0])
self.choice_label = force_unicode(choice[1])
self.index = index
def __unicode__(self):
return u'<label>%s %s</label>' % (self.tag(), self.choice_label)
return mark_safe(u'<label>%s %s</label>' % (self.tag(),
conditional_escape(force_unicode(self.choice_label))))
def is_checked(self):
return self.value == self.choice_value
def tag(self):
if self.attrs.has_key('id'):
if 'id' in self.attrs:
self.attrs['id'] = '%s_%s' % (self.attrs['id'], self.index)
final_attrs = dict(self.attrs, type='radio', name=self.name, value=self.choice_value)
if self.is_checked():
final_attrs['checked'] = 'checked'
return u'<input%s />' % flatatt(final_attrs)
return mark_safe(u'<input%s />' % flatatt(final_attrs))
class RadioFieldRenderer(StrAndUnicode):
"An object used by RadioSelect to enable customization of radio widgets."
"""
An object used by RadioSelect to enable customization of radio widgets.
"""
def __init__(self, name, value, attrs, choices):
self.name, self.value, self.attrs = name, value, attrs
self.choices = choices
@ -242,16 +313,33 @@ class RadioFieldRenderer(StrAndUnicode):
return RadioInput(self.name, self.value, self.attrs.copy(), choice, idx)
def __unicode__(self):
"Outputs a <ul> for this set of radio fields."
return u'<ul>\n%s\n</ul>' % u'\n'.join([u'<li>%s</li>' % w for w in self])
return self.render()
def render(self):
"""Outputs a <ul> for this set of radio fields."""
return mark_safe(u'<ul>\n%s\n</ul>' % u'\n'.join([u'<li>%s</li>'
% force_unicode(w) for w in self]))
class RadioSelect(Select):
def render(self, name, value, attrs=None, choices=()):
"Returns a RadioFieldRenderer instance rather than a Unicode string."
renderer = RadioFieldRenderer
def __init__(self, *args, **kwargs):
# Override the default renderer if we were passed one.
renderer = kwargs.pop('renderer', None)
if renderer:
self.renderer = renderer
super(RadioSelect, self).__init__(*args, **kwargs)
def get_renderer(self, name, value, attrs=None, choices=()):
"""Returns an instance of the renderer."""
if value is None: value = ''
str_value = smart_unicode(value) # Normalize to string.
attrs = attrs or {}
return RadioFieldRenderer(name, str_value, attrs, list(chain(self.choices, choices)))
str_value = force_unicode(value) # Normalize to string.
final_attrs = self.build_attrs(attrs)
choices = list(chain(self.choices, choices))
return self.renderer(name, str_value, final_attrs, choices)
def render(self, name, value, attrs=None, choices=()):
return self.get_renderer(name, value, attrs, choices).render()
def id_for_label(self, id_):
# RadioSelect is represented by multiple <input type="radio"> fields,
@ -266,21 +354,23 @@ class RadioSelect(Select):
class CheckboxSelectMultiple(SelectMultiple):
def render(self, name, value, attrs=None, choices=()):
if value is None: value = []
has_id = attrs and attrs.has_key('id')
has_id = attrs and 'id' in attrs
final_attrs = self.build_attrs(attrs, name=name)
output = [u'<ul>']
str_values = set([smart_unicode(v) for v in value]) # Normalize to strings.
# Normalize to strings
str_values = set([force_unicode(v) for v in value])
for i, (option_value, option_label) in enumerate(chain(self.choices, choices)):
# If an ID attribute was given, add a numeric index as a suffix,
# so that the checkboxes don't all have the same ID attribute.
if has_id:
final_attrs = dict(final_attrs, id='%s_%s' % (attrs['id'], i))
cb = CheckboxInput(final_attrs, check_test=lambda value: value in str_values)
option_value = smart_unicode(option_value)
option_value = force_unicode(option_value)
rendered_cb = cb.render(name, option_value)
output.append(u'<li><label>%s %s</label></li>' % (rendered_cb, escape(smart_unicode(option_label))))
output.append(u'<li><label>%s %s</label></li>' % (rendered_cb,
conditional_escape(force_unicode(option_label))))
output.append(u'</ul>')
return u'\n'.join(output)
return mark_safe(u'\n'.join(output))
def id_for_label(self, id_):
# See the comment for RadioSelect.id_for_label()
@ -293,19 +383,28 @@ class MultiWidget(Widget):
"""
A widget that is composed of multiple widgets.
Its render() method takes a "decompressed" list of values, not a single
value. Each value in this list is rendered in the corresponding widget --
the first value is rendered in the first widget, the second value is
rendered in the second widget, etc.
Its render() method is different than other widgets', because it has to
figure out how to split a single value for display in multiple widgets.
The ``value`` argument can be one of two things:
Subclasses should implement decompress(), which specifies how a single
value should be converted to a list of values. Subclasses should not
have to implement clean().
* A list.
* A normal value (e.g., a string) that has been "compressed" from
a list of values.
In the second case -- i.e., if the value is NOT a list -- render() will
first "decompress" the value into a list before rendering it. It does so by
calling the decompress() method, which MultiWidget subclasses must
implement. This method takes a single "compressed" value and returns a
list.
When render() does its HTML rendering, each value in the list is rendered
with the corresponding widget -- the first value is rendered in the first
widget, the second value is rendered in the second widget, etc.
Subclasses may implement format_output(), which takes the list of rendered
widgets and returns HTML that formats them any way you'd like.
widgets and returns a string of HTML that formats them any way you'd like.
You'll probably want to use this with MultiValueField.
You'll probably want to use this class with MultiValueField.
"""
def __init__(self, widgets, attrs=None):
self.widgets = [isinstance(w, type) and w() or w for w in widgets]
@ -317,18 +416,36 @@ class MultiWidget(Widget):
if not isinstance(value, list):
value = self.decompress(value)
output = []
final_attrs = self.build_attrs(attrs)
id_ = final_attrs.get('id', None)
for i, widget in enumerate(self.widgets):
try:
widget_value = value[i]
except KeyError:
except IndexError:
widget_value = None
output.append(widget.render(name + '_%s' % i, widget_value, attrs))
return self.format_output(output)
if id_:
final_attrs = dict(final_attrs, id='%s_%s' % (id_, i))
output.append(widget.render(name + '_%s' % i, widget_value, final_attrs))
return mark_safe(self.format_output(output))
def value_from_datadict(self, data, name):
return [data.get(name + '_%s' % i) for i in range(len(self.widgets))]
def id_for_label(self, id_):
# See the comment for RadioSelect.id_for_label()
if id_:
id_ += '_0'
return id_
id_for_label = classmethod(id_for_label)
def value_from_datadict(self, data, files, name):
return [widget.value_from_datadict(data, files, name + '_%s' % i) for i, widget in enumerate(self.widgets)]
def format_output(self, rendered_widgets):
"""
Given a list of rendered widgets (as strings), returns a Unicode string
representing the HTML for the whole lot.
This hook allows you to format the HTML design of the widgets, if
needed.
"""
return u''.join(rendered_widgets)
def decompress(self, value):
@ -349,5 +466,6 @@ class SplitDateTimeWidget(MultiWidget):
def decompress(self, value):
if value:
return [value.date(), value.time()]
return [value.date(), value.time().replace(microsecond=0)]
return [None, None]

1
deluge/ui/webui/pages.py
View file

@ -103,7 +103,6 @@ urls = [
]
#/routing
#pages:
class login:
@deco.deluge_page_noauth

2
deluge/ui/webui/torrent_add.py
View file

@ -102,7 +102,7 @@ class torrent_add:
if not options_form.is_valid():
print self.add_page(error = _("Error in torrent options."))
return
options = options_form.clean_data
options = options_form.cleaned_data
vars = web.input(url = None, torrent = {})

2
deluge/ui/webui/torrent_move.py
View file

@ -70,6 +70,6 @@ class torrent_move:
if not form.is_valid():
print self.move_page(name, error = _("Error in Path."))
return
save_path = form.clean_data["save_path"]
save_path = form.cleaned_data["save_path"]
proxy.move_torrent(torrent_ids, save_path)
utils.do_redirect()