Add 'torrentfiles_location' configuration option.

TODO

@@ -14,7 +14,6 @@
 * Add classic/normal mode to preferences
 * Implement 'Classic' mode
 * Tray tooltip
-* Add torrentfiles location config option
 * Add autoload folder
 * Add wizard
 * Add a health indication to the statusbar

deluge/config.py

@@ -46,6 +46,7 @@ class Config:
         log.debug("Config created with filename: %s", filename)
         log.debug("Config defaults: %s", defaults)
         self.config = {}
+        self.previous_config = {}
         self.set_functions = {}
         
         # If defaults is not None then we need to use "defaults".
@@ -115,6 +116,8 @@ class Config:
 	    # Sets the "key" with "value" in the config dict
         if self.config[key] != value:
             log.debug("Setting '%s' to %s of %s", key, value, type(value))
+            # Make a copy of the current config prior to changing it
+            self.previous_config = self.config.copy()
             self.config[key] = value
             # Run the set_function for this key if any
             try:
@@ -139,6 +142,10 @@ class Config:
         """Returns the entire configuration as a dictionary."""
         return self.config
     
+    def get_previous_config(self):
+        """Returns the config prior to the last set()"""
+        return self.previous_config
+        
     def register_set_function(self, key, function, apply_now=True):
         """Register a function to be run when a config value changes."""
         log.debug("Registering function for %s key..", key)

deluge/core/core.py

@@ -36,6 +36,8 @@ import locale
 import pkg_resources
 import sys
 import pickle
+import shutil
+import os
 
 import deluge.SimpleXMLRPCServer as SimpleXMLRPCServer
 from SocketServer import ThreadingMixIn
@@ -148,6 +150,8 @@ class Core(
         self.session.add_extension(lt.create_metadata_plugin)
 
         # Register set functions in the Config
+        self.config.register_set_function("torrentfiles_location",
+            self._on_set_torrentfiles_location)
         self.config.register_set_function("listen_ports", 
             self._on_set_listen_ports)
         self.config.register_set_function("random_port",
@@ -426,6 +430,31 @@ class Core(
         self.signals.emit("torrent_all_resumed", torrent_id)
         
     # Config set functions
+    def _on_set_torrentfiles_location(self, key, value):
+        try:
+            old = self.config.get_previous_config()["torrentfiles_location"]
+        except Exception, e:
+            # This probably means it's not a real change but we're just loading
+            # the config.
+            log.debug("Unable to get previous torrentfiles_location: %s", e)
+            return
+            
+        # First try to create the new directory
+        try:
+            os.makedirs(value)
+        except Exception, e:
+            log.debug("Unable to make directory: %s", e)
+
+        # Now copy all files in the old directory to the new one
+        for root, dirs, files in os.walk(old):
+            for dir in dirs:
+                os.makedirs(dir)
+            for file in files:
+                try:
+                    shutil.copy2(os.path.join(root, file), value)
+                except Exception, e:
+                    log.debug("Unable to copy file to %s: %s", value, e)
+        
     def _on_set_listen_ports(self, key, value):
         # Only set the listen ports if random_port is not true
         if self.config["random_port"] is not True:

deluge/ui/gtkui/preferences.py

@@ -156,6 +156,8 @@ class Preferences(component.Component):
             core_widgets = {
                 "download_path_button": \
                     ("filename", self.core_config["download_location"]),
+                "torrent_files_button": \
+                    ("filename", self.core_config["torrentfiles_location"]),
                 "radio_compact_allocation": \
                     ("active", self.core_config["compact_allocation"]),
                 "radio_full_allocation": \
@@ -213,6 +215,7 @@ class Preferences(component.Component):
         else:
             core_widget_list = [
                 "download_path_button",
+                "torrent_files_button",
                 "radio_compact_allocation",
                 "radio_full_allocation",
                 "chk_prioritize_first_last_pieces",
@@ -306,6 +309,8 @@ class Preferences(component.Component):
             self.glade.get_widget("radio_ask_save").get_active()
         new_core_config["download_location"] = \
             self.glade.get_widget("download_path_button").get_filename()
+        new_core_config["torrentfiles_location"] = \
+            self.glade.get_widget("torrent_files_button").get_filename()
         new_core_config["compact_allocation"] = \
             self.glade.get_widget("radio_compact_allocation").get_active()
         new_core_config["prioritize_first_last_pieces"] = \