Added high-level methods to execute the channel enabling and disablin…

…g actions.

Use the quick-and-dirty manager.py script to test them:

 ./manager.py enable semplice-devel

 ./manager.py enable semplice-jessie

 ./manager.py disable jessie

 ./manager.py enable semplice-current

Signed-off-by: Eugenio Paolantonio (g7) <[email protected]>

libchannels/actions.py

@@ -48,4 +48,27 @@ def enable_channel(self, channel):
 		Enables the given channel.
 		"""
 
-		pass
+		if self.discovery.cache[channel].enabled:
+			# Nothing to do
+			return
+
+		for child_channel, action in self.resolver.get_channel_solution(channel, ActionType.ENABLE):
+			if action == ActionType.ENABLE:
+				self.discovery.cache[child_channel].enable()
+			elif action == ActionType.DISABLE:
+				self.discovery.cache[child_channel].disable()
+
+	def disable_channel(self, channel):
+		"""
+		Disables the given channel.
+		"""
+
+		if not self.discovery.cache[channel].enabled:
+			# Nothing to do
+			return
+
+		for child_channel, action in self.resolver.get_channel_solution(channel, ActionType.DISABLE):
+			if action == ActionType.ENABLE:
+				self.discovery.cache[child_channel].enable()
+			elif action == ActionType.DISABLE:
+				self.discovery.cache[child_channel].disable()

libchannels/channel.py

@@ -81,6 +81,8 @@ def disable(self):
 		Disables enitrely the channel.
 		"""
 
+		print("Disabling %s channel..." % self.channel_name)
+
 		for repository, source_entry in self.repositories.items():
 			source_entry.set_enabled(False)
 
@@ -91,6 +93,8 @@ def enable(self):
 		Enables the channel.
 		"""
 
+		print("Enabling %s channel..." % self.channel_name)
+
 		for repository, source_entry in self.repositories.items():
 			if type(source_entry) == SourceEntry:
 				source_entry.set_enabled(True)

manager.py

@@ -0,0 +1,31 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+import libchannels.discovery
+import libchannels.resolver
+import libchannels.actions
+
+import sys
+
+if len(sys.argv) < 3:
+	print("You should specify the action and the channel to execute the action on!")
+	sys.exit(1)
+
+action = libchannels.actions.ActionType.DISABLE if sys.argv[1] == "disable" else libchannels.actions.ActionType.ENABLE
+channel = sys.argv[2]
+
+# Discovery
+discovery = libchannels.discovery.ChannelDiscovery()
+discovery.discover()
+
+# Resolver
+resolver = libchannels.resolver.DependencyResolver(discovery.cache)
+
+# Actions
+actions = libchannels.actions.Actions(discovery, resolver)
+
+#print(action)
+if action == libchannels.actions.ActionType.DISABLE:
+	actions.disable_channel(channel)
+else:
+	actions.enable_channel(channel)