[thorstenp] replace filter lambda with list comprehension

src/common/connection_handlers.py

@@ -1321,7 +1321,7 @@ sent a message to.'''
 		sessions = self.sessions[jid].values()
 
 		# sessions that we haven't received a thread ID in
-		idless = filter(lambda s: not s.received_thread_id, sessions)
+		idless = [s for s in sessions if not s.received_thread_id]
 
 		# filter out everything except the default session type
 		p = lambda s: isinstance(s, gajim.default_session_type)
@@ -1344,7 +1344,7 @@ sent a message to.'''
 			p = lambda s: isinstance(s, gajim.default_session_type)
 			chat_sessions = filter(p, sessions)
 
-			orphaned = filter(lambda s: not s.control, chat_sessions)
+			orphaned = [s for s in chat_sessions if not s.control]
 
 			return orphaned[0]
 		except (KeyError, IndexError):

src/common/stanza_session.py

@@ -244,8 +244,8 @@ class EncryptedStanzaSession(StanzaSession):
 			return crypto.encode_mpi(gajim.pubkey.sign(hash_, '')[0])
 
 	def encrypt_stanza(self, stanza):
-		encryptable = filter(lambda x: x.getName() not in ('error', 'amp',
-			'thread'), stanza.getChildren())
+		encryptable = [x for x in stanza.getChildren() if x.getName() not in ('error', 'amp',
+			'thread')]
 
 		# XXX can also encrypt contents of <error/> elements in stanzas @type =
 		# 'error'
@@ -324,8 +324,7 @@ class EncryptedStanzaSession(StanzaSession):
 		stanza.delChild(c)
 
 		# contents of <c>, minus <mac>, minus whitespace
-		macable = ''.join(map(str, filter(lambda x: x.getName() != 'mac',
-			c.getChildren())))
+		macable = ''.join(str(x) for x in c.getChildren() if x.getName() != 'mac')
 
 		received_mac = base64.b64decode(c.getTagData('mac'))
 		calculated_mac = self.hmac(self.km_o, macable + \
@@ -365,7 +364,7 @@ class EncryptedStanzaSession(StanzaSession):
 
 	def c7lize_mac_id(self, form):
 		kids = form.getChildren()
-		macable = filter(lambda x: x.getVar() not in ('mac', 'identity'), kids)
+		macable = [x for x in kids if x.getVar() not in ('mac', 'identity')]
 		return ''.join(map(lambda el: xmpp.c14n.c14n(el), macable))
 
 	def verify_identity(self, form, dh_i, sigmai, i_o):

src/gajim.py

@@ -2687,8 +2687,7 @@ class Interface:
 		conn = gajim.connections[account]
 
 		if not session and fjid in conn.sessions:
-			sessions = filter(lambda s: isinstance(s, ChatControlSession),
-				conn.sessions[fjid].values())
+			sessions = [s for s in conn.sessions[fjid].values() if isinstance(s, ChatControlSession)]
 
 			# look for an existing session with a chat control
 			for s in sessions:

src/gtkgui_helpers.py

@@ -229,15 +229,15 @@ def get_running_processes():
 		files = filter(str.isdigit, files)
 
 		# files that aren't directories...
-		files = filter(lambda f:os.path.isdir('/proc/' + f), files)
+		files = [f for f in files if os.path.isdir('/proc/' + f)]
 
 		# processes owned by somebody not running gajim...
 		# (we check if we have access to that file)
-		files = filter(lambda f:os.access('/proc/' + f +'/exe', os.F_OK), files)
+		files = [f for f in files if os.access('/proc/' + f +'/exe', os.F_OK)]
 
 		# be sure that /proc/[number]/exe is really a symlink
 		# to avoid TBs in incorrectly configured systems
-		files = filter(lambda f:os.path.islink('/proc/' + f + '/exe'), files)
+		files = [f for f in files if os.path.islink('/proc/' + f + '/exe')]
 
 		# list of processes
 		processes = [os.path.basename(os.readlink('/proc/' + f +'/exe')) for f in files]