From 03043f6a0f9220f7764950a33cfe856de7e119ce Mon Sep 17 00:00:00 2001
From: Alec Warner <antarus@gentoo.org>
Date: Tue, 16 Jan 2007 01:36:45 +0000
Subject: ferringb pointed out this portroot parameter, ended up not using it,
 try an os.path.exists to save a very common (and slow) except on missing
 repo_name files for overlays, use a dict to facility a nicer regex comparison
 loop for news restrictions.

svn path=/main/trunk/; revision=5662
---
 pym/portage.py      | 17 ++++++++---------
 pym/portage_news.py | 23 ++++++++---------------
 2 files changed, 16 insertions(+), 24 deletions(-)

diff --git a/pym/portage.py b/pym/portage.py
index 3cbe7114d..501f55685 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -4527,13 +4527,10 @@ def getmaskingstatus(mycpv, settings=None, portdb=None):
 	return rValue
 
 class portagetree:
-	def __init__(self, root="/", virtual=None, clone=None, settings=None, portroot=None):
+	def __init__(self, root="/", virtual=None, clone=None, settings=None):
 		"""
 		Constructor for a PortageTree
 		
-		Note: Portroot was added for GLEP 42 functionality and defaults to the $PORTDIR
-		env variable.
-		
 		@param root: ${ROOT}, defaults to '/', see make.conf(5)
 		@type root: String/Path
 		@param virtual: UNUSED
@@ -5549,11 +5546,13 @@ class portdbapi(dbapi):
 			[os.path.realpath(t) for t in self.mysettings["PORTDIR_OVERLAY"].split()]
 		self.treemap = {}
 		for path in self.porttrees:
-			try:
-				repo_name = open( os.path.join( path , REPO_NAME_LOC ) ,'r').readline().rstrip()
-				self.treemap[repo_name] = path
-			except (OSError,IOError):
-				pass
+			repo_name_path = os.path.join( path, REPO_NAME_LOC )
+			if os.path.exists( repo_name_path ):
+				try:
+					repo_name = open( repo_name_path ,'r').readline().strip()
+					self.treemap[repo_name] = path
+				except (OSError,IOError):
+					pass
 		
 		self.auxdbmodule  = self.mysettings.load_best_module("portdbapi.auxdbmodule")
 		self.auxdb        = {}
diff --git a/pym/portage_news.py b/pym/portage_news.py
index ea804f31b..736ce3fdc 100644
--- a/pym/portage_news.py
+++ b/pym/portage_news.py
@@ -163,21 +163,14 @@ class NewsItem(object):
 			#will never match
 			if not line.startswith("D"):
 				continue
-			match = _installedRE.match( line )
-			if match:
-				self.restrictions.append( 
-					DisplayInstalledRestriction( match.groups()[0].strip().rstrip() ) )
-				continue
-			match = _profileRE.match( line )
-			if match:
-				self.restrictions.append(
-					DisplayProfileRestriction( match.groups()[0].strip().rstrip() ) )
-				continue
-			match = _keywordRE.match( line )
-			if match:
-				self.restrictions.append(
-					DisplayKeywordRestriction( match.groups()[0].strip().rstrip() ) )
-				continue
+			restricts = {  _installedRE : DisplayInstalledRestriction,
+					_profileRE : DisplayProfileRestriction,
+					_keywordRE : DisplayKeywordRestriction }
+			for regex, restriction in restricts.iteritems():
+				match = regex.match(line)
+				if match:
+					self.restrictions.append( restriction( match.groups()[0].strip() ) )
+					continue
 		self._parsed = True
 
 	def __getattr__( self, attr ):
-- 
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