From 656ccc792ac634338e92a6ff620292311029f4d5 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Thu, 3 Aug 2006 02:27:47 +0000
Subject: Use a recursive function to simplify the walking of the profile
 paths.  The number of parent profiles is constrained to 1 but could easily be
 extended to allow multiple inheritence.

svn path=/main/trunk/; revision=4091
---
 pym/portage.py | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

(limited to 'pym')

diff --git a/pym/portage.py b/pym/portage.py
index 7aef151e0..feb431dab 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -886,23 +886,26 @@ class config:
 			if self.profile_path is None:
 				self.profiles = []
 			else:
-				self.profiles = [os.path.realpath(self.profile_path)]
-				mypath = self.profiles[0]
-				while os.path.exists(os.path.join(mypath, "parent")):
-					parents_file = os.path.join(mypath, "parent")
-					parents = grabfile(parents_file)
-					if len(parents) != 1:
-						raise portage_exception.ParseError(
-							"Expected 1 parent and got %i: '%s'" % \
-							(len(parents), parents_file))
-					mypath = normalize_path(os.path.join(
-						mypath, parents[0]))
-					if os.path.exists(mypath):
-						self.profiles.insert(0, mypath)
-					else:
-						raise portage_exception.ParseError(
-							"Specified parent not found: '%s'" %  parents_file)
-
+				self.profiles = []
+				def addProfile(currentPath):
+					parentsFile = os.path.join(currentPath, "parent")
+					if os.path.exists(parentsFile):
+						parents = grabfile(parentsFile)
+						if len(parents) != 1:
+							raise portage_exception.ParseError(
+								"Expected 1 parent and got %i: '%s'" % \
+								(len(parents), parents_file))
+						for parentPath in parents:
+							parentPath = normalize_path(os.path.join(
+								currentPath, parentPath))
+							if os.path.exists(parentPath):
+								addProfile(parentPath)
+							else:
+								raise portage_exception.ParseError(
+									"Parent '%s' not found: '%s'" %  \
+									(parentPath, parentsFile))
+					self.profiles.append(currentPath)
+				addProfile(os.path.realpath(self.profile_path))
 			if os.environ.has_key("PORTAGE_CALLER") and os.environ["PORTAGE_CALLER"] == "repoman":
 				pass
 			else:
-- 
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