From 7cf1e23b2debfa1a09c98d5cc6a795cc3e58ea95 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 26 Sep 2012 13:55:00 -0700
Subject: [PATCH] UseManager: /etc/portage/profile extended syntax

If /etc/portage/profile/eapi does not exist, then support extended atom
syntax. This will fix bug #436330.
---
 .../ebuild/_config/LocationsManager.py        |  7 ++++---
 .../package/ebuild/_config/UseManager.py      | 20 ++++++++++++++-----
 pym/portage/util/__init__.py                  | 16 ++++++++++-----
 3 files changed, 30 insertions(+), 13 deletions(-)

diff --git a/pym/portage/package/ebuild/_config/LocationsManager.py b/pym/portage/package/ebuild/_config/LocationsManager.py
index 0149ad8ec..c3099d73f 100644
--- a/pym/portage/package/ebuild/_config/LocationsManager.py
+++ b/pym/portage/package/ebuild/_config/LocationsManager.py
@@ -28,7 +28,7 @@ _PORTAGE1_DIRECTORIES = frozenset([
 	'use.mask', 'use.force'])
 
 _profile_node = collections.namedtuple('_profile_node',
-	'location portage1_directories')
+	'location portage1_directories user_config')
 
 _allow_parent_colon = frozenset(
 	["portage-2"])
@@ -112,7 +112,8 @@ class LocationsManager(object):
 			if os.path.exists(custom_prof):
 				self.user_profile_dir = custom_prof
 				self.profiles.append(custom_prof)
-				self.profiles_complex.append(_profile_node(custom_prof, True))
+				self.profiles_complex.append(
+					_profile_node(custom_prof, True, True))
 			del custom_prof
 
 		self.profiles = tuple(self.profiles)
@@ -210,7 +211,7 @@ class LocationsManager(object):
 
 		self.profiles.append(currentPath)
 		self.profiles_complex.append(
-			_profile_node(currentPath, allow_directories))
+			_profile_node(currentPath, allow_directories, False))
 
 	def _expand_parent_colon(self, parentsFile, parentPath,
 		repo_loc, repositories):
diff --git a/pym/portage/package/ebuild/_config/UseManager.py b/pym/portage/package/ebuild/_config/UseManager.py
index bff2a7105..cd67ced93 100644
--- a/pym/portage/package/ebuild/_config/UseManager.py
+++ b/pym/portage/package/ebuild/_config/UseManager.py
@@ -121,12 +121,21 @@ class UseManager(object):
 				ret.append(prefixed_useflag)
 		return tuple(ret)
 
-	def _parse_file_to_dict(self, file_name, juststrings=False, recursive=True, eapi_filter=None):
+	def _parse_file_to_dict(self, file_name, juststrings=False, recursive=True,
+		eapi_filter=None, user_config=False):
 		ret = {}
 		location_dict = {}
-		file_dict = grabdict_package(file_name, recursive=recursive, verify_eapi=True)
-		eapi = read_corresponding_eapi_file(file_name)
-		if eapi_filter is not None and not eapi_filter(eapi):
+		eapi = read_corresponding_eapi_file(file_name, default=None)
+		if eapi is None and not user_config:
+			eapi = "0"
+		if eapi is None:
+			ret = ExtendedAtomDict(dict)
+		else:
+			ret = {}
+		file_dict = grabdict_package(file_name, recursive=recursive,
+			allow_wildcard=(eapi is None), allow_repo=(eapi is None),
+			verify_eapi=(eapi is not None))
+		if eapi is not None and eapi_filter is not None and not eapi_filter(eapi):
 			if file_dict:
 				writemsg(_("--- EAPI '%s' does not support '%s': '%s'\n") %
 					(eapi, os.path.basename(file_name), file_name),
@@ -187,7 +196,8 @@ class UseManager(object):
 		juststrings=False, eapi_filter=None):
 		return tuple(self._parse_file_to_dict(
 			os.path.join(profile.location, file_name), juststrings,
-			recursive=profile.portage1_directories, eapi_filter=eapi_filter)
+			recursive=profile.portage1_directories, eapi_filter=eapi_filter,
+			user_config=profile.user_config)
 			for profile in locations)
 
 	def getUseMask(self, pkg=None):
diff --git a/pym/portage/util/__init__.py b/pym/portage/util/__init__.py
index e84958aa5..c148a739d 100644
--- a/pym/portage/util/__init__.py
+++ b/pym/portage/util/__init__.py
@@ -381,17 +381,22 @@ def grabdict(myfilename, juststrings=0, empty=0, recursive=0, incremental=1):
 
 _eapi_cache = {}
 
-def read_corresponding_eapi_file(filename):
+def read_corresponding_eapi_file(filename, default="0"):
 	"""
 	Read the 'eapi' file from the directory 'filename' is in.
 	Returns "0" if the file is not present or invalid.
 	"""
-	default = "0"
 	eapi_file = os.path.join(os.path.dirname(filename), "eapi")
 	try:
-		return _eapi_cache[eapi_file]
+		eapi = _eapi_cache[eapi_file]
 	except KeyError:
 		pass
+	else:
+		if eapi is None:
+			return default
+		return eapi
+
+	eapi = None
 	try:
 		f = io.open(_unicode_encode(eapi_file,
 			encoding=_encodings['fs'], errors='strict'),
@@ -402,12 +407,13 @@ def read_corresponding_eapi_file(filename):
 		else:
 			writemsg(_("--- Invalid 'eapi' file (doesn't contain exactly one line): %s\n") % (eapi_file),
 				noiselevel=-1)
-			eapi = default
 		f.close()
 	except IOError:
-		eapi = default
+		pass
 
 	_eapi_cache[eapi_file] = eapi
+	if eapi is None:
+		return default
 	return eapi
 
 def grabdict_package(myfilename, juststrings=0, recursive=0, allow_wildcard=False, allow_repo=False,
-- 
2.26.2