1 files changed, 55 insertions, 0 deletions
diff --git a/portato/backend/portage/settings.py b/portato/backend/portage/settings.py
new file mode 100644
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+++ b/portato/backend/portage/settings.py
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+# -*- coding: utf-8 -*-
+#
+# File: portato/backend/portage/settings.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2006-2007 René 'Necoro' Neumann
+# This is free software.  You may redistribute copies of it under the terms of
+# the GNU General Public License version 2.
+# There is NO WARRANTY, to the extent permitted by law.
+#
+# Written by René 'Necoro' Neumann <necoro@necoro.net>
+
+import os
+import portage
+from threading import Lock
+
+class PortageSettings:
+	"""Encapsulation of the portage settings.
+	
+	@ivar settings: portage settings
+	@ivar settingslock: a simple Lock
+	@ivar trees: a dictionary of the trees
+	@ivar porttree: shortcut to C{trees[root]["porttree"]}
+	@ivar vartree: shortcut to C{trees[root]["vartree"]}
+	@ivar virtuals: shortcut to C{trees[root]["virtuals"]}"""
+
+	def __init__ (self):
+		"""Initializes the instance. Calls L{load()}."""
+		self.settingslock = Lock()
+		self.load()
+		
+	def load(self):
+		"""(Re)loads the portage settings and sets the variables."""
+
+		kwargs = {}
+		for k, envvar in (("config_root", "PORTAGE_CONFIGROOT"), ("target_root", "ROOT")):
+			kwargs[k] = os.environ.get(envvar, None)
+		self.trees = portage.create_trees(trees=None, **kwargs)
+
+		self.settings = self.trees["/"]["vartree"].settings
+
+		for myroot in self.trees:
+			if myroot != "/":
+				self.settings = self.trees[myroot]["vartree"].settings
+				break
+
+		self.settings.unlock()
+
+		root = self.settings["ROOT"]
+
+		self.porttree = self.trees[root]["porttree"]
+		self.vartree  = self.trees[root]["vartree"]
+		self.virtuals = self.trees[root]["virtuals"]
+		
+		portage.settings = None # we use our own one ...