Move legacy globals code into a _legacy_globals module that's imported on

demand.

svn path=/main/trunk/; revision=15492

1 files changed, 87 insertions, 0 deletions

diff --git a/pym/portage/_legacy_globals.py b/pym/portage/_legacy_globals.py
new file mode 100644
index 000000000..432d8d84f
--- /dev/null
+++ b/pym/portage/_legacy_globals.py
@@ -0,0 +1,87 @@
+# Copyright 2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+import portage
+from portage import os
+from portage.const import CACHE_PATH, PROFILE_PATH
+
+_legacy_globals = {}
+
+def _get_legacy_global(name):
+	global _legacy_globals
+	target = _legacy_globals.get(name, _legacy_globals)
+	if target is not _legacy_globals:
+		return target
+
+	if name == 'portdb':
+		portage.portdb = portage.db[portage.root]["porttree"].dbapi
+		_legacy_globals[name] = portage.portdb
+		return _legacy_globals[name]
+	elif name in ('mtimedb', 'mtimedbfile'):
+		portage.mtimedbfile = os.path.join(portage.root,
+			CACHE_PATH, "mtimedb")
+		_legacy_globals['mtimedbfile'] = portage.mtimedbfile
+		portage.mtimedb = portage.MtimeDB(portage.mtimedbfile)
+		_legacy_globals['mtimedb'] = portage.mtimedb
+		return _legacy_globals[name]
+
+	# Portage needs to ensure a sane umask for the files it creates.
+	os.umask(0o22)
+
+	kwargs = {}
+	for k, envvar in (("config_root", "PORTAGE_CONFIGROOT"), ("target_root", "ROOT")):
+		kwargs[k] = os.environ.get(envvar, "/")
+
+	portage._initializing_globals = True
+	portage.db = portage.create_trees(**kwargs)
+	_legacy_globals['db'] = portage.db
+	del portage._initializing_globals
+
+	settings = portage.db["/"]["vartree"].settings
+
+	for root in portage.db:
+		if root != "/":
+			settings = portage.db[root]["vartree"].settings
+			break
+
+	portage.output._init(config_root=settings['PORTAGE_CONFIGROOT'])
+
+	portage.settings = settings
+	_legacy_globals['settings'] = settings
+
+	portage.root = root
+	_legacy_globals['root'] = root
+
+	# COMPATIBILITY
+	# These attributes should not be used within
+	# Portage under any circumstances.
+
+	portage.archlist = settings.archlist()
+	_legacy_globals['archlist'] = portage.archlist
+
+	portage.features = settings.features
+	_legacy_globals['features'] = portage.features
+
+	portage.groups = settings["ACCEPT_KEYWORDS"].split()
+	_legacy_globals['groups'] = portage.groups
+
+	portage.pkglines = settings.packages
+	_legacy_globals['pkglines'] = portage.pkglines
+
+	portage.selinux_enabled = settings.selinux_enabled()
+	_legacy_globals['selinux_enabled'] = portage.selinux_enabled
+
+	portage.thirdpartymirrors = settings.thirdpartymirrors()
+	_legacy_globals['thirdpartymirrors'] = portage.thirdpartymirrors
+
+	portage.usedefaults = settings.use_defs
+	_legacy_globals['usedefaults'] = portage.usedefaults
+
+	profiledir = os.path.join(settings["PORTAGE_CONFIGROOT"], PROFILE_PATH)
+	if not os.path.isdir(profiledir):
+		profiledir = None
+	portage.profiledir = profiledir
+	_legacy_globals['profiledir'] = portage.profiledir
+
+	return _legacy_globals[name]