diff options
Diffstat (limited to 'portato/backend/__init__.py')
| -rw-r--r-- | portato/backend/__init__.py | 75 |
1 files changed, 20 insertions, 55 deletions
diff --git a/portato/backend/__init__.py b/portato/backend/__init__.py index a72923b..83ee1d6 100644 --- a/portato/backend/__init__.py +++ b/portato/backend/__init__.py @@ -10,67 +10,32 @@ # # Written by René 'Necoro' Neumann <necoro@necoro.net> -import os -from threading import Lock +from system_interface import SystemInterface -# import portage -import portage +SYSTEM = "portage" +_sys = None -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"]}""" +class SystemWrapper (object, SystemInterface): + def __getattribute__ (self, name): + global _sys + return eval ("_sys.%s" % name) - 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.""" +def set_system (new_sys): + global SYSTEM + SYSTEM = new_sys + load_system() - 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) +def load_system (): + global _sys - self.settings = self.trees["/"]["vartree"].settings + if SYSTEM == "portage": + from portato.backend.portage import PortageSystem + _sys = PortageSystem () - for myroot in self.trees: - if myroot != "/": - self.settings = self.trees[myroot]["vartree"].settings - break +system = SystemWrapper() - 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 ... - -# portage tree vars -portage_settings = PortageSettings() - -# for the moment ;) -settingslock = portage_settings.settingslock -settings = portage_settings.settings -trees = portage_settings.trees -porttree = portage_settings.porttree -vartree = portage_settings.vartree -virtuals = portage_settings.virtuals +from exceptions import * +from package import Package -# this is set to "var/lib/portage/world" by default - so we add the leading / -portage.WORLD_FILE = portage_settings.settings["ROOT"]+portage.WORLD_FILE +load_system() -# import our packages -from exceptions import * -from package import * -from portage_helper import * |