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-rw-r--r--portato/backend/__init__.py19
-rw-r--r--portato/backend/package.py14
-rw-r--r--portato/backend/portage_helper.py30
3 files changed, 38 insertions, 25 deletions
diff --git a/portato/backend/__init__.py b/portato/backend/__init__.py
index 5ee2e2a..1e7066f 100644
--- a/portato/backend/__init__.py
+++ b/portato/backend/__init__.py
@@ -3,7 +3,7 @@
# File: portato/backend/__init__.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
-# Copyright (C) 2006 René 'Necoro' Neumann
+# 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.
@@ -17,12 +17,23 @@ from threading import Lock
import portage
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)
@@ -42,10 +53,13 @@ class PortageSettings:
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
@@ -54,8 +68,7 @@ vartree = portage_settings.vartree
virtuals = portage_settings.virtuals
# this is set to "var/lib/portage/world" by default - so we add the leading /
-portage.WORLD_FILE = portage.settings["ROOT"]+portage.WORLD_FILE
-portage.settings = None # we use our own one ...
+portage.WORLD_FILE = portage_settings.settings["ROOT"]+portage.WORLD_FILE
# import our packages
from exceptions import *
diff --git a/portato/backend/package.py b/portato/backend/package.py
index 8aa1216..15dd59a 100644
--- a/portato/backend/package.py
+++ b/portato/backend/package.py
@@ -3,7 +3,7 @@
# File: portato/backend/package.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
-# Copyright (C) 2006 René 'Necoro' Neumann
+# 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.
@@ -52,11 +52,15 @@ class Package:
self._status = None
def is_installed(self):
- """Returns true if this package is installed (merged)"""
+ """Returns true if this package is installed (merged)
+ @rtype: boolean"""
+
return portage_settings.vartree.dbapi.cpv_exists(self._cpv)
def is_overlay(self):
- """Returns true if the package is in an overlay."""
+ """Returns true if the package is in an overlay.
+ @rtype: boolean"""
+
dir,ovl = portage_settings.porttree.dbapi.findname2(self._cpv)
return ovl != self._settings["PORTDIR"]
@@ -192,8 +196,8 @@ class Package:
i_flags = self.get_installed_use_flags()
for f in self.get_new_use_flags():
- if flags.invert_flag(f) in i_flags:
- i_flags.remove(flags.invert_flag(f))
+ if flags.invert_use_flag(f) in i_flags:
+ i_flags.remove(flags.invert_use_flag(f))
elif f not in i_flags:
i_flags.append(f)
diff --git a/portato/backend/portage_helper.py b/portato/backend/portage_helper.py
index 188d512..7fc6c34 100644
--- a/portato/backend/portage_helper.py
+++ b/portato/backend/portage_helper.py
@@ -3,7 +3,7 @@
# File: portato/backend/portage_helper.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
-# Copyright (C) 2006 René 'Necoro' Neumann
+# 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.
@@ -36,7 +36,7 @@ def find_lambda (name):
return lambda x: True
def geneticize_list (list_of_packages):
- """Convertes a list of gentoolkit.Packages into L{backend.Package}s.
+ """Convertes a list of cpv's into L{backend.Package}s.
@param list_of_packages: the list of packages
@type list_of_packages: list of gentoolkit.Packages
@@ -46,7 +46,13 @@ def geneticize_list (list_of_packages):
return [package.Package(x) for x in list_of_packages]
def find_best (list):
+ """Returns the best package out of a list of packages.
+ @param list: the list of packages to select from
+ @type list: string[]
+ @returns: the best package
+ @rtype: backend.Package"""
+
return package.Package(portage.best(list))
def find_best_match (search_key, only_installed = False):
@@ -311,27 +317,18 @@ def update_world (newuse = False, deep = False):
packages = []
for line in world:
line = line.strip()
- if not len(line): continue # empty line
- if line[0] == "#": continue
+ if len(line) == 0: continue # empty line
+ if line[0] == "#": continue # comment
packages.append(line)
world.close()
+ # append system packages
sys = portage_settings.settings.packages
for x in sys:
- if x[0] == "*":
+ if x[0] == "*": # some packages are stored with a '*' at the front - ignore it
x = x[1:]
packages.append(x.strip())
- # Remove everything that is package.provided from our list
- # This is copied from emerge.getlist()
- #for atom in packages[:]:
- # for expanded_atom in portage.flatten(portage.dep_virtual([atom], settings)):
- # mykey = portage.dep_getkey(expanded_atom)
- # if mykey in settings.pprovideddict and portage.match_from_list(expanded_atom, settings.pprovideddict[mykey]):
- # packages.remove(atom)
- # break
-
-
def get_new_packages (packages):
new_packages = []
for p in packages:
@@ -352,7 +349,6 @@ def update_world (newuse = False, deep = False):
return new_packages
-
checked = []
updating = []
raw_checked = []
@@ -380,7 +376,7 @@ def update_world (newuse = False, deep = False):
appended = True
p = old
- if newuse and p.is_in_system(): # there is no use to check newuse for a package which is not existing anymore in portage :)
+ if newuse and p.is_in_system(): # there is no use to check newuse for a package which is not existing in portage anymore :)
new_iuse = set(p.get_all_use_flags(installed = False)) # IUSE in the ebuild
old_iuse = set(p.get_all_use_flags(installed = True)) # IUSE in the vardb