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# -*- coding: utf-8 -*-
#
# File: portato/backend/portage/package.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>
from portato.helper import *
from portato.backend.exceptions import *
from portato.backend import flags, Package, system
import portage, portage_dep
from portage_util import unique_array
import os.path
class PortagePackage (Package):
"""This is a class abstracting a normal package which can be installed for the portage-system."""
def __init__ (self, cpv):
"""Constructor.
@param cpv: The cpv which describes the package to create.
@type cpv: string (cat/pkg-ver)"""
Package.__init__(self, cpv)
self._settings = system.settings
self._settingslock = system.settings.settingslock
self._trees = system.settings.trees
self.forced_flags = set()
self.forced_flags.update(self._settings.settings.usemask)
self.forced_flags.update(self._settings.settings.useforce)
try:
self._status = portage.getmaskingstatus(self.get_cpv(), settings = self._settings.settings)
except KeyError: # package is not located in the system
self._status = None
def is_installed(self):
return self._settings.vartree.dbapi.cpv_exists(self._cpv)
def is_overlay(self):
dir,ovl = self._settings.porttree.dbapi.findname2(self._cpv)
return ovl != self._settings.settings["PORTDIR"]
def is_in_system (self):
return (self._status != None)
def is_missing_keyword(self):
if self._status and "missing keyword" in self._status:
return True
return False
def is_testing(self, use_keywords = False):
testArch = "~" + self.get_global_settings("ARCH")
if not use_keywords: # keywords are NOT taken into account
if testArch in self.get_package_settings("KEYWORDS").split():
return True
return False
else: # keywords are taken into account
status = flags.new_testing_status(self.get_cpv())
if status is None: # we haven't changed it in any way
if self._status and testArch+" keyword" in self._status:
return True
return False
else:
return status
def is_masked (self, use_changed = True):
if use_changed:
status = flags.new_masking_status(self.get_cpv())
if status != None: # we have locally changed it
if status == "masked": return True
elif status == "unmasked": return False
else:
debug("BUG in flags.new_masking_status. It returns",status)
else: # we have not touched the status
if self._status and ("profile" in self._status or "package.mask" in self._status):
return True
return False
else:
try:
masked = self._settings.settings.pmaskdict[self.get_cp()]
except KeyError: # key error: not masked
return False
for cpv in masked:
if self.matches(cpv):
return True
return False
def get_all_use_flags (self, installed = False):
if installed or not self.is_in_system():
tree = self._settings.vartree
else:
tree = self._settings.porttree
return list(set(self.get_package_settings("IUSE", tree = tree).split()).difference(self.forced_flags))
def get_matched_dep_packages (self, depvar):
# change the useflags, because we have internally changed some, but not made them visible for portage
newUseFlags = self.get_new_use_flags()
actual = self.get_global_settings("USE").split()
if newUseFlags:
for u in newUseFlags:
if u[0] == "-" and flags.invert_use_flag(u) in actual:
actual.remove(flags.invert_use_flag(u))
elif u not in actual:
actual.append(u)
depstring = ""
for d in depvar:
depstring += self.get_package_settings(d)+" "
portage_dep._dep_check_strict = False
deps = portage.dep_check(depstring, None, self._settings.settings, myuse = actual, trees = self._trees)
portage_dep._dep_check_strict = True
if not deps: # FIXME: what is the difference to [1, []] ?
return []
if deps[0] == 0: # error
raise DependencyCalcError, deps[1]
deps = deps[1]
retlist = []
for d in deps:
if not d[0] == "!":
retlist.append(d)
return retlist
def get_dep_packages (self, depvar = ["RDEPEND", "PDEPEND", "DEPEND"]):
dep_pkgs = [] # the package list
# change the useflags, because we have internally changed some, but not made them visible for portage
newUseFlags = self.get_new_use_flags()
actual = self.get_global_settings("USE").split()
if newUseFlags:
for u in newUseFlags:
if u[0] == "-" and flags.invert_use_flag(u) in actual:
actual.remove(flags.invert_use_flag(u))
elif u not in actual:
actual.append(u)
depstring = ""
for d in depvar:
depstring += self.get_package_settings(d, tree=self._settings.porttree)+" "
# let portage do the main stuff ;)
# pay attention to any changes here
deps = portage.dep_check (depstring, self._settings.vartree.dbapi, self._settings.settings, myuse = actual, trees = self._trees)
if not deps: # FIXME: what is the difference to [1, []] ?
return []
if deps[0] == 0: # error
raise DependencyCalcError, deps[1]
deps = deps[1]
for dep in deps:
if dep[0] == '!': # blocking sth
dep = dep[1:]
if dep != self.get_cp(): # not cpv, because a version might explicitly block another one
blocked = system.find_installed_packages(dep)
if blocked != []:
raise BlockedException, (self.get_cpv(), blocked[0].get_cpv())
continue # finished with the blocking one -> next
pkg = system.find_best_match(dep)
if not pkg: # try to find masked ones
list = system.find_packages(dep, masked = True)
if not list:
raise PackageNotFoundException, dep
list = system.sort_package_list(list)
done = False
for i in range(len(list)-1,0,-1):
p = list[i]
if not p.is_masked():
dep_pkgs.append(p.get_cpv())
done = True
break
if not done:
dep_pkgs.append(list[-1].get_cpv())
else:
dep_pkgs.append(pkg.get_cpv())
return dep_pkgs
def get_global_settings(self, key):
self._settingslock.acquire()
self._settings.settings.setcpv(self._cpv)
v = self._settings.settings[key]
self._settingslock.release()
return v
def get_ebuild_path(self):
return self._settings.porttree.dbapi.findname(self._cpv)
def get_package_settings(self, var, tree = None):
if not tree:
mytree = self._settings.vartree
if not self.is_installed():
mytree = self._settings.porttree
else:
mytree = tree
r = mytree.dbapi.aux_get(self._cpv,[var])
return r[0]
def get_use_flags(self):
if self.is_installed():
return self.get_package_settings("USE", tree = self._settings.vartree)
else: return ""
def compare_version(self,other):
v1 = self._scpv
v2 = portage.catpkgsplit(other.get_cpv())
# if category is different
if v1[0] != v2[0]:
return cmp(v1[0],v2[0])
# if name is different
elif v1[1] != v2[1]:
return cmp(v1[1],v2[1])
# Compare versions
else:
return portage.pkgcmp(v1[1:],v2[1:])
def matches (self, criterion):
if portage.match_from_list(criterion, [self.get_cpv()]) == []:
return False
else:
return True
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