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# -*- coding:utf-8 -*-
'''use_flags.py
Performs USE flag related checks
'''
# import our centrally initialized portage instance
from repoman._portage import portage
from portage import eapi
from portage.eapi import eapi_has_iuse_defaults, eapi_has_required_use
class USEFlagChecks(object):
'''Performs checks on USE flags listed in the ebuilds and metadata.xml'''
def __init__(self, **kwargs):
'''Class init
@param qatracker: QATracker instance
@param globalUseFlags: Global USE flags
'''
super(USEFlagChecks, self).__init__()
self.qatracker = None
self.globalUseFlags = None
self.useFlags = []
self.defaultUseFlags = []
self.usedUseFlags = set()
def check_useflags(self, **kwargs):
'''Perform the check.
@param pkg: Package in which we check (object).
@param xpkg: Package in which we check (string).
@param ebuild: Ebuild which we check (object).
@param y_ebuild: Ebuild which we check (string).
@returns: dictionary, including {ebuild_UsedUseFlags, used_useflags}
'''
pkg = kwargs.get('pkg').get()
package = kwargs.get('xpkg')
ebuild = kwargs.get('ebuild').get()
y_ebuild = kwargs.get('y_ebuild')
# reset state variables for the run
self.useFlags = []
self.defaultUseFlags = []
# perform the checks
self._checkGlobal(pkg)
self._checkMetadata(package, ebuild, y_ebuild, self.muselist)
self._checkRequiredUSE(pkg, ebuild)
return False
def _checkGlobal(self, pkg):
for myflag in pkg._metadata["IUSE"].split():
flag_name = myflag.lstrip("+-")
self.usedUseFlags.add(flag_name)
if myflag != flag_name:
self.defaultUseFlags.append(myflag)
if flag_name not in self.globalUseFlags:
self.useFlags.append(flag_name)
def _checkMetadata(self, package, ebuild, y_ebuild, localUseFlags):
for mypos in range(len(self.useFlags) - 1, -1, -1):
if self.useFlags[mypos] and (self.useFlags[mypos] in localUseFlags):
del self.useFlags[mypos]
if self.defaultUseFlags and not eapi_has_iuse_defaults(eapi):
for myflag in self.defaultUseFlags:
self.qatracker.add_error(
'EAPI.incompatible', "%s: IUSE defaults"
" not supported with EAPI='%s': '%s'" % (
ebuild.relative_path, eapi, myflag))
for mypos in range(len(self.useFlags)):
self.qatracker.add_error(
"IUSE.invalid",
"%s/%s.ebuild: %s" % (package, y_ebuild, self.useFlags[mypos]))
def _checkRequiredUSE(self, pkg, ebuild):
required_use = pkg._metadata["REQUIRED_USE"]
if required_use:
if not eapi_has_required_use(eapi):
self.qatracker.add_error(
'EAPI.incompatible', "%s: REQUIRED_USE"
" not supported with EAPI='%s'"
% (ebuild.relative_path, eapi,))
try:
portage.dep.check_required_use(
required_use, (), pkg.iuse.is_valid_flag, eapi=eapi)
except portage.exception.InvalidDependString as e:
self.qatracker.add_error(
"REQUIRED_USE.syntax",
"%s: REQUIRED_USE: %s" % (ebuild.relative_path, e))
del e
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