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# -*- coding:utf-8 -*-
def _gen_arches(ebuild, options, repo_settings, profiles):
'''Determines the arches for the ebuild following the profile rules
@param ebuild: Ebuild which we check (object).
@param profiles: dictionary
@param options: cli options
@param repo_settings: repository settings instance
@returns: dictionary, including arches set
'''
if options.ignore_arches:
arches = [[
repo_settings.repoman_settings["ARCH"], repo_settings.repoman_settings["ARCH"],
repo_settings.repoman_settings["ACCEPT_KEYWORDS"].split()]]
else:
arches = set()
for keyword in ebuild.keywords:
if keyword[0] == "-":
continue
elif keyword[0] == "~":
arch = keyword[1:]
if arch == "*":
for expanded_arch in profiles:
if expanded_arch == "**":
continue
arches.add(
(keyword, expanded_arch, (
expanded_arch, "~" + expanded_arch)))
else:
arches.add((keyword, arch, (arch, keyword)))
else:
# For ebuilds with stable keywords, check if the
# dependencies are satisfiable for unstable
# configurations, since use.stable.mask is not
# applied for unstable configurations (see bug
# 563546).
if keyword == "*":
for expanded_arch in profiles:
if expanded_arch == "**":
continue
arches.add(
(keyword, expanded_arch, (expanded_arch,)))
arches.add(
(keyword, expanded_arch,
(expanded_arch, "~" + expanded_arch)))
else:
arches.add((keyword, keyword, (keyword,)))
arches.add((keyword, keyword,
(keyword, "~" + keyword)))
if not arches:
# Use an empty profile for checking dependencies of
# packages that have empty KEYWORDS.
arches.add(('**', '**', ('**',)))
return arches
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