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# Copyright 2010-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
__all__ = ["getmaskingstatus"]
import portage
from portage import eapi_is_supported, _eapi_is_deprecated
from portage.exception import InvalidDependString
from portage.localization import _
from portage.package.ebuild.config import config
from portage.versions import _pkg_str
class _UnmaskHint:
__slots__ = ("key", "value")
def __init__(self, key, value):
self.key = key
self.value = value
class _MaskReason:
__slots__ = ("category", "message", "unmask_hint")
def __init__(self, category, message, unmask_hint=None):
self.category = category
self.message = message
self.unmask_hint = unmask_hint
def getmaskingstatus(mycpv, settings=None, portdb=None, myrepo=None):
if settings is None:
settings = config(clone=portage.settings)
if portdb is None:
portdb = portage.portdb
return [
mreason.message
for mreason in _getmaskingstatus(mycpv, settings, portdb, myrepo)
]
def _getmaskingstatus(mycpv, settings, portdb, myrepo=None):
metadata = None
installed = False
if not isinstance(mycpv, str):
# emerge passed in a Package instance
pkg = mycpv
mycpv = pkg.cpv
metadata = pkg._metadata
installed = pkg.installed
if metadata is None:
db_keys = list(portdb._aux_cache_keys)
try:
metadata = dict(zip(db_keys, portdb.aux_get(mycpv, db_keys, myrepo=myrepo)))
except KeyError:
if not portdb.cpv_exists(mycpv):
raise
return [_MaskReason("corruption", "corruption")]
if "?" in metadata["LICENSE"]:
settings.setcpv(mycpv, mydb=metadata)
metadata["USE"] = settings["PORTAGE_USE"]
else:
metadata["USE"] = ""
try:
mycpv.slot
except AttributeError:
try:
mycpv = _pkg_str(mycpv, metadata=metadata, settings=settings)
except portage.exception.InvalidData:
raise ValueError(_("invalid CPV: %s") % mycpv)
rValue = []
# package.mask checking
if settings._getMaskAtom(mycpv, metadata):
rValue.append(
_MaskReason("package.mask", "package.mask", _UnmaskHint("p_mask", None))
)
# keywords checking
eapi = metadata["EAPI"]
mygroups = settings._getKeywords(mycpv, metadata)
licenses = metadata["LICENSE"]
properties = metadata["PROPERTIES"]
restrict = metadata["RESTRICT"]
if not eapi_is_supported(eapi):
return [_MaskReason("EAPI", "EAPI %s" % eapi)]
if _eapi_is_deprecated(eapi) and not installed:
return [_MaskReason("EAPI", "EAPI %s" % eapi)]
egroups = settings.configdict["backupenv"].get("ACCEPT_KEYWORDS", "").split()
global_accept_keywords = settings.get("ACCEPT_KEYWORDS", "")
pgroups = global_accept_keywords.split()
myarch = settings["ARCH"]
if pgroups and myarch not in pgroups:
"""For operating systems other than Linux, ARCH is not necessarily a
valid keyword."""
myarch = pgroups[0].lstrip("~")
# NOTE: This logic is copied from KeywordsManager.getMissingKeywords().
unmaskgroups = settings._keywords_manager.getPKeywords(
mycpv, metadata["SLOT"], metadata["repository"], global_accept_keywords
)
pgroups.extend(unmaskgroups)
if unmaskgroups or egroups:
pgroups = settings._keywords_manager._getEgroups(egroups, pgroups)
else:
pgroups = set(pgroups)
kmask = "missing"
kmask_hint = None
if "**" in pgroups:
kmask = None
else:
for keyword in pgroups:
if keyword in mygroups:
kmask = None
break
if kmask:
for gp in mygroups:
if gp == "*":
kmask = None
break
elif gp == "~*":
for x in pgroups:
if x[:1] == "~":
kmask = None
break
if kmask is None:
break
elif gp == "-" + myarch and myarch in pgroups:
kmask = "-" + myarch
break
elif gp == "~" + myarch and myarch in pgroups:
kmask = "~" + myarch
kmask_hint = _UnmaskHint("unstable keyword", kmask)
break
if kmask == "missing":
kmask_hint = _UnmaskHint("unstable keyword", "**")
try:
missing_licenses = settings._getMissingLicenses(mycpv, metadata)
if missing_licenses:
allowed_tokens = set(["||", "(", ")"])
allowed_tokens.update(missing_licenses)
license_split = licenses.split()
license_split = [x for x in license_split if x in allowed_tokens]
msg = license_split[:]
msg.append("license(s)")
rValue.append(
_MaskReason(
"LICENSE",
" ".join(msg),
_UnmaskHint("license", set(missing_licenses)),
)
)
except portage.exception.InvalidDependString as e:
rValue.append(_MaskReason("invalid", "LICENSE: " + str(e)))
try:
missing_properties = settings._getMissingProperties(mycpv, metadata)
if missing_properties:
allowed_tokens = set(["||", "(", ")"])
allowed_tokens.update(missing_properties)
properties_split = properties.split()
properties_split = [x for x in properties_split if x in allowed_tokens]
msg = properties_split[:]
msg.append("properties")
rValue.append(_MaskReason("PROPERTIES", " ".join(msg)))
except portage.exception.InvalidDependString as e:
rValue.append(_MaskReason("invalid", "PROPERTIES: " + str(e)))
try:
missing_restricts = settings._getMissingRestrict(mycpv, metadata)
if missing_restricts:
msg = list(missing_restricts)
msg.append("in RESTRICT")
rValue.append(_MaskReason("RESTRICT", " ".join(msg)))
except InvalidDependString as e:
rValue.append(_MaskReason("invalid", "RESTRICT: %s" % (e,)))
# Only show KEYWORDS masks for installed packages
# if they're not masked for any other reason.
if kmask and (not installed or not rValue):
rValue.append(
_MaskReason("KEYWORDS", kmask + " keyword", unmask_hint=kmask_hint)
)
return rValue
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