def _package_is_installed(prefix, spec):
spec = MatchSpec(spec)
prefix_recs = tuple(PrefixData(prefix).query(spec))
if len(prefix_recs) > 1:
raise AssertionError("Multiple packages installed.%s" %
(dashlist(prec.dist_str()
for prec in prefix_recs)))
return bool(len(prefix_recs))
def merge(cls, match_specs):
match_specs = tuple(cls(s) for s in match_specs if s)
name_groups = groupby(attrgetter('name'), match_specs)
unmergeable = name_groups.pop('*', []) + name_groups.pop(None, [])
merged_specs = []
mergeable_groups = tuple(concat(
itervalues(groupby(lambda s: s.optional, group))
for group in itervalues(name_groups)
))
for group in mergeable_groups:
target_groups = groupby(attrgetter('target'), group)
target_groups.pop(None, None)
if len(target_groups) > 1:
raise ValueError("Incompatible MatchSpec merge:%s" % dashlist(group))
merged_specs.append(
reduce(lambda x, y: x._merge(y), group) if len(group) > 1 else group[0]
)
return tuple(concatv(merged_specs, unmergeable))
def package_is_installed(prefix, spec, pip=None):
spec = MatchSpec(spec)
prefix_recs = tuple(PrefixData(prefix, pip_interop_enabled=pip).query(spec))
if len(prefix_recs) > 1:
raise AssertionError("Multiple packages installed.%s"
% (dashlist(prec.dist_str() for prec in prefix_recs)))
is_installed = bool(len(prefix_recs))
if is_installed and pip is True:
assert prefix_recs[0].package_type in (
PackageType.VIRTUAL_PYTHON_WHEEL,
PackageType.VIRTUAL_PYTHON_EGG_MANAGEABLE,
PackageType.VIRTUAL_PYTHON_EGG_UNMANAGEABLE,
PackageType.VIRTUAL_PYTHON_EGG_LINK,
)
if is_installed and pip is False:
assert prefix_recs[0].package_type in (
None,
PackageType.NOARCH_GENERIC,
PackageType.NOARCH_PYTHON,
)
return is_installed
def package_is_installed(prefix, spec, pip=None):
spec = MatchSpec(spec)
prefix_recs = tuple(PrefixData(prefix).query(spec))
if len(prefix_recs) > 1:
raise AssertionError("Multiple packages installed.%s"
% (dashlist(prec.dist_str() for prec in prefix_recs)))
is_installed = bool(len(prefix_recs))
if is_installed and pip is True:
assert prefix_recs[0].package_type in (
PackageType.SHADOW_PYTHON_DIST_INFO,
PackageType.SHADOW_PYTHON_EGG_INFO_DIR,
PackageType.SHADOW_PYTHON_EGG_INFO_FILE,
PackageType.SHADOW_PYTHON_EGG_LINK,
)
if is_installed and pip is False:
assert prefix_recs[0].package_type in (
None,
PackageType.NOARCH_GENERIC,
PackageType.NOARCH_PYTHON,
)
return is_installed
def package_is_installed(prefix, spec, pip=None):
spec = MatchSpec(spec)
prefix_recs = tuple(PrefixData(prefix, pip_interop_enabled=pip).query(spec))
if len(prefix_recs) > 1:
raise AssertionError("Multiple packages installed.%s"
% (dashlist(prec.dist_str() for prec in prefix_recs)))
is_installed = bool(len(prefix_recs))
if is_installed and pip is True:
assert prefix_recs[0].package_type in (
PackageType.VIRTUAL_PYTHON_WHEEL,
PackageType.VIRTUAL_PYTHON_EGG_MANAGEABLE,
PackageType.VIRTUAL_PYTHON_EGG_UNMANAGEABLE,
PackageType.VIRTUAL_PYTHON_EGG_LINK,
)
if is_installed and pip is False:
assert prefix_recs[0].package_type in (
None,
PackageType.NOARCH_GENERIC,
PackageType.NOARCH_PYTHON,
)
return is_installed
