def _get_provides_from_rpm(self, pkg):
"""Gets the package provides from YumPackage.
:param pkg: the YumPackage Instance
:return: list of PackageRelation objects
"""
provides = self._parse_package_relations(pkg.provides)
append = provides.append
for filename in pkg.returnFileEntries('file', True):
append(PackageRelation(filename))
return provides
def _parse_package_relations(relations):
"""Parses yum package relations.
:param relations: list of tuples
(name, flags, (epoch, version, release))
:return: list of PackageRelation objects
"""
return [
PackageRelation(
x[0],
VersionRange(_OPERATORS_MAPPING[x[1]], x[1]
and RpmPackageVersion(*x[2]))) for x in relations
]
def _get_provides_from_xml(self, pkg_tag):
"""Gets the package provides from package tag.
Tag provides contains virtual packages.
Tag files contains binary files that is provided by package.
:param pkg_tag: the xml-tag with package description
:return: list of PackageRelation objects
"""
provides = self._get_relations(pkg_tag, "provides")
files_iter = pkg_tag.iterfind("./main:format/main:file", _NAMESPACES)
append = provides.append
for file_tag in files_iter:
append(PackageRelation(file_tag.text))
return provides
