def new_from_file(cls, path, remote_url=False):
if not path or not os.path.isfile(path):
raise UnknownManifestError("Manifest file does not exist %s" %
path)
type_from_uri = ManifestFileType.from_uri(path)
if not type_from_uri:
raise UnknownManifestError("Unknown manifest file type %s" % path)
return ManifestParserFactory.new(cls.read_manifest_contents(path),
type_from_uri, remote_url)
def new( # pylint: disable=redefined-builtin
contents,
type,
remote_url=None,
package_dir=None):
for _, cls in globals().items():
if (inspect.isclass(cls) and issubclass(cls, BaseManifestParser)
and cls != BaseManifestParser
and cls.manifest_type == type):
return cls(contents, remote_url, package_dir)
raise UnknownManifestError("Unknown manifest file type %s" % type)
def new_from_archive(path):
assert path.endswith("tar.gz")
with tarfile.open(path, mode="r:gz") as tf:
for t in sorted(ManifestFileType.items().values()):
try:
return ManifestParserFactory.new(
tf.extractfile(t).read().decode(), t)
except KeyError:
pass
raise UnknownManifestError("Unknown manifest file type in %s archive" %
path)
def new_from_dir(cls, path, remote_url=None):
assert os.path.isdir(path), "Invalid directory %s" % path
type_from_uri = ManifestFileType.from_uri(
remote_url) if remote_url else None
if type_from_uri and os.path.isfile(os.path.join(path, type_from_uri)):
return ManifestParserFactory.new(
cls.read_manifest_contents(os.path.join(path, type_from_uri)),
type_from_uri,
remote_url=remote_url,
package_dir=path,
)
type_from_dir = ManifestFileType.from_dir(path)
if not type_from_dir:
raise UnknownManifestError(
"Unknown manifest file type in %s directory" % path)
return ManifestParserFactory.new(
cls.read_manifest_contents(os.path.join(path, type_from_dir)),
type_from_dir,
remote_url=remote_url,
package_dir=path,
)