def extract(path: str) -> ExtractedMetadata:
if not path.endswith('.metainfo.xml'):
raise _errors.UnhandledFileError(path, 'appstream')
try:
tree = ElementTree().parse(path)
except ParseError as e:
raise _errors.AppstreamFileParseError(path) from e
summary = None
node = tree.find('summary')
if node is not None:
summary = node.text
description = None
node = tree.find('description')
if node is not None:
description = node.text
return ExtractedMetadata(summary=summary, description=description)
def extract(path: str) -> ExtractedMetadata:
if (not path.endswith('.metainfo.xml')
and not path.endswith('.appdata.xml')):
raise _errors.UnhandledFileError(path, 'appstream')
try:
tree = ElementTree().parse(path)
except ParseError as e:
raise _errors.AppstreamFileParseError(path) from e
summary = None
node = tree.find('summary')
if node is not None:
summary = node.text.strip()
description = None
node = tree.find('description')
if node is not None:
description = node.text.strip()
icon = None
node = tree.find('icon')
if (node is not None and 'type' in node.attrib
and node.attrib['type'] == 'local'):
# TODO Currently we only support local icons.
# See bug https://bugs.launchpad.net/snapcraft/+bug/1742348
# for supporting remote icons.
# --elopio -20180109
icon = node.text.strip()
desktop_file_ids = []
nodes = tree.findall('launchable')
for node in nodes:
if ('type' in node.attrib and node.attrib['type'] == 'desktop-id'):
desktop_file_ids.append(node.text.strip())
return ExtractedMetadata(summary=summary,
description=description,
icon=icon,
desktop_file_ids=desktop_file_ids)
def extract(path: str) -> ExtractedMetadata:
if not path.endswith(".metainfo.xml") and not path.endswith(".appdata.xml"):
raise _errors.UnhandledFileError(path, "appstream")
try:
tree = ElementTree().parse(path)
except ParseError as e:
raise _errors.AppstreamFileParseError(path) from e
common_id = _get_value_from_xml_element(tree, "id")
summary = _get_value_from_xml_element(tree, "summary")
description = _get_value_from_xml_element(tree, "description")
icon = None
node = tree.find("icon")
if node is not None and "type" in node.attrib and node.attrib["type"] == "local":
# TODO Currently we only support local icons.
# See bug https://bugs.launchpad.net/snapcraft/+bug/1742348
# for supporting remote icons.
# --elopio -20180109
icon = node.text.strip()
desktop_file_paths = []
nodes = tree.findall("launchable")
for node in nodes:
if "type" in node.attrib and node.attrib["type"] == "desktop-id":
desktop_file_id = node.text.strip()
desktop_file_path = _desktop_file_id_to_path(desktop_file_id)
if desktop_file_path:
desktop_file_paths.append(desktop_file_path)
return ExtractedMetadata(
common_id=common_id,
summary=summary,
description=description,
icon=icon,
desktop_file_paths=desktop_file_paths,
)
def _get_dom(path: str) -> lxml.etree.ElementTree:
try:
return lxml.etree.parse(path)
except lxml.etree.ParseError as e:
raise _errors.AppstreamFileParseError(path) from e