| #!/usr/bin/python3 |
| import os |
| import xml.etree.ElementTree as ElementTree |
| |
| from urllib import request |
| |
| # See (https://developer.android.com/studio/build/dependencies#gmaven-access) |
| GMAVEN_BASE_URL = 'https://maven.google.com' |
| |
| URL_SEP = '/' |
| |
| class GMavenArtifact(object): |
| # A map from group:library to the latest available version |
| key_versions_map = {} |
| |
| def __init__(self, artifact_glob): |
| try: |
| (group, library, version, ext) = artifact_glob.split(':') |
| except ValueError: |
| raise ValueError(f'Error in {artifact_glob} expected: group:library:version:ext') |
| |
| if not group or not library or not version or not ext: |
| raise ValueError(f'Error in {artifact_glob} expected: group:library:version:ext') |
| |
| self.group = group |
| self.group_path = group.replace('.', '/') |
| self.library = library |
| self.key = f'{group}:{library}' |
| self.version = version |
| self.ext = ext |
| |
| def get_pom_file_url(self): |
| return maven_path_for_artifact( |
| GMAVEN_BASE_URL, self.group_path, self.library, self.version, 'pom', URL_SEP) |
| |
| def get_artifact_url(self): |
| return maven_path_for_artifact( |
| GMAVEN_BASE_URL, self.group_path, self.library, self.version, self.ext, URL_SEP) |
| |
| def get_latest_version(self): |
| latest_version = GMavenArtifact.key_versions_map[self.key] \ |
| if self.key in GMavenArtifact.key_versions_map else None |
| |
| if not latest_version: |
| print(f'Fetching latest version for {self.key}') |
| group_index_url = f'{GMAVEN_BASE_URL}/{self.group_path}/group-index.xml' |
| tree = ElementTree.parse(request.urlopen(group_index_url)) |
| root = tree.getroot() |
| libraries = root.findall('./*[@versions]') |
| for library in libraries: |
| key = f'{root.tag}:{library.tag}' |
| GMavenArtifact.key_versions_map[key] = library.get('versions').split(',')[-1] |
| latest_version = GMavenArtifact.key_versions_map[self.key] |
| return latest_version |
| |
| |
| class MavenLibraryInfo: |
| def __init__(self, key, group_id, artifact_id, version, artifact_dir, repo_dir, file): |
| self.key = key |
| self.group_id = group_id |
| self.artifact_id = artifact_id |
| self.version = version |
| self.dir = artifact_dir |
| self.repo_dir = repo_dir |
| self.file = file |
| |
| |
| def maven_path_for_artifact(base, group, library, version, ext, pathsep=os.pathsep): |
| return pathsep.join([base, group, library, version, f'{library}-{version}.{ext}']) |