| Anvesh Renikindi | 18680e6 | 2022-10-26 19:15:50 +0000 | [diff] [blame] | 1 | #!/usr/bin/python3 |
| 2 | import os |
| 3 | import xml.etree.ElementTree as ElementTree |
| 4 | |
| 5 | from urllib import request |
| 6 | |
| 7 | # See (https://developer.android.com/studio/build/dependencies#gmaven-access) |
| 8 | GMAVEN_BASE_URL = 'https://maven.google.com' |
| 9 | |
| 10 | URL_SEP = '/' |
| 11 | |
| 12 | class GMavenArtifact(object): |
| 13 | # A map from group:library to the latest available version |
| 14 | key_versions_map = {} |
| 15 | |
| 16 | def __init__(self, artifact_glob): |
| 17 | try: |
| 18 | (group, library, version, ext) = artifact_glob.split(':') |
| 19 | except ValueError: |
| 20 | raise ValueError(f'Error in {artifact_glob} expected: group:library:version:ext') |
| 21 | |
| 22 | if not group or not library or not version or not ext: |
| 23 | raise ValueError(f'Error in {artifact_glob} expected: group:library:version:ext') |
| 24 | |
| 25 | self.group = group |
| 26 | self.group_path = group.replace('.', '/') |
| 27 | self.library = library |
| 28 | self.key = f'{group}:{library}' |
| 29 | self.version = version |
| 30 | self.ext = ext |
| 31 | |
| 32 | def get_pom_file_url(self): |
| 33 | return maven_path_for_artifact( |
| 34 | GMAVEN_BASE_URL, self.group_path, self.library, self.version, 'pom', URL_SEP) |
| 35 | |
| 36 | def get_artifact_url(self): |
| 37 | return maven_path_for_artifact( |
| 38 | GMAVEN_BASE_URL, self.group_path, self.library, self.version, self.ext, URL_SEP) |
| 39 | |
| 40 | def get_latest_version(self): |
| 41 | latest_version = GMavenArtifact.key_versions_map[self.key] \ |
| 42 | if self.key in GMavenArtifact.key_versions_map else None |
| 43 | |
| 44 | if not latest_version: |
| 45 | print(f'Fetching latest version for {self.key}') |
| 46 | group_index_url = f'{GMAVEN_BASE_URL}/{self.group_path}/group-index.xml' |
| 47 | tree = ElementTree.parse(request.urlopen(group_index_url)) |
| 48 | root = tree.getroot() |
| 49 | libraries = root.findall('./*[@versions]') |
| 50 | for library in libraries: |
| 51 | key = f'{root.tag}:{library.tag}' |
| 52 | GMavenArtifact.key_versions_map[key] = library.get('versions').split(',')[-1] |
| 53 | latest_version = GMavenArtifact.key_versions_map[self.key] |
| 54 | return latest_version |
| 55 | |
| 56 | |
| 57 | class MavenLibraryInfo: |
| 58 | def __init__(self, key, group_id, artifact_id, version, artifact_dir, repo_dir, file): |
| 59 | self.key = key |
| 60 | self.group_id = group_id |
| 61 | self.artifact_id = artifact_id |
| 62 | self.version = version |
| 63 | self.dir = artifact_dir |
| 64 | self.repo_dir = repo_dir |
| 65 | self.file = file |
| 66 | |
| 67 | |
| 68 | def maven_path_for_artifact(base, group, library, version, ext, pathsep=os.pathsep): |
| 69 | return pathsep.join([base, group, library, version, f'{library}-{version}.{ext}']) |