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May 14, 2024 16:33
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| import requests | |
| from bs4 import BeautifulSoup | |
| from datetime import datetime | |
| import click | |
| PYPI_URL = "https://pypi.org/project/{project_name}/#history" | |
| def get_releases(request): | |
| soup = BeautifulSoup(request, 'html.parser') | |
| releases = list() | |
| for release in soup.find_all('div', class_='release'): | |
| release_version = release.find('p', | |
| class_='release__version').text.strip() | |
| if not is_numeric(release_version): | |
| continue | |
| release_date = try_parsing_date(release.find('time').text.strip()) | |
| releases.append({'version': release_version, 'date': release_date}) | |
| sorted_packages = sorted( | |
| releases, key=lambda s: list(map(int, s['version'].split('.')))) | |
| return sorted_packages | |
| def is_numeric(s): | |
| for char in s: | |
| if not char.isdigit() and char not in [" ", ".", ","]: | |
| return False | |
| return True | |
| def try_parsing_date(text): | |
| for fmt in ('%d.%m.%Y', '%d/%m/%Y', '%b %d, %Y', '%Y-%m-%d'): | |
| try: | |
| return datetime.strptime(text, fmt) | |
| except ValueError: | |
| pass | |
| click.echo( | |
| 'Not valid date format. Try to use one of this: <31.12.2018>, <31/12/2019> or <2018-12-31>' | |
| ) | |
| sys.exit(0) | |
| @click.command(context_settings=dict(help_option_names=['-h', '--help'])) | |
| @click.option('-b', | |
| '--before', | |
| help='Get latest package before specified date') | |
| @click.argument('packages', nargs=-1, type=click.UNPROCESSED) | |
| def cli(before, packages): | |
| target_date = try_parsing_date(before) if before else datetime.today() | |
| required_packages = list() | |
| not_found = list() | |
| for package in packages: | |
| project_url = PYPI_URL.format(project_name=package) | |
| r = requests.get(project_url) | |
| if r.status_code != 200: | |
| not_found.append(package) | |
| continue | |
| releases = get_releases(r.text) | |
| last_release = None | |
| for idx, release in enumerate(releases): | |
| release_date = release['date'] | |
| if release_date > target_date: | |
| if last_release and last_release['date'] <= release_date: | |
| continue | |
| last_release = release | |
| required_packages.append({ | |
| 'package': package, | |
| 'release_date': last_release['date'], | |
| 'release_version': last_release['version'] | |
| }) | |
| print('pip install ' + | |
| ' '.join('{}=={}'.format(p['package'], str(p['release_version'])) | |
| for p in required_packages)) | |
| if len(not_found) > 0: | |
| print('\nCould not find the following packages: {}'.format(' '.join( | |
| p for p in not_found))) | |
| if __name__ == '__main__': | |
| cli() |
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