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#!/usr/bin/env python |
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from os.path import join |
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from subprocess import check_call, check_output |
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from tempfile import TemporaryDirectory |
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import re |
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def parse_setup(lines, which): |
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match = re.search(fr'{which}\w*=\w*[\(\[](?P<list>[^\)\]]*)', lines, |
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flags=re.DOTALL) |
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packages = match.groups('list')[0] |
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packages = re.sub(r"[\"'\s]+", '', packages, flags=re.MULTILINE) |
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packages = [p for p in packages.split(',') if p] |
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return packages |
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with open('setup.py') as fh: |
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lines = fh.read() |
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install_requires = parse_setup(lines, 'install_requires') |
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tests_require = parse_setup(lines, 'tests_require') |
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dev_requires = [ |
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'build>=0.7.0', |
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'pycodestyle>=2.6.0', |
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'pyflakes>=2.2.0', |
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'readme_renderer[md]>=26.0', |
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'twine>=3.4.2', |
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] |
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def print_packages(packages, heading): |
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print(f'{heading}:') |
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print(' ', end='') |
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print('\n '.join(packages)) |
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print_packages(install_requires, 'install_requires') |
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print_packages(tests_require, 'tests_require') |
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print_packages(dev_requires, 'dev_requires') |
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with TemporaryDirectory() as tmpdir: |
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check_call(['python3', '-m', 'venv', tmpdir]) |
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check_call([join(tmpdir, 'bin', 'pip'), 'install', *install_requires]) |
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frozen = check_output([join(tmpdir, 'bin', 'pip'), 'freeze']) |
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frozen = set(frozen.decode('utf-8').split()) |
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check_call([join(tmpdir, 'bin', 'pip'), 'install', *tests_require, |
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*dev_requires]) |
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dev_frozen = check_output([join(tmpdir, 'bin', 'pip'), 'freeze']) |
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dev_frozen = set(dev_frozen.decode('utf-8').split()) - frozen |
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print_packages(frozen, 'frozen') |
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print_packages(dev_frozen, 'dev_frozen') |
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with open('requirements.txt', 'w') as fh: |
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fh.write('\n'.join(sorted(frozen))) |
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fh.write('\n') |
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with open('requirements-dev.txt', 'w') as fh: |
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fh.write('\n'.join(sorted(dev_frozen))) |
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fh.write('\n') |