mirror of
https://github.com/borgbase/vorta
synced 2024-12-23 00:07:58 +00:00
113 lines
3.4 KiB
Python
113 lines
3.4 KiB
Python
#!/usr/bin/env python3
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__license__ = 'MIT'
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import argparse
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import json
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import hashlib
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import os
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import subprocess
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import tempfile
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import urllib.request
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import shlex
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from collections import OrderedDict
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parser = argparse.ArgumentParser()
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parser.add_argument('packages', nargs='+')
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parser.add_argument('--python2', action='store_true',
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help='Look for a Python 2 package')
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parser.add_argument('--cleanup', choices=['scripts', 'all'],
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help='Select what to clean up after build')
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parser.add_argument('--build-only', action='store_const',
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dest='cleanup', const='all',
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help='Clean up all files after build')
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parser.add_argument('--output',
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help='Specify output file name')
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opts = parser.parse_args()
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def get_pypi_url(name: str, filename: str) -> str:
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url = 'https://pypi.python.org/pypi/{}/json'.format(name)
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print('Extracting download url for', name)
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with urllib.request.urlopen(url) as response:
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body = json.loads(response.read().decode('utf-8'))
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for release in body['releases'].values():
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for source in release:
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if source['filename'] == filename:
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return source['url']
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else:
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raise Exception('Failed to extract url from {}'.format(url))
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def get_file_hash(filename: str) -> str:
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sha = hashlib.sha256()
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print('Generating hash for', filename)
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with open(filename, 'rb') as f:
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while True:
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data = f.read(1024 * 1024 * 32)
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if not data:
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break
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sha.update(data)
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return sha.hexdigest()
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package_name = 'python{}-{}'.format('2' if opts.python2 else '3',
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opts.packages[0])
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tempdir_prefix = 'pip-generator-{}-'.format(package_name)
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with tempfile.TemporaryDirectory(prefix=tempdir_prefix) as tempdir:
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if opts.python2:
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pip_executable = 'pip2'
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pip_install_prefix = '--install-option="--prefix=${FLATPAK_DEST}"'
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else:
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pip_executable = 'pip3'
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pip_install_prefix = '--prefix=${FLATPAK_DEST}'
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pip_download = [
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pip_executable,
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'download',
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'--dest',
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tempdir
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]
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subprocess.run(pip_download + [
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'--no-binary', ':all:',
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] + opts.packages, check=True)
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pip_command = [
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pip_executable,
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'install',
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'--no-index',
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'--find-links="file://${PWD}"',
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pip_install_prefix,
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] + [
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shlex.quote(package)
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for package in opts.packages
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]
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main_module = OrderedDict([
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('name', package_name),
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('buildsystem', 'simple'),
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('build-commands', [' '.join(pip_command)]),
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('sources', []),
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])
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if opts.cleanup == 'all':
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main_module['cleanup'] = ['*']
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elif opts.cleanup == 'scripts':
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main_module['cleanup'] = ['/bin', '/share/man/man1']
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for filename in os.listdir(tempdir):
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name = filename.rsplit('-', 1)[0]
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sha256 = get_file_hash(os.path.join(tempdir, filename))
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url = get_pypi_url(name, filename)
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source = OrderedDict([
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('type', 'file'),
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('url', url),
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('sha256', sha256),
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])
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main_module['sources'].append(source)
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output_filename = opts.output or package_name + '.json'
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with open(output_filename, 'w') as output:
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output.write(json.dumps(main_module, indent=4))
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