mirror of
https://github.com/certbot/certbot.git
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122 lines
4.8 KiB
Python
Executable File
122 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python
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# pip installs packages using pinned package versions. If CERTBOT_OLDEST is set
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# to 1, a combination of tools/oldest_constraints.txt,
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# tools/dev_constraints.txt, and local-oldest-requirements.txt contained in the
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# top level of the package's directory is used, otherwise, a combination of
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# certbot-auto's requirements file and tools/dev_constraints.txt is used. The
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# other file always takes precedence over tools/dev_constraints.txt. If
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# CERTBOT_OLDEST is set, this script must be run with `-e <package-name>` and
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# no other arguments.
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from __future__ import print_function, absolute_import
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import subprocess
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import os
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import sys
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import re
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import shutil
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import tempfile
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import merge_requirements as merge_module
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import readlink
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import strip_hashes
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def find_tools_path():
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return os.path.dirname(readlink.main(__file__))
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def certbot_oldest_processing(tools_path, args, test_constraints):
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if args[0] != '-e' or len(args) != 2:
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raise ValueError('When CERTBOT_OLDEST is set, this script must be run '
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'with a single -e <path> argument.')
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# remove any extras such as [dev]
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pkg_dir = re.sub(r'\[\w+\]', '', args[1])
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requirements = os.path.join(pkg_dir, 'local-oldest-requirements.txt')
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shutil.copy(os.path.join(tools_path, 'oldest_constraints.txt'), test_constraints)
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# packages like acme don't have any local oldest requirements
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if not os.path.isfile(requirements):
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return None
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return requirements
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def certbot_normal_processing(tools_path, test_constraints):
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repo_path = os.path.dirname(tools_path)
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certbot_requirements = os.path.normpath(os.path.join(
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repo_path, 'letsencrypt-auto-source/pieces/dependency-requirements.txt'))
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with open(certbot_requirements, 'r') as fd:
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data = fd.readlines()
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with open(test_constraints, 'w') as fd:
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data = "\n".join(strip_hashes.process_entries(data))
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fd.write(data)
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def merge_requirements(tools_path, requirements, test_constraints, all_constraints):
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# Order of the files in the merge function matters.
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# Indeed version retained for a given package will be the last version
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# found when following all requirements in the given order.
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# Here is the order by increasing priority:
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# 1) The general development constraints (tools/dev_constraints.txt)
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# 2) The general tests constraints (oldest_requirements.txt or
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# certbot-auto's dependency-requirements.txt for the normal processing)
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# 3) The local requirement file, typically local-oldest-requirement in oldest tests
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files = [os.path.join(tools_path, 'dev_constraints.txt'), test_constraints]
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if requirements:
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files.append(requirements)
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merged_requirements = merge_module.main(*files)
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with open(all_constraints, 'w') as fd:
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fd.write(merged_requirements)
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def call_with_print(command, cwd=None):
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print(command)
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subprocess.check_call(command, shell=True, cwd=cwd or os.getcwd())
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def pip_install_with_print(args_str):
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command = '"{0}" -m pip install --disable-pip-version-check {1}'.format(sys.executable,
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args_str)
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call_with_print(command)
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def main(args):
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tools_path = find_tools_path()
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working_dir = tempfile.mkdtemp()
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if os.environ.get('TRAVIS'):
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# When this script is executed on Travis, the following print will make the log
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# be folded until the end command is printed (see finally section).
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print('travis_fold:start:install_certbot_deps')
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try:
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test_constraints = os.path.join(working_dir, 'test_constraints.txt')
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all_constraints = os.path.join(working_dir, 'all_constraints.txt')
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if os.environ.get('CERTBOT_NO_PIN') == '1':
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# With unpinned dependencies, there is no constraint
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pip_install_with_print(' '.join(args))
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else:
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# Otherwise, we merge requirements to build the constraints and pin dependencies
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requirements = None
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if os.environ.get('CERTBOT_OLDEST') == '1':
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requirements = certbot_oldest_processing(tools_path, args, test_constraints)
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else:
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certbot_normal_processing(tools_path, test_constraints)
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merge_requirements(tools_path, requirements, test_constraints, all_constraints)
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if requirements:
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pip_install_with_print('--constraint "{0}" --requirement "{1}"'
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.format(all_constraints, requirements))
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pip_install_with_print('--constraint "{0}" {1}'
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.format(all_constraints, ' '.join(args)))
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finally:
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if os.environ.get('TRAVIS'):
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print('travis_fold:end:install_certbot_deps')
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shutil.rmtree(working_dir)
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if __name__ == '__main__':
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main(sys.argv[1:])
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