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a1aea021e7
* Add tools/merge_requirements.py
* Revert "Fix oldest tests by pinning Google DNS deps (#5000)"
This reverts commit f68fba2be2.
* Add tools/oldest_constraints.txt
* Remove oldest constraints from tox.ini
* Rename dev constraints file
* Update tools/pip_install.sh
* Update install_and_test.sh
* Fix pip_install.sh
* Don't cat when you can cp
* Add ng-httpsclient to dev constraints for oldest tests
* Bump tested setuptools version
* Update dev_constraints comment
* Better document oldest dependencies
* test against oldest versions we say we require
* Update dev constraints
* Properly handle empty lines
* Update constraints gen in pip_install
* Remove duplicated zope.component
* Reduce pyasn1-modules dependency
* Remove blank line
* pin back google-api-python-client
* pin back uritemplate
* pin josepy for oldest tests
* Undo changes to install_and_test.sh
* Update install_and_test.sh description
* use split instead of partition
61 lines
1.5 KiB
Python
Executable file
61 lines
1.5 KiB
Python
Executable file
#!/usr/bin/env python
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"""Merges multiple Python requirements files into one file.
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Requirements files specified later take precedence over earlier ones. Only
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simple SomeProject==1.2.3 format is currently supported.
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"""
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from __future__ import print_function
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import sys
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def read_file(file_path):
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"""Reads in a Python requirements file.
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:param str file_path: path to requirements file
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:returns: mapping from a project to its pinned version
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:rtype: dict
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"""
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d = {}
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with open(file_path) as f:
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for line in f:
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line = line.strip()
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if line and not line.startswith('#'):
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project, version = line.split('==')
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if not version:
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raise ValueError("Unexpected syntax '{0}'".format(line))
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d[project] = version
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return d
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def print_requirements(requirements):
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"""Prints requirements to stdout.
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:param dict requirements: mapping from a project to its pinned version
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"""
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print('\n'.join('{0}=={1}'.format(k, v)
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for k, v in sorted(requirements.items())))
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def merge_requirements_files(*files):
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"""Merges multiple requirements files together and prints the result.
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Requirement files specified later in the list take precedence over earlier
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files.
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:param tuple files: paths to requirements files
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"""
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d = {}
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for f in files:
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d.update(read_file(f))
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print_requirements(d)
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if __name__ == '__main__':
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merge_requirements_files(*sys.argv[1:])
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