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bb1242c047
* Include local-oldest-requirements in the constraints when oldest is invoked * Add oldest constraints for lexicon * Skip editable requirements during merge * Pin to lexicon 2.2.1 for oldest requirements. Override locally oldest if needed for specific providers.
61 lines
1.6 KiB
Python
Executable file
61 lines
1.6 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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Ignore empty lines, comments and editable requirements
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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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data = {}
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with open(file_path) as file_h:
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for line in file_h:
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line = line.strip()
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if line and not line.startswith('#') and not line.startswith('-e'):
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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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data[project] = version
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return data
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def output_requirements(requirements):
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"""Prepare print 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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return '\n'.join('{0}=={1}'.format(key, value)
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for key, value in sorted(requirements.items()))
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def main(*paths):
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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 paths: paths to requirements files
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"""
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data = {}
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for path in paths:
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data.update(read_file(path))
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return output_requirements(data)
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if __name__ == '__main__':
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print(main(*sys.argv[1:])) # pylint: disable=star-args
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