72 lines
2.1 KiB
Python
Executable File
72 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Instructions:
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1. virtualenv venv
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2. source venv/bin/activate
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3. pip install /path/to/local/copy/of/requirements/repository
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4. cd /path/to/project/to/fix
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5. .../requirements/tools/fix-lower-constraints.py > new-lc.txt
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6. mv new-lc.txt lower-constraints.txt
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7. Update the patch and resubmit it to gerrit.
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"""
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import io
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from openstack_requirements import requirement
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def read_file(name):
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with io.open(name, 'r', encoding='utf-8') as f:
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return requirement.parse(f.read())
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requirements = read_file('requirements.txt')
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requirements.update(read_file('test-requirements.txt'))
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constraints = read_file('lower-constraints.txt')
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output = []
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for const in constraints.values():
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const = const[0][0]
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actual = const.specifiers.lstrip('=')
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name = const.package.lower()
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if name not in requirements:
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# Ignore secondary dependencies
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output.append(const.to_line())
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continue
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for req, _ in requirements[name]:
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min = [
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s
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for s in req.specifiers.split(',')
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if '>' in s
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]
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if not min:
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# If there is no lower bound, assume the constraint is
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# right.
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output.append(const.to_line())
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continue
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required = min[0].lstrip('>=')
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if required != actual:
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output.append('{}=={}\n'.format(
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const.package, required))
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else:
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output.append(const.to_line())
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for line in sorted(output, key=lambda x: x.lower()):
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if not line.strip():
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continue
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print(line.rstrip())
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