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Diffstat (limited to 'pyproject_convert.py')
| -rw-r--r-- | pyproject_convert.py | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/pyproject_convert.py b/pyproject_convert.py deleted file mode 100644 index ea01bc3..0000000 --- a/pyproject_convert.py +++ /dev/null @@ -1,171 +0,0 @@ -# Copyright 2019 Gordon Messmer <gordon.messmer@gmail.com> -# -# Upstream: https://github.com/gordonmessmer/pyreq2rpm -# -# Permission is hereby granted, free of charge, to any person -# obtaining a copy of this software and associated documentation files -# (the "Software"), to deal in the Software without restriction, -# including without limitation the rights to use, copy, modify, merge, -# publish, distribute, sublicense, and/or sell copies of the Software, -# and to permit persons to whom the Software is furnished to do so, -# subject to the following conditions: -# -# The above copyright notice and this permission notice shall be -# included in all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS -# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN -# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. - -from packaging.requirements import Requirement -from packaging.version import parse as parse_version - -class RpmVersion(): - def __init__(self, version_id): - version = parse_version(version_id) - if isinstance(version._version, str): - self.version = version._version - else: - self.epoch = version._version.epoch - self.version = list(version._version.release) - self.pre = version._version.pre - self.dev = version._version.dev - self.post = version._version.post - # version.local is ignored as it is not expected to appear - # in public releases - # https://www.python.org/dev/peps/pep-0440/#local-version-identifiers - - def is_legacy(self): - return isinstance(self.version, str) - - def increment(self): - self.version[-1] += 1 - self.pre = None - self.dev = None - self.post = None - return self - - def __str__(self): - if self.is_legacy(): - return self.version - if self.epoch: - rpm_epoch = str(self.epoch) + ':' - else: - rpm_epoch = '' - while len(self.version) > 1 and self.version[-1] == 0: - self.version.pop() - rpm_version = '.'.join(str(x) for x in self.version) - if self.pre: - rpm_suffix = '~{}'.format(''.join(str(x) for x in self.pre)) - elif self.dev: - rpm_suffix = '~~{}'.format(''.join(str(x) for x in self.dev)) - elif self.post: - rpm_suffix = '^post{}'.format(self.post[1]) - else: - rpm_suffix = '' - return '{}{}{}'.format(rpm_epoch, rpm_version, rpm_suffix) - -def convert_compatible(name, operator, version_id): - if version_id.endswith('.*'): - return 'Invalid version' - version = RpmVersion(version_id) - if version.is_legacy(): - # LegacyVersions are not supported in this context - return 'Invalid version' - if len(version.version) == 1: - return 'Invalid version' - upper_version = RpmVersion(version_id) - upper_version.version.pop() - upper_version.increment() - return '({} >= {} with {} < {})'.format( - name, version, name, upper_version) - -def convert_equal(name, operator, version_id): - if version_id.endswith('.*'): - version_id = version_id[:-2] + '.0' - return convert_compatible(name, '~=', version_id) - version = RpmVersion(version_id) - return '{} = {}'.format(name, version) - -def convert_arbitrary_equal(name, operator, version_id): - if version_id.endswith('.*'): - return 'Invalid version' - version = RpmVersion(version_id) - return '{} = {}'.format(name, version) - -def convert_not_equal(name, operator, version_id): - if version_id.endswith('.*'): - version_id = version_id[:-2] - version = RpmVersion(version_id) - if version.is_legacy(): - # LegacyVersions are not supported in this context - return 'Invalid version' - version_gt = RpmVersion(version_id).increment() - version_gt_operator = '>=' - # Prevent dev and pre-releases from satisfying a < requirement - version = '{}~~'.format(version) - else: - version = RpmVersion(version_id) - version_gt = version - version_gt_operator = '>' - return '({} < {} or {} {} {})'.format( - name, version, name, version_gt_operator, version_gt) - -def convert_ordered(name, operator, version_id): - if version_id.endswith('.*'): - # PEP 440 does not define semantics for prefix matching - # with ordered comparisons - # see: https://github.com/pypa/packaging/issues/320 - # and: https://github.com/pypa/packaging/issues/321 - # This style of specifier is officially "unsupported", - # even though it is processed. Support may be removed - # in version 21.0. - version_id = version_id[:-2] - version = RpmVersion(version_id) - if operator == '>': - # distutils will allow a prefix match with '>' - operator = '>=' - if operator == '<=': - # distutils will not allow a prefix match with '<=' - operator = '<' - else: - version = RpmVersion(version_id) - # For backwards compatibility, fallback to previous behavior with LegacyVersions - if not version.is_legacy(): - # Prevent dev and pre-releases from satisfying a < requirement - if operator == '<' and not version.pre and not version.dev and not version.post: - version = '{}~~'.format(version) - # Prevent post-releases from satisfying a > requirement - if operator == '>' and not version.pre and not version.dev and not version.post: - version = '{}.0'.format(version) - return '{} {} {}'.format(name, operator, version) - -OPERATORS = {'~=': convert_compatible, - '==': convert_equal, - '===': convert_arbitrary_equal, - '!=': convert_not_equal, - '<=': convert_ordered, - '<': convert_ordered, - '>=': convert_ordered, - '>': convert_ordered} - -def convert(name, operator, version_id): - return OPERATORS[operator](name, operator, version_id) - -def convert_requirement(req): - parsed_req = Requirement.parse(req) - reqs = [] - for spec in parsed_req.specs: - reqs.append(convert(parsed_req.project_name, spec[0], spec[1])) - if len(reqs) == 0: - return parsed_req.project_name - if len(reqs) == 1: - return reqs[0] - else: - reqs.sort() - return '({})'.format(' with '.join(reqs)) |