63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
version_info = (6, 0, 7)
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pre_info = ''
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dev_info = ''
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def create_valid_version(release_info, epoch=None, pre_input='', dev_input=''):
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'''
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Creates a pep440 valid version of version number given a tuple integers
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and optional epoch, prerelease and developmental info.
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Parameters
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----------
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release_info : Tuple(Int)
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epoch : Int, default None
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pre_input : Str, default ''
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dev_input : Str, default ''
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'''
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pep440_err = "The version number is not a pep 440 compliant version number"
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if epoch is not None:
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epoch_seg = str(epoch) + '!'
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else:
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epoch_seg = ''
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release_seg = '.'.join(map(str, release_info))
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_magic_pre = ['a','b','rc']
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if pre_input!='' and not any([pre_input.startswith(prefix) for prefix in _magic_pre]):
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raise ValueError(pep440_err + "\n please fix your prerelease segment.")
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else:
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pre_seg = pre_input
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if dev_input=='':
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dev_seg = dev_input
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elif not dev_input.startswith('.') and dev_input.startswith('dev'):
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dev_seg = ''.join(['.', dev_input])
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elif dev_input.startswith('.dev'):
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dev_seg = dev_input
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elif dev_input!='':
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raise ValueError(pep440_err + "\n please fix your development segment.")
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if dev_input!='' and not any([dev_seg.endswith(str(n)) for n in range(10)]):
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dev_seg = ''.join([dev_seg,'0'])
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out_version = ''.join([epoch_seg, release_seg, pre_seg, dev_seg])
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import re
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def is_canonical(version):
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return re.match(r'^([1-9]\d*!)?(0|[1-9]\d*)'
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r'(\.(0|[1-9]\d*))*((a|b|rc)(0|[1-9]\d*))?'
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r'(\.post(0|[1-9]\d*))?(\.dev(0|[1-9]\d*))?$',
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version
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) is not None
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if is_canonical(out_version):
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return out_version
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else:
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raise ValueError(pep440_err)
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__version__ = create_valid_version(version_info, pre_input=pre_info, dev_input=dev_info)
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