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- version_info = (5, 6, 1)
- pre_info = ''
- dev_info = ''
- def create_valid_version(release_info, epoch=None, pre_input='', dev_input=''):
- '''
- Creates a pep440 valid version of version number given a tuple integers
- and optional epoch, prerelease and developmental info.
- Parameters
- ----------
- release_info : Tuple(Int)
- epoch : Int, default None
- pre_input : Str, default ''
- dev_input : Str, default ''
- '''
- pep440_err = "The version number is not a pep 440 compliant version number"
- if epoch is not None:
- epoch_seg = str(epoch) + '!'
- else:
- epoch_seg = ''
- release_seg = '.'.join(map(str, release_info))
- _magic_pre = ['a','b','rc']
- if pre_input!='' and not any([pre_input.startswith(prefix) for prefix in _magic_pre]):
- raise ValueError(pep440_err + "\n please fix your prerelease segment.")
- else:
- pre_seg = pre_input
- if dev_input=='':
- dev_seg = dev_input
- elif not dev_input.startswith('.') and dev_input.startswith('dev'):
- dev_seg = ''.join(['.', dev_input])
- elif dev_input.startswith('.dev'):
- dev_seg = dev_input
- elif dev_input!='':
- raise ValueError(pep440_err + "\n please fix your development segment.")
- if dev_input!='' and not any([dev_seg.endswith(str(n)) for n in range(10)]):
- dev_seg = ''.join([dev_seg,'0'])
- out_version = ''.join([epoch_seg, release_seg, pre_seg, dev_seg])
- import re
- def is_canonical(version):
- return re.match(r'^([1-9]\d*!)?(0|[1-9]\d*)'
- r'(\.(0|[1-9]\d*))*((a|b|rc)(0|[1-9]\d*))?'
- r'(\.post(0|[1-9]\d*))?(\.dev(0|[1-9]\d*))?$',
- version
- ) is not None
- if is_canonical(out_version):
- return out_version
- else:
- raise ValueError(pep440_err)
- __version__ = create_valid_version(version_info, pre_input=pre_info, dev_input=dev_info)
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