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68 lines
1.9 KiB
68 lines
1.9 KiB
version_info = (6, 5, 3)
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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 (
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re.match(
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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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)
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is not None
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)
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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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