85 lines
2.2 KiB
Python
85 lines
2.2 KiB
Python
STAGING_KEY = ".staging."
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EXPECTED_VERISON_CHARS = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.']
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class Version:
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def __init__(self, *args):
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self._identifiers = args
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self.staging = False
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@classmethod
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def default(cls):
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return Version(0)
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@classmethod
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def parse(cls, version: str):
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staging_version = None
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if STAGING_KEY in version:
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index = version.find(STAGING_KEY)
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staging_version = int(version[index + len(STAGING_KEY):])
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version = version[0:index]
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version = Version._removeUnexpected(version)
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parts = []
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for part in version.split("."):
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if len(part) > 0:
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parts.append(int(part))
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if staging_version is not None:
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parts.append(staging_version)
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if len(parts) == 0:
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parts.append(0)
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ret = Version(*parts)
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if staging_version is not None:
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ret.staging = True
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return ret
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@classmethod
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def _removeUnexpected(cls, version: str):
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ret = ""
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for c in version:
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if c in EXPECTED_VERISON_CHARS:
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ret += c
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while ".." in ret:
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ret = ret.replace("..", ".")
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return ret
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def __getitem__(self, key):
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return self._identifiers[key]
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def length(self):
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return len(self._identifiers)
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def _compare(self, other):
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i = 0
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while(i < min(self.length(), other.length())):
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if self[i] < other[i]:
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return -1
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if self[i] > other[i]:
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return 1
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i += 1
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if self.length() < other.length():
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return -1
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if self.length() > other.length():
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return 1
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return 0
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def __lt__(self, other):
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return self._compare(other) < 0
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def __le__(self, other):
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return self._compare(other) <= 0
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def __eq__(self, other):
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return self._compare(other) == 0
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def __ne__(self, other):
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return self._compare(other) != 0
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def __gt__(self, other):
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return self._compare(other) > 0
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def __ge__(self, other):
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return self._compare(other) >= 0
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def __str__(self):
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return ".".join(str(i) for i in self._identifiers)
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