53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
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from typing import Optional
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class Model:
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"""
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Object representing a parsed Model String.
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"""
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def __init__(self, game: str, dest: str, spec: str, rev: str, version: Optional[int]) -> None:
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"""
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Initialize a Model object.
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Parameters:
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game - Game code (such as LDJ)
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dest - Destination region for the game (such as J)
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spec - Spec for the game (such as A)
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rev - Revision of the game (such as A)
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version - Integer representing version, usually in the form of YYYYMMDDXX where
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YYYY is a year, MM is a month, DD is a day and XX is sub-day versioning.
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"""
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self.game = game
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self.dest = dest
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self.spec = spec
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self.rev = rev
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self.version = version
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@staticmethod
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def from_modelstring(model: str) -> 'Model':
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"""
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Parse a modelstring and return a Model
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Parameters:
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model - Modelstring in a form similar to "K39:J:B:A:2010122200". Note that
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The last part (version number) may be left off.
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Returns:
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A Model object.
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"""
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parts = model.split(':')
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if len(parts) == 5:
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game, dest, spec, rev, version = parts
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return Model(game, dest, spec, rev, int(version))
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elif len(parts) == 4:
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game, dest, spec, rev = parts
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return Model(game, dest, spec, rev, None)
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raise Exception('Couldn\'t parse model {}'.format(model))
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def __str__(self) -> str:
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if self.version is None:
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return '{}:{}:{}:{}'.format(self.game, self.dest, self.spec, self.rev)
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else:
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return '{}:{}:{}:{}:{}'.format(self.game, self.dest, self.spec, self.rev, self.version)
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