57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
Value = str | bool | int
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class Args:
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opts: dict[str, Value]
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args: list[str]
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def __init__(self):
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self.opts = {}
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self.args = []
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def consumePrefix(self, prefix: str) -> dict[str, Value]:
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result: dict[str, Value] = {}
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for key, value in self.opts.items():
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if key.startswith(prefix):
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result[key[len(prefix):]] = value
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del self.opts[key]
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return result
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def consumeOpt(self, key: str, default: Value) -> Value:
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if key in self.opts:
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result = self.opts[key]
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del self.opts[key]
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return result
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return default
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def tryConsumeOpt(self, key: str) -> Value | None:
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if key in self.opts:
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result = self.opts[key]
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del self.opts[key]
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return result
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return None
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def consumeArg(self) -> str | None:
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if len(self.args) == 0:
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return None
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first = self.args[0]
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del self.args[0]
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return first
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def parse(args: list[str]) -> Args:
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result = Args()
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for arg in args:
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if arg.startswith("--"):
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if "=" in arg:
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key, value = arg[2:].split("=", 1)
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result.opts[key] = value
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else:
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result.opts[arg[2:]] = True
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else:
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result.args.append(arg)
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return result
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