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- import re
- from typing import NamedTuple
- __all__ = ["version", "version_info", "version_js", "version_info_js"]
- version = "3.2.3"
- version_js = "16.6.0"
- _re_version = re.compile(r"(\d+)\.(\d+)\.(\d+)(\D*)(\d*)")
- class VersionInfo(NamedTuple):
- major: int
- minor: int
- micro: int
- releaselevel: str
- serial: int
- @classmethod
- def from_str(cls, v: str) -> "VersionInfo":
- groups = _re_version.match(v).groups() # type: ignore
- major, minor, micro = map(int, groups[:3])
- level = (groups[3] or "")[:1]
- if level == "a":
- level = "alpha"
- elif level == "b":
- level = "beta"
- elif level in ("c", "r"):
- level = "candidate"
- else:
- level = "final"
- serial = groups[4]
- serial = int(serial) if serial else 0
- return cls(major, minor, micro, level, serial)
- def __str__(self) -> str:
- v = f"{self.major}.{self.minor}.{self.micro}"
- level = self.releaselevel
- if level and level != "final":
- level = level[:1]
- if level == "c":
- level = "rc"
- v = f"{v}{level}{self.serial}"
- return v
- version_info = VersionInfo.from_str(version)
- version_info_js = VersionInfo.from_str(version_js)
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