blob: 92e773648efcb97afe2f49b806e0c4b37dc2e003 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
"""Packaging compatibility."""
from __future__ import annotations
import typing as t
try:
from packaging import (
specifiers,
version,
)
SpecifierSet: t.Optional[t.Type[specifiers.SpecifierSet]] = specifiers.SpecifierSet
Version: t.Optional[t.Type[version.Version]] = version.Version
PACKAGING_IMPORT_ERROR = None
except ImportError as ex:
SpecifierSet = None # pylint: disable=invalid-name
Version = None # pylint: disable=invalid-name
PACKAGING_IMPORT_ERROR = ex
|
