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1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 | # This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import itertools
import operator
import pickle
import sys
import typing
import pretend
import pytest
from packaging._structures import Infinity, NegativeInfinity
from packaging.version import (
InvalidVersion,
Version,
_BaseVersion,
_TrimmedRelease,
_VersionReplace,
parse,
)
if typing.TYPE_CHECKING:
from collections.abc import Callable
from typing_extensions import Self, Unpack
if sys.version_info >= (3, 13):
from copy import replace
else:
T = typing.TypeVar("T")
class SupportsReplace(typing.Protocol):
def __replace__(self, **kwargs: Unpack[_VersionReplace]) -> Self: ...
S = typing.TypeVar("S", bound="SupportsReplace")
def replace(item: S, **kwargs: Unpack[_VersionReplace]) -> S:
return item.__replace__(**kwargs)
def test_parse() -> None:
assert isinstance(parse("1.0"), Version)
def test_parse_raises() -> None:
with pytest.raises(InvalidVersion):
parse("lolwat")
# This list must be in the correct sorting order
VERSIONS = [
# Implicit epoch of 0
"1.0.dev0",
"1.0.dev456",
"1.0.dev456+local",
"1.0a0",
"1.0a0.post0.dev0",
"1.0a0.post0",
"1.0a1.dev1",
"1.0a1.dev1+local",
"1.0a1",
"1.0a1+local",
"1.0b0",
"1.0b1.dev456",
"1.0b2",
"1.0b2.post345.dev456",
"1.0b2.post345",
"1.0b2-346",
"1.0rc0",
"1.0rc1.dev1",
"1.0c1",
"1.0rc2",
"1.0",
"1.0.post0.dev0",
"1.0.post0",
"1.0.post456.dev34",
"1.0.post456",
"1.0.post456+local",
"1.0.1.dev1",
"1.0.1a1",
"1.0.1",
"1.0.1+local",
"1.0.1.post1",
"1.1.dev1",
"1.2+a",
"1.2+abc",
"1.2+abcdef",
"1.2+def",
"1.2+0",
"1.2+1",
"1.2+1.abc",
"1.2+1.1",
"1.2+1.1.0",
"1.2+2",
"1.2+123",
"1.2+123456",
"1.2.r32+123456",
"1.2.rev33+123456",
# Explicit epoch of 1
"1!1.0.dev0",
"1!1.0.dev456",
"1!1.0.dev456+local",
"1!1.0a0",
"1!1.0a0.post0.dev0",
"1!1.0a0.post0",
"1!1.0a1.dev1",
"1!1.0a1.dev1+local",
"1!1.0a1",
"1!1.0a1+local",
"1!1.0b0",
"1!1.0b1.dev456",
"1!1.0b2",
"1!1.0b2.post345.dev456",
"1!1.0b2.post345",
"1!1.0b2-346",
"1!1.0rc0",
"1!1.0rc1.dev1",
"1!1.0c1",
"1!1.0rc2",
"1!1.0",
"1!1.0.post0.dev0",
"1!1.0.post0",
"1!1.0.post456.dev34",
"1!1.0.post456",
"1!1.0.post456+local",
"1!1.0.1.dev1",
"1!1.0.1a1",
"1!1.0.1",
"1!1.0.1+local",
"1!1.0.1.post1",
"1!1.1.dev1",
"1!1.2+a",
"1!1.2+abc",
"1!1.2+abcdef",
"1!1.2+def",
"1!1.2+0",
"1!1.2+1",
"1!1.2+1.abc",
"1!1.2+1.1",
"1!1.2+1.1.0",
"1!1.2+2",
"1!1.2+123",
"1!1.2+123456",
"1!1.2.r32+123456",
"1!1.2.rev33+123456",
]
# Simple _BaseVersion subclass for testing comparison with non-Version types
class SimpleVersion(_BaseVersion):
"""A simple _BaseVersion subclass for testing cross-type comparisons."""
def __init__(self, key: typing.Any) -> None: # noqa: ANN401
# If key is a string, parse it as a version to create a compatible key
if isinstance(key, str):
parsed = Version(key)
self._key_tuple = parsed._key
else:
self._key_tuple = key
@property
def _key(self) -> typing.Any: # noqa: ANN401
return self._key_tuple
@_key.setter
def _key(self, value: typing.Any) -> None: # noqa: ANN401
self._key_tuple = value
class TestVersion:
@pytest.mark.parametrize("version", VERSIONS)
def test_valid_versions(self, version: str) -> None:
Version(version)
def test_match_args(self) -> None:
assert Version.__match_args__ == ("_str",)
assert Version("1.2")._str == "1.2"
@pytest.mark.parametrize(
"version",
[
# Non sensical versions should be invalid
"french toast",
# Versions with invalid local versions
"1.0+a+",
"1.0++",
"1.0+_foobar",
"1.0+foo&asd",
"1.0+1+1",
# Spaces in versions are also invalid
"1. 0",
"1 .0",
"1. 0a1",
"1 .0a1",
"1.0 a1",
"1.0a 1",
# Versions do need to be standard numbers
"٠١٢.٣٤٥.٦٧٨٩",
# Invalid versions that trigger the fast path (digits/dots only)
".",
"..",
"1..0",
"1.0.",
".1.0",
"1..2.3",
# Local version which includes a non-ASCII letter that matches
# regex '[a-z]' when re.IGNORECASE is in force and re.ASCII is not
"1.0+\u0130",
],
)
def test_invalid_versions(self, version: str) -> None:
with pytest.raises(InvalidVersion):
Version(version)
@pytest.mark.parametrize("version", [None, 1, ["1", ".", "0"], ("1",), b"1.0"])
def test_non_string_versions_raise_invalid_version(self, version: object) -> None:
with pytest.raises(InvalidVersion):
Version(version) # type: ignore[arg-type]
@pytest.mark.skipif(
not hasattr(sys, "get_int_max_str_digits"),
reason="requires int max str digits limit",
)
@pytest.mark.parametrize(
"version",
[
# Simple path (digits only)
"1" * 5000,
# Regex path (has pre-release)
"1.0a" + "1" * 5000,
],
)
def test_oversized_version_raises_valueerror(self, version: str) -> None:
old = sys.get_int_max_str_digits()
sys.set_int_max_str_digits(4300)
try:
with pytest.raises(ValueError, match="Exceeds the limit"):
Version(version)
finally:
sys.set_int_max_str_digits(old)
@pytest.mark.parametrize(
("version", "normalized"),
[
# Various development release incarnations
("1.0dev", "1.0.dev0"),
("1.0.dev", "1.0.dev0"),
("1.0dev1", "1.0.dev1"),
("1.0-dev", "1.0.dev0"),
("1.0-dev1", "1.0.dev1"),
("1.0DEV", "1.0.dev0"),
("1.0.DEV", "1.0.dev0"),
("1.0DEV1", "1.0.dev1"),
("1.0.DEV1", "1.0.dev1"),
("1.0-DEV", "1.0.dev0"),
("1.0-DEV1", "1.0.dev1"),
# Various alpha incarnations
("1.0a", "1.0a0"),
("1.0.a", "1.0a0"),
("1.0.a1", "1.0a1"),
("1.0-a", "1.0a0"),
("1.0-a1", "1.0a1"),
("1.0alpha", "1.0a0"),
("1.0.alpha", "1.0a0"),
("1.0.alpha1", "1.0a1"),
("1.0-alpha", "1.0a0"),
("1.0-alpha1", "1.0a1"),
("1.0A", "1.0a0"),
("1.0.A", "1.0a0"),
("1.0.A1", "1.0a1"),
("1.0-A", "1.0a0"),
("1.0-A1", "1.0a1"),
("1.0ALPHA", "1.0a0"),
("1.0.ALPHA", "1.0a0"),
("1.0.ALPHA1", "1.0a1"),
("1.0-ALPHA", "1.0a0"),
("1.0-ALPHA1", "1.0a1"),
# Various beta incarnations
("1.0b", "1.0b0"),
("1.0.b", "1.0b0"),
("1.0.b1", "1.0b1"),
("1.0-b", "1.0b0"),
("1.0-b1", "1.0b1"),
("1.0beta", "1.0b0"),
("1.0.beta", "1.0b0"),
("1.0.beta1", "1.0b1"),
("1.0-beta", "1.0b0"),
("1.0-beta1", "1.0b1"),
("1.0B", "1.0b0"),
("1.0.B", "1.0b0"),
("1.0.B1", "1.0b1"),
("1.0-B", "1.0b0"),
("1.0-B1", "1.0b1"),
("1.0BETA", "1.0b0"),
("1.0.BETA", "1.0b0"),
("1.0.BETA1", "1.0b1"),
("1.0-BETA", "1.0b0"),
("1.0-BETA1", "1.0b1"),
# Various release candidate incarnations
("1.0c", "1.0rc0"),
("1.0.c", "1.0rc0"),
("1.0.c1", "1.0rc1"),
("1.0-c", "1.0rc0"),
("1.0-c1", "1.0rc1"),
("1.0rc", "1.0rc0"),
("1.0.rc", "1.0rc0"),
("1.0.rc1", "1.0rc1"),
("1.0-rc", "1.0rc0"),
("1.0-rc1", "1.0rc1"),
("1.0C", "1.0rc0"),
("1.0.C", "1.0rc0"),
("1.0.C1", "1.0rc1"),
("1.0-C", "1.0rc0"),
("1.0-C1", "1.0rc1"),
("1.0RC", "1.0rc0"),
("1.0.RC", "1.0rc0"),
("1.0.RC1", "1.0rc1"),
("1.0-RC", "1.0rc0"),
("1.0-RC1", "1.0rc1"),
# Various post release incarnations
("1.0post", "1.0.post0"),
("1.0.post", "1.0.post0"),
("1.0post1", "1.0.post1"),
("1.0-post", "1.0.post0"),
("1.0-post1", "1.0.post1"),
("1.0POST", "1.0.post0"),
("1.0.POST", "1.0.post0"),
("1.0POST1", "1.0.post1"),
("1.0r", "1.0.post0"),
("1.0rev", "1.0.post0"),
("1.0.POST1", "1.0.post1"),
("1.0.r1", "1.0.post1"),
("1.0.rev1", "1.0.post1"),
("1.0-POST", "1.0.post0"),
("1.0-POST1", "1.0.post1"),
("1.0-5", "1.0.post5"),
("1.0-r5", "1.0.post5"),
("1.0-rev5", "1.0.post5"),
# Local version case insensitivity
("1.0+AbC", "1.0+abc"),
# Integer Normalization
("1.01", "1.1"),
("1.0a05", "1.0a5"),
("1.0b07", "1.0b7"),
("1.0c056", "1.0rc56"),
("1.0rc09", "1.0rc9"),
("1.0.post000", "1.0.post0"),
("1.1.dev09000", "1.1.dev9000"),
("00!1.2", "1.2"),
("0100!0.0", "100!0.0"),
# Various other normalizations
("v1.0", "1.0"),
(" v1.0\t\n", "1.0"),
# Non-ASCII whitespace
("\N{NARROW NO-BREAK SPACE}1.0\t\N{PARAGRAPH SEPARATOR}\n ", "1.0"),
],
)
def test_normalized_versions(self, version: str, normalized: str) -> None:
assert str(Version(version)) == normalized
@pytest.mark.parametrize(
("version", "expected"),
[
("1.0.dev456", "1.0.dev456"),
("1.0a1", "1.0a1"),
("1.0a2.dev456", "1.0a2.dev456"),
("1.0a12.dev456", "1.0a12.dev456"),
("1.0a12", "1.0a12"),
("1.0b1.dev456", "1.0b1.dev456"),
("1.0b2", "1.0b2"),
("1.0b2.post345.dev456", "1.0b2.post345.dev456"),
("1.0b2.post345", "1.0b2.post345"),
("1.0rc1.dev456", "1.0rc1.dev456"),
("1.0rc1", "1.0rc1"),
("1.0", "1.0"),
("1.0.post456.dev34", "1.0.post456.dev34"),
("1.0.post456", "1.0.post456"),
("1.0.1", "1.0.1"),
("0!1.0.2", "1.0.2"),
("1.0.3+7", "1.0.3+7"),
("0!1.0.4+8.0", "1.0.4+8.0"),
("1.0.5+9.5", "1.0.5+9.5"),
("1.2+1234.abc", "1.2+1234.abc"),
("1.2+123456", "1.2+123456"),
("1.2+123abc", "1.2+123abc"),
("1.2+123abc456", "1.2+123abc456"),
("1.2+abc", "1.2+abc"),
("1.2+abc123", "1.2+abc123"),
("1.2+abc123def", "1.2+abc123def"),
("1.1.dev1", "1.1.dev1"),
("7!1.0.dev456", "7!1.0.dev456"),
("7!1.0a1", "7!1.0a1"),
("7!1.0a2.dev456", "7!1.0a2.dev456"),
("7!1.0a12.dev456", "7!1.0a12.dev456"),
("7!1.0a12", "7!1.0a12"),
("7!1.0b1.dev456", "7!1.0b1.dev456"),
("7!1.0b2", "7!1.0b2"),
("7!1.0b2.post345.dev456", "7!1.0b2.post345.dev456"),
("7!1.0b2.post345", "7!1.0b2.post345"),
("7!1.0rc1.dev456", "7!1.0rc1.dev456"),
("7!1.0rc1", "7!1.0rc1"),
("7!1.0", "7!1.0"),
("7!1.0.post456.dev34", "7!1.0.post456.dev34"),
("7!1.0.post456", "7!1.0.post456"),
("7!1.0.1", "7!1.0.1"),
("7!1.0.2", "7!1.0.2"),
("7!1.0.3+7", "7!1.0.3+7"),
("7!1.0.4+8.0", "7!1.0.4+8.0"),
("7!1.0.5+9.5", "7!1.0.5+9.5"),
("7!1.1.dev1", "7!1.1.dev1"),
],
)
def test_version_str_repr(self, version: str, expected: str) -> None:
assert str(Version(version)) == expected
assert repr(Version(version)) == f"<Version({expected!r})>"
def test_version_rc_and_c_equals(self) -> None:
assert Version("1.0rc1") == Version("1.0c1")
@pytest.mark.parametrize("version", VERSIONS)
def test_version_hash(self, version: str) -> None:
assert hash(Version(version)) == hash(Version(version))
def test_version_hash_with_warm_key_cache(self) -> None:
v = Version("1.0")
# Populate _key_cache via comparison before hashing
assert v > Version("0.9")
assert hash(v) == hash(Version("1.0"))
@pytest.mark.parametrize(
("version", "public"),
[
("1.0", "1.0"),
("1.0.dev0", "1.0.dev0"),
("1.0.dev6", "1.0.dev6"),
("1.0a1", "1.0a1"),
("1.0a1.post5", "1.0a1.post5"),
("1.0a1.post5.dev6", "1.0a1.post5.dev6"),
("1.0rc4", "1.0rc4"),
("1.0.post5", "1.0.post5"),
("1!1.0", "1!1.0"),
("1!1.0.dev6", "1!1.0.dev6"),
("1!1.0a1", "1!1.0a1"),
("1!1.0a1.post5", "1!1.0a1.post5"),
("1!1.0a1.post5.dev6", "1!1.0a1.post5.dev6"),
("1!1.0rc4", "1!1.0rc4"),
("1!1.0.post5", "1!1.0.post5"),
("1.0+deadbeef", "1.0"),
("1.0.dev6+deadbeef", "1.0.dev6"),
("1.0a1+deadbeef", "1.0a1"),
("1.0a1.post5+deadbeef", "1.0a1.post5"),
("1.0a1.post5.dev6+deadbeef", "1.0a1.post5.dev6"),
("1.0rc4+deadbeef", "1.0rc4"),
("1.0.post5+deadbeef", "1.0.post5"),
("1!1.0+deadbeef", "1!1.0"),
("1!1.0.dev6+deadbeef", "1!1.0.dev6"),
("1!1.0a1+deadbeef", "1!1.0a1"),
("1!1.0a1.post5+deadbeef", "1!1.0a1.post5"),
("1!1.0a1.post5.dev6+deadbeef", "1!1.0a1.post5.dev6"),
("1!1.0rc4+deadbeef", "1!1.0rc4"),
("1!1.0.post5+deadbeef", "1!1.0.post5"),
],
)
def test_version_public(self, version: str, public: str) -> None:
assert Version(version).public == public
@pytest.mark.parametrize(
("version", "base_version"),
[
("1.0", "1.0"),
("1.0.dev0", "1.0"),
("1.0.dev6", "1.0"),
("1.0a1", "1.0"),
("1.0a1.post5", "1.0"),
("1.0a1.post5.dev6", "1.0"),
("1.0rc4", "1.0"),
("1.0.post5", "1.0"),
("1!1.0", "1!1.0"),
("1!1.0.dev6", "1!1.0"),
("1!1.0a1", "1!1.0"),
("1!1.0a1.post5", "1!1.0"),
("1!1.0a1.post5.dev6", "1!1.0"),
("1!1.0rc4", "1!1.0"),
("1!1.0.post5", "1!1.0"),
("1.0+deadbeef", "1.0"),
("1.0.dev6+deadbeef", "1.0"),
("1.0a1+deadbeef", "1.0"),
("1.0a1.post5+deadbeef", "1.0"),
("1.0a1.post5.dev6+deadbeef", "1.0"),
("1.0rc4+deadbeef", "1.0"),
("1.0.post5+deadbeef", "1.0"),
("1!1.0+deadbeef", "1!1.0"),
("1!1.0.dev6+deadbeef", "1!1.0"),
("1!1.0a1+deadbeef", "1!1.0"),
("1!1.0a1.post5+deadbeef", "1!1.0"),
("1!1.0a1.post5.dev6+deadbeef", "1!1.0"),
("1!1.0rc4+deadbeef", "1!1.0"),
("1!1.0.post5+deadbeef", "1!1.0"),
],
)
def test_version_base_version(self, version: str, base_version: str) -> None:
assert Version(version).base_version == base_version
@pytest.mark.parametrize(
("version", "epoch"),
[
("1.0", 0),
("1.0.dev0", 0),
("1.0.dev6", 0),
("1.0a1", 0),
("1.0a1.post5", 0),
("1.0a1.post5.dev6", 0),
("1.0rc4", 0),
("1.0.post5", 0),
("1!1.0", 1),
("1!1.0.dev6", 1),
("1!1.0a1", 1),
("1!1.0a1.post5", 1),
("1!1.0a1.post5.dev6", 1),
("1!1.0rc4", 1),
("1!1.0.post5", 1),
("1.0+deadbeef", 0),
("1.0.dev6+deadbeef", 0),
("1.0a1+deadbeef", 0),
("1.0a1.post5+deadbeef", 0),
("1.0a1.post5.dev6+deadbeef", 0),
("1.0rc4+deadbeef", 0),
("1.0.post5+deadbeef", 0),
("1!1.0+deadbeef", 1),
("1!1.0.dev6+deadbeef", 1),
("1!1.0a1+deadbeef", 1),
("1!1.0a1.post5+deadbeef", 1),
("1!1.0a1.post5.dev6+deadbeef", 1),
("1!1.0rc4+deadbeef", 1),
("1!1.0.post5+deadbeef", 1),
],
)
def test_version_epoch(self, version: str, epoch: int) -> None:
assert Version(version).epoch == epoch
@pytest.mark.parametrize(
("version", "release"),
[
("1.0", (1, 0)),
("1.0.dev0", (1, 0)),
("1.0.dev6", (1, 0)),
("1.0a1", (1, 0)),
("1.0a1.post5", (1, 0)),
("1.0a1.post5.dev6", (1, 0)),
("1.0rc4", (1, 0)),
("1.0.post5", (1, 0)),
("1!1.0", (1, 0)),
("1!1.0.dev6", (1, 0)),
("1!1.0a1", (1, 0)),
("1!1.0a1.post5", (1, 0)),
("1!1.0a1.post5.dev6", (1, 0)),
("1!1.0rc4", (1, 0)),
("1!1.0.post5", (1, 0)),
("1.0+deadbeef", (1, 0)),
("1.0.dev6+deadbeef", (1, 0)),
("1.0a1+deadbeef", (1, 0)),
("1.0a1.post5+deadbeef", (1, 0)),
("1.0a1.post5.dev6+deadbeef", (1, 0)),
("1.0rc4+deadbeef", (1, 0)),
("1.0.post5+deadbeef", (1, 0)),
("1!1.0+deadbeef", (1, 0)),
("1!1.0.dev6+deadbeef", (1, 0)),
("1!1.0a1+deadbeef", (1, 0)),
("1!1.0a1.post5+deadbeef", (1, 0)),
("1!1.0a1.post5.dev6+deadbeef", (1, 0)),
("1!1.0rc4+deadbeef", (1, 0)),
("1!1.0.post5+deadbeef", (1, 0)),
],
)
def test_version_release(self, version: str, release: tuple[int, int]) -> None:
assert Version(version).release == release
@pytest.mark.parametrize(
("version", "local"),
[
("1.0", None),
("1.0.dev0", None),
("1.0.dev6", None),
("1.0a1", None),
("1.0a1.post5", None),
("1.0a1.post5.dev6", None),
("1.0rc4", None),
("1.0.post5", None),
("1!1.0", None),
("1!1.0.dev6", None),
("1!1.0a1", None),
("1!1.0a1.post5", None),
("1!1.0a1.post5.dev6", None),
("1!1.0rc4", None),
("1!1.0.post5", None),
("1.0+deadbeef", "deadbeef"),
("1.0.dev6+deadbeef", "deadbeef"),
("1.0a1+deadbeef", "deadbeef"),
("1.0a1.post5+deadbeef", "deadbeef"),
("1.0a1.post5.dev6+deadbeef", "deadbeef"),
("1.0rc4+deadbeef", "deadbeef"),
("1.0.post5+deadbeef", "deadbeef"),
("1!1.0+deadbeef", "deadbeef"),
("1!1.0.dev6+deadbeef", "deadbeef"),
("1!1.0a1+deadbeef", "deadbeef"),
("1!1.0a1.post5+deadbeef", "deadbeef"),
("1!1.0a1.post5.dev6+deadbeef", "deadbeef"),
("1!1.0rc4+deadbeef", "deadbeef"),
("1!1.0.post5+deadbeef", "deadbeef"),
],
)
def test_version_local(self, version: str, local: str | None) -> None:
assert Version(version).local == local
@pytest.mark.parametrize(
("version", "pre"),
[
("1.0", None),
("1.0.dev0", None),
("1.0.dev6", None),
("1.0a1", ("a", 1)),
("1.0a1.post5", ("a", 1)),
("1.0a1.post5.dev6", ("a", 1)),
("1.0rc4", ("rc", 4)),
("1.0.post5", None),
("1!1.0", None),
("1!1.0.dev6", None),
("1!1.0a1", ("a", 1)),
("1!1.0a1.post5", ("a", 1)),
("1!1.0a1.post5.dev6", ("a", 1)),
("1!1.0rc4", ("rc", 4)),
("1!1.0.post5", None),
("1.0+deadbeef", None),
("1.0.dev6+deadbeef", None),
("1.0a1+deadbeef", ("a", 1)),
("1.0a1.post5+deadbeef", ("a", 1)),
("1.0a1.post5.dev6+deadbeef", ("a", 1)),
("1.0rc4+deadbeef", ("rc", 4)),
("1.0.post5+deadbeef", None),
("1!1.0+deadbeef", None),
("1!1.0.dev6+deadbeef", None),
("1!1.0a1+deadbeef", ("a", 1)),
("1!1.0a1.post5+deadbeef", ("a", 1)),
("1!1.0a1.post5.dev6+deadbeef", ("a", 1)),
("1!1.0rc4+deadbeef", ("rc", 4)),
("1!1.0.post5+deadbeef", None),
],
)
def test_version_pre(self, version: str, pre: None | tuple[str, int]) -> None:
assert Version(version).pre == pre
@pytest.mark.parametrize(
("version", "expected"),
[
("1.0.dev0", True),
("1.0.dev1", True),
("1.0a1.dev1", True),
("1.0b1.dev1", True),
("1.0c1.dev1", True),
("1.0rc1.dev1", True),
("1.0a1", True),
("1.0b1", True),
("1.0c1", True),
("1.0rc1", True),
("1.0a1.post1.dev1", True),
("1.0b1.post1.dev1", True),
("1.0c1.post1.dev1", True),
("1.0rc1.post1.dev1", True),
("1.0a1.post1", True),
("1.0b1.post1", True),
("1.0c1.post1", True),
("1.0rc1.post1", True),
("1.0", False),
("1.0+dev", False),
("1.0.post1", False),
("1.0.post1+dev", False),
],
)
def test_version_is_prerelease(self, version: str, expected: bool) -> None:
assert Version(version).is_prerelease is expected
@pytest.mark.parametrize(
("version", "dev"),
[
("1.0", None),
("1.0.dev0", 0),
("1.0.dev6", 6),
("1.0a1", None),
("1.0a1.post5", None),
("1.0a1.post5.dev6", 6),
("1.0rc4", None),
("1.0.post5", None),
("1!1.0", None),
("1!1.0.dev6", 6),
("1!1.0a1", None),
("1!1.0a1.post5", None),
("1!1.0a1.post5.dev6", 6),
("1!1.0rc4", None),
("1!1.0.post5", None),
("1.0+deadbeef", None),
("1.0.dev6+deadbeef", 6),
("1.0a1+deadbeef", None),
("1.0a1.post5+deadbeef", None),
("1.0a1.post5.dev6+deadbeef", 6),
("1.0rc4+deadbeef", None),
("1.0.post5+deadbeef", None),
("1!1.0+deadbeef", None),
("1!1.0.dev6+deadbeef", 6),
("1!1.0a1+deadbeef", None),
("1!1.0a1.post5+deadbeef", None),
("1!1.0a1.post5.dev6+deadbeef", 6),
("1!1.0rc4+deadbeef", None),
("1!1.0.post5+deadbeef", None),
],
)
def test_version_dev(self, version: str, dev: int | None) -> None:
assert Version(version).dev == dev
@pytest.mark.parametrize(
("version", "expected"),
[
("1.0", False),
("1.0.dev0", True),
("1.0.dev6", True),
("1.0a1", False),
("1.0a1.post5", False),
("1.0a1.post5.dev6", True),
("1.0rc4", False),
("1.0.post5", False),
("1!1.0", False),
("1!1.0.dev6", True),
("1!1.0a1", False),
("1!1.0a1.post5", False),
("1!1.0a1.post5.dev6", True),
("1!1.0rc4", False),
("1!1.0.post5", False),
("1.0+deadbeef", False),
("1.0.dev6+deadbeef", True),
("1.0a1+deadbeef", False),
("1.0a1.post5+deadbeef", False),
("1.0a1.post5.dev6+deadbeef", True),
("1.0rc4+deadbeef", False),
("1.0.post5+deadbeef", False),
("1!1.0+deadbeef", False),
("1!1.0.dev6+deadbeef", True),
("1!1.0a1+deadbeef", False),
("1!1.0a1.post5+deadbeef", False),
("1!1.0a1.post5.dev6+deadbeef", True),
("1!1.0rc4+deadbeef", False),
("1!1.0.post5+deadbeef", False),
],
)
def test_version_is_devrelease(self, version: str, expected: bool) -> None:
assert Version(version).is_devrelease is expected
@pytest.mark.parametrize(
("version", "post"),
[
("1.0", None),
("1.0.dev0", None),
("1.0.dev6", None),
("1.0a1", None),
("1.0a1.post5", 5),
("1.0a1.post5.dev6", 5),
("1.0rc4", None),
("1.0.post5", 5),
("1!1.0", None),
("1!1.0.dev6", None),
("1!1.0a1", None),
("1!1.0a1.post5", 5),
("1!1.0a1.post5.dev6", 5),
("1!1.0rc4", None),
("1!1.0.post5", 5),
("1.0+deadbeef", None),
("1.0.dev6+deadbeef", None),
("1.0a1+deadbeef", None),
("1.0a1.post5+deadbeef", 5),
("1.0a1.post5.dev6+deadbeef", 5),
("1.0rc4+deadbeef", None),
("1.0.post5+deadbeef", 5),
("1!1.0+deadbeef", None),
("1!1.0.dev6+deadbeef", None),
("1!1.0a1+deadbeef", None),
("1!1.0a1.post5+deadbeef", 5),
("1!1.0a1.post5.dev6+deadbeef", 5),
("1!1.0rc4+deadbeef", None),
("1!1.0.post5+deadbeef", 5),
],
)
def test_version_post(self, version: str, post: int | None) -> None:
assert Version(version).post == post
@pytest.mark.parametrize(
("version", "expected"),
[
("1.0.dev1", False),
("1.0", False),
("1.0+foo", False),
("1.0.post1.dev1", True),
("1.0.post1", True),
],
)
def test_version_is_postrelease(self, version: str, expected: bool) -> None:
assert Version(version).is_postrelease is expected
@pytest.mark.parametrize(
("left", "right", "op"),
# Below we'll generate every possible combination of VERSIONS that
# should be True for the given operator
list(
itertools.chain.from_iterable(
# Verify that the less than (<) operator works correctly
[
[(x, y, operator.lt) for y in VERSIONS[i + 1 :]]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the less than equal (<=) operator works correctly
[
[(x, y, operator.le) for y in VERSIONS[i:]]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the equal (==) operator works correctly
[[(x, x, operator.eq) for x in VERSIONS]]
+
# Verify that the not equal (!=) operator works correctly
[
[(x, y, operator.ne) for j, y in enumerate(VERSIONS) if i != j]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the greater than equal (>=) operator works correctly
[
[(x, y, operator.ge) for y in VERSIONS[: i + 1]]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the greater than (>) operator works correctly
[
[(x, y, operator.gt) for y in VERSIONS[:i]]
for i, x in enumerate(VERSIONS)
]
)
),
)
def test_comparison_true(
self, left: str, right: str, op: Callable[[Version, Version], bool]
) -> None:
assert op(Version(left), Version(right))
@pytest.mark.parametrize(
("left", "right", "op"),
# Below we'll generate every possible combination of VERSIONS that
# should be False for the given operator
list(
itertools.chain.from_iterable(
# Verify that the less than (<) operator works correctly
[
[(x, y, operator.lt) for y in VERSIONS[: i + 1]]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the less than equal (<=) operator works correctly
[
[(x, y, operator.le) for y in VERSIONS[:i]]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the equal (==) operator works correctly
[
[(x, y, operator.eq) for j, y in enumerate(VERSIONS) if i != j]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the not equal (!=) operator works correctly
[[(x, x, operator.ne) for x in VERSIONS]]
+
# Verify that the greater than equal (>=) operator works correctly
[
[(x, y, operator.ge) for y in VERSIONS[i + 1 :]]
for i, x in enumerate(VERSIONS)
]
+
# Verify that the greater than (>) operator works correctly
[
[(x, y, operator.gt) for y in VERSIONS[i:]]
for i, x in enumerate(VERSIONS)
]
)
),
)
def test_comparison_false(
self, left: str, right: str, op: Callable[[Version, Version], bool]
) -> None:
assert not op(Version(left), Version(right))
@pytest.mark.parametrize("op", ["lt", "le", "eq", "ge", "gt", "ne"])
def test_dunder_op_returns_notimplemented(self, op: str) -> None:
method = getattr(Version, f"__{op}__")
assert method(Version("1"), 1) is NotImplemented
@pytest.mark.parametrize(("op", "expected"), [("eq", False), ("ne", True)])
def test_compare_other(self, op: str, expected: bool) -> None:
other = pretend.stub(**{f"__{op}__": lambda _: NotImplemented})
assert getattr(operator, op)(Version("1"), other) is expected
@pytest.mark.parametrize(
"op", ["__lt__", "__le__", "__eq__", "__ge__", "__gt__", "__ne__"]
)
def test_base_version_notimplemented_with_non_base_version(self, op: str) -> None:
"""Test _BaseVersion returns NotImplemented with non-_BaseVersion."""
v = SimpleVersion("1.0")
assert getattr(v, op)(1) is NotImplemented
def test_base_version_hash(self) -> None:
"""Test that _BaseVersion hash works"""
v = SimpleVersion("1.0")
assert isinstance(hash(v), int)
def test_base_version_ne_with_base_version(self) -> None:
"""Test _BaseVersion.__ne__ with another _BaseVersion."""
v1 = SimpleVersion("1.0")
v2 = SimpleVersion("2.0")
assert v1 != v2
def test_gt_with_cached_other(self) -> None:
"""__gt__ fast path when other already has a cached key."""
other = Version("1.0")
# Warm other's key cache.
_ = other < Version("2.0")
# Fresh version on the left, cached one on the right.
assert Version("2.0") > other
def test_version_compare_with_base_version_subclass(self) -> None:
"""Test Version comparison with another _BaseVersion subclass"""
v1 = Version("1.0")
v2 = SimpleVersion("1.0")
# All comparisons should work with compatible keys
assert v1 == v2
assert v1 <= v2
assert v1 >= v2
assert v1 == v2
assert not (v1 < v2)
assert not (v1 > v2)
# Test with different versions to exercise != path
v3 = Version("1.0")
v4 = SimpleVersion("2.0")
assert v3 != v4
def test_version_ne_with_uncached_keys(self) -> None:
"""Test Version.__ne__ populates cache when comparing with another Version"""
v1 = Version("1.0")
v2 = Version("2.0")
# Test with both caches None
result = v1 != v2
assert result is True
# Test with v1 cached, v3 uncached
v3 = Version("1.5")
result = v1 != v3
assert result is True
# Test with v3 cached, v4 uncached (the reverse case)
v4 = Version("1.2")
result = v4 != v3
assert result is True
def test_version_le_with_uncached_keys(self) -> None:
"""Test Version.__le__ populates cache when comparing with another Version"""
v1 = Version("1.0")
v2 = Version("2.0")
# Test <= with both caches None
result = v1 <= v2
assert result is True
# Test with v1 cached (from above), v3 uncached
v3 = Version("1.5")
result = v1 <= v3
assert result is True
def test_major_version(self) -> None:
assert Version("2.1.0").major == 2
def test_minor_version(self) -> None:
assert Version("2.1.0").minor == 1
assert Version("2").minor == 0
def test_micro_version(self) -> None:
assert Version("2.1.3").micro == 3
assert Version("2.1").micro == 0
assert Version("2").micro == 0
# Tests for replace() method
def test_replace_no_args(self) -> None:
"""replace() with no arguments should return an equivalent version"""
v = Version("1.2.3a1.post2.dev3+local")
v_replaced = replace(v)
assert v == v_replaced
assert str(v) == str(v_replaced)
def test_replace_epoch(self) -> None:
v = Version("1.2.3")
assert str(replace(v, epoch=2)) == "2!1.2.3"
assert replace(v, epoch=0).epoch == 0
v_with_epoch = Version("1!1.2.3")
assert str(replace(v_with_epoch, epoch=2)) == "2!1.2.3"
assert str(replace(v_with_epoch, epoch=None)) == "1.2.3"
def test_replace_release_tuple(self) -> None:
v = Version("1.2.3")
assert str(replace(v, release=(2, 0, 0))) == "2.0.0"
assert str(replace(v, release=(1,))) == "1"
assert str(replace(v, release=(1, 2, 3, 4, 5))) == "1.2.3.4.5"
def test_replace_release_none(self) -> None:
v = Version("1.2.3")
assert str(replace(v, release=None)) == "0"
def test_replace_pre_alpha(self) -> None:
v = Version("1.2.3")
assert str(replace(v, pre=("a", 1))) == "1.2.3a1"
assert str(replace(v, pre=("A", 0))) == "1.2.3a0"
assert str(replace(v, pre=("Alpha", 2))) == "1.2.3a2"
def test_replace_pre_alpha_none(self) -> None:
v = Version("1.2.3a1")
assert str(replace(v, pre=None)) == "1.2.3"
def test_replace_pre_beta(self) -> None:
v = Version("1.2.3")
assert str(replace(v, pre=("b", 1))) == "1.2.3b1"
assert str(replace(v, pre=("b", 0))) == "1.2.3b0"
assert str(replace(v, pre=("bEta", 2))) == "1.2.3b2"
def test_replace_pre_beta_none(self) -> None:
v = Version("1.2.3b1")
assert str(replace(v, pre=None)) == "1.2.3"
def test_replace_pre_rc(self) -> None:
v = Version("1.2.3")
assert str(replace(v, pre=("rc", 1))) == "1.2.3rc1"
assert str(replace(v, pre=("rc", 0))) == "1.2.3rc0"
def test_replace_pre_rc_none(self) -> None:
v = Version("1.2.3rc1")
assert str(replace(v, pre=None)) == "1.2.3"
def test_replace_post(self) -> None:
v = Version("1.2.3")
assert str(replace(v, post=1)) == "1.2.3.post1"
assert str(replace(v, post=0)) == "1.2.3.post0"
def test_replace_post_none(self) -> None:
v = Version("1.2.3.post1")
assert str(replace(v, post=None)) == "1.2.3"
def test_replace_dev(self) -> None:
v = Version("1.2.3")
assert str(replace(v, dev=1)) == "1.2.3.dev1"
assert str(replace(v, dev=0)) == "1.2.3.dev0"
def test_replace_dev_none(self) -> None:
v = Version("1.2.3.dev1")
assert str(replace(v, dev=None)) == "1.2.3"
def test_replace_local_string(self) -> None:
v = Version("1.2.3")
assert str(replace(v, local="abc")) == "1.2.3+abc"
assert str(replace(v, local="abc.123")) == "1.2.3+abc.123"
assert str(replace(v, local="abc-123")) == "1.2.3+abc.123"
def test_replace_local_none(self) -> None:
v = Version("1.2.3+local")
assert str(replace(v, local=None)) == "1.2.3"
def test_replace_multiple_components(self) -> None:
v = Version("1.2.3")
assert str(replace(v, pre=("a", 1), post=1)) == "1.2.3a1.post1"
assert str(replace(v, release=(2, 0, 0), pre=("b", 2), dev=1)) == "2.0.0b2.dev1"
assert str(replace(v, epoch=1, release=(3, 0), local="abc")) == "1!3.0+abc"
def test_replace_clear_all_optional(self) -> None:
v = Version("1!1.2.3a1.post2.dev3+local")
cleared = replace(v, epoch=None, pre=None, post=None, dev=None, local=None)
assert str(cleared) == "1.2.3"
def test_replace_preserves_comparison(self) -> None:
v1 = Version("1.2.3")
v2 = Version("1.2.4")
v1_new = replace(v1, release=(1, 2, 4))
assert v1_new == v2
assert v1 < v2
assert v1_new >= v2
def test_replace_preserves_hash(self) -> None:
v1 = Version("1.2.3")
v2 = replace(v1, release=(1, 2, 3))
assert hash(v1) == hash(v2)
v3 = replace(v1, release=(2, 0, 0))
assert hash(v1) != hash(v3)
def test_replace_returns_same_instance_when_unchanged(self) -> None:
"""replace() returns the exact same object when no components change"""
v = Version("1.2.3a1.post2.dev3+local")
assert replace(v) is v
assert replace(v, epoch=0) is v
assert replace(v, release=(1, 2, 3)) is v
assert replace(v, pre=("a", 1)) is v
assert replace(v, post=2) is v
assert replace(v, dev=3) is v
assert replace(v, local="local") is v
def test_replace_change_pre_type(self) -> None:
"""Can change from one pre-release type to another"""
v = Version("1.2.3a1")
assert str(replace(v, pre=("b", 2))) == "1.2.3b2"
assert str(replace(v, pre=("rc", 1))) == "1.2.3rc1"
v2 = Version("1.2.3rc5")
assert str(replace(v2, pre=("a", 0))) == "1.2.3a0"
def test_replace_invalid_epoch_type(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="epoch must be non-negative"):
replace(v, epoch="1") # type: ignore[arg-type]
def test_replace_invalid_post_type(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="post must be non-negative"):
replace(v, post="1") # type: ignore[arg-type]
def test_replace_invalid_dev_type(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="dev must be non-negative"):
replace(v, dev="1") # type: ignore[arg-type]
def test_replace_invalid_epoch_negative(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="epoch must be non-negative"):
replace(v, epoch=-1)
def test_replace_invalid_release_empty(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="release must be a non-empty tuple"):
replace(v, release=())
def test_replace_invalid_release_tuple_content(self) -> None:
v = Version("1.2.3")
with pytest.raises(
InvalidVersion, match="release must be a non-empty tuple of non-negative"
):
replace(v, release=(1, -2, 3))
def test_replace_invalid_pre_negative(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="pre must be a tuple"):
replace(v, pre=("a", -1))
def test_replace_invalid_pre_type(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="pre must be a tuple"):
replace(v, pre=("x", 1))
def test_replace_invalid_pre_format(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="pre must be a tuple"):
replace(v, pre="a1") # type: ignore[arg-type]
with pytest.raises(InvalidVersion, match="pre must be a tuple"):
replace(v, pre=("a",)) # type: ignore[arg-type]
with pytest.raises(InvalidVersion, match="pre must be a tuple"):
replace(v, pre=("a", 1, 2)) # type: ignore[arg-type]
def test_replace_invalid_post_negative(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="post must be non-negative"):
replace(v, post=-1)
def test_replace_invalid_dev_negative(self) -> None:
v = Version("1.2.3")
with pytest.raises(InvalidVersion, match="dev must be non-negative"):
replace(v, dev=-1)
def test_replace_invalid_local_string(self) -> None:
v = Version("1.2.3")
with pytest.raises(
InvalidVersion, match="local must be a valid version string"
):
replace(v, local="abc+123")
with pytest.raises(
InvalidVersion, match="local must be a valid version string"
):
replace(v, local="+abc")
# Taken from hatchling 1.28
def reset_version_parts(version: Version, **kwargs: typing.Any) -> None: # noqa: ANN401
# https://github.com/pypa/packaging/blob/20.9/packaging/version.py#L301-L310
internal_version = version._version
parts: dict[str, typing.Any] = {}
ordered_part_names = ("epoch", "release", "pre", "post", "dev", "local")
reset = False
for part_name in ordered_part_names:
if reset:
parts[part_name] = kwargs.get(part_name)
elif part_name in kwargs:
parts[part_name] = kwargs[part_name]
reset = True
else:
parts[part_name] = getattr(internal_version, part_name)
version._version = type(internal_version)(**parts)
# These will be deprecated in 26.1, and removed in the future
def test_deprecated__version() -> None:
v = Version("1.2.3")
with pytest.warns(DeprecationWarning, match="is private"):
assert v._version.release == (1, 2, 3)
def test_hatchling_usage__version() -> None:
v = Version("2.3.4")
with pytest.warns(DeprecationWarning, match="is private"):
reset_version_parts(v, post=("post", 1))
assert v == Version("2.3.4.post1")
@pytest.mark.parametrize(
("args", "string"),
[
({"release": (1, 2, 3)}, "1.2.3"),
({"release": (1, 2, 3), "epoch": 2}, "2!1.2.3"),
({"release": (1, 2, 3), "pre": ("b", 1)}, "1.2.3b1"),
({"release": (1, 2, 3), "pre": ("B", 1)}, "1.2.3b1"),
({"release": (1, 2, 3), "pre": ("beta", 1)}, "1.2.3b1"),
({"release": (1, 2, 3), "post": 2}, "1.2.3post2"),
({"release": (1, 2, 3), "dev": 3}, "1.2.3.dev3"),
({"release": (1, 2, 3), "local": "abc"}, "1.2.3+abc"),
(
{
"release": (1, 2, 3),
"epoch": None,
"pre": None,
"post": None,
"dev": None,
"local": None,
},
"1.2.3",
),
(
{
"release": (2, 3, 4),
"epoch": 1,
"pre": ("a", 5),
"post": 6,
"dev": 7,
"local": "zzz",
},
"1!2.3.4a5.post6.dev7+zzz",
),
],
)
def test_from_parts(args: dict[str, typing.Any], string: str) -> None:
v = Version.from_parts(**args)
assert v == Version(string)
def test_from_parts_rejects_non_str_pre_letter() -> None:
# A non-string pre letter must raise InvalidVersion rather than escaping
# as an AttributeError from the normalization step.
with pytest.raises(InvalidVersion, match="pre must be a tuple"):
Version.from_parts(release=(1,), pre=(1, 1)) # type: ignore[arg-type]
@pytest.mark.parametrize(
"version",
[
"1.2.3",
"0.1.0",
"2.0a1",
"1.0b2",
"3.0rc1",
"1.0.post1",
"1.0.dev3",
"1!2.3.4a5.post6.dev7+zzz",
],
)
def test_pickle_roundtrip(version: str) -> None:
# Make sure equality and str() work between a pickle/unpickle round trip.
v = Version(version)
loaded = pickle.loads(pickle.dumps(v))
assert loaded == v
assert str(loaded) == str(v)
# Pickle bytes generated with packaging==25.0, Python 3.13.1, pickle protocol 2.
# These contain references to packaging._structures.InfinityType and
# NegativeInfinityType in the _key cache, which were removed in packaging 26.1.
_PACKAGING_25_0_PICKLE_V1_2_3 = (
b"\x80\x02cpackaging.version\nVersion\nq\x00)\x81q\x01}q\x02"
b"(X\x08\x00\x00\x00_versionq\x03cpackaging.version\n_Version\n"
b"q\x04(K\x00K\x01K\x02K\x03\x87q\x05NNNNtq\x06\x81q\x07X\x04"
b"\x00\x00\x00_keyq\x08(K\x00K\x01K\x02K\x03\x87q\tcpackaging._structures\n"
b"InfinityType\nq\n)\x81q\x0bcpackaging._structures\nNegativeInfinityType\n"
b"q\x0c)\x81q\rh\x0bh\rtq\x0eub."
)
_PACKAGING_25_0_PICKLE_V2_0A1 = (
b"\x80\x02cpackaging.version\nVersion\nq\x00)\x81q\x01}q\x02"
b"(X\x08\x00\x00\x00_versionq\x03cpackaging.version\n_Version\n"
b"q\x04(K\x00K\x02K\x00\x86q\x05NX\x01\x00\x00\x00aq\x06K\x01"
b"\x86q\x07NNtq\x08\x81q\tX\x04\x00\x00\x00_keyq\n(K\x00K\x02"
b"\x85q\x0bh\x07cpackaging._structures\nNegativeInfinityType\n"
b"q\x0c)\x81q\rcpackaging._structures\nInfinityType\nq\x0e)\x81"
b"q\x0fh\rtq\x10ub."
)
def test_pickle_old_format_loads() -> None:
# Verify that pickles created with packaging <= 25.x can be loaded
# and produce correct Version objects.
v = pickle.loads(_PACKAGING_25_0_PICKLE_V1_2_3)
assert isinstance(v, Version)
assert str(v) == "1.2.3"
assert v == Version("1.2.3")
assert v < Version("2.0")
assert v > Version("1.2.2")
v2 = pickle.loads(_PACKAGING_25_0_PICKLE_V2_0A1)
assert isinstance(v2, Version)
assert str(v2) == "2.0a1"
assert v2 == Version("2.0a1")
assert v2 < Version("2.0")
def test_pickle_old_format_re_pickled_is_clean() -> None:
# Verify that loading an old pickle and re-pickling it produces
# a clean payload that no longer references packaging._structures.
v = pickle.loads(_PACKAGING_25_0_PICKLE_V1_2_3)
new_data = pickle.dumps(v)
assert b"_structures" not in new_data
# And the re-pickled version still works.
v2 = pickle.loads(new_data)
assert v2 == Version("1.2.3")
assert str(v2) == "1.2.3"
# Pickle bytes generated with packaging==26.0, Python 3.13.1, pickle protocol 2.
# 26.0 used __slots__ (no __dict__), so the pickle state is (None, {slot: value}).
# The _key_cache slot still contains packaging._structures.InfinityType references.
_PACKAGING_26_0_PICKLE_V1_2_3 = (
b"\x80\x02cpackaging.version\nVersion\nq\x00)\x81q\x01N}q\x02"
b"(X\x04\x00\x00\x00_devq\x03NX\x06\x00\x00\x00_epochq\x04K\x00"
b"X\n\x00\x00\x00_key_cacheq\x05(K\x00K\x01K\x02K\x03\x87q\x06"
b"cpackaging._structures\nInfinityType\nq\x07)\x81q\x08cpackaging._structures\n"
b"NegativeInfinityType\nq\t)\x81q\nh\x08h\ntq\x0bX\x06\x00\x00\x00"
b"_localq\x0cNX\x05\x00\x00\x00_postq\rNX\x04\x00\x00\x00_preq\x0e"
b"NX\x08\x00\x00\x00_releaseq\x0fh\x06u\x86q\x10b."
)
def test_pickle_26_0_slots_format_loads() -> None:
# Verify that pickles created with packaging 26.0 (__slots__, no __reduce__)
# can be loaded and produce correct Version objects.
v = pickle.loads(_PACKAGING_26_0_PICKLE_V1_2_3)
assert isinstance(v, Version)
assert str(v) == "1.2.3"
assert v == Version("1.2.3")
assert v < Version("2.0")
assert v > Version("1.2.2")
# Pickle bytes generated with packaging 26.2+ (6-tuple __getstate__ format),
# Python 3.13.1, pickle protocol 2.
_PACKAGING_26_2_TUPLE_PICKLE_V1E2_3_4A5_POST6_DEV7_ZZZ = (
b"\x80\x02cpackaging.version\nVersion\nq\x00)\x81q\x01(K\x01K\x02K\x03"
b"K\x04\x87q\x02X\x01\x00\x00\x00aq\x03K\x05\x86q\x04X\x04\x00\x00"
b"\x00postq\x05K\x06\x86q\x06X\x03\x00\x00\x00devq\x07K\x07\x86q\x08"
b"X\x03\x00\x00\x00zzzq\t\x85q\ntq\x0bb."
)
def test_pickle_26_2_tuple_getstate_loads() -> None:
# Verify that pickles created with packaging 26.2+ (6-tuple __getstate__)
# can be loaded and produce correct Version objects.
v = pickle.loads(_PACKAGING_26_2_TUPLE_PICKLE_V1E2_3_4A5_POST6_DEV7_ZZZ)
assert isinstance(v, Version)
assert str(v) == "1!2.3.4a5.post6.dev7+zzz"
assert v == Version("1!2.3.4a5.post6.dev7+zzz")
assert v.epoch == 1
assert v.release == (2, 3, 4)
assert v.pre == ("a", 5)
assert v.post == 6
assert v.dev == 7
assert v.local == "zzz"
def test_pickle_setstate_rejects_invalid_state() -> None:
# Cover the TypeError branches in __setstate__ for invalid input.
v = Version.__new__(Version)
# dict without "_version" key
with pytest.raises(TypeError, match="Cannot restore Version"):
v.__setstate__({"bad_key": 123})
# tuple with non-dict second element
with pytest.raises(TypeError, match="Cannot restore Version"):
v.__setstate__((None, "not_a_dict"))
# tuple with unexpected length (not 2 or 6)
with pytest.raises(TypeError, match="Cannot restore Version"):
v.__setstate__((1, 2, 3))
# completely wrong type
with pytest.raises(TypeError, match="Cannot restore Version"):
v.__setstate__(12345)
def test_structures_shim_repr() -> None:
# Cover the __repr__ methods on the backward-compatibility shim classes.
assert repr(Infinity) == "Infinity"
assert repr(NegativeInfinity) == "-Infinity"
def test_trimmed_release_hash_from_unhashed_version() -> None:
# Regression test for GH-1239: hashing a _TrimmedRelease built from a fresh
# Version must not raise AttributeError from the uncopied _hash_cache slot.
v = Version("1.0")
tr = _TrimmedRelease(v)
assert hash(tr) == hash(v)
def test_trimmed_release_hash_from_prehashed_version() -> None:
# Hashing a _TrimmedRelease built from a Version whose hash has already
# been computed and cached must also work correctly.
v = Version("1.0")
_ = hash(v) # Populate the hash cache on the source Version.
tr = _TrimmedRelease(v)
assert hash(tr) == hash(v)
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