Add support for pip==23.2 where refactored out DEV_PKGS

piptools/_compat/__init__.py

@@ -4,7 +4,14 @@
     PIP_VERSION,
     Distribution,
     create_wheel_cache,
+    get_dev_pkgs,
     parse_requirements,
 )
 
-__all__ = ["PIP_VERSION", "Distribution", "parse_requirements", "create_wheel_cache"]
+__all__ = [
+    "PIP_VERSION",
+    "Distribution",
+    "parse_requirements",
+    "create_wheel_cache",
+    "get_dev_pkgs",
+]

piptools/_compat/pip_compat.py

@@ -2,7 +2,7 @@
 
 import optparse
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Iterable, Iterator
+from typing import TYPE_CHECKING, Iterable, Iterator, Set, cast
 
 import pip
 from pip._internal.cache import WheelCache
@@ -82,3 +82,14 @@ def create_wheel_cache(cache_dir: str, format_control: str | None = None) -> Whe
     if PIP_VERSION[:2] <= (23, 0):
         kwargs["format_control"] = format_control
     return WheelCache(**kwargs)
+
+
+def get_dev_pkgs() -> set[str]:
+    if PIP_VERSION[:2] <= (23, 1):
+        from pip._internal.commands.freeze import DEV_PKGS
+
+        return cast(Set[str], DEV_PKGS)
+
+    from pip._internal.commands.freeze import _dev_pkgs
+
+    return cast(Set[str], _dev_pkgs())

piptools/sync.py

@@ -8,7 +8,6 @@
 from typing import Deque, Iterable, Mapping, ValuesView
 
 import click
-from pip._internal.commands.freeze import DEV_PKGS
 from pip._internal.models.direct_url import ArchiveInfo
 from pip._internal.req import InstallRequirement
 from pip._internal.utils.compat import stdlib_pkgs
@@ -17,7 +16,7 @@
     direct_url_from_link,
 )
 
-from ._compat import Distribution
+from ._compat import Distribution, get_dev_pkgs
 from .exceptions import IncompatibleRequirements
 from .logging import log
 from .utils import (
@@ -36,7 +35,7 @@
     "pip-review",
     "pkg-resources",
     *stdlib_pkgs,
-    *DEV_PKGS,
+    *get_dev_pkgs(),
 ]