Add support for Pip 23.3.2. (#2307)

The changelog is here: https://pip.pypa.io/en/stable/news/#v23-3-2

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
           - py311-pip20
           - py311-pip22_3_1
           - py311-pip23_1_2
-          - py312-pip23_3_1
+          - py312-pip23_3_2
           - pypy310-pip20
           - pypy310-pip22_3_1
           - pypy310-pip23_1_2
@@ -66,7 +66,7 @@ jobs:
           - py311-pip20-integration
           - py311-pip22_3_1-integration
           - py311-pip23_1_2-integration
-          - py312-pip23_3_1-integration
+          - py312-pip23_3_2-integration
           - pypy310-pip20-integration
           - pypy310-pip22_3_1-integration
           - pypy310-pip23_1_2-integration
@@ -107,10 +107,10 @@ jobs:
       matrix:
         include:
           - python-version: [ 3, 12 ]
-            tox-env: py312-pip23_3_1
+            tox-env: py312-pip23_3_2
             tox-env-python: python3.11
           - python-version: [ 3, 12 ]
-            tox-env: py312-pip23_3_1-integration
+            tox-env: py312-pip23_3_2-integration
             tox-env-python: python3.11
     steps:
       - name: Calculate Pythons to Expose

pex/pip/version.py

@@ -223,6 +223,15 @@ def values(cls):
         requires_python=">=3.7",
     )
 
+    v23_3_2 = PipVersionValue(
+        version="23.3.2",
+        # N.B.: The setuptools 69.0.2 release was available on 12/17/2023 (the Pip 23.3.2 release
+        # date) but 68.0.0 is the last setuptools version to support 3.7.
+        setuptools_version="68.0.0",
+        wheel_version="0.42.0",
+        requires_python=">=3.7",
+    )
+
     VENDORED = v20_3_4_patched
     LATEST = LatestPipVersion()
     DEFAULT = DefaultPipVersion(preferred=(VENDORED, v23_2))

tox.ini

@@ -61,6 +61,7 @@ setenv =
     pip23_1_2: _PEX_PIP_VERSION=23.1.2
     pip23_2: _PEX_PIP_VERSION=23.2
     pip23_3_1: _PEX_PIP_VERSION=23.3.1
+    pip23_3_2: _PEX_PIP_VERSION=23.3.2
     # Python 3 (until a fix here in 3.9: https://bugs.python.org/issue13601) switched from stderr
     # being unbuffered to stderr being buffered by default. This can lead to tests checking stderr
     # failing to see what they expect if the stderr buffer block has not been flushed. Force stderr
@@ -72,7 +73,7 @@ whitelist_externals =
     bash
     git
 
-[testenv:py{py27-subprocess,py27,py35,py36,py37,py38,py39,py310,27,35,36,37,38,39,310,311,312}-{,pip20-,pip22_2-,pip22_3-,pip22_3_1-,pip23_0-,pip23_0_1-,pip23_1-,pip23_1_1-,pip23_1_2-,pip23_2-,pip23_3_1-}integration]
+[testenv:py{py27-subprocess,py27,py35,py36,py37,py38,py39,py310,27,35,36,37,38,39,310,311,312}-{,pip20-,pip22_2-,pip22_3-,pip22_3_1-,pip23_0-,pip23_0_1-,pip23_1-,pip23_1_1-,pip23_1_2-,pip23_2-,pip23_3_1-,pip23_3_2-}integration]
 deps =
     pytest-xdist==1.34.0
     {[testenv]deps}