pip 23 finally broke my use of pip internal functions to parse requirements because it appears to 'sandbox' the setup() function. So I'm changing to a more naive approach.

Author: jdelic

.ci/concourse/test_pipeline.yaml

@@ -31,6 +31,8 @@ jobs:
                 params:
                     state: pending
                     commit: authserver
+          - task: setup-env
+            file: authserver/.ci/concourse/mypy-env.yaml
           - task: run-mypy
             file: authserver/.ci/concourse/mypy.yaml
             on_failure:

authserver/mailauth/patches/auth.py

@@ -13,9 +13,8 @@
 
 def mauth_identify_hasher(encoded: str) -> 'hashers.BasePasswordHasher':
     from mailauth.auth import UnixCryptCompatibleSHA256Hasher
-    from django.contrib.auth import hashers
     _log.debug("mauth_identify_hasher called (%s)", encoded)
-    if encoded.startswith("$5"):
+    if orig_identify_hasher is None or encoded.startswith("$5"):
         return UnixCryptCompatibleSHA256Hasher()
     return orig_identify_hasher(encoded)
 

setup.py

@@ -7,21 +7,7 @@
 from setuptools import setup, find_packages
 
 
-try:
-    from pip._internal.req import parse_requirements
-except ImportError:
-    from pip.req import parse_requirements
-
-try:
-    from pip._internal.download import PipSession
-except ImportError:
-    try:
-        from pip.download import PipSession
-    except ImportError:
-        from pip._internal.network.session import PipSession
-
-
-_INCLUDE = re.compile("\.(txt|gif|jpg|png|css|html|js|xml|po|mo)$")
+_INCLUDE = re.compile(r"\.(txt|gif|jpg|png|css|html|js|xml|po|mo)$")
 _HERE = os.path.abspath(os.path.dirname(__file__))
 
 
@@ -73,10 +59,8 @@ def read_version() -> str:
 
 _packages = find_packages(where='authserver', exclude=["*.tests", "*.tests.*", "tests.*", "tests"])
 
-pipsession = PipSession()
-reqs_generator = parse_requirements(os.path.join(_HERE, "requirements.txt"),
-                                    session=pipsession)  # prepend setup.py's path (make no assumptions about cwd)
-reqs = [(str(r.requirement) if hasattr(r, 'requirement') else str(r.req)) for r in reqs_generator]
+with open(os.path.join(_HERE, "requirements.txt"), "rt") as reqfile:
+    reqs = reqfile.readlines()
 
 # on windows remove python-daemon
 if sys.platform == "win32":