Handle Python3.12a7 compatibility problems (#3897)

Author: abravalheri

pkg_resources/__init__.py

@@ -3046,6 +3046,9 @@ def has_version(self):
         except ValueError:
             issue_warning("Unbuilt egg for " + repr(self))
             return False
+        except SystemError:
+            # TODO: remove this except clause when python/cpython#103632 is fixed.
+            return False
         return True
 
     def clone(self, **kw):

pkg_resources/tests/test_pkg_resources.py

@@ -256,6 +256,10 @@ def make_distribution_no_version(tmpdir, basename):
         ('dist-info', 'METADATA', DistInfoDistribution),
     ],
 )
+@pytest.mark.xfail(
+    sys.version_info[:2] == (3, 12) and sys.version_info.releaselevel != 'final',
+    reason="https://github.com/python/cpython/issues/103632",
+)
 def test_distribution_version_missing(
         tmpdir, suffix, expected_filename, expected_dist_type):
     """
@@ -286,6 +290,10 @@ def test_distribution_version_missing(
     assert type(dist) == expected_dist_type
 
 
+@pytest.mark.xfail(
+    sys.version_info[:2] == (3, 12) and sys.version_info.releaselevel != 'final',
+    reason="https://github.com/python/cpython/issues/103632",
+)
 def test_distribution_version_missing_undetected_path():
     """
     Test Distribution.version when the "Version" header is missing and

pkg_resources/tests/test_resources.py

@@ -319,6 +319,10 @@ def test_marker_evaluation_with_extras_loop(self):
         res = list(ws.resolve(parse_requirements("a"), ad))
         assert res == [a, c, b, foo]
 
+    @pytest.mark.xfail(
+        sys.version_info[:2] == (3, 12) and sys.version_info.releaselevel != 'final',
+        reason="https://github.com/python/cpython/issues/103632",
+    )
     def testDistroDependsOptions(self):
         d = self.distRequires("""
             Twisted>=1.5

pytest.ini

@@ -36,6 +36,9 @@ filterwarnings=
 	# python/cpython#100750
 	ignore:'encoding' argument not specified::platform
 
+	# Dependencies might not have been updated yet
+	default:onerror argument is deprecated, use onexc instead
+
 	## end upstream
 
 	# https://github.com/pypa/setuptools/issues/1823

setuptools/command/easy_install.py

@@ -62,6 +62,7 @@
     VersionConflict, DEVELOP_DIST,
 )
 import pkg_resources
+from .. import py312compat
 from .._path import ensure_directory
 from ..extern.jaraco.text import yield_lines
 
@@ -202,7 +203,7 @@ def _delete_path(self, path):
             return
 
         is_tree = os.path.isdir(path) and not os.path.islink(path)
-        remover = rmtree if is_tree else os.unlink
+        remover = _rmtree if is_tree else os.unlink
         remover(path)
 
     @staticmethod
@@ -645,7 +646,7 @@ def _tmpdir(self):
             # cast to str as workaround for #709 and #710 and #712
             yield str(tmpdir)
         finally:
-            os.path.exists(tmpdir) and rmtree(tmpdir)
+            os.path.exists(tmpdir) and _rmtree(tmpdir)
 
     def easy_install(self, spec, deps=False):
         with self._tmpdir() as tmpdir:
@@ -1182,7 +1183,7 @@ def build_and_install(self, setup_script, setup_base):
                          dist_dir)
             return eggs
         finally:
-            rmtree(dist_dir)
+            _rmtree(dist_dir)
             log.set_verbosity(self.verbose)  # restore our log verbosity
 
     def _set_fetcher_options(self, base):
@@ -2289,8 +2290,8 @@ def load_launcher_manifest(name):
     return manifest.decode('utf-8') % vars()
 
 
-def rmtree(path, ignore_errors=False, onerror=auto_chmod):
-    return shutil.rmtree(path, ignore_errors, onerror)
+def _rmtree(path, ignore_errors=False, onexc=auto_chmod):
+    return py312compat.shutil_rmtree(path, ignore_errors, onexc)
 
 
 def current_umask():

setuptools/py312compat.py

@@ -0,0 +1,12 @@
+import sys
+import shutil
+
+
+def shutil_rmtree(path, ignore_errors=False, onexc=None):
+    if sys.version_info >= (3, 12):
+        return shutil.rmtree(path, ignore_errors, onexc=onexc)
+
+    def _handler(fn, path, excinfo):
+        return onexc(fn, path, excinfo[1])
+
+    return shutil.rmtree(path, ignore_errors, onerror=_handler)