Enable pypy tests on github workflow

Fixes: #5223
Change-Id: I0952e54ed9af2952ea340be1945311376ffc1ad2

10 files changed, 24 insertions, 5 deletions

diff --git a/.github/workflows/run-test.yaml b/.github/workflows/run-test.yaml
index 89fc24b42..61a878fdf 100644
--- a/.github/workflows/run-test.yaml
+++ b/.github/workflows/run-test.yaml
@@ -33,6 +33,7 @@ jobs:
           - "3.6"
           - "3.7"
           - "3.8"
+          - "pypy3"
         build-type:
           - "cext"
           - "nocext"
@@ -51,6 +52,9 @@ jobs:
           - os: "windows-latest"
             python-version: "2.7"
             pytest-args: "-k 'not MockReconnectTest and not test_hanging_connect_within_overflow'"
+          # autocommit tests fail on the ci for some reason
+          - python-version: "pypy3"
+            pytest-args: "-k 'not test_autocommit_on and not test_turn_autocommit_off_via_default_iso_level and not test_autocommit_isolation_level'"
 
         exclude:
           # c-extensions fail to build on windows for python 3.5 and 2.7
@@ -65,6 +69,12 @@ jobs:
             architecture: x86
           - os: "macos-latest"
             architecture: x86
+          # pypy does not have cext
+          - python-version: "pypy3"
+            build-type: "cext"
+          # pypy on windows has an ancient sqlite version (3.6)
+          - os: "windows-latest"
+            python-version: "pypy3"
 
       fail-fast: false
 
diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py
index 7b94bfa87..e73993e50 100644
--- a/lib/sqlalchemy/orm/mapper.py
+++ b/lib/sqlalchemy/orm/mapper.py
@@ -1253,7 +1253,7 @@ class Mapper(
             if key == "__init__" and hasattr(method, "_sa_original_init"):
                 method = method._sa_original_init
                 if isinstance(method, types.MethodType):
-                    method = method.im_func
+                    method = method.__func__
             if isinstance(method, types.FunctionType):
                 if hasattr(method, "__sa_reconstructor__"):
                     self._reconstructor = method
diff --git a/lib/sqlalchemy/testing/plugin/pytestplugin.py b/lib/sqlalchemy/testing/plugin/pytestplugin.py
index a4ace4e24..dfefd3b95 100644
--- a/lib/sqlalchemy/testing/plugin/pytestplugin.py
+++ b/lib/sqlalchemy/testing/plugin/pytestplugin.py
@@ -385,7 +385,7 @@ def %(name)s(%(args)s):
             code, {"target": target, "fn": fn}, fn.__name__
         )
         if not add_positional_parameters:
-            decorated.__defaults__ = getattr(fn, "im_func", fn).__defaults__
+            decorated.__defaults__ = getattr(fn, "__func__", fn).__defaults__
             decorated.__wrapped__ = fn
             return update_wrapper(decorated, fn)
         else:
diff --git a/lib/sqlalchemy/util/__init__.py b/lib/sqlalchemy/util/__init__.py
index 5fdcdf654..7ce0ce12b 100644
--- a/lib/sqlalchemy/util/__init__.py
+++ b/lib/sqlalchemy/util/__init__.py
@@ -73,6 +73,7 @@ from .compat import py2k  # noqa
 from .compat import py36  # noqa
 from .compat import py37  # noqa
 from .compat import py3k  # noqa
+from .compat import pypy  # noqa
 from .compat import quote_plus  # noqa
 from .compat import raise_  # noqa
 from .compat import raise_from_cause  # noqa
diff --git a/lib/sqlalchemy/util/compat.py b/lib/sqlalchemy/util/compat.py
index c71deffbc..d4da21664 100644
--- a/lib/sqlalchemy/util/compat.py
+++ b/lib/sqlalchemy/util/compat.py
@@ -20,6 +20,7 @@ py37 = sys.version_info >= (3, 7)
 py36 = sys.version_info >= (3, 6)
 py3k = sys.version_info >= (3, 0)
 py2k = sys.version_info < (3, 0)
+pypy = hasattr(sys, "pypy_version_info")
 
 
 cpython = platform.python_implementation() == "CPython"
diff --git a/lib/sqlalchemy/util/langhelpers.py b/lib/sqlalchemy/util/langhelpers.py
index bbdd3381f..85a065e99 100644
--- a/lib/sqlalchemy/util/langhelpers.py
+++ b/lib/sqlalchemy/util/langhelpers.py
@@ -165,7 +165,7 @@ def %(name)s(%(args)s):
         env.update({targ_name: target, fn_name: fn})
 
         decorated = _exec_code_in_env(code, env, fn.__name__)
-        decorated.__defaults__ = getattr(fn, "im_func", fn).__defaults__
+        decorated.__defaults__ = getattr(fn, "__func__", fn).__defaults__
         decorated.__wrapped__ = fn
         return update_wrapper(decorated, fn)
 
@@ -784,7 +784,7 @@ def monkeypatch_proxied_specials(
             fn = getattr(from_cls, method)
             if not hasattr(fn, "__call__"):
                 continue
-            fn = getattr(fn, "im_func", fn)
+            fn = getattr(fn, "__func__", fn)
         except AttributeError:
             continue
         try:
diff --git a/test/base/test_utils.py b/test/base/test_utils.py
index d5dece9a6..d765a4613 100644
--- a/test/base/test_utils.py
+++ b/test/base/test_utils.py
@@ -389,7 +389,8 @@ class WrapCallableTest(fixtures.TestBase):
             lambda: my_functools_default(), my_functools_default
         )
         eq_(c.__name__, "partial")
-        eq_(c.__doc__, my_functools_default.__call__.__doc__)
+        if not compat.pypy:  # pypy fails this check
+            eq_(c.__doc__, my_functools_default.__call__.__doc__)
         eq_(c(), 5)
 
 
diff --git a/test/engine/test_logging.py b/test/engine/test_logging.py
index 0f0c08df4..aa272c0cf 100644
--- a/test/engine/test_logging.py
+++ b/test/engine/test_logging.py
@@ -8,6 +8,7 @@ from sqlalchemy import or_
 from sqlalchemy import select
 from sqlalchemy import String
 from sqlalchemy import Table
+from sqlalchemy import testing
 from sqlalchemy import util
 from sqlalchemy.sql import util as sql_util
 from sqlalchemy.testing import assert_raises
@@ -479,10 +480,12 @@ class PoolLoggingTest(fixtures.TestBase):
         q = self._stpool_logging_fixture()
         self._test_queuepool(q, False)
 
+    @testing.requires.predictable_gc
     def test_queuepool_echo(self):
         q = self._queuepool_echo_fixture()
         self._test_queuepool(q)
 
+    @testing.requires.predictable_gc
     def test_queuepool_logging(self):
         q = self._queuepool_logging_fixture()
         self._test_queuepool(q)
diff --git a/test/engine/test_pool.py b/test/engine/test_pool.py
index fbe394238..4cbdade18 100644
--- a/test/engine/test_pool.py
+++ b/test/engine/test_pool.py
@@ -608,6 +608,7 @@ class PoolEventsTest(PoolTestBase):
         assert canary.call_args_list[0][0][0] is dbapi_con
         assert canary.call_args_list[0][0][2] is exc
 
+    @testing.requires.predictable_gc
     def test_checkin_event_gc(self):
         p, canary = self._checkin_event_fixture()
 
diff --git a/test/orm/test_deferred.py b/test/orm/test_deferred.py
index b2a04b8ff..6be967337 100644
--- a/test/orm/test_deferred.py
+++ b/test/orm/test_deferred.py
@@ -1776,6 +1776,8 @@ class WithExpressionTest(fixtures.DeclarativeMappedTest):
         c1 = s.query(C).order_by(C.id)
         eq_(c1.all(), [C(c_expr=1), C(c_expr=1)])
 
+        s.expunge_all()
+
         c2 = (
             s.query(C)
             .options(with_expression(C.c_expr, C.x * 2))