Debugger: Disable optimization for test cases manually as they don't use distutils.core.setup()

Cython/Debugger/Tests/TestLibCython.py

@@ -16,6 +16,7 @@ from distutils import ccompiler
 
 import runtests
 import Cython.Distutils.extension
+import Cython.Distutils.build_ext
 from Cython.Debugger import Cygdb as cygdb
 
 root = os.path.dirname(os.path.abspath(__file__))
@@ -24,6 +25,10 @@ cfuncs_file = os.path.join(root, 'cfuncs.c')
 with open(codefile) as f:
     source_to_lineno = dict((line.strip(), i + 1) for i, line in enumerate(f))
 
+# Cython.Distutils.__init__ imports build_ext from build_ext which means we
+# can't access the module anymore. Get it from sys.modules instead.
+build_ext = sys.modules['Cython.Distutils.build_ext']
+
 class DebuggerTestCase(unittest.TestCase):
 
     def setUp(self):
@@ -52,6 +57,9 @@ class DebuggerTestCase(unittest.TestCase):
             module='codefile',
         )
 
+        optimization_disabler = build_ext.Optimization()
+        optimization_disabler.disable_optimization()
+
         cython_compile_testcase = runtests.CythonCompileTestCase(
             workdir=self.tempdir,
             # we clean up everything (not only compiled files)
@@ -77,6 +85,8 @@ class DebuggerTestCase(unittest.TestCase):
             **opts
         )
 
+        optimization_disabler.restore_state()
+
         # ext = Cython.Distutils.extension.Extension(
             # 'codefile',
             # ['codefile.pyx'],
@@ -95,6 +105,7 @@ class DebuggerTestCase(unittest.TestCase):
 
 
 class GdbDebuggerTestCase(DebuggerTestCase):
+
     def setUp(self):
         super(GdbDebuggerTestCase, self).setUp()
 

Cython/Debugger/Tests/test_libcython_in_gdb.py

@@ -14,6 +14,7 @@ import warnings
 import unittest
 import textwrap
 import tempfile
+import functools
 import traceback
 import itertools
 from test import test_support
@@ -28,12 +29,35 @@ from Cython.Debugger.Tests import TestLibCython as test_libcython
 sys.argv = ['gdb']
 
 
+def print_on_call_decorator(func):
+    @functools.wraps(func)
+    def wrapper(self, *args, **kwargs):
+        _debug(type(self).__name__, func.__name__)
+
+        try:
+            return func(self, *args, **kwargs)
+        except Exception, e:
+            _debug("An exception occurred:", traceback.format_exc(e))
+            raise
+
+    return wrapper
+
+class TraceMethodCallMeta(type):
+
+    def __init__(self, name, bases, dict):
+        for func_name, func in dict.iteritems():
+            if inspect.isfunction(func):
+                setattr(self, func_name, print_on_call_decorator(func))
+
+
 class DebugTestCase(unittest.TestCase):
     """
     Base class for test cases. On teardown it kills the inferior and unsets
     all breakpoints.
     """
 
+    __metaclass__ = TraceMethodCallMeta
+
     def __init__(self, name):
         super(DebugTestCase, self).__init__(name)
         self.cy = libcython.cy