[content/test/gpu] Run pylint check of gpu tests in unittest instead of PRESUBMIT

third_party/logilab/logilab/astroid/brain/pynose.py

+# copyright 2003-2015 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of astroid.
+#
+# astroid is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by the
+# Free Software Foundation, either version 2.1 of the License, or (at your
+# option) any later version.
+#
+# astroid is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with astroid. If not, see <http://www.gnu.org/licenses/>.
+
+"""Hooks for nose library."""
+
+import re
+import unittest
+
+from astroid import List, MANAGER, register_module_extender
+from astroid.builder import AstroidBuilder
+
+
+def _pep8(name, caps=re.compile('([A-Z])')):
+    return caps.sub(lambda m: '_' + m.groups()[0].lower(), name)
+
+
+def nose_transform():
+    """Custom transform for the nose.tools module."""
+
+    builder = AstroidBuilder(MANAGER)
+    stub = AstroidBuilder(MANAGER).string_build('''__all__ = []''')
+    unittest_module = builder.module_build(unittest.case)
+    case = unittest_module['TestCase']
+    all_entries = ['ok_', 'eq_']
+
+    for method_name, method in case.locals.items():
+        if method_name.startswith('assert') and '_' not in method_name:
+            pep8_name = _pep8(method_name)
+            all_entries.append(pep8_name)
+            stub[pep8_name] = method[0]
+
+    # Update the __all__ variable, since nose.tools
+    # does this manually with .append.
+    all_assign = stub['__all__'].parent
+    all_object = List(all_entries)
+    all_object.parent = all_assign
+    all_assign.value = all_object
+    return stub
+
+
+register_module_extender(MANAGER, 'nose.tools.trivial', nose_transform)