Remove thirdparty/unittest2 from webkitpy and require python2.7.

Tools/Scripts/webkitpy/thirdparty/unittest2/loader.py

Index: Tools/Scripts/webkitpy/thirdparty/unittest2/loader.py
diff --git a/Tools/Scripts/webkitpy/thirdparty/unittest2/loader.py b/Tools/Scripts/webkitpy/thirdparty/unittest2/loader.py
deleted file mode 100644
index 690df41f8e14bc0745bd17326fd98f1de601b062..0000000000000000000000000000000000000000
--- a/Tools/Scripts/webkitpy/thirdparty/unittest2/loader.py
+++ /dev/null
@@ -1,322 +0,0 @@
-"""Loading unittests."""
-
-import os
-import re
-import sys
-import traceback
-import types
-import unittest
-
-from fnmatch import fnmatch
-
-from unittest2 import case, suite
-
-try:
-    from os.path import relpath
-except ImportError:
-    from unittest2.compatibility import relpath
-
-__unittest = True
-
-
-def _CmpToKey(mycmp):
-    'Convert a cmp= function into a key= function'
-    class K(object):
-        def __init__(self, obj):
-            self.obj = obj
-        def __lt__(self, other):
-            return mycmp(self.obj, other.obj) == -1
-    return K
-
-
-# what about .pyc or .pyo (etc)
-# we would need to avoid loading the same tests multiple times
-# from '.py', '.pyc' *and* '.pyo'
-VALID_MODULE_NAME = re.compile(r'[_a-z]\w*\.py$', re.IGNORECASE)
-
-
-def _make_failed_import_test(name, suiteClass):
-    message = 'Failed to import test module: %s' % name
-    if hasattr(traceback, 'format_exc'):
-        # Python 2.3 compatibility
-        # format_exc returns two frames of discover.py as well
-        message += '\n%s' % traceback.format_exc()
-    return _make_failed_test('ModuleImportFailure', name, ImportError(message),
-                             suiteClass)
-
-def _make_failed_load_tests(name, exception, suiteClass):
-    return _make_failed_test('LoadTestsFailure', name, exception, suiteClass)
-
-def _make_failed_test(classname, methodname, exception, suiteClass):
-    def testFailure(self):
-        raise exception
-    attrs = {methodname: testFailure}
-    TestClass = type(classname, (case.TestCase,), attrs)
-    return suiteClass((TestClass(methodname),))
-
-
-class TestLoader(unittest.TestLoader):
-    """
-    This class is responsible for loading tests according to various criteria
-    and returning them wrapped in a TestSuite
-    """
-    testMethodPrefix = 'test'
-    sortTestMethodsUsing = cmp
-    suiteClass = suite.TestSuite
-    _top_level_dir = None
-
-    def loadTestsFromTestCase(self, testCaseClass):
-        """Return a suite of all tests cases contained in testCaseClass"""
-        if issubclass(testCaseClass, suite.TestSuite):
-            raise TypeError("Test cases should not be derived from TestSuite."
-                            " Maybe you meant to derive from TestCase?")
-        testCaseNames = self.getTestCaseNames(testCaseClass)
-        if not testCaseNames and hasattr(testCaseClass, 'runTest'):
-            testCaseNames = ['runTest']
-        loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
-        return loaded_suite
-
-    def loadTestsFromModule(self, module, use_load_tests=True):
-        """Return a suite of all tests cases contained in the given module"""
-        tests = []
-        for name in dir(module):
-            obj = getattr(module, name)
-            if isinstance(obj, type) and issubclass(obj, unittest.TestCase):
-                tests.append(self.loadTestsFromTestCase(obj))
-
-        load_tests = getattr(module, 'load_tests', None)
-        tests = self.suiteClass(tests)
-        if use_load_tests and load_tests is not None:
-            try:
-                return load_tests(self, tests, None)
-            except Exception, e:
-                return _make_failed_load_tests(module.__name__, e,
-                                               self.suiteClass)
-        return tests
-
-    def loadTestsFromName(self, name, module=None):
-        """Return a suite of all tests cases given a string specifier.
-
-        The name may resolve either to a module, a test case class, a
-        test method within a test case class, or a callable object which
-        returns a TestCase or TestSuite instance.
-
-        The method optionally resolves the names relative to a given module.
-        """
-        parts = name.split('.')
-        if module is None:
-            parts_copy = parts[:]
-            while parts_copy:
-                try:
-                    module = __import__('.'.join(parts_copy))
-                    break
-                except ImportError:
-                    del parts_copy[-1]
-                    if not parts_copy:
-                        raise
-            parts = parts[1:]
-        obj = module
-        for part in parts:
-            parent, obj = obj, getattr(obj, part)
-
-        if isinstance(obj, types.ModuleType):
-            return self.loadTestsFromModule(obj)
-        elif isinstance(obj, type) and issubclass(obj, unittest.TestCase):
-            return self.loadTestsFromTestCase(obj)
-        elif (isinstance(obj, types.UnboundMethodType) and
-              isinstance(parent, type) and
-              issubclass(parent, case.TestCase)):
-            return self.suiteClass([parent(obj.__name__)])
-        elif isinstance(obj, unittest.TestSuite):
-            return obj
-        elif hasattr(obj, '__call__'):
-            test = obj()
-            if isinstance(test, unittest.TestSuite):
-                return test
-            elif isinstance(test, unittest.TestCase):
-                return self.suiteClass([test])
-            else:
-                raise TypeError("calling %s returned %s, not a test" %
-                                (obj, test))
-        else:
-            raise TypeError("don't know how to make test from: %s" % obj)
-
-    def loadTestsFromNames(self, names, module=None):
-        """Return a suite of all tests cases found using the given sequence
-        of string specifiers. See 'loadTestsFromName()'.
-        """
-        suites = [self.loadTestsFromName(name, module) for name in names]
-        return self.suiteClass(suites)
-
-    def getTestCaseNames(self, testCaseClass):
-        """Return a sorted sequence of method names found within testCaseClass
-        """
-        def isTestMethod(attrname, testCaseClass=testCaseClass,
-                         prefix=self.testMethodPrefix):
-            return attrname.startswith(prefix) and \
-                hasattr(getattr(testCaseClass, attrname), '__call__')
-        testFnNames = filter(isTestMethod, dir(testCaseClass))
-        if self.sortTestMethodsUsing:
-            testFnNames.sort(key=_CmpToKey(self.sortTestMethodsUsing))
-        return testFnNames
-
-    def discover(self, start_dir, pattern='test*.py', top_level_dir=None):
-        """Find and return all test modules from the specified start
-        directory, recursing into subdirectories to find them. Only test files
-        that match the pattern will be loaded. (Using shell style pattern
-        matching.)
-
-        All test modules must be importable from the top level of the project.
-        If the start directory is not the top level directory then the top
-        level directory must be specified separately.
-
-        If a test package name (directory with '__init__.py') matches the
-        pattern then the package will be checked for a 'load_tests' function. If
-        this exists then it will be called with loader, tests, pattern.
-
-        If load_tests exists then discovery does  *not* recurse into the package,
-        load_tests is responsible for loading all tests in the package.
-
-        The pattern is deliberately not stored as a loader attribute so that
-        packages can continue discovery themselves. top_level_dir is stored so
-        load_tests does not need to pass this argument in to loader.discover().
-        """
-        set_implicit_top = False
-        if top_level_dir is None and self._top_level_dir is not None:
-            # make top_level_dir optional if called from load_tests in a package
-            top_level_dir = self._top_level_dir
-        elif top_level_dir is None:
-            set_implicit_top = True
-            top_level_dir = start_dir
-
-        top_level_dir = os.path.abspath(top_level_dir)
-
-        if not top_level_dir in sys.path:
-            # all test modules must be importable from the top level directory
-            # should we *unconditionally* put the start directory in first
-            # in sys.path to minimise likelihood of conflicts between installed
-            # modules and development versions?
-            sys.path.insert(0, top_level_dir)
-        self._top_level_dir = top_level_dir
-
-        is_not_importable = False
-        if os.path.isdir(os.path.abspath(start_dir)):
-            start_dir = os.path.abspath(start_dir)
-            if start_dir != top_level_dir:
-                is_not_importable = not os.path.isfile(os.path.join(start_dir, '__init__.py'))
-        else:
-            # support for discovery from dotted module names
-            try:
-                __import__(start_dir)
-            except ImportError:
-                is_not_importable = True
-            else:
-                the_module = sys.modules[start_dir]
-                top_part = start_dir.split('.')[0]
-                start_dir = os.path.abspath(os.path.dirname((the_module.__file__)))
-                if set_implicit_top:
-                    self._top_level_dir = os.path.abspath(os.path.dirname(os.path.dirname(sys.modules[top_part].__file__)))
-                    sys.path.remove(top_level_dir)
-
-        if is_not_importable:
-            raise ImportError('Start directory is not importable: %r' % start_dir)
-
-        tests = list(self._find_tests(start_dir, pattern))
-        return self.suiteClass(tests)
-
-    def _get_name_from_path(self, path):
-        path = os.path.splitext(os.path.normpath(path))[0]
-
-        _relpath = relpath(path, self._top_level_dir)
-        assert not os.path.isabs(_relpath), "Path must be within the project"
-        assert not _relpath.startswith('..'), "Path must be within the project"
-
-        name = _relpath.replace(os.path.sep, '.')
-        return name
-
-    def _get_module_from_name(self, name):
-        __import__(name)
-        return sys.modules[name]
-
-    def _match_path(self, path, full_path, pattern):
-        # override this method to use alternative matching strategy
-        return fnmatch(path, pattern)
-
-    def _find_tests(self, start_dir, pattern):
-        """Used by discovery. Yields test suites it loads."""
-        paths = os.listdir(start_dir)
-
-        for path in paths:
-            full_path = os.path.join(start_dir, path)
-            if os.path.isfile(full_path):
-                if not VALID_MODULE_NAME.match(path):
-                    # valid Python identifiers only
-                    continue
-                if not self._match_path(path, full_path, pattern):
-                    continue
-                # if the test file matches, load it
-                name = self._get_name_from_path(full_path)
-                try:
-                    module = self._get_module_from_name(name)
-                except:
-                    yield _make_failed_import_test(name, self.suiteClass)
-                else:
-                    mod_file = os.path.abspath(getattr(module, '__file__', full_path))
-                    realpath = os.path.splitext(mod_file)[0]
-                    fullpath_noext = os.path.splitext(full_path)[0]
-                    if realpath.lower() != fullpath_noext.lower():
-                        module_dir = os.path.dirname(realpath)
-                        mod_name = os.path.splitext(os.path.basename(full_path))[0]
-                        expected_dir = os.path.dirname(full_path)
-                        msg = ("%r module incorrectly imported from %r. Expected %r. "
-                               "Is this module globally installed?")
-                        raise ImportError(msg % (mod_name, module_dir, expected_dir))
-                    yield self.loadTestsFromModule(module)
-            elif os.path.isdir(full_path):
-                if not os.path.isfile(os.path.join(full_path, '__init__.py')):
-                    continue
-
-                load_tests = None
-                tests = None
-                if fnmatch(path, pattern):
-                    # only check load_tests if the package directory itself matches the filter
-                    name = self._get_name_from_path(full_path)
-                    package = self._get_module_from_name(name)
-                    load_tests = getattr(package, 'load_tests', None)
-                    tests = self.loadTestsFromModule(package, use_load_tests=False)
-
-                if load_tests is None:
-                    if tests is not None:
-                        # tests loaded from package file
-                        yield tests
-                    # recurse into the package
-                    for test in self._find_tests(full_path, pattern):
-                        yield test
-                else:
-                    try:
-                        yield load_tests(self, tests, pattern)
-                    except Exception, e:
-                        yield _make_failed_load_tests(package.__name__, e,
-                                                      self.suiteClass)
-
-defaultTestLoader = TestLoader()
-
-
-def _makeLoader(prefix, sortUsing, suiteClass=None):
-    loader = TestLoader()
-    loader.sortTestMethodsUsing = sortUsing
-    loader.testMethodPrefix = prefix
-    if suiteClass:
-        loader.suiteClass = suiteClass
-    return loader
-
-def getTestCaseNames(testCaseClass, prefix, sortUsing=cmp):
-    return _makeLoader(prefix, sortUsing).getTestCaseNames(testCaseClass)
-
-def makeSuite(testCaseClass, prefix='test', sortUsing=cmp,
-              suiteClass=suite.TestSuite):
-    return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromTestCase(testCaseClass)
-
-def findTestCases(module, prefix='test', sortUsing=cmp,
-                  suiteClass=suite.TestSuite):
-    return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromModule(module)