EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Lib / lib2to3 / fixes / fix_imports.py

"""Fix incompatible imports and module references."""\r
# Authors: Collin Winter, Nick Edds\r
\r
# Local imports\r
from .. import fixer_base\r
from ..fixer_util import Name, attr_chain\r
\r
MAPPING = {'StringIO':  'io',\r
           'cStringIO': 'io',\r
           'cPickle': 'pickle',\r
           '__builtin__' : 'builtins',\r
           'copy_reg': 'copyreg',\r
           'Queue': 'queue',\r
           'SocketServer': 'socketserver',\r
           'ConfigParser': 'configparser',\r
           'repr': 'reprlib',\r
           'FileDialog': 'tkinter.filedialog',\r
           'tkFileDialog': 'tkinter.filedialog',\r
           'SimpleDialog': 'tkinter.simpledialog',\r
           'tkSimpleDialog': 'tkinter.simpledialog',\r
           'tkColorChooser': 'tkinter.colorchooser',\r
           'tkCommonDialog': 'tkinter.commondialog',\r
           'Dialog': 'tkinter.dialog',\r
           'Tkdnd': 'tkinter.dnd',\r
           'tkFont': 'tkinter.font',\r
           'tkMessageBox': 'tkinter.messagebox',\r
           'ScrolledText': 'tkinter.scrolledtext',\r
           'Tkconstants': 'tkinter.constants',\r
           'Tix': 'tkinter.tix',\r
           'ttk': 'tkinter.ttk',\r
           'Tkinter': 'tkinter',\r
           'markupbase': '_markupbase',\r
           '_winreg': 'winreg',\r
           'thread': '_thread',\r
           'dummy_thread': '_dummy_thread',\r
           # anydbm and whichdb are handled by fix_imports2\r
           'dbhash': 'dbm.bsd',\r
           'dumbdbm': 'dbm.dumb',\r
           'dbm': 'dbm.ndbm',\r
           'gdbm': 'dbm.gnu',\r
           'xmlrpclib': 'xmlrpc.client',\r
           'DocXMLRPCServer': 'xmlrpc.server',\r
           'SimpleXMLRPCServer': 'xmlrpc.server',\r
           'httplib': 'http.client',\r
           'htmlentitydefs' : 'html.entities',\r
           'HTMLParser' : 'html.parser',\r
           'Cookie': 'http.cookies',\r
           'cookielib': 'http.cookiejar',\r
           'BaseHTTPServer': 'http.server',\r
           'SimpleHTTPServer': 'http.server',\r
           'CGIHTTPServer': 'http.server',\r
           #'test.test_support': 'test.support',\r
           'commands': 'subprocess',\r
           'UserString' : 'collections',\r
           'UserList' : 'collections',\r
           'urlparse' : 'urllib.parse',\r
           'robotparser' : 'urllib.robotparser',\r
}\r
\r
\r
def alternates(members):\r
    return "(" + "|".join(map(repr, members)) + ")"\r
\r
\r
def build_pattern(mapping=MAPPING):\r
    mod_list = ' | '.join(["module_name='%s'" % key for key in mapping])\r
    bare_names = alternates(mapping.keys())\r
\r
    yield """name_import=import_name< 'import' ((%s) |\r
               multiple_imports=dotted_as_names< any* (%s) any* >) >\r
          """ % (mod_list, mod_list)\r
    yield """import_from< 'from' (%s) 'import' ['(']\r
              ( any | import_as_name< any 'as' any > |\r
                import_as_names< any* >)  [')'] >\r
          """ % mod_list\r
    yield """import_name< 'import' (dotted_as_name< (%s) 'as' any > |\r
               multiple_imports=dotted_as_names<\r
                 any* dotted_as_name< (%s) 'as' any > any* >) >\r
          """ % (mod_list, mod_list)\r
\r
    # Find usages of module members in code e.g. thread.foo(bar)\r
    yield "power< bare_with_attr=(%s) trailer<'.' any > any* >" % bare_names\r
\r
\r
class FixImports(fixer_base.BaseFix):\r
\r
    BM_compatible = True\r
    keep_line_order = True\r
    # This is overridden in fix_imports2.\r
    mapping = MAPPING\r
\r
    # We want to run this fixer late, so fix_import doesn't try to make stdlib\r
    # renames into relative imports.\r
    run_order = 6\r
\r
    def build_pattern(self):\r
        return "|".join(build_pattern(self.mapping))\r
\r
    def compile_pattern(self):\r
        # We override this, so MAPPING can be pragmatically altered and the\r
        # changes will be reflected in PATTERN.\r
        self.PATTERN = self.build_pattern()\r
        super(FixImports, self).compile_pattern()\r
\r
    # Don't match the node if it's within another match.\r
    def match(self, node):\r
        match = super(FixImports, self).match\r
        results = match(node)\r
        if results:\r
            # Module usage could be in the trailer of an attribute lookup, so we\r
            # might have nested matches when "bare_with_attr" is present.\r
            if "bare_with_attr" not in results and \\r
                    any(match(obj) for obj in attr_chain(node, "parent")):\r
                return False\r
            return results\r
        return False\r
\r
    def start_tree(self, tree, filename):\r
        super(FixImports, self).start_tree(tree, filename)\r
        self.replace = {}\r
\r
    def transform(self, node, results):\r
        import_mod = results.get("module_name")\r
        if import_mod:\r
            mod_name = import_mod.value\r
            new_name = unicode(self.mapping[mod_name])\r
            import_mod.replace(Name(new_name, prefix=import_mod.prefix))\r
            if "name_import" in results:\r
                # If it's not a "from x import x, y" or "import x as y" import,\r
                # marked its usage to be replaced.\r
                self.replace[mod_name] = new_name\r
            if "multiple_imports" in results:\r
                # This is a nasty hack to fix multiple imports on a line (e.g.,\r
                # "import StringIO, urlparse"). The problem is that I can't\r
                # figure out an easy way to make a pattern recognize the keys of\r
                # MAPPING randomly sprinkled in an import statement.\r
                results = self.match(node)\r
                if results:\r
                    self.transform(node, results)\r
        else:\r
            # Replace usage of the module.\r
            bare_name = results["bare_with_attr"][0]\r
            new_name = self.replace.get(bare_name.value)\r
            if new_name:\r
                bare_name.replace(Name(new_name, prefix=bare_name.prefix))\r