diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/lib2to3/fixes/fix_imports.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/lib2to3/fixes/fix_imports.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,129 @@ +"""Fix incompatible imports and module references.""" +# Authors: Collin Winter, Nick Edds + +# Local imports +from .. import fixer_base +from ..fixer_util import Name, attr_chain + +MAPPING = {'StringIO': 'io', + 'cStringIO': 'io', + 'cPickle': 'pickle', + '__builtin__' : 'builtins', + 'copy_reg': 'copyreg', + 'Queue': 'queue', + 'SocketServer': 'socketserver', + 'ConfigParser': 'configparser', + 'repr': 'reprlib', + 'FileDialog': 'tkinter.filedialog', + 'tkFileDialog': 'tkinter.filedialog', + 'SimpleDialog': 'tkinter.simpledialog', + 'tkSimpleDialog': 'tkinter.simpledialog', + 'tkColorChooser': 'tkinter.colorchooser', + 'tkCommonDialog': 'tkinter.commondialog', + 'Dialog': 'tkinter.dialog', + 'Tkdnd': 'tkinter.dnd', + 'tkFont': 'tkinter.font', + 'tkMessageBox': 'tkinter.messagebox', + 'ScrolledText': 'tkinter.scrolledtext', + 'turtle': 'tkinter.turtle', + 'Tkconstants': 'tkinter.constants', + 'Tix': 'tkinter.tix', + 'Tkinter': 'tkinter', + 'markupbase': '_markupbase', + '_winreg': 'winreg', + 'thread': '_thread', + 'dummy_thread': '_dummy_thread', + # anydbm and whichdb are handled by fix_imports2 + 'dbhash': 'dbm.bsd', + 'dumbdbm': 'dbm.dumb', + 'dbm': 'dbm.ndbm', + 'gdbm': 'dbm.gnu', + 'xmlrpclib': 'xmlrpc.client', + 'DocXMLRPCServer': 'xmlrpc.server', + 'SimpleXMLRPCServer': 'xmlrpc.server', + 'httplib': 'http.client', + 'Cookie': 'http.cookies', + 'cookielib': 'http.cookiejar', + 'BaseHTTPServer': 'http.server', + 'SimpleHTTPServer': 'http.server', + 'CGIHTTPServer': 'http.server', + #'test.test_support': 'test.support', + 'commands': 'subprocess', + 'UserString' : 'collections', + 'UserList' : 'collections', + 'urlparse' : 'urllib.parse', + 'robotparser' : 'urllib.robotparser', +} + + +def alternates(members): + return "(" + "|".join(map(repr, members)) + ")" + + +def build_pattern(mapping=MAPPING): + mod_list = ' | '.join(["module_name='%s'" % key for key in mapping]) + bare_names = alternates(mapping.keys()) + + yield """name_import=import_name< 'import' ((%s) + | dotted_as_names< any* (%s) any* >) > + """ % (mod_list, mod_list) + yield """import_from< 'from' (%s) 'import' ['('] + ( any | import_as_name< any 'as' any > | + import_as_names< any* >) [')'] > + """ % mod_list + yield """import_name< 'import' + dotted_as_name< (%s) 'as' any > > + """ % mod_list + + # Find usages of module members in code e.g. thread.foo(bar) + yield "power< bare_with_attr=(%s) trailer<'.' any > any* >" % bare_names + + +class FixImports(fixer_base.BaseFix): + + order = "pre" # Pre-order tree traversal + + # This is overridden in fix_imports2. + mapping = MAPPING + + def build_pattern(self): + return "|".join(build_pattern(self.mapping)) + + def compile_pattern(self): + # We override this, so MAPPING can be pragmatically altered and the + # changes will be reflected in PATTERN. + self.PATTERN = self.build_pattern() + super(FixImports, self).compile_pattern() + + # Don't match the node if it's within another match. + def match(self, node): + match = super(FixImports, self).match + results = match(node) + if results: + # Module usage could be in the trailier of an attribute lookup, so + # we might have nested matches when "bare_with_attr" is present. + if "bare_with_attr" not in results and \ + any([match(obj) for obj in attr_chain(node, "parent")]): + return False + return results + return False + + def start_tree(self, tree, filename): + super(FixImports, self).start_tree(tree, filename) + self.replace = {} + + def transform(self, node, results): + import_mod = results.get("module_name") + if import_mod: + new_name = self.mapping[(import_mod or mod_name).value] + if "name_import" in results: + # If it's not a "from x import x, y" or "import x as y" import, + # marked its usage to be replaced. + self.replace[import_mod.value] = new_name + import_mod.replace(Name(new_name, prefix=import_mod.get_prefix())) + else: + # Replace usage of the module. + bare_name = results["bare_with_attr"][0] + new_name = self.replace.get(bare_name.value) + if new_name: + bare_name.replace(Name(new_name, prefix=bare_name.get_prefix()))