"""Fix incompatible imports and module references. Fixes: * StringIO -> io * cStringIO -> io * md5 -> hashlib """ # Author: Collin Winter # Local imports from . import basefix from .util import Name, attr_chain, any, set import __builtin__ builtin_names = [name for name in dir(__builtin__) if name not in ("__name__", "__doc__")] # XXX(alexandre): It would be possible to get the modules exports by fetching # XXX: their __all__ attribute. However, I fear that this would add an additional # XXX: overhead to the fixer. MAPPING = {"StringIO": ("io", ["StringIO"]), "cStringIO": ("io", ["StringIO"]), "__builtin__" : ("builtins", builtin_names), 'copy_reg': ('copyreg', ['pickle', 'constructor', 'add_extension', 'remove_extension', 'clear_extension_cache']), 'Queue': ('queue', ['Empty', 'Full', 'Queue', 'PriorityQueue', 'LifoQueue']), 'SocketServer': ('socketserver', ['TCPServer', 'UDPServer', 'BaseServer', 'ForkingUDPServer', 'ForkingTCPServer', 'ThreadingUDPServer', 'ThreadingTCPServer', 'BaseRequestHandler', 'StreamRequestHandler', 'DatagramRequestHandler', 'ThreadingMixIn', 'ForkingMixIn', 'UnixStreamServer', 'UnixDatagramServer', 'ThreadingUnixStreamServer', 'ThreadingUnixDatagramServer']), 'ConfigParser': ('configparser', ['NoSectionError', 'DuplicateSectionError', 'NoOptionError', 'InterpolationError', 'InterpolationDepthError', 'InterpolationSyntaxError', 'ParsingError', 'MissingSectionHeaderError', 'ConfigParser', 'SafeConfigParser', 'RawConfigParser', 'DEFAULTSECT', 'MAX_INTERPOLATION_DEPTH']), 'repr': ('reprlib', ['Repr', 'repr']), 'FileDialog': ('tkinter.filedialog', ['FileDialog', 'LoadFileDialog', 'SaveFileDialog']), 'tkFileDialog': ('tkinter.filedialog', ['Open', 'SaveAs', 'Directory', 'askopenfilename', 'asksaveasfilename', 'askopenfilenames', 'askopenfile', 'askopenfiles', 'asksaveasfile', 'askdirectory']), 'SimpleDialog': ('tkinter.simpledialog', ['SimpleDialog']), 'tkSimpleDialog': ('tkinter.simpledialog', ['Dialog', 'askinteger', 'askfloat', 'askstring']), 'tkColorChooser': ('tkinter.colorchooser', ['Chooser', 'askcolor']), 'tkCommonDialog': ('tkinter.commondialog', ['Dialog']), 'Dialog': ('tkinter.dialog', ['Dialog']), 'Tkdnd': ('tkinter.dnd', ['DndHandler']), 'tkFont': ('tkinter.font', ['nametofont', 'Font', 'families', 'names']), 'tkMessageBox': ('tkinter.messagebox', ['Message', 'showinfo', 'showwarning', 'showerror', 'askquestion', 'askokcancel', 'askyesno', 'askyesnocancel', 'askretrycancel']), 'ScrolledText': ('tkinter.scrolledtext', ['ScrolledText']), 'turtle': ('tkinter.turtle', ['RawPen', 'Pen', 'Turtle', 'degrees', 'radian', 'reset', 'clear', 'tracer', 'forward', 'backward', 'left', 'right', 'up', 'down', 'width', 'color', 'write', 'fill', 'begin_fill', 'end_fill', 'circle', 'goto', 'heading', 'setheading', 'position', 'window_width', 'setx', 'sety', 'towards', 'done', 'delay', 'speed', 'setup', 'title']), 'Tkconstants': ('tkinter.constants', ['NO', 'FALSE', 'OFF', 'YES', 'TRUE', 'ON', 'N', 'S', 'W', 'E', 'NW', 'SW', 'SE', 'NE', 'NS', 'EW', 'NSEW', 'CENTER', 'NONE', 'X', 'Y', 'BOTH', 'LEFT', 'TOP', 'RIGHT', 'BOTTOM', 'RAISED', 'SUNKEN', 'FLAT', 'RIDGE', 'GROOVE', 'SOLID', 'HORIZONTAL', 'VERTICAL', 'NUMERIC', 'CHAR', 'WORD', 'BASELINE', 'INSIDE', 'OUTSIDE', 'SEL', 'SEL_FIRST', 'SEL_LAST', 'END', 'INSERT', 'CURRENT', 'ANCHOR', 'ALL', 'NORMAL', 'DISABLED', 'ACTIVE', 'HIDDEN', 'CASCADE', 'CHECKBUTTON', 'COMMAND', 'RADIOBUTTON', 'SEPARATOR', 'SINGLE', 'BROWSE', 'MULTIPLE', 'EXTENDED', 'DOTBOX', 'UNDERLINE', 'PIESLICE', 'CHORD', 'ARC', 'FIRST', 'LAST', 'BUTT', 'PROJECTING', 'ROUND', 'BEVEL', 'MITTER', 'MOVETO', 'SCROLL', 'UNITS', 'PAGES']), 'Tix': ('tkinter.tix', ['tixCommand', 'Tk', 'Form', 'TixWidget', 'TixSubWidget', 'DisplayStyle', 'Balloon', 'ButtonBox', 'ComboBox', 'Control', 'DirList', 'DirTree', 'DirSelectBox', 'ExFileSelectBox', 'DirSelectDialog', 'ExFileSelectDialog', 'FileSelectBox', 'FileSelectDialog', 'FileEntry', 'HList', 'InputOnly', 'LabelEntry', 'LabelFrame', 'ListNoteBook', 'Meter', 'NoteBook', 'OptionMenu', 'PanedWindow', 'PopupMenu', 'ResizeHandle', 'ScrolledHList', 'ScrolledListBox', 'ScrolledText', 'ScrolledTList', 'ScrolledWindow', 'Select', 'Shell', 'DialogShell', 'StdButtonBox', 'TList', 'Tree', 'CheckList', 'OptionName', 'FileTypeList', 'Grid', 'ScrolledGrid']), 'Tkinter': ('tkinter', ['_flatten', 'TclError', 'TkVersion', 'TclVersion', 'Variable', 'StringVar', 'IntVar', 'DoubleVar', 'BooleanVar','mainloop', 'Tk', 'Tcl', 'Toplevel', 'Button', 'Canvas', 'Checkbutton', 'Entry', 'Frame', 'Label', 'Listbox', 'Menu', 'Menubutton', 'Radiobutton', 'Scale', 'Scrollbar', 'Text', 'OptionMenu', 'Image', 'PhotoImage', 'BitmapImage', 'image_names', 'image_types', 'Spinbox', 'LabelFrame', 'PanedWindow', 'Studbutton', 'Tributton']), 'markupbase': ('_markupbase', ['ParserBase']), '_winreg': ('winreg', [ 'CloseKey', 'ConnectRegistry', 'CreateKey', 'DeleteKey', 'DeleteValue', 'DisableReflectionKey', 'EnableReflectionKey', 'EnumKey', 'EnumValue', 'ExpandEnvironmentStrings', 'FlushKey', 'LoadKey', 'OpenKey', 'OpenKeyEx', 'QueryValue', 'QueryValueEx', 'QueryInfoKey', 'QueryReflectionKey', 'SaveKey', 'SetValue', 'SetValueEx', 'HKEY_CLASSES_ROOT', 'HKEY_CURRENT_USER', 'HKEY_LOCAL_MACHINE', 'HKEY_USERS', 'HKEY_PERFORMANCE_DATA', 'HKEY_CURRENT_CONFIG', 'HKEY_DYN_DATA', 'KEY_QUERY_VALUE', 'KEY_SET_VALUE', 'KEY_CREATE_SUB_KEY', 'KEY_ENUMERATE_SUB_KEYS', 'KEY_NOTIFY', 'KEY_CREATE_LINK', 'KEY_READ', 'KEY_WRITE', 'KEY_EXECUTE', 'KEY_ALL_ACCESS', 'KEY_WOW64_64KEY', 'KEY_WOW64_32KEY', 'REG_OPTION_RESERVED', 'REG_OPTION_NON_VOLATILE', 'REG_OPTION_VOLATILE', 'REG_OPTION_CREATE_LINK', 'REG_OPTION_BACKUP_RESTORE', 'REG_OPTION_OPEN_LINK', 'REG_LEGAL_OPTION', 'REG_CREATED_NEW_KEY', 'REG_OPENED_EXISTING_KEY', 'REG_WHOLE_HIVE_VOLATILE', 'REG_REFRESH_HIVE', 'REG_NO_LAZY_FLUSH', 'REG_NOTIFY_CHANGE_NAME', 'REG_NOTIFY_CHANGE_ATTRIBUTES', 'REG_NOTIFY_CHANGE_LAST_SET', 'REG_NOTIFY_CHANGE_SECURITY', 'REG_LEGAL_CHANGE_FILTER', 'REG_NONE', 'REG_SZ', 'REG_EXPAND_SZ', 'REG_BINARY', 'REG_DWORD', 'REG_DWORD_LITTLE_ENDIAN', 'REG_DWORD_BIG_ENDIAN', 'REG_LINK', 'REG_MULTI_SZ', 'REG_RESOURCE_LIST', 'REG_FULL_RESOURCE_DESCRIPTOR', 'REG_RESOURCE_REQUIREMENTS_LIST']), 'thread': ('_thread', ['LockType', '_local', 'allocate', 'allocate_lock', 'error', 'exit', 'exit_thread', 'get_ident', 'interrupt_main', 'stack_size', 'start_new', 'start_new_thread']), 'dummy_thread': ('_dummy_thread', ['LockType', '_local', 'allocate', 'allocate_lock', 'error', 'exit', 'exit_thread', 'get_ident', 'interrupt_main', 'stack_size', 'start_new', 'start_new_thread']), } def alternates(members): return "(" + "|".join(map(repr, members)) + ")" def build_pattern(): bare = set() for old_module, (new_module, members) in MAPPING.items(): bare.add(old_module) bare.update(members) members = alternates(members) yield """import_name< 'import' (module=%r | dotted_as_names< any* module=%r any* >) > """ % (old_module, old_module) yield """import_from< 'from' module_name=%r 'import' ( %s | import_as_name< %s 'as' any > | import_as_names< any* >) > """ % (old_module, members, members) yield """import_from< 'from' module_name=%r 'import' star='*' > """ % old_module yield """import_name< 'import' dotted_as_name< module_name=%r 'as' any > > """ % old_module yield """power< module_name=%r trailer< '.' %s > any* > """ % (old_module, members) yield """bare_name=%s""" % alternates(bare) class FixImports(basefix.BaseFix): PATTERN = "|".join(build_pattern()) order = "pre" # Pre-order tree traversal # 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: if 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") mod_name = results.get("module_name") bare_name = results.get("bare_name") star = results.get("star") if import_mod or mod_name: new_name, members = MAPPING[(import_mod or mod_name).value] if import_mod: self.replace[import_mod.value] = new_name import_mod.replace(Name(new_name, prefix=import_mod.get_prefix())) elif mod_name: if star: self.cannot_convert(node, "Cannot handle star imports.") else: mod_name.replace(Name(new_name, prefix=mod_name.get_prefix())) elif bare_name: bare_name = bare_name[0] new_name = self.replace.get(bare_name.value) if new_name: bare_name.replace(Name(new_name, prefix=bare_name.get_prefix()))