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