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"""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 builtins
builtin_names = [name for name in dir(builtins)
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 list(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()))
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