Fix references to deprecated objects in the types module

2to3 fixer: types

IPython/utils/jsonutil.py

@@ -1,229 +1,229 b''
 """Utilities to manipulate JSON objects.
 """
 #-----------------------------------------------------------------------------
 #  Copyright (C) 2010-2011  The IPython Development Team
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING.txt, distributed as part of this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 # stdlib
 import math
 import re
 import types
 from datetime import datetime
 
 try:
     # base64.encodestring is deprecated in Python 3.x
     from base64 import encodebytes
 except ImportError:
     # Python 2.x
     from base64 import encodestring as encodebytes
 
 from IPython.utils import py3compat
 from IPython.utils.py3compat import string_types, unicode_type, iteritems
 from IPython.utils.encoding import DEFAULT_ENCODING
 next_attr_name = '__next__' if py3compat.PY3 else 'next'
 
 #-----------------------------------------------------------------------------
 # Globals and constants
 #-----------------------------------------------------------------------------
 
 # timestamp formats
 ISO8601="%Y-%m-%dT%H:%M:%S.%f"
 ISO8601_PAT=re.compile(r"^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d+)Z?([\+\-]\d{2}:?\d{2})?$")
 
 #-----------------------------------------------------------------------------
 # Classes and functions
 #-----------------------------------------------------------------------------
 
 def rekey(dikt):
     """Rekey a dict that has been forced to use str keys where there should be
     ints by json."""
     for k in dikt:
         if isinstance(k, string_types):
             ik=fk=None
             try:
                 ik = int(k)
             except ValueError:
                 try:
                     fk = float(k)
                 except ValueError:
                     continue
             if ik is not None:
                 nk = ik
             else:
                 nk = fk
             if nk in dikt:
                 raise KeyError("already have key %r"%nk)
             dikt[nk] = dikt.pop(k)
     return dikt
 
 
 def extract_dates(obj):
     """extract ISO8601 dates from unpacked JSON"""
     if isinstance(obj, dict):
         obj = dict(obj) # don't clobber
         for k,v in iteritems(obj):
             obj[k] = extract_dates(v)
     elif isinstance(obj, (list, tuple)):
         obj = [ extract_dates(o) for o in obj ]
     elif isinstance(obj, string_types):
         m = ISO8601_PAT.match(obj)
         if m:
             # FIXME: add actual timezone support
             # this just drops the timezone info
             notz = m.groups()[0]
             obj = datetime.strptime(notz, ISO8601)
     return obj
 
 def squash_dates(obj):
     """squash datetime objects into ISO8601 strings"""
     if isinstance(obj, dict):
         obj = dict(obj) # don't clobber
         for k,v in iteritems(obj):
             obj[k] = squash_dates(v)
     elif isinstance(obj, (list, tuple)):
         obj = [ squash_dates(o) for o in obj ]
     elif isinstance(obj, datetime):
         obj = obj.isoformat()
     return obj
 
 def date_default(obj):
     """default function for packing datetime objects in JSON."""
     if isinstance(obj, datetime):
         return obj.isoformat()
     else:
         raise TypeError("%r is not JSON serializable"%obj)
 
 
 # constants for identifying png/jpeg data
 PNG = b'\x89PNG\r\n\x1a\n'
 # front of PNG base64-encoded
 PNG64 = b'iVBORw0KG'
 JPEG = b'\xff\xd8'
 # front of JPEG base64-encoded
 JPEG64 = b'/9'
 
 def encode_images(format_dict):
     """b64-encodes images in a displaypub format dict
 
     Perhaps this should be handled in json_clean itself?
 
     Parameters
     ----------
 
     format_dict : dict
         A dictionary of display data keyed by mime-type
 
     Returns
     -------
 
     format_dict : dict
         A copy of the same dictionary,
         but binary image data ('image/png' or 'image/jpeg')
         is base64-encoded.
 
     """
     encoded = format_dict.copy()
 
     pngdata = format_dict.get('image/png')
     if isinstance(pngdata, bytes):
         # make sure we don't double-encode
         if not pngdata.startswith(PNG64):
             pngdata = encodebytes(pngdata)
         encoded['image/png'] = pngdata.decode('ascii')
 
     jpegdata = format_dict.get('image/jpeg')
     if isinstance(jpegdata, bytes):
         # make sure we don't double-encode
         if not jpegdata.startswith(JPEG64):
             jpegdata = encodebytes(jpegdata)
         encoded['image/jpeg'] = jpegdata.decode('ascii')
 
     return encoded
 
 
 def json_clean(obj):
     """Clean an object to ensure it's safe to encode in JSON.
 
     Atomic, immutable objects are returned unmodified.  Sets and tuples are
     converted to lists, lists are copied and dicts are also copied.
 
     Note: dicts whose keys could cause collisions upon encoding (such as a dict
     with both the number 1 and the string '1' as keys) will cause a ValueError
     to be raised.
 
     Parameters
     ----------
     obj : any python object
 
     Returns
     -------
     out : object
 
       A version of the input which will not cause an encoding error when
       encoded as JSON.  Note that this function does not *encode* its inputs,
       it simply sanitizes it so that there will be no encoding errors later.
 
     Examples
     --------
     >>> json_clean(4)
     4
     >>> json_clean(range(10))
     [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
     >>> sorted(json_clean(dict(x=1, y=2)).items())
     [('x', 1), ('y', 2)]
     >>> sorted(json_clean(dict(x=1, y=2, z=[1,2,3])).items())
     [('x', 1), ('y', 2), ('z', [1, 2, 3])]
     >>> json_clean(True)
     True
     """
     # types that are 'atomic' and ok in json as-is.  bool doesn't need to be
     # listed explicitly because bools pass as int instances
-    atomic_ok = (unicode_type, int, types.NoneType)
+    atomic_ok = (unicode_type, int, type(None))
 
     # containers that we need to convert into lists
     container_to_list = (tuple, set, types.GeneratorType)
 
     if isinstance(obj, float):
         # cast out-of-range floats to their reprs
         if math.isnan(obj) or math.isinf(obj):
             return repr(obj)
         return obj
 
     if isinstance(obj, atomic_ok):
         return obj
 
     if isinstance(obj, bytes):
         return obj.decode(DEFAULT_ENCODING, 'replace')
 
     if isinstance(obj, container_to_list) or (
         hasattr(obj, '__iter__') and hasattr(obj, next_attr_name)):
         obj = list(obj)
 
     if isinstance(obj, list):
         return [json_clean(x) for x in obj]
 
     if isinstance(obj, dict):
         # First, validate that the dict won't lose data in conversion due to
         # key collisions after stringification.  This can happen with keys like
         # True and 'true' or 1 and '1', which collide in JSON.
         nkeys = len(obj)
         nkeys_collapsed = len(set(map(str, obj)))
         if nkeys != nkeys_collapsed:
             raise ValueError('dict can not be safely converted to JSON: '
                              'key collision would lead to dropped values')
         # If all OK, proceed by making the new dict that will be json-safe
         out = {}
         for k,v in iteritems(obj):
             out[str(k)] = json_clean(v)
         return out
 
     # If we get here, we don't know how to handle the object, so we just get
     # its repr and return that.  This will catch lambdas, open sockets, class
     # objects, and any other complicated contraption that json can't encode
     return repr(obj)

IPython/utils/wildcard.py

@@ -1,112 +1,112 b''
 # -*- coding: utf-8 -*-
 """Support for wildcard pattern matching in object inspection.
 
 Authors
 -------
 - Jörgen Stenarson <[e-mail]>
 - Thomas Kluyver
 """
 
 #*****************************************************************************
 #       Copyright (C) 2005 Jörgen Stenarson <[e-mail]>
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 #*****************************************************************************
 
 import re
 import types
 
 from IPython.utils.dir2 import dir2
 from .py3compat import iteritems
 
 def create_typestr2type_dicts(dont_include_in_type2typestr=["lambda"]):
     """Return dictionaries mapping lower case typename (e.g. 'tuple') to type
     objects from the types package, and vice versa."""
     typenamelist = [tname for tname in dir(types) if tname.endswith("Type")]
     typestr2type, type2typestr = {}, {}
 
     for tname in typenamelist:
         name = tname[:-4].lower()          # Cut 'Type' off the end of the name
         obj = getattr(types, tname)
         typestr2type[name] = obj
         if name not in dont_include_in_type2typestr:
             type2typestr[obj] = name
     return typestr2type, type2typestr
 
 typestr2type, type2typestr = create_typestr2type_dicts()
 
 def is_type(obj, typestr_or_type):
     """is_type(obj, typestr_or_type) verifies if obj is of a certain type. It
     can take strings or actual python types for the second argument, i.e.
     'tuple'<->TupleType. 'all' matches all types.
 
     TODO: Should be extended for choosing more than one type."""
     if typestr_or_type == "all":
         return True
-    if type(typestr_or_type) == types.TypeType:
+    if type(typestr_or_type) == type:
         test_type = typestr_or_type
     else:
         test_type = typestr2type.get(typestr_or_type, False)
     if test_type:
         return isinstance(obj, test_type)
     return False
 
 def show_hidden(str, show_all=False):
     """Return true for strings starting with single _ if show_all is true."""
     return show_all or str.startswith("__") or not str.startswith("_")
 
 def dict_dir(obj):
     """Produce a dictionary of an object's attributes. Builds on dir2 by
     checking that a getattr() call actually succeeds."""
     ns = {}
     for key in dir2(obj):
        # This seemingly unnecessary try/except is actually needed
        # because there is code out there with metaclasses that
        # create 'write only' attributes, where a getattr() call
        # will fail even if the attribute appears listed in the
        # object's dictionary.  Properties can actually do the same
        # thing.  In particular, Traits use this pattern
        try:
            ns[key] = getattr(obj, key)
        except AttributeError:
            pass
     return ns
 
 def filter_ns(ns, name_pattern="*", type_pattern="all", ignore_case=True,
             show_all=True):
     """Filter a namespace dictionary by name pattern and item type."""
     pattern = name_pattern.replace("*",".*").replace("?",".")
     if ignore_case:
         reg = re.compile(pattern+"$", re.I)
     else:
         reg = re.compile(pattern+"$")
 
     # Check each one matches regex; shouldn't be hidden; of correct type.
     return dict((key,obj) for key, obj in iteritems(ns) if reg.match(key) \
                                             and show_hidden(key, show_all) \
                                             and is_type(obj, type_pattern) )
 
 def list_namespace(namespace, type_pattern, filter, ignore_case=False, show_all=False):
     """Return dictionary of all objects in a namespace dictionary that match
     type_pattern and filter."""
     pattern_list=filter.split(".")
     if len(pattern_list) == 1:
        return filter_ns(namespace, name_pattern=pattern_list[0],
                         type_pattern=type_pattern,
                         ignore_case=ignore_case, show_all=show_all)
     else:
         # This is where we can change if all objects should be searched or
         # only modules. Just change the type_pattern to module to search only
         # modules
         filtered = filter_ns(namespace, name_pattern=pattern_list[0],
                             type_pattern="all",
                             ignore_case=ignore_case, show_all=show_all)
         results = {}
         for name, obj in iteritems(filtered):
             ns = list_namespace(dict_dir(obj), type_pattern,
                                 ".".join(pattern_list[1:]),
                                 ignore_case=ignore_case, show_all=show_all)
             for inner_name, inner_obj in iteritems(ns):
                 results["%s.%s"%(name,inner_name)] = inner_obj
         return results