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Diffstat (limited to 'contrib/python/simplejson/py2/simplejson/__init__.py')
| -rw-r--r-- | contrib/python/simplejson/py2/simplejson/__init__.py | 562 |
1 files changed, 0 insertions, 562 deletions
diff --git a/contrib/python/simplejson/py2/simplejson/__init__.py b/contrib/python/simplejson/py2/simplejson/__init__.py deleted file mode 100644 index a526d8c7823..00000000000 --- a/contrib/python/simplejson/py2/simplejson/__init__.py +++ /dev/null @@ -1,562 +0,0 @@ -r"""JSON (JavaScript Object Notation) <http://json.org> is a subset of -JavaScript syntax (ECMA-262 3rd edition) used as a lightweight data -interchange format. - -:mod:`simplejson` exposes an API familiar to users of the standard library -:mod:`marshal` and :mod:`pickle` modules. It is the externally maintained -version of the :mod:`json` library contained in Python 2.6, but maintains -compatibility back to Python 2.5 and (currently) has significant performance -advantages, even without using the optional C extension for speedups. - -Encoding basic Python object hierarchies:: - - >>> import simplejson as json - >>> json.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}]) - '["foo", {"bar": ["baz", null, 1.0, 2]}]' - >>> print(json.dumps("\"foo\bar")) - "\"foo\bar" - >>> print(json.dumps(u'\u1234')) - "\u1234" - >>> print(json.dumps('\\')) - "\\" - >>> print(json.dumps({"c": 0, "b": 0, "a": 0}, sort_keys=True)) - {"a": 0, "b": 0, "c": 0} - >>> from simplejson.compat import StringIO - >>> io = StringIO() - >>> json.dump(['streaming API'], io) - >>> io.getvalue() - '["streaming API"]' - -Compact encoding:: - - >>> import simplejson as json - >>> obj = [1,2,3,{'4': 5, '6': 7}] - >>> json.dumps(obj, separators=(',',':'), sort_keys=True) - '[1,2,3,{"4":5,"6":7}]' - -Pretty printing:: - - >>> import simplejson as json - >>> print(json.dumps({'4': 5, '6': 7}, sort_keys=True, indent=' ')) - { - "4": 5, - "6": 7 - } - -Decoding JSON:: - - >>> import simplejson as json - >>> obj = [u'foo', {u'bar': [u'baz', None, 1.0, 2]}] - >>> json.loads('["foo", {"bar":["baz", null, 1.0, 2]}]') == obj - True - >>> json.loads('"\\"foo\\bar"') == u'"foo\x08ar' - True - >>> from simplejson.compat import StringIO - >>> io = StringIO('["streaming API"]') - >>> json.load(io)[0] == 'streaming API' - True - -Specializing JSON object decoding:: - - >>> import simplejson as json - >>> def as_complex(dct): - ... if '__complex__' in dct: - ... return complex(dct['real'], dct['imag']) - ... return dct - ... - >>> json.loads('{"__complex__": true, "real": 1, "imag": 2}', - ... object_hook=as_complex) - (1+2j) - >>> from decimal import Decimal - >>> json.loads('1.1', parse_float=Decimal) == Decimal('1.1') - True - -Specializing JSON object encoding:: - - >>> import simplejson as json - >>> def encode_complex(obj): - ... if isinstance(obj, complex): - ... return [obj.real, obj.imag] - ... raise TypeError('Object of type %s is not JSON serializable' % - ... obj.__class__.__name__) - ... - >>> json.dumps(2 + 1j, default=encode_complex) - '[2.0, 1.0]' - >>> json.JSONEncoder(default=encode_complex).encode(2 + 1j) - '[2.0, 1.0]' - >>> ''.join(json.JSONEncoder(default=encode_complex).iterencode(2 + 1j)) - '[2.0, 1.0]' - -Using simplejson.tool from the shell to validate and pretty-print:: - - $ echo '{"json":"obj"}' | python -m simplejson.tool - { - "json": "obj" - } - $ echo '{ 1.2:3.4}' | python -m simplejson.tool - Expecting property name: line 1 column 3 (char 2) - -Parsing multiple documents serialized as JSON lines (newline-delimited JSON):: - - >>> import simplejson as json - >>> def loads_lines(docs): - ... for doc in docs.splitlines(): - ... yield json.loads(doc) - ... - >>> sum(doc["count"] for doc in loads_lines('{"count":1}\n{"count":2}\n{"count":3}\n')) - 6 - -Serializing multiple objects to JSON lines (newline-delimited JSON):: - - >>> import simplejson as json - >>> def dumps_lines(objs): - ... for obj in objs: - ... yield json.dumps(obj, separators=(',',':')) + '\n' - ... - >>> ''.join(dumps_lines([{'count': 1}, {'count': 2}, {'count': 3}])) - '{"count":1}\n{"count":2}\n{"count":3}\n' - -""" -from __future__ import absolute_import -__version__ = '3.20.2' -__all__ = [ - 'dump', 'dumps', 'load', 'loads', - 'JSONDecoder', 'JSONDecodeError', 'JSONEncoder', - 'OrderedDict', 'simple_first', 'RawJSON' -] - -__author__ = 'Bob Ippolito <[email protected]>' - -from decimal import Decimal - -from .errors import JSONDecodeError -from .raw_json import RawJSON -from .decoder import JSONDecoder -from .encoder import JSONEncoder, JSONEncoderForHTML -def _import_OrderedDict(): - import collections - try: - return collections.OrderedDict - except AttributeError: - from . import ordered_dict - return ordered_dict.OrderedDict -OrderedDict = _import_OrderedDict() - -def _import_c_make_encoder(): - try: - from ._speedups import make_encoder - return make_encoder - except ImportError: - return None - -_default_encoder = JSONEncoder() - -def dump(obj, fp, skipkeys=False, ensure_ascii=True, check_circular=True, - allow_nan=False, cls=None, indent=None, separators=None, - encoding='utf-8', default=None, use_decimal=True, - namedtuple_as_object=True, tuple_as_array=True, - bigint_as_string=False, sort_keys=False, item_sort_key=None, - for_json=False, ignore_nan=False, int_as_string_bitcount=None, - iterable_as_array=False, **kw): - """Serialize ``obj`` as a JSON formatted stream to ``fp`` (a - ``.write()``-supporting file-like object). - - If *skipkeys* is true then ``dict`` keys that are not basic types - (``str``, ``int``, ``long``, ``float``, ``bool``, ``None``) - will be skipped instead of raising a ``TypeError``. - - If *ensure_ascii* is false (default: ``True``), then the output may - contain non-ASCII characters, so long as they do not need to be escaped - by JSON. When it is true, all non-ASCII characters are escaped. - - If *allow_nan* is true (default: ``False``), then out of range ``float`` - values (``nan``, ``inf``, ``-inf``) will be serialized to - their JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``) - instead of raising a ValueError. See - *ignore_nan* for ECMA-262 compliant behavior. - - If *indent* is a string, then JSON array elements and object members - will be pretty-printed with a newline followed by that string repeated - for each level of nesting. ``None`` (the default) selects the most compact - representation without any newlines. - - If specified, *separators* should be an - ``(item_separator, key_separator)`` tuple. The default is ``(', ', ': ')`` - if *indent* is ``None`` and ``(',', ': ')`` otherwise. To get the most - compact JSON representation, you should specify ``(',', ':')`` to eliminate - whitespace. - - *encoding* is the character encoding for str instances, default is UTF-8. - - *default(obj)* is a function that should return a serializable version - of obj or raise ``TypeError``. The default simply raises ``TypeError``. - - If *use_decimal* is true (default: ``True``) then decimal.Decimal - will be natively serialized to JSON with full precision. - - If *namedtuple_as_object* is true (default: ``True``), - :class:`tuple` subclasses with ``_asdict()`` methods will be encoded - as JSON objects. - - If *tuple_as_array* is true (default: ``True``), - :class:`tuple` (and subclasses) will be encoded as JSON arrays. - - If *iterable_as_array* is true (default: ``False``), - any object not in the above table that implements ``__iter__()`` - will be encoded as a JSON array. - - If *bigint_as_string* is true (default: ``False``), ints 2**53 and higher - or lower than -2**53 will be encoded as strings. This is to avoid the - rounding that happens in Javascript otherwise. Note that this is still a - lossy operation that will not round-trip correctly and should be used - sparingly. - - If *int_as_string_bitcount* is a positive number (n), then int of size - greater than or equal to 2**n or lower than or equal to -2**n will be - encoded as strings. - - If specified, *item_sort_key* is a callable used to sort the items in - each dictionary. This is useful if you want to sort items other than - in alphabetical order by key. This option takes precedence over - *sort_keys*. - - If *sort_keys* is true (default: ``False``), the output of dictionaries - will be sorted by item. - - If *for_json* is true (default: ``False``), objects with a ``for_json()`` - method will use the return value of that method for encoding as JSON - instead of the object. - - If *ignore_nan* is true (default: ``False``), then out of range - :class:`float` values (``nan``, ``inf``, ``-inf``) will be serialized as - ``null`` in compliance with the ECMA-262 specification. If true, this will - override *allow_nan*. - - To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the - ``.default()`` method to serialize additional types), specify it with - the ``cls`` kwarg. NOTE: You should use *default* or *for_json* instead - of subclassing whenever possible. - - """ - # cached encoder - if (not skipkeys and ensure_ascii and - check_circular and not allow_nan and - cls is None and indent is None and separators is None and - encoding == 'utf-8' and default is None and use_decimal - and namedtuple_as_object and tuple_as_array and not iterable_as_array - and not bigint_as_string and not sort_keys - and not item_sort_key and not for_json - and not ignore_nan and int_as_string_bitcount is None - and not kw - ): - iterable = _default_encoder.iterencode(obj) - else: - if cls is None: - cls = JSONEncoder - iterable = cls(skipkeys=skipkeys, ensure_ascii=ensure_ascii, - check_circular=check_circular, allow_nan=allow_nan, indent=indent, - separators=separators, encoding=encoding, - default=default, use_decimal=use_decimal, - namedtuple_as_object=namedtuple_as_object, - tuple_as_array=tuple_as_array, - iterable_as_array=iterable_as_array, - bigint_as_string=bigint_as_string, - sort_keys=sort_keys, - item_sort_key=item_sort_key, - for_json=for_json, - ignore_nan=ignore_nan, - int_as_string_bitcount=int_as_string_bitcount, - **kw).iterencode(obj) - # could accelerate with writelines in some versions of Python, at - # a debuggability cost - for chunk in iterable: - fp.write(chunk) - - -def dumps(obj, skipkeys=False, ensure_ascii=True, check_circular=True, - allow_nan=False, cls=None, indent=None, separators=None, - encoding='utf-8', default=None, use_decimal=True, - namedtuple_as_object=True, tuple_as_array=True, - bigint_as_string=False, sort_keys=False, item_sort_key=None, - for_json=False, ignore_nan=False, int_as_string_bitcount=None, - iterable_as_array=False, **kw): - """Serialize ``obj`` to a JSON formatted ``str``. - - If ``skipkeys`` is true then ``dict`` keys that are not basic types - (``str``, ``int``, ``long``, ``float``, ``bool``, ``None``) - will be skipped instead of raising a ``TypeError``. - - If *ensure_ascii* is false (default: ``True``), then the output may - contain non-ASCII characters, so long as they do not need to be escaped - by JSON. When it is true, all non-ASCII characters are escaped. - - If ``check_circular`` is false, then the circular reference check - for container types will be skipped and a circular reference will - result in an ``OverflowError`` (or worse). - - If *allow_nan* is true (default: ``False``), then out of range ``float`` - values (``nan``, ``inf``, ``-inf``) will be serialized to - their JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``) - instead of raising a ValueError. See - *ignore_nan* for ECMA-262 compliant behavior. - - If ``indent`` is a string, then JSON array elements and object members - will be pretty-printed with a newline followed by that string repeated - for each level of nesting. ``None`` (the default) selects the most compact - representation without any newlines. For backwards compatibility with - versions of simplejson earlier than 2.1.0, an integer is also accepted - and is converted to a string with that many spaces. - - If specified, ``separators`` should be an - ``(item_separator, key_separator)`` tuple. The default is ``(', ', ': ')`` - if *indent* is ``None`` and ``(',', ': ')`` otherwise. To get the most - compact JSON representation, you should specify ``(',', ':')`` to eliminate - whitespace. - - ``encoding`` is the character encoding for bytes instances, default is - UTF-8. - - ``default(obj)`` is a function that should return a serializable version - of obj or raise TypeError. The default simply raises TypeError. - - If *use_decimal* is true (default: ``True``) then decimal.Decimal - will be natively serialized to JSON with full precision. - - If *namedtuple_as_object* is true (default: ``True``), - :class:`tuple` subclasses with ``_asdict()`` methods will be encoded - as JSON objects. - - If *tuple_as_array* is true (default: ``True``), - :class:`tuple` (and subclasses) will be encoded as JSON arrays. - - If *iterable_as_array* is true (default: ``False``), - any object not in the above table that implements ``__iter__()`` - will be encoded as a JSON array. - - If *bigint_as_string* is true (not the default), ints 2**53 and higher - or lower than -2**53 will be encoded as strings. This is to avoid the - rounding that happens in Javascript otherwise. - - If *int_as_string_bitcount* is a positive number (n), then int of size - greater than or equal to 2**n or lower than or equal to -2**n will be - encoded as strings. - - If specified, *item_sort_key* is a callable used to sort the items in - each dictionary. This is useful if you want to sort items other than - in alphabetical order by key. This option takes precedence over - *sort_keys*. - - If *sort_keys* is true (default: ``False``), the output of dictionaries - will be sorted by item. - - If *for_json* is true (default: ``False``), objects with a ``for_json()`` - method will use the return value of that method for encoding as JSON - instead of the object. - - If *ignore_nan* is true (default: ``False``), then out of range - :class:`float` values (``nan``, ``inf``, ``-inf``) will be serialized as - ``null`` in compliance with the ECMA-262 specification. If true, this will - override *allow_nan*. - - To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the - ``.default()`` method to serialize additional types), specify it with - the ``cls`` kwarg. NOTE: You should use *default* instead of subclassing - whenever possible. - - """ - # cached encoder - if (not skipkeys and ensure_ascii and - check_circular and not allow_nan and - cls is None and indent is None and separators is None and - encoding == 'utf-8' and default is None and use_decimal - and namedtuple_as_object and tuple_as_array and not iterable_as_array - and not bigint_as_string and not sort_keys - and not item_sort_key and not for_json - and not ignore_nan and int_as_string_bitcount is None - and not kw - ): - return _default_encoder.encode(obj) - if cls is None: - cls = JSONEncoder - return cls( - skipkeys=skipkeys, ensure_ascii=ensure_ascii, - check_circular=check_circular, allow_nan=allow_nan, indent=indent, - separators=separators, encoding=encoding, default=default, - use_decimal=use_decimal, - namedtuple_as_object=namedtuple_as_object, - tuple_as_array=tuple_as_array, - iterable_as_array=iterable_as_array, - bigint_as_string=bigint_as_string, - sort_keys=sort_keys, - item_sort_key=item_sort_key, - for_json=for_json, - ignore_nan=ignore_nan, - int_as_string_bitcount=int_as_string_bitcount, - **kw).encode(obj) - - -_default_decoder = JSONDecoder() - - -def load(fp, encoding=None, cls=None, object_hook=None, parse_float=None, - parse_int=None, parse_constant=None, object_pairs_hook=None, - use_decimal=False, allow_nan=False, **kw): - """Deserialize ``fp`` (a ``.read()``-supporting file-like object containing - a JSON document as `str` or `bytes`) to a Python object. - - *encoding* determines the encoding used to interpret any - `bytes` objects decoded by this instance (``'utf-8'`` by - default). It has no effect when decoding `str` objects. - - *object_hook*, if specified, will be called with the result of every - JSON object decoded and its return value will be used in place of the - given :class:`dict`. This can be used to provide custom - deserializations (e.g. to support JSON-RPC class hinting). - - *object_pairs_hook* is an optional function that will be called with - the result of any object literal decode with an ordered list of pairs. - The return value of *object_pairs_hook* will be used instead of the - :class:`dict`. This feature can be used to implement custom decoders - that rely on the order that the key and value pairs are decoded (for - example, :func:`collections.OrderedDict` will remember the order of - insertion). If *object_hook* is also defined, the *object_pairs_hook* - takes priority. - - *parse_float*, if specified, will be called with the string of every - JSON float to be decoded. By default, this is equivalent to - ``float(num_str)``. This can be used to use another datatype or parser - for JSON floats (e.g. :class:`decimal.Decimal`). - - *parse_int*, if specified, will be called with the string of every - JSON int to be decoded. By default, this is equivalent to - ``int(num_str)``. This can be used to use another datatype or parser - for JSON integers (e.g. :class:`float`). - - *allow_nan*, if True (default false), will allow the parser to - accept the non-standard floats ``NaN``, ``Infinity``, and ``-Infinity`` - and enable the use of the deprecated *parse_constant*. - - If *use_decimal* is true (default: ``False``) then it implies - parse_float=decimal.Decimal for parity with ``dump``. - - *parse_constant*, if specified, will be - called with one of the following strings: ``'-Infinity'``, - ``'Infinity'``, ``'NaN'``. It is not recommended to use this feature, - as it is rare to parse non-compliant JSON containing these values. - - To use a custom ``JSONDecoder`` subclass, specify it with the ``cls`` - kwarg. NOTE: You should use *object_hook* or *object_pairs_hook* instead - of subclassing whenever possible. - - """ - return loads(fp.read(), - encoding=encoding, cls=cls, object_hook=object_hook, - parse_float=parse_float, parse_int=parse_int, - parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, - use_decimal=use_decimal, allow_nan=allow_nan, **kw) - - -def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None, - parse_int=None, parse_constant=None, object_pairs_hook=None, - use_decimal=False, allow_nan=False, **kw): - """Deserialize ``s`` (a ``str`` or ``unicode`` instance containing a JSON - document) to a Python object. - - *encoding* determines the encoding used to interpret any - :class:`bytes` objects decoded by this instance (``'utf-8'`` by - default). It has no effect when decoding :class:`unicode` objects. - - *object_hook*, if specified, will be called with the result of every - JSON object decoded and its return value will be used in place of the - given :class:`dict`. This can be used to provide custom - deserializations (e.g. to support JSON-RPC class hinting). - - *object_pairs_hook* is an optional function that will be called with - the result of any object literal decode with an ordered list of pairs. - The return value of *object_pairs_hook* will be used instead of the - :class:`dict`. This feature can be used to implement custom decoders - that rely on the order that the key and value pairs are decoded (for - example, :func:`collections.OrderedDict` will remember the order of - insertion). If *object_hook* is also defined, the *object_pairs_hook* - takes priority. - - *parse_float*, if specified, will be called with the string of every - JSON float to be decoded. By default, this is equivalent to - ``float(num_str)``. This can be used to use another datatype or parser - for JSON floats (e.g. :class:`decimal.Decimal`). - - *parse_int*, if specified, will be called with the string of every - JSON int to be decoded. By default, this is equivalent to - ``int(num_str)``. This can be used to use another datatype or parser - for JSON integers (e.g. :class:`float`). - - *allow_nan*, if True (default false), will allow the parser to - accept the non-standard floats ``NaN``, ``Infinity``, and ``-Infinity`` - and enable the use of the deprecated *parse_constant*. - - If *use_decimal* is true (default: ``False``) then it implies - parse_float=decimal.Decimal for parity with ``dump``. - - *parse_constant*, if specified, will be - called with one of the following strings: ``'-Infinity'``, - ``'Infinity'``, ``'NaN'``. It is not recommended to use this feature, - as it is rare to parse non-compliant JSON containing these values. - - To use a custom ``JSONDecoder`` subclass, specify it with the ``cls`` - kwarg. NOTE: You should use *object_hook* or *object_pairs_hook* instead - of subclassing whenever possible. - - """ - if (cls is None and encoding is None and object_hook is None and - parse_int is None and parse_float is None and - parse_constant is None and object_pairs_hook is None - and not use_decimal and not allow_nan and not kw): - return _default_decoder.decode(s) - if cls is None: - cls = JSONDecoder - if object_hook is not None: - kw['object_hook'] = object_hook - if object_pairs_hook is not None: - kw['object_pairs_hook'] = object_pairs_hook - if parse_float is not None: - kw['parse_float'] = parse_float - if parse_int is not None: - kw['parse_int'] = parse_int - if parse_constant is not None: - kw['parse_constant'] = parse_constant - if use_decimal: - if parse_float is not None: - raise TypeError("use_decimal=True implies parse_float=Decimal") - kw['parse_float'] = Decimal - if allow_nan: - kw['allow_nan'] = True - return cls(encoding=encoding, **kw).decode(s) - - -def _toggle_speedups(enabled): - from . import decoder as dec - from . import encoder as enc - from . import scanner as scan - c_make_encoder = _import_c_make_encoder() - if enabled: - dec.scanstring = dec.c_scanstring or dec.py_scanstring - enc.c_make_encoder = c_make_encoder - enc.encode_basestring_ascii = (enc.c_encode_basestring_ascii or - enc.py_encode_basestring_ascii) - scan.make_scanner = scan.c_make_scanner or scan.py_make_scanner - else: - dec.scanstring = dec.py_scanstring - enc.c_make_encoder = None - enc.encode_basestring_ascii = enc.py_encode_basestring_ascii - scan.make_scanner = scan.py_make_scanner - dec.make_scanner = scan.make_scanner - global _default_decoder - _default_decoder = JSONDecoder() - global _default_encoder - _default_encoder = JSONEncoder() - -def simple_first(kv): - """Helper function to pass to item_sort_key to sort simple - elements to the top, then container elements. - """ - return (isinstance(kv[1], (list, dict, tuple)), kv[0]) |