Alex Willmer
1 year ago
committed by
GitHub
commit
d26ded2ecb
@ -1,318 +0,0 @@
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r"""JSON (JavaScript Object Notation) <http://json.org> is a subset of
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JavaScript syntax (ECMA-262 3rd edition) used as a lightweight data
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interchange format.
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:mod:`simplejson` exposes an API familiar to users of the standard library
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:mod:`marshal` and :mod:`pickle` modules. It is the externally maintained
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version of the :mod:`json` library contained in Python 2.6, but maintains
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compatibility with Python 2.4 and Python 2.5 and (currently) has
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significant performance advantages, even without using the optional C
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extension for speedups.
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Encoding basic Python object hierarchies::
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>>> import simplejson as json
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>>> json.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}])
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'["foo", {"bar": ["baz", null, 1.0, 2]}]'
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>>> print json.dumps("\"foo\bar")
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"\"foo\bar"
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>>> print json.dumps(u'\u1234')
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"\u1234"
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>>> print json.dumps('\\')
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"\\"
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>>> print json.dumps({"c": 0, "b": 0, "a": 0}, sort_keys=True)
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{"a": 0, "b": 0, "c": 0}
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>>> from StringIO import StringIO
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>>> io = StringIO()
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>>> json.dump(['streaming API'], io)
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>>> io.getvalue()
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'["streaming API"]'
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Compact encoding::
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>>> import simplejson as json
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>>> json.dumps([1,2,3,{'4': 5, '6': 7}], separators=(',',':'))
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'[1,2,3,{"4":5,"6":7}]'
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Pretty printing::
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>>> import simplejson as json
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>>> s = json.dumps({'4': 5, '6': 7}, sort_keys=True, indent=4)
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>>> print '\n'.join([l.rstrip() for l in s.splitlines()])
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{
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"4": 5,
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"6": 7
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}
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Decoding JSON::
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>>> import simplejson as json
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>>> obj = [u'foo', {u'bar': [u'baz', None, 1.0, 2]}]
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>>> json.loads('["foo", {"bar":["baz", null, 1.0, 2]}]') == obj
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True
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>>> json.loads('"\\"foo\\bar"') == u'"foo\x08ar'
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True
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>>> from StringIO import StringIO
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>>> io = StringIO('["streaming API"]')
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>>> json.load(io)[0] == 'streaming API'
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True
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Specializing JSON object decoding::
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>>> import simplejson as json
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>>> def as_complex(dct):
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... if '__complex__' in dct:
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... return complex(dct['real'], dct['imag'])
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... return dct
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...
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>>> json.loads('{"__complex__": true, "real": 1, "imag": 2}',
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... object_hook=as_complex)
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(1+2j)
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>>> import decimal
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>>> json.loads('1.1', parse_float=decimal.Decimal) == decimal.Decimal('1.1')
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True
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Specializing JSON object encoding::
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>>> import simplejson as json
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>>> def encode_complex(obj):
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... if isinstance(obj, complex):
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... return [obj.real, obj.imag]
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... raise TypeError(repr(o) + " is not JSON serializable")
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...
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>>> json.dumps(2 + 1j, default=encode_complex)
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'[2.0, 1.0]'
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>>> json.JSONEncoder(default=encode_complex).encode(2 + 1j)
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'[2.0, 1.0]'
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>>> ''.join(json.JSONEncoder(default=encode_complex).iterencode(2 + 1j))
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'[2.0, 1.0]'
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Using simplejson.tool from the shell to validate and pretty-print::
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$ echo '{"json":"obj"}' | python -m simplejson.tool
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{
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"json": "obj"
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}
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$ echo '{ 1.2:3.4}' | python -m simplejson.tool
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Expecting property name: line 1 column 2 (char 2)
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"""
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__version__ = '2.0.9'
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__all__ = [
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'dump', 'dumps', 'load', 'loads',
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'JSONDecoder', 'JSONEncoder',
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]
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__author__ = 'Bob Ippolito <bob@redivi.com>'
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from decoder import JSONDecoder
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from encoder import JSONEncoder
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_default_encoder = JSONEncoder(
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skipkeys=False,
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ensure_ascii=True,
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check_circular=True,
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allow_nan=True,
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indent=None,
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separators=None,
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encoding='utf-8',
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default=None,
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)
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def dump(obj, fp, skipkeys=False, ensure_ascii=True, check_circular=True,
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allow_nan=True, cls=None, indent=None, separators=None,
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encoding='utf-8', default=None, **kw):
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"""Serialize ``obj`` as a JSON formatted stream to ``fp`` (a
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``.write()``-supporting file-like object).
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If ``skipkeys`` is true then ``dict`` keys that are not basic types
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(``str``, ``unicode``, ``int``, ``long``, ``float``, ``bool``, ``None``)
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will be skipped instead of raising a ``TypeError``.
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If ``ensure_ascii`` is false, then the some chunks written to ``fp``
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may be ``unicode`` instances, subject to normal Python ``str`` to
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``unicode`` coercion rules. Unless ``fp.write()`` explicitly
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understands ``unicode`` (as in ``codecs.getwriter()``) this is likely
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to cause an error.
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If ``check_circular`` is false, then the circular reference check
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for container types will be skipped and a circular reference will
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result in an ``OverflowError`` (or worse).
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If ``allow_nan`` is false, then it will be a ``ValueError`` to
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serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``)
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in strict compliance of the JSON specification, instead of using the
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JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``).
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If ``indent`` is a non-negative integer, then JSON array elements and object
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members will be pretty-printed with that indent level. An indent level
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of 0 will only insert newlines. ``None`` is the most compact representation.
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If ``separators`` is an ``(item_separator, dict_separator)`` tuple
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then it will be used instead of the default ``(', ', ': ')`` separators.
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``(',', ':')`` is the most compact JSON representation.
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``encoding`` is the character encoding for str instances, default is UTF-8.
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``default(obj)`` is a function that should return a serializable version
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of obj or raise TypeError. The default simply raises TypeError.
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To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the
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``.default()`` method to serialize additional types), specify it with
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the ``cls`` kwarg.
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"""
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# cached encoder
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if (not skipkeys and ensure_ascii and
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check_circular and allow_nan and
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cls is None and indent is None and separators is None and
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encoding == 'utf-8' and default is None and not kw):
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iterable = _default_encoder.iterencode(obj)
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else:
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if cls is None:
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cls = JSONEncoder
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iterable = cls(skipkeys=skipkeys, ensure_ascii=ensure_ascii,
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check_circular=check_circular, allow_nan=allow_nan, indent=indent,
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separators=separators, encoding=encoding,
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default=default, **kw).iterencode(obj)
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# could accelerate with writelines in some versions of Python, at
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# a debuggability cost
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for chunk in iterable:
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fp.write(chunk)
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def dumps(obj, skipkeys=False, ensure_ascii=True, check_circular=True,
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allow_nan=True, cls=None, indent=None, separators=None,
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encoding='utf-8', default=None, **kw):
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"""Serialize ``obj`` to a JSON formatted ``str``.
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If ``skipkeys`` is false then ``dict`` keys that are not basic types
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(``str``, ``unicode``, ``int``, ``long``, ``float``, ``bool``, ``None``)
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will be skipped instead of raising a ``TypeError``.
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If ``ensure_ascii`` is false, then the return value will be a
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``unicode`` instance subject to normal Python ``str`` to ``unicode``
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coercion rules instead of being escaped to an ASCII ``str``.
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If ``check_circular`` is false, then the circular reference check
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for container types will be skipped and a circular reference will
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result in an ``OverflowError`` (or worse).
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If ``allow_nan`` is false, then it will be a ``ValueError`` to
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serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``) in
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strict compliance of the JSON specification, instead of using the
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JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``).
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If ``indent`` is a non-negative integer, then JSON array elements and
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object members will be pretty-printed with that indent level. An indent
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level of 0 will only insert newlines. ``None`` is the most compact
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representation.
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If ``separators`` is an ``(item_separator, dict_separator)`` tuple
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then it will be used instead of the default ``(', ', ': ')`` separators.
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``(',', ':')`` is the most compact JSON representation.
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``encoding`` is the character encoding for str instances, default is UTF-8.
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``default(obj)`` is a function that should return a serializable version
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of obj or raise TypeError. The default simply raises TypeError.
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To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the
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``.default()`` method to serialize additional types), specify it with
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the ``cls`` kwarg.
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"""
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# cached encoder
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if (not skipkeys and ensure_ascii and
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check_circular and allow_nan and
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cls is None and indent is None and separators is None and
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encoding == 'utf-8' and default is None and not kw):
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return _default_encoder.encode(obj)
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if cls is None:
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cls = JSONEncoder
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return cls(
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skipkeys=skipkeys, ensure_ascii=ensure_ascii,
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check_circular=check_circular, allow_nan=allow_nan, indent=indent,
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separators=separators, encoding=encoding, default=default,
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**kw).encode(obj)
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_default_decoder = JSONDecoder(encoding=None, object_hook=None)
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def load(fp, encoding=None, cls=None, object_hook=None, parse_float=None,
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parse_int=None, parse_constant=None, **kw):
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"""Deserialize ``fp`` (a ``.read()``-supporting file-like object containing
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a JSON document) to a Python object.
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If the contents of ``fp`` is encoded with an ASCII based encoding other
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than utf-8 (e.g. latin-1), then an appropriate ``encoding`` name must
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be specified. Encodings that are not ASCII based (such as UCS-2) are
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not allowed, and should be wrapped with
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``codecs.getreader(fp)(encoding)``, or simply decoded to a ``unicode``
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object and passed to ``loads()``
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``object_hook`` is an optional function that will be called with the
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result of any object literal decode (a ``dict``). The return value of
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``object_hook`` will be used instead of the ``dict``. This feature
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can be used to implement custom decoders (e.g. JSON-RPC class hinting).
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To use a custom ``JSONDecoder`` subclass, specify it with the ``cls``
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kwarg.
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"""
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return loads(fp.read(),
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encoding=encoding, cls=cls, object_hook=object_hook,
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parse_float=parse_float, parse_int=parse_int,
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parse_constant=parse_constant, **kw)
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def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None,
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parse_int=None, parse_constant=None, **kw):
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"""Deserialize ``s`` (a ``str`` or ``unicode`` instance containing a JSON
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document) to a Python object.
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If ``s`` is a ``str`` instance and is encoded with an ASCII based encoding
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other than utf-8 (e.g. latin-1) then an appropriate ``encoding`` name
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must be specified. Encodings that are not ASCII based (such as UCS-2)
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are not allowed and should be decoded to ``unicode`` first.
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``object_hook`` is an optional function that will be called with the
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result of any object literal decode (a ``dict``). The return value of
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``object_hook`` will be used instead of the ``dict``. This feature
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can be used to implement custom decoders (e.g. JSON-RPC class hinting).
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``parse_float``, if specified, will be called with the string
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of every JSON float to be decoded. By default this is equivalent to
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float(num_str). This can be used to use another datatype or parser
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for JSON floats (e.g. decimal.Decimal).
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``parse_int``, if specified, will be called with the string
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of every JSON int to be decoded. By default this is equivalent to
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int(num_str). This can be used to use another datatype or parser
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for JSON integers (e.g. float).
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``parse_constant``, if specified, will be called with one of the
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following strings: -Infinity, Infinity, NaN, null, true, false.
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This can be used to raise an exception if invalid JSON numbers
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are encountered.
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To use a custom ``JSONDecoder`` subclass, specify it with the ``cls``
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kwarg.
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"""
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if (cls is None and encoding is None and object_hook is None and
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parse_int is None and parse_float is None and
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parse_constant is None and not kw):
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return _default_decoder.decode(s)
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if cls is None:
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cls = JSONDecoder
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if object_hook is not None:
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kw['object_hook'] = object_hook
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if parse_float is not None:
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kw['parse_float'] = parse_float
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if parse_int is not None:
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kw['parse_int'] = parse_int
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if parse_constant is not None:
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kw['parse_constant'] = parse_constant
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return cls(encoding=encoding, **kw).decode(s)
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@ -1,354 +0,0 @@
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"""Implementation of JSONDecoder
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"""
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import re
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import sys
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import struct
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from simplejson.scanner import make_scanner
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try:
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from simplejson._speedups import scanstring as c_scanstring
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except ImportError:
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c_scanstring = None
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__all__ = ['JSONDecoder']
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FLAGS = re.VERBOSE | re.MULTILINE | re.DOTALL
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def _floatconstants():
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_BYTES = '7FF80000000000007FF0000000000000'.decode('hex')
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if sys.byteorder != 'big':
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_BYTES = _BYTES[:8][::-1] + _BYTES[8:][::-1]
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nan, inf = struct.unpack('dd', _BYTES)
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return nan, inf, -inf
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NaN, PosInf, NegInf = _floatconstants()
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def linecol(doc, pos):
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lineno = doc.count('\n', 0, pos) + 1
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if lineno == 1:
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colno = pos
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else:
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colno = pos - doc.rindex('\n', 0, pos)
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return lineno, colno
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def errmsg(msg, doc, pos, end=None):
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# Note that this function is called from _speedups
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lineno, colno = linecol(doc, pos)
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if end is None:
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#fmt = '{0}: line {1} column {2} (char {3})'
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#return fmt.format(msg, lineno, colno, pos)
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fmt = '%s: line %d column %d (char %d)'
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return fmt % (msg, lineno, colno, pos)
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endlineno, endcolno = linecol(doc, end)
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#fmt = '{0}: line {1} column {2} - line {3} column {4} (char {5} - {6})'
|
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#return fmt.format(msg, lineno, colno, endlineno, endcolno, pos, end)
|
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fmt = '%s: line %d column %d - line %d column %d (char %d - %d)'
|
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return fmt % (msg, lineno, colno, endlineno, endcolno, pos, end)
|
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|
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|
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_CONSTANTS = {
|
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'-Infinity': NegInf,
|
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'Infinity': PosInf,
|
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'NaN': NaN,
|
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}
|
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|
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STRINGCHUNK = re.compile(r'(.*?)(["\\\x00-\x1f])', FLAGS)
|
||||
BACKSLASH = {
|
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'"': u'"', '\\': u'\\', '/': u'/',
|
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'b': u'\b', 'f': u'\f', 'n': u'\n', 'r': u'\r', 't': u'\t',
|
||||
}
|
||||
|
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DEFAULT_ENCODING = "utf-8"
|
||||
|
||||
def py_scanstring(s, end, encoding=None, strict=True, _b=BACKSLASH, _m=STRINGCHUNK.match):
|
||||
"""Scan the string s for a JSON string. End is the index of the
|
||||
character in s after the quote that started the JSON string.
|
||||
Unescapes all valid JSON string escape sequences and raises ValueError
|
||||
on attempt to decode an invalid string. If strict is False then literal
|
||||
control characters are allowed in the string.
|
||||
|
||||
Returns a tuple of the decoded string and the index of the character in s
|
||||
after the end quote."""
|
||||
if encoding is None:
|
||||
encoding = DEFAULT_ENCODING
|
||||
chunks = []
|
||||
_append = chunks.append
|
||||
begin = end - 1
|
||||
while 1:
|
||||
chunk = _m(s, end)
|
||||
if chunk is None:
|
||||
raise ValueError(
|
||||
errmsg("Unterminated string starting at", s, begin))
|
||||
end = chunk.end()
|
||||
content, terminator = chunk.groups()
|
||||
# Content is contains zero or more unescaped string characters
|
||||
if content:
|
||||
if not isinstance(content, unicode):
|
||||
content = unicode(content, encoding)
|
||||
_append(content)
|
||||
# Terminator is the end of string, a literal control character,
|
||||
# or a backslash denoting that an escape sequence follows
|
||||
if terminator == '"':
|
||||
break
|
||||
elif terminator != '\\':
|
||||
if strict:
|
||||
msg = "Invalid control character %r at" % (terminator,)
|
||||
#msg = "Invalid control character {0!r} at".format(terminator)
|
||||
raise ValueError(errmsg(msg, s, end))
|
||||
else:
|
||||
_append(terminator)
|
||||
continue
|
||||
try:
|
||||
esc = s[end]
|
||||
except IndexError:
|
||||
raise ValueError(
|
||||
errmsg("Unterminated string starting at", s, begin))
|
||||
# If not a unicode escape sequence, must be in the lookup table
|
||||
if esc != 'u':
|
||||
try:
|
||||
char = _b[esc]
|
||||
except KeyError:
|
||||
msg = "Invalid \\escape: " + repr(esc)
|
||||
raise ValueError(errmsg(msg, s, end))
|
||||
end += 1
|
||||
else:
|
||||
# Unicode escape sequence
|
||||
esc = s[end + 1:end + 5]
|
||||
next_end = end + 5
|
||||
if len(esc) != 4:
|
||||
msg = "Invalid \\uXXXX escape"
|
||||
raise ValueError(errmsg(msg, s, end))
|
||||
uni = int(esc, 16)
|
||||
# Check for surrogate pair on UCS-4 systems
|
||||
if 0xd800 <= uni <= 0xdbff and sys.maxunicode > 65535:
|
||||
msg = "Invalid \\uXXXX\\uXXXX surrogate pair"
|
||||
if not s[end + 5:end + 7] == '\\u':
|
||||
raise ValueError(errmsg(msg, s, end))
|
||||
esc2 = s[end + 7:end + 11]
|
||||
if len(esc2) != 4:
|
||||
raise ValueError(errmsg(msg, s, end))
|
||||
uni2 = int(esc2, 16)
|
||||
uni = 0x10000 + (((uni - 0xd800) << 10) | (uni2 - 0xdc00))
|
||||
next_end += 6
|
||||
char = unichr(uni)
|
||||
end = next_end
|
||||
# Append the unescaped character
|
||||
_append(char)
|
||||
return u''.join(chunks), end
|
||||
|
||||
|
||||
# Use speedup if available
|
||||
scanstring = c_scanstring or py_scanstring
|
||||
|
||||
WHITESPACE = re.compile(r'[ \t\n\r]*', FLAGS)
|
||||
WHITESPACE_STR = ' \t\n\r'
|
||||
|
||||
def JSONObject((s, end), encoding, strict, scan_once, object_hook, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
|
||||
pairs = {}
|
||||
# Use a slice to prevent IndexError from being raised, the following
|
||||
# check will raise a more specific ValueError if the string is empty
|
||||
nextchar = s[end:end + 1]
|
||||
# Normally we expect nextchar == '"'
|
||||
if nextchar != '"':
|
||||
if nextchar in _ws:
|
||||
end = _w(s, end).end()
|
||||
nextchar = s[end:end + 1]
|
||||
# Trivial empty object
|
||||
if nextchar == '}':
|
||||
return pairs, end + 1
|
||||
elif nextchar != '"':
|
||||
raise ValueError(errmsg("Expecting property name", s, end))
|
||||
end += 1
|
||||
while True:
|
||||
key, end = scanstring(s, end, encoding, strict)
|
||||
|
||||
# To skip some function call overhead we optimize the fast paths where
|
||||
# the JSON key separator is ": " or just ":".
|
||||
if s[end:end + 1] != ':':
|
||||
end = _w(s, end).end()
|
||||
if s[end:end + 1] != ':':
|
||||
raise ValueError(errmsg("Expecting : delimiter", s, end))
|
||||
|
||||
end += 1
|
||||
|
||||
try:
|
||||
if s[end] in _ws:
|
||||
end += 1
|
||||
if s[end] in _ws:
|
||||
end = _w(s, end + 1).end()
|
||||
except IndexError:
|
||||
pass
|
||||
|
||||
try:
|
||||
value, end = scan_once(s, end)
|
||||
except StopIteration:
|
||||
raise ValueError(errmsg("Expecting object", s, end))
|
||||
pairs[key] = value
|
||||
|
||||
try:
|
||||
nextchar = s[end]
|
||||
if nextchar in _ws:
|
||||
end = _w(s, end + 1).end()
|
||||
nextchar = s[end]
|
||||
except IndexError:
|
||||
nextchar = ''
|
||||
end += 1
|
||||
|
||||
if nextchar == '}':
|
||||
break
|
||||
elif nextchar != ',':
|
||||
raise ValueError(errmsg("Expecting , delimiter", s, end - 1))
|
||||
|
||||
try:
|
||||
nextchar = s[end]
|
||||
if nextchar in _ws:
|
||||
end += 1
|
||||
nextchar = s[end]
|
||||
if nextchar in _ws:
|
||||
end = _w(s, end + 1).end()
|
||||
nextchar = s[end]
|
||||
except IndexError:
|
||||
nextchar = ''
|
||||
|
||||
end += 1
|
||||
if nextchar != '"':
|
||||
raise ValueError(errmsg("Expecting property name", s, end - 1))
|
||||
|
||||
if object_hook is not None:
|
||||
pairs = object_hook(pairs)
|
||||
return pairs, end
|
||||
|
||||
def JSONArray((s, end), scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
|
||||
values = []
|
||||
nextchar = s[end:end + 1]
|
||||
if nextchar in _ws:
|
||||
end = _w(s, end + 1).end()
|
||||
nextchar = s[end:end + 1]
|
||||
# Look-ahead for trivial empty array
|
||||
if nextchar == ']':
|
||||
return values, end + 1
|
||||
_append = values.append
|
||||
while True:
|
||||
try:
|
||||
value, end = scan_once(s, end)
|
||||
except StopIteration:
|
||||
raise ValueError(errmsg("Expecting object", s, end))
|
||||
_append(value)
|
||||
nextchar = s[end:end + 1]
|
||||
if nextchar in _ws:
|
||||
end = _w(s, end + 1).end()
|
||||
nextchar = s[end:end + 1]
|
||||
end += 1
|
||||
if nextchar == ']':
|
||||
break
|
||||
elif nextchar != ',':
|
||||
raise ValueError(errmsg("Expecting , delimiter", s, end))
|
||||
|
||||
try:
|
||||
if s[end] in _ws:
|
||||
end += 1
|
||||
if s[end] in _ws:
|
||||
end = _w(s, end + 1).end()
|
||||
except IndexError:
|
||||
pass
|
||||
|
||||
return values, end
|
||||
|
||||
class JSONDecoder(object):
|
||||
"""Simple JSON <http://json.org> decoder
|
||||
|
||||
Performs the following translations in decoding by default:
|
||||
|
||||
+---------------+-------------------+
|
||||
| JSON | Python |
|
||||
+===============+===================+
|
||||
| object | dict |
|
||||
+---------------+-------------------+
|
||||
| array | list |
|
||||
+---------------+-------------------+
|
||||
| string | unicode |
|
||||
+---------------+-------------------+
|
||||
| number (int) | int, long |
|
||||
+---------------+-------------------+
|
||||
| number (real) | float |
|
||||
+---------------+-------------------+
|
||||
| true | True |
|
||||
+---------------+-------------------+
|
||||
| false | False |
|
||||
+---------------+-------------------+
|
||||
| null | None |
|
||||
+---------------+-------------------+
|
||||
|
||||
It also understands ``NaN``, ``Infinity``, and ``-Infinity`` as
|
||||
their corresponding ``float`` values, which is outside the JSON spec.
|
||||
|
||||
"""
|
||||
|
||||
def __init__(self, encoding=None, object_hook=None, parse_float=None,
|
||||
parse_int=None, parse_constant=None, strict=True):
|
||||
"""``encoding`` determines the encoding used to interpret any ``str``
|
||||
objects decoded by this instance (utf-8 by default). It has no
|
||||
effect when decoding ``unicode`` objects.
|
||||
|
||||
Note that currently only encodings that are a superset of ASCII work,
|
||||
strings of other encodings should be passed in as ``unicode``.
|
||||
|
||||
``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 ``dict``. This can be used to provide custom
|
||||
deserializations (e.g. to support JSON-RPC class hinting).
|
||||
|
||||
``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. 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. float).
|
||||
|
||||
``parse_constant``, if specified, will be called with one of the
|
||||
following strings: -Infinity, Infinity, NaN.
|
||||
This can be used to raise an exception if invalid JSON numbers
|
||||
are encountered.
|
||||
|
||||
"""
|
||||
self.encoding = encoding
|
||||
self.object_hook = object_hook
|
||||
self.parse_float = parse_float or float
|
||||
self.parse_int = parse_int or int
|
||||
self.parse_constant = parse_constant or _CONSTANTS.__getitem__
|
||||
self.strict = strict
|
||||
self.parse_object = JSONObject
|
||||
self.parse_array = JSONArray
|
||||
self.parse_string = scanstring
|
||||
self.scan_once = make_scanner(self)
|
||||
|
||||
def decode(self, s, _w=WHITESPACE.match):
|
||||
"""Return the Python representation of ``s`` (a ``str`` or ``unicode``
|
||||
instance containing a JSON document)
|
||||
|
||||
"""
|
||||
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
|
||||
end = _w(s, end).end()
|
||||
if end != len(s):
|
||||
raise ValueError(errmsg("Extra data", s, end, len(s)))
|
||||
return obj
|
||||
|
||||
def raw_decode(self, s, idx=0):
|
||||
"""Decode a JSON document from ``s`` (a ``str`` or ``unicode`` beginning
|
||||
with a JSON document) and return a 2-tuple of the Python
|
||||
representation and the index in ``s`` where the document ended.
|
||||
|
||||
This can be used to decode a JSON document from a string that may
|
||||
have extraneous data at the end.
|
||||
|
||||
"""
|
||||
try:
|
||||
obj, end = self.scan_once(s, idx)
|
||||
except StopIteration:
|
||||
raise ValueError("No JSON object could be decoded")
|
||||
return obj, end
|
||||
@ -1,440 +0,0 @@
|
||||
"""Implementation of JSONEncoder
|
||||
"""
|
||||
import re
|
||||
|
||||
try:
|
||||
from simplejson._speedups import encode_basestring_ascii as c_encode_basestring_ascii
|
||||
except ImportError:
|
||||
c_encode_basestring_ascii = None
|
||||
try:
|
||||
from simplejson._speedups import make_encoder as c_make_encoder
|
||||
except ImportError:
|
||||
c_make_encoder = None
|
||||
|
||||
ESCAPE = re.compile(r'[\x00-\x1f\\"\b\f\n\r\t]')
|
||||
ESCAPE_ASCII = re.compile(r'([\\"]|[^\ -~])')
|
||||
HAS_UTF8 = re.compile(r'[\x80-\xff]')
|
||||
ESCAPE_DCT = {
|
||||
'\\': '\\\\',
|
||||
'"': '\\"',
|
||||
'\b': '\\b',
|
||||
'\f': '\\f',
|
||||
'\n': '\\n',
|
||||
'\r': '\\r',
|
||||
'\t': '\\t',
|
||||
}
|
||||
for i in range(0x20):
|
||||
#ESCAPE_DCT.setdefault(chr(i), '\\u{0:04x}'.format(i))
|
||||
ESCAPE_DCT.setdefault(chr(i), '\\u%04x' % (i,))
|
||||
|
||||
# Assume this produces an infinity on all machines (probably not guaranteed)
|
||||
INFINITY = float('1e66666')
|
||||
FLOAT_REPR = repr
|
||||
|
||||
def encode_basestring(s):
|
||||
"""Return a JSON representation of a Python string
|
||||
|
||||
"""
|
||||
def replace(match):
|
||||
return ESCAPE_DCT[match.group(0)]
|
||||
return '"' + ESCAPE.sub(replace, s) + '"'
|
||||
|
||||
|
||||
def py_encode_basestring_ascii(s):
|
||||
"""Return an ASCII-only JSON representation of a Python string
|
||||
|
||||
"""
|
||||
if isinstance(s, str) and HAS_UTF8.search(s) is not None:
|
||||
s = s.decode('utf-8')
|
||||
def replace(match):
|
||||
s = match.group(0)
|
||||
try:
|
||||
return ESCAPE_DCT[s]
|
||||
except KeyError:
|
||||
n = ord(s)
|
||||
if n < 0x10000:
|
||||
#return '\\u{0:04x}'.format(n)
|
||||
return '\\u%04x' % (n,)
|
||||
else:
|
||||
# surrogate pair
|
||||
n -= 0x10000
|
||||
s1 = 0xd800 | ((n >> 10) & 0x3ff)
|
||||
s2 = 0xdc00 | (n & 0x3ff)
|
||||
#return '\\u{0:04x}\\u{1:04x}'.format(s1, s2)
|
||||
return '\\u%04x\\u%04x' % (s1, s2)
|
||||
return '"' + str(ESCAPE_ASCII.sub(replace, s)) + '"'
|
||||
|
||||
|
||||
encode_basestring_ascii = c_encode_basestring_ascii or py_encode_basestring_ascii
|
||||
|
||||
class JSONEncoder(object):
|
||||
"""Extensible JSON <http://json.org> encoder for Python data structures.
|
||||
|
||||
Supports the following objects and types by default:
|
||||
|
||||
+-------------------+---------------+
|
||||
| Python | JSON |
|
||||
+===================+===============+
|
||||
| dict | object |
|
||||
+-------------------+---------------+
|
||||
| list, tuple | array |
|
||||
+-------------------+---------------+
|
||||
| str, unicode | string |
|
||||
+-------------------+---------------+
|
||||
| int, long, float | number |
|
||||
+-------------------+---------------+
|
||||
| True | true |
|
||||
+-------------------+---------------+
|
||||
| False | false |
|
||||
+-------------------+---------------+
|
||||
| None | null |
|
||||
+-------------------+---------------+
|
||||
|
||||
To extend this to recognize other objects, subclass and implement a
|
||||
``.default()`` method with another method that returns a serializable
|
||||
object for ``o`` if possible, otherwise it should call the superclass
|
||||
implementation (to raise ``TypeError``).
|
||||
|
||||
"""
|
||||
item_separator = ', '
|
||||
key_separator = ': '
|
||||
def __init__(self, skipkeys=False, ensure_ascii=True,
|
||||
check_circular=True, allow_nan=True, sort_keys=False,
|
||||
indent=None, separators=None, encoding='utf-8', default=None):
|
||||
"""Constructor for JSONEncoder, with sensible defaults.
|
||||
|
||||
If skipkeys is false, then it is a TypeError to attempt
|
||||
encoding of keys that are not str, int, long, float or None. If
|
||||
skipkeys is True, such items are simply skipped.
|
||||
|
||||
If ensure_ascii is true, the output is guaranteed to be str
|
||||
objects with all incoming unicode characters escaped. If
|
||||
ensure_ascii is false, the output will be unicode object.
|
||||
|
||||
If check_circular is true, then lists, dicts, and custom encoded
|
||||
objects will be checked for circular references during encoding to
|
||||
prevent an infinite recursion (which would cause an OverflowError).
|
||||
Otherwise, no such check takes place.
|
||||
|
||||
If allow_nan is true, then NaN, Infinity, and -Infinity will be
|
||||
encoded as such. This behavior is not JSON specification compliant,
|
||||
but is consistent with most JavaScript based encoders and decoders.
|
||||
Otherwise, it will be a ValueError to encode such floats.
|
||||
|
||||
If sort_keys is true, then the output of dictionaries will be
|
||||
sorted by key; this is useful for regression tests to ensure
|
||||
that JSON serializations can be compared on a day-to-day basis.
|
||||
|
||||
If indent is a non-negative integer, then JSON array
|
||||
elements and object members will be pretty-printed with that
|
||||
indent level. An indent level of 0 will only insert newlines.
|
||||
None is the most compact representation.
|
||||
|
||||
If specified, separators should be a (item_separator, key_separator)
|
||||
tuple. The default is (', ', ': '). To get the most compact JSON
|
||||
representation you should specify (',', ':') to eliminate whitespace.
|
||||
|
||||
If specified, default is a function that gets called for objects
|
||||
that can't otherwise be serialized. It should return a JSON encodable
|
||||
version of the object or raise a ``TypeError``.
|
||||
|
||||
If encoding is not None, then all input strings will be
|
||||
transformed into unicode using that encoding prior to JSON-encoding.
|
||||
The default is UTF-8.
|
||||
|
||||
"""
|
||||
|
||||
self.skipkeys = skipkeys
|
||||
self.ensure_ascii = ensure_ascii
|
||||
self.check_circular = check_circular
|
||||
self.allow_nan = allow_nan
|
||||
self.sort_keys = sort_keys
|
||||
self.indent = indent
|
||||
if separators is not None:
|
||||
self.item_separator, self.key_separator = separators
|
||||
if default is not None:
|
||||
self.default = default
|
||||
self.encoding = encoding
|
||||
|
||||
def default(self, o):
|
||||
"""Implement this method in a subclass such that it returns
|
||||
a serializable object for ``o``, or calls the base implementation
|
||||
(to raise a ``TypeError``).
|
||||
|
||||
For example, to support arbitrary iterators, you could
|
||||
implement default like this::
|
||||
|
||||
def default(self, o):
|
||||
try:
|
||||
iterable = iter(o)
|
||||
except TypeError:
|
||||
pass
|
||||
else:
|
||||
return list(iterable)
|
||||
return JSONEncoder.default(self, o)
|
||||
|
||||
"""
|
||||
raise TypeError(repr(o) + " is not JSON serializable")
|
||||
|
||||
def encode(self, o):
|
||||
"""Return a JSON string representation of a Python data structure.
|
||||
|
||||
>>> JSONEncoder().encode({"foo": ["bar", "baz"]})
|
||||
'{"foo": ["bar", "baz"]}'
|
||||
|
||||
"""
|
||||
# This is for extremely simple cases and benchmarks.
|
||||
if isinstance(o, basestring):
|
||||
if isinstance(o, str):
|
||||
_encoding = self.encoding
|
||||
if (_encoding is not None
|
||||
and not (_encoding == 'utf-8')):
|
||||
o = o.decode(_encoding)
|
||||
if self.ensure_ascii:
|
||||
return encode_basestring_ascii(o)
|
||||
else:
|
||||
return encode_basestring(o)
|
||||
# This doesn't pass the iterator directly to ''.join() because the
|
||||
# exceptions aren't as detailed. The list call should be roughly
|
||||
# equivalent to the PySequence_Fast that ''.join() would do.
|
||||
chunks = self.iterencode(o, _one_shot=True)
|
||||
if not isinstance(chunks, (list, tuple)):
|
||||
chunks = list(chunks)
|
||||
return ''.join(chunks)
|
||||
|
||||
def iterencode(self, o, _one_shot=False):
|
||||
"""Encode the given object and yield each string
|
||||
representation as available.
|
||||
|
||||
For example::
|
||||
|
||||
for chunk in JSONEncoder().iterencode(bigobject):
|
||||
mysocket.write(chunk)
|
||||
|
||||
"""
|
||||
if self.check_circular:
|
||||
markers = {}
|
||||
else:
|
||||
markers = None
|
||||
if self.ensure_ascii:
|
||||
_encoder = encode_basestring_ascii
|
||||
else:
|
||||
_encoder = encode_basestring
|
||||
if self.encoding != 'utf-8':
|
||||
def _encoder(o, _orig_encoder=_encoder, _encoding=self.encoding):
|
||||
if isinstance(o, str):
|
||||
o = o.decode(_encoding)
|
||||
return _orig_encoder(o)
|
||||
|
||||
def floatstr(o, allow_nan=self.allow_nan, _repr=FLOAT_REPR, _inf=INFINITY, _neginf=-INFINITY):
|
||||
# Check for specials. Note that this type of test is processor- and/or
|
||||
# platform-specific, so do tests which don't depend on the internals.
|
||||
|
||||
if o != o:
|
||||
text = 'NaN'
|
||||
elif o == _inf:
|
||||
text = 'Infinity'
|
||||
elif o == _neginf:
|
||||
text = '-Infinity'
|
||||
else:
|
||||
return _repr(o)
|
||||
|
||||
if not allow_nan:
|
||||
raise ValueError(
|
||||
"Out of range float values are not JSON compliant: " +
|
||||
repr(o))
|
||||
|
||||
return text
|
||||
|
||||
|
||||
if _one_shot and c_make_encoder is not None and not self.indent and not self.sort_keys:
|
||||
_iterencode = c_make_encoder(
|
||||
markers, self.default, _encoder, self.indent,
|
||||
self.key_separator, self.item_separator, self.sort_keys,
|
||||
self.skipkeys, self.allow_nan)
|
||||
else:
|
||||
_iterencode = _make_iterencode(
|
||||
markers, self.default, _encoder, self.indent, floatstr,
|
||||
self.key_separator, self.item_separator, self.sort_keys,
|
||||
self.skipkeys, _one_shot)
|
||||
return _iterencode(o, 0)
|
||||
|
||||
def _make_iterencode(markers, _default, _encoder, _indent, _floatstr, _key_separator, _item_separator, _sort_keys, _skipkeys, _one_shot,
|
||||
## HACK: hand-optimized bytecode; turn globals into locals
|
||||
False=False,
|
||||
True=True,
|
||||
ValueError=ValueError,
|
||||
basestring=basestring,
|
||||
dict=dict,
|
||||
float=float,
|
||||
id=id,
|
||||
int=int,
|
||||
isinstance=isinstance,
|
||||
list=list,
|
||||
long=long,
|
||||
str=str,
|
||||
tuple=tuple,
|
||||
):
|
||||
|
||||
def _iterencode_list(lst, _current_indent_level):
|
||||
if not lst:
|
||||
yield '[]'
|
||||
return
|
||||
if markers is not None:
|
||||
markerid = id(lst)
|
||||
if markerid in markers:
|
||||
raise ValueError("Circular reference detected")
|
||||
markers[markerid] = lst
|
||||
buf = '['
|
||||
if _indent is not None:
|
||||
_current_indent_level += 1
|
||||
newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
|
||||
separator = _item_separator + newline_indent
|
||||
buf += newline_indent
|
||||
else:
|
||||
newline_indent = None
|
||||
separator = _item_separator
|
||||
first = True
|
||||
for value in lst:
|
||||
if first:
|
||||
first = False
|
||||
else:
|
||||
buf = separator
|
||||
if isinstance(value, basestring):
|
||||
yield buf + _encoder(value)
|
||||
elif value is None:
|
||||
yield buf + 'null'
|
||||
elif value is True:
|
||||
yield buf + 'true'
|
||||
elif value is False:
|
||||
yield buf + 'false'
|
||||
elif isinstance(value, (int, long)):
|
||||
yield buf + str(value)
|
||||
elif isinstance(value, float):
|
||||
yield buf + _floatstr(value)
|
||||
else:
|
||||
yield buf
|
||||
if isinstance(value, (list, tuple)):
|
||||
chunks = _iterencode_list(value, _current_indent_level)
|
||||
elif isinstance(value, dict):
|
||||
chunks = _iterencode_dict(value, _current_indent_level)
|
||||
else:
|
||||
chunks = _iterencode(value, _current_indent_level)
|
||||
for chunk in chunks:
|
||||
yield chunk
|
||||
if newline_indent is not None:
|
||||
_current_indent_level -= 1
|
||||
yield '\n' + (' ' * (_indent * _current_indent_level))
|
||||
yield ']'
|
||||
if markers is not None:
|
||||
del markers[markerid]
|
||||
|
||||
def _iterencode_dict(dct, _current_indent_level):
|
||||
if not dct:
|
||||
yield '{}'
|
||||
return
|
||||
if markers is not None:
|
||||
markerid = id(dct)
|
||||
if markerid in markers:
|
||||
raise ValueError("Circular reference detected")
|
||||
markers[markerid] = dct
|
||||
yield '{'
|
||||
if _indent is not None:
|
||||
_current_indent_level += 1
|
||||
newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
|
||||
item_separator = _item_separator + newline_indent
|
||||
yield newline_indent
|
||||
else:
|
||||
newline_indent = None
|
||||
item_separator = _item_separator
|
||||
first = True
|
||||
if _sort_keys:
|
||||
items = dct.items()
|
||||
items.sort(key=lambda kv: kv[0])
|
||||
else:
|
||||
items = dct.iteritems()
|
||||
for key, value in items:
|
||||
if isinstance(key, basestring):
|
||||
pass
|
||||
# JavaScript is weakly typed for these, so it makes sense to
|
||||
# also allow them. Many encoders seem to do something like this.
|
||||
elif isinstance(key, float):
|
||||
key = _floatstr(key)
|
||||
elif key is True:
|
||||
key = 'true'
|
||||
elif key is False:
|
||||
key = 'false'
|
||||
elif key is None:
|
||||
key = 'null'
|
||||
elif isinstance(key, (int, long)):
|
||||
key = str(key)
|
||||
elif _skipkeys:
|
||||
continue
|
||||
else:
|
||||
raise TypeError("key " + repr(key) + " is not a string")
|
||||
if first:
|
||||
first = False
|
||||
else:
|
||||
yield item_separator
|
||||
yield _encoder(key)
|
||||
yield _key_separator
|
||||
if isinstance(value, basestring):
|
||||
yield _encoder(value)
|
||||
elif value is None:
|
||||
yield 'null'
|
||||
elif value is True:
|
||||
yield 'true'
|
||||
elif value is False:
|
||||
yield 'false'
|
||||
elif isinstance(value, (int, long)):
|
||||
yield str(value)
|
||||
elif isinstance(value, float):
|
||||
yield _floatstr(value)
|
||||
else:
|
||||
if isinstance(value, (list, tuple)):
|
||||
chunks = _iterencode_list(value, _current_indent_level)
|
||||
elif isinstance(value, dict):
|
||||
chunks = _iterencode_dict(value, _current_indent_level)
|
||||
else:
|
||||
chunks = _iterencode(value, _current_indent_level)
|
||||
for chunk in chunks:
|
||||
yield chunk
|
||||
if newline_indent is not None:
|
||||
_current_indent_level -= 1
|
||||
yield '\n' + (' ' * (_indent * _current_indent_level))
|
||||
yield '}'
|
||||
if markers is not None:
|
||||
del markers[markerid]
|
||||
|
||||
def _iterencode(o, _current_indent_level):
|
||||
if isinstance(o, basestring):
|
||||
yield _encoder(o)
|
||||
elif o is None:
|
||||
yield 'null'
|
||||
elif o is True:
|
||||
yield 'true'
|
||||
elif o is False:
|
||||
yield 'false'
|
||||
elif isinstance(o, (int, long)):
|
||||
yield str(o)
|
||||
elif isinstance(o, float):
|
||||
yield _floatstr(o)
|
||||
elif isinstance(o, (list, tuple)):
|
||||
for chunk in _iterencode_list(o, _current_indent_level):
|
||||
yield chunk
|
||||
elif isinstance(o, dict):
|
||||
for chunk in _iterencode_dict(o, _current_indent_level):
|
||||
yield chunk
|
||||
else:
|
||||
if markers is not None:
|
||||
markerid = id(o)
|
||||
if markerid in markers:
|
||||
raise ValueError("Circular reference detected")
|
||||
markers[markerid] = o
|
||||
o = _default(o)
|
||||
for chunk in _iterencode(o, _current_indent_level):
|
||||
yield chunk
|
||||
if markers is not None:
|
||||
del markers[markerid]
|
||||
|
||||
return _iterencode
|
||||
@ -1,65 +0,0 @@
|
||||
"""JSON token scanner
|
||||
"""
|
||||
import re
|
||||
try:
|
||||
from simplejson._speedups import make_scanner as c_make_scanner
|
||||
except ImportError:
|
||||
c_make_scanner = None
|
||||
|
||||
__all__ = ['make_scanner']
|
||||
|
||||
NUMBER_RE = re.compile(
|
||||
r'(-?(?:0|[1-9]\d*))(\.\d+)?([eE][-+]?\d+)?',
|
||||
(re.VERBOSE | re.MULTILINE | re.DOTALL))
|
||||
|
||||
def py_make_scanner(context):
|
||||
parse_object = context.parse_object
|
||||
parse_array = context.parse_array
|
||||
parse_string = context.parse_string
|
||||
match_number = NUMBER_RE.match
|
||||
encoding = context.encoding
|
||||
strict = context.strict
|
||||
parse_float = context.parse_float
|
||||
parse_int = context.parse_int
|
||||
parse_constant = context.parse_constant
|
||||
object_hook = context.object_hook
|
||||
|
||||
def _scan_once(string, idx):
|
||||
try:
|
||||
nextchar = string[idx]
|
||||
except IndexError:
|
||||
raise StopIteration
|
||||
|
||||
if nextchar == '"':
|
||||
return parse_string(string, idx + 1, encoding, strict)
|
||||
elif nextchar == '{':
|
||||
return parse_object((string, idx + 1), encoding, strict, _scan_once, object_hook)
|
||||
elif nextchar == '[':
|
||||
return parse_array((string, idx + 1), _scan_once)
|
||||
elif nextchar == 'n' and string[idx:idx + 4] == 'null':
|
||||
return None, idx + 4
|
||||
elif nextchar == 't' and string[idx:idx + 4] == 'true':
|
||||
return True, idx + 4
|
||||
elif nextchar == 'f' and string[idx:idx + 5] == 'false':
|
||||
return False, idx + 5
|
||||
|
||||
m = match_number(string, idx)
|
||||
if m is not None:
|
||||
integer, frac, exp = m.groups()
|
||||
if frac or exp:
|
||||
res = parse_float(integer + (frac or '') + (exp or ''))
|
||||
else:
|
||||
res = parse_int(integer)
|
||||
return res, m.end()
|
||||
elif nextchar == 'N' and string[idx:idx + 3] == 'NaN':
|
||||
return parse_constant('NaN'), idx + 3
|
||||
elif nextchar == 'I' and string[idx:idx + 8] == 'Infinity':
|
||||
return parse_constant('Infinity'), idx + 8
|
||||
elif nextchar == '-' and string[idx:idx + 9] == '-Infinity':
|
||||
return parse_constant('-Infinity'), idx + 9
|
||||
else:
|
||||
raise StopIteration
|
||||
|
||||
return _scan_once
|
||||
|
||||
make_scanner = c_make_scanner or py_make_scanner
|
||||
@ -0,0 +1,2 @@
|
||||
---
|
||||
pkg_mgr_python_interpreter: python
|
||||
@ -0,0 +1,2 @@
|
||||
---
|
||||
pkg_mgr_python_interpreter: /usr/libexec/platform-python
|
||||
@ -1,5 +1,5 @@
|
||||
- import_playbook: delegate_to_template.yml
|
||||
- import_playbook: local_action.yml
|
||||
- import_playbook: osa_container_standalone.yml
|
||||
- import_playbook: osa_delegate_to_self.yml
|
||||
#- import_playbook: osa_container_standalone.yml
|
||||
#- import_playbook: osa_delegate_to_self.yml
|
||||
- import_playbook: stack_construction.yml
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue