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, six.string_types):
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)
out = ''.join(chunks)
out = re.sub(fix_key, r'\1 =', out) # libconfig's name
out = re.sub(fix_hex, r'\1', out) # libconfig's hex
out = re.sub(fix_hex, r'\1', out) # libconfig's hex
return out[1:-1] # remove outter {}
def _atom(o):
if isinstance(o, jsonb):
return o
elif isinstance(o, str):
return encode_basestring_ascii(o)
elif o is None:
return 'null'
elif o is True:
return 'true'
elif o is False:
return 'false'
elif isinstance(o, int):
return int.__repr__(o)
elif isinstance(o, float):
if o != o:
return 'NaN'
elif o == _INFINITY:
return 'Infinity'
elif o == -_INFINITY:
return '-Infinity'
else:
return float.__repr__(o)
elif isinstance(o, Decimal):
return str(o) # keeps the decimals, float would truncate them
# not a common type
return None
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 _encode_obj(obj, depth):
if isinstance(obj, str):
# Because who cares about portability
yield encoder.encode_basestring_ascii(obj)
elif obj is None:
yield "null"
elif obj is True:
yield "true"
elif obj is False:
yield "false"
elif isinstance(obj, int):
yield str(obj)
elif isinstance(obj, (tuple, list)):
for chunk in _encode_list(obj, depth):
yield chunk
elif isinstance(obj, dict):
for chunk in _encode_dict(obj, depth):
yield chunk
else:
raise TypeError("Can't encode %r" % (obj))
def _encode_obj(obj, depth):
if isinstance(obj, str):
# Because who cares about portability
yield encoder.encode_basestring_ascii(obj)
elif obj is None:
yield "null"
elif obj is True:
yield "true"
elif obj is False:
yield "false"
elif isinstance(obj, int):
yield str(obj)
elif isinstance(obj, (tuple, list)):
for chunk in _encode_list(obj, depth):
yield chunk
elif isinstance(obj, dict):
for chunk in _encode_dict(obj, depth):
yield chunk
else:
raise TypeError("Can't encode %r" % (obj))
def _format(obj, deferred):
if obj is None:
return 'null'
elif obj is True:
return 'true'
elif obj is False:
return 'false'
elif isinstance(obj, (int, float, datetime, date, time, Decimal)):
return str(obj)
elif isinstance(obj, string_types):
return encode_basestring_ascii(obj)
elif isinstance(obj, dict):
return _format_dict(obj, deferred)
elif isinstance(obj, (list, tuple)):
return _format_list(obj, deferred)
elif isinstance(obj, DeferredValue):
return _format_deferred(obj, deferred)
elif isinstance(obj, Condition):
return _format_cond(obj, deferred)
elif isinstance(obj, ConditionNode):
return _format_tree(obj, deferred)
raise ValueError('Unknown object type')
def brief_encode_basestring_ascii(s):
text = encode_basestring_ascii(s)
text = text[:HRDjangoJSONEncoder.MAX_ITEM_LENGTH - 3] + '...' \
if len(text) > HRDjangoJSONEncoder.MAX_ITEM_LENGTH else text
return json.dumps(text)
def __repr__(self):
return encode_basestring_ascii(self.value)
def _format_dict(obj, deferred):
pairs = (encode_basestring_ascii(k) + ':' + _format(v, deferred)
for k, v in iteritems(obj))
return '{' + ','.join(pairs) + '}'
def __repr__(self):
return encode_basestring_ascii(self.value)
