Source code for wheezy.core.json
""" ``json`` module.
"""
from decimal import Decimal
from wheezy.core.comp import SimpleJSONEncoder
from wheezy.core.comp import json_dumps
from wheezy.core.comp import json_loads
from wheezy.core.comp import str_type
from wheezy.core.datetime import format_iso_datetime
from wheezy.core.datetime import format_iso_time
from wheezy.core.introspection import import_name
date = import_name('datetime.date')
datetime = import_name('datetime.datetime')
time = import_name('datetime.time')
def json_encode(obj):
[docs] """ Encode ``obj`` as a JSON formatted unicode string.
Correctly escapes forward slash to be able
embed javascript code.
"""
return json_dumps(obj, cls=JSONEncoder, ensure_ascii=False,
separators=(',', ':')).replace('</', '<\\/')
def json_decode(s):
[docs] """ Decode ``s`` (containing a JSON unicode string) to a Python
object.
"""
return json_loads(s, parse_float=Decimal)
class JSONEncoder(SimpleJSONEncoder):
def default(self, obj):
if isinstance(obj, datetime):
if obj == datetime.min:
return str_type('')
return format_iso_datetime(obj)
elif isinstance(obj, date):
if obj == date.min:
return str_type('')
return obj.isoformat()
elif isinstance(obj, time):
return format_iso_time(obj)
elif isinstance(obj, Decimal):
return str_type(obj)
else: # pragma: nocover
return super(JSONEncoder, self).default(obj)