112 lines
2.7 KiB
Python
112 lines
2.7 KiB
Python
import base64
|
|
import datetime
|
|
import decimal
|
|
|
|
from simplegeneric import generic
|
|
|
|
from wsme.rest import RestProtocol
|
|
from wsme.controller import register_protocol
|
|
import wsme.types
|
|
|
|
try:
|
|
import simplejson as json
|
|
except ImportError:
|
|
import json
|
|
|
|
|
|
@generic
|
|
def tojson(datatype, value):
|
|
if wsme.types.isstructured(datatype):
|
|
d = dict()
|
|
for name, attr in wsme.types.list_attributes(datatype):
|
|
d[name] = tojson(attr.datatype, getattr(value, name))
|
|
return d
|
|
return value
|
|
|
|
|
|
@tojson.when_object(decimal.Decimal)
|
|
def decimal_tojson(datatype, value):
|
|
return str(value)
|
|
|
|
|
|
@tojson.when_object(datetime.date)
|
|
def date_tojson(datatype, value):
|
|
return value.isoformat()
|
|
|
|
|
|
@tojson.when_object(datetime.time)
|
|
def time_tojson(datatype, value):
|
|
return value.isoformat()
|
|
|
|
|
|
@tojson.when_object(datetime.datetime)
|
|
def datetime_tojson(datatype, value):
|
|
return value.isoformat()
|
|
|
|
|
|
@tojson.when_object(wsme.types.binary)
|
|
def datetime_tojson(datatype, value):
|
|
return base64.encodestring(value)
|
|
|
|
|
|
@generic
|
|
def fromjson(datatype, value):
|
|
if value is None:
|
|
return None
|
|
if wsme.types.isstructured(datatype):
|
|
obj = datatype()
|
|
for name, attrdef in wsme.types.list_attributes(datatype):
|
|
if name in value:
|
|
setattr(obj, name, fromjson(attrdef.datatype, value[name]))
|
|
return obj
|
|
return value
|
|
|
|
|
|
@fromjson.when_object(decimal.Decimal)
|
|
def decimal_fromjson(datatype, value):
|
|
return decimal.Decimal(value)
|
|
|
|
|
|
@fromjson.when_object(datetime.date)
|
|
def date_fromjson(datatype, value):
|
|
return datetime.datetime.strptime(value, '%Y-%m-%d').date()
|
|
|
|
|
|
@fromjson.when_object(datetime.time)
|
|
def time_fromjson(datatype, value):
|
|
return datetime.datetime.strptime(value, '%H:%M:%S').time()
|
|
|
|
|
|
@fromjson.when_object(datetime.datetime)
|
|
def time_fromjson(datatype, value):
|
|
return datetime.datetime.strptime(value, '%Y-%m-%dT%H:%M:%S')
|
|
|
|
|
|
@fromjson.when_object(wsme.types.binary)
|
|
def binary_fromjson(datatype, value):
|
|
return base64.decodestring(value)
|
|
|
|
|
|
class RestJsonProtocol(RestProtocol):
|
|
name = 'REST+Json'
|
|
dataformat = 'json'
|
|
content_types = ['application/json', 'text/json', None]
|
|
|
|
def decode_args(self, req, arguments):
|
|
raw_args = json.loads(req.body)
|
|
kw = {}
|
|
for farg in arguments:
|
|
if farg.mandatory and farg.name not in raw_args:
|
|
raise MissingArgument(farg.name)
|
|
value = raw_args[farg.name]
|
|
kw[farg.name] = fromjson(farg.datatype, value)
|
|
return kw
|
|
|
|
def encode_result(self, result, return_type):
|
|
return json.dumps({'result': tojson(return_type, result)})
|
|
|
|
def encode_error(self, errordetail):
|
|
return json.dumps(errordetail)
|
|
|
|
register_protocol(RestJsonProtocol)
|