def coerce_type(cls, value, dest_type):
if value is not None:
if cls.is_array_type(dest_type):
base_type = cls.get_base_type(dest_type)
return [ cls.coerce_type(v, base_type) for v in value ]
elif cls.is_dict_type(dest_type):
base_type = cls.get_base_type(dest_type)
return { k : cls.coerce_type(v, base_type) for k,v in value.items() }
if dest_type == cls.INT:
return int(value)
elif dest_type == cls.FLOAT:
return float(value)
elif dest_type == cls.STRING:
if isinstance(value, bytes):
value = value.decode("utf-8")
return str(value)
elif dest_type == cls.ASCII:
if isinstance(value, str):
value = value.encode("ascii","ignore")
return value.decode("ascii","ignore")
elif dest_type == cls.BOOL:
return value in cls.TRUTHY_VALUES
elif dest_type == cls.UNIXTIME:
if isinstance(value, datetime.datetime):
return value
#cast to float from string then to int to remove decimal
try:
ts = int(float(value))
if ts > 0:
return DateUtils.unix_to_datetime(ts)
except (ValueError, TypeError):
pass
try:
return DateUtils.mysql_to_datetime(value)
except (ValueError, TypeError):
pass
return None
elif dest_type == cls.JSON:
return json.loads(value)
#unknown type
return value
def coerce_type(cls, value, dest_type):
if value is not None:
if cls.is_array_type(dest_type):
base_type = cls.get_base_type(dest_type)
return [ cls.coerce_type(v, base_type) for v in value ]
elif cls.is_dict_type(dest_type):
base_type = cls.get_base_type(dest_type)
return { k : cls.coerce_type(v, base_type) for k,v in value.items() }
if dest_type == cls.INT:
return int(value)
elif dest_type == cls.FLOAT:
return float(value)
elif dest_type == cls.STRING:
if isinstance(value, bytes):
value = value.decode("utf-8")
return str(value)
elif dest_type == cls.BOOL:
return value in cls.TRUTHY_VALUES
elif dest_type == cls.UNIXTIME:
if isinstance(value, datetime.datetime):
return value
#cast to float from string then to int to remove decimal
try:
ts = int(float(value))
if ts > 0:
return DateUtils.unix_to_datetime(ts)
except (ValueError, TypeError):
pass
try:
return DateUtils.mysql_to_datetime(value)
except (ValueError, TypeError):
pass
return None
elif dest_type == cls.JSON:
return json.loads(value)
#unknown type
return value
