def convert(arg_name, arg_type, arg_value):
converted_value = arg_value
try:
if arg_type is file:
if type(arg_value) is not file:
if hasattr(arg_value, 'file'):
converted_value = arg_value.file
else:
raise ValueError("Value must be an open file object, or uploaded file.")
if arg_type == 'filedict':
if type(arg_value) is not dict:
if hasattr(arg_value, 'file'):
converted_value = {'file': arg_value.file}
else:
raise ValueError("Value must be an open file object, or uploaded file.")
if hasattr(arg_value, 'filename'):
converted_value['filename'] = arg_value.filename
elif arg_type is int:
converted_value = int(arg_value)
elif arg_type is float:
converted_value = float(arg_value)
elif arg_type is datetime:
converted_value = convert_date(arg_value)
elif type(arg_type) is declarative.DeclarativeMeta:
if type(type(arg_value)) is not declarative.DeclarativeMeta:
is_int = True
try:
arg_value = int(arg_value)
except ValueError, e:
is_int = False
if not is_int and hasattr(arg_type, 'eid'):
field = arg_type.eid
if arg_value is str:
arg_value = arg_value.decode('utf-8')
else:
arg_value = unicode(arg_value)
else:
field = arg_type.id
arg_value = int(arg_value)
converted_value = Session.query(arg_type).filter(field == arg_value).first()
elif arg_type is str:
if type(arg_value) is unicode:
converted_value = arg_value.encode('utf-8')
else:
converted_value = str(arg_value)
def _to_python(self, value, state):
try:
value = convert_date(value)
except (ValueError,), e:
raise fv.Invalid(e.args[0], value, state)
def _to_python(self, value, state):
try:
value = convert_date(value)
except (ValueError, ), e:
raise fv.Invalid(e.args[0], value, state)
