def cast_from_str(self, value):
try:
value = QUrl(value)
self.is_valid(value)
return value
except (TypeError, ValueError) as e:
raise MetadataCastError(e)
def cast_from_str(self, value):
try:
return float(value)
except ValueError:
try:
return tuple(json.loads(value))
except ValueError as e:
raise MetadataCastError(e)
def cast_from_str(self, value):
try:
return datetime.strptime(value, "%Y-%m-%dT%H:%M:%S.%f")
except ValueError:
try:
return datetime.strptime(value, "%Y-%m-%dT%H:%M:%S")
except ValueError:
try:
return datetime.strptime(value, "%Y-%m-%d")
except ValueError as e:
raise MetadataCastError(e)
def cast_from_str(self, value):
try:
value = json.loads(value)
# Checking if the v is basestring, try to decode if it's json
for k, v in value.items():
if isinstance(v, basestring):
try:
# Try to get dictionary, if possible.
dictionary_value = json.loads(v)
if isinstance(dictionary_value, dict):
value[k] = dictionary_value
else:
pass
except ValueError:
# Try to get time, if possible.
try:
value[k] = datetime.strptime(
v, "%Y-%m-%dT%H:%M:%S.%f")
except ValueError:
pass
return value
except ValueError as e:
raise MetadataCastError(e)
def cast_from_str(self, value):
try:
return bool(int(value))
except ValueError as e:
raise MetadataCastError(e)
