def _type_check_datetime(self, value):
try:
parse_to_aware_datetime(value)
return True
except (TypeError, ValueError, AttributeError):
# Yes, dateutil can sometimes raise an AttributeError
# when parsing timestamps.
return False
def _convert_header_value(self, shape, value):
if shape.type_name == 'timestamp':
datetime_obj = parse_to_aware_datetime(value)
timestamp = calendar.timegm(datetime_obj.utctimetuple())
return self._timestamp_rfc822(timestamp)
else:
return value
def _convert_timestamp_to_str(self, value, timestamp_format=None):
if timestamp_format is None:
timestamp_format = self.TIMESTAMP_FORMAT
timestamp_format = timestamp_format.lower()
datetime_obj = parse_to_aware_datetime(value)
converter = getattr(self, '_timestamp_%s' % timestamp_format)
final_value = converter(datetime_obj)
return final_value
def _convert_header_value(self, shape, value):
if shape.type_name == 'timestamp':
datetime_obj = parse_to_aware_datetime(value)
timestamp = calendar.timegm(datetime_obj.utctimetuple())
timestamp_format = shape.serialization.get(
'timestampFormat', self.HEADER_TIMESTAMP_FORMAT)
return self._convert_timestamp_to_str(timestamp, timestamp_format)
elif is_json_value_header(shape):
# Serialize with no spaces after separators to save space in
# the header.
return self._get_base64(json.dumps(value, separators=(',', ':')))
else:
return value
def _to_timestamp(self, datetime_obj):
obj = utils.parse_to_aware_datetime(datetime_obj)
return obj.strftime('%Y-%m-%dT%H:%M:%SZ')
def _convert_timestamp_to_str(self, value):
datetime_obj = parse_to_aware_datetime(value)
converter = getattr(self,
'_timestamp_%s' % self.TIMESTAMP_FORMAT.lower())
final_value = converter(datetime_obj)
return final_value