def format(self, value):
'''数据库默认认为以 'Asia/Shanghai' 时区存储，在输出时做转换。'''
try:
dt = value if value.tzinfo != None else tz_server.localize(value)
return rfc3339(dt)
except AttributeError as ae:
raise fields.MarshallingException(ae)
def format(self, dt):
try:
if not dt.tzinfo:
dt = dt.replace(tzinfo=tzlocal())
return six.text_type(dt.astimezone(tzutc()).isoformat())
except AttributeError as ae:
raise fields.MarshallingException(ae)
def format(self, dt):
try:
if isinstance(dt, date):
return six.text_type(dt.isoformat())
else:
return six.text_type(dt)
except AttributeError as ae:
raise fields.MarshallingException(ae)
def format(self, value):
try:
return time.mktime(value.timetuple())
except OverflowError:
# The `value` was generate by time zone UTC+0,
# but `time.mktime()` will generate timestamp by local time zone (eg. in China, was UTC+8).
# So, in some situation, we may got a timestamp that was negative.
# In Linux, there's no problem. But in windows, this will cause an `OverflowError`.
# Thinking of generally we don't need to handle a time so long before, at here we simply return 0.
return 0
except AttributeError as ae:
raise _fields.MarshallingException(ae)
def format(self, value):
try:
return float(value)
except ValueError as ve:
raise _fields.MarshallingException(ve)
def format(self, value):
try:
return value.isoformat()
except AttributeError as e:
raise fields.MarshallingException(e)