def from_json(self, request_data):
"""
Update entity with new data from json.
check for data to transform, if needed, perform operations and assign values to respective properties in entity.
:param request_data:
:return:
"""
for property, value in request_data.iteritems():
prop_type = self._properties.get(property)
if prop_type:
prop_value = value
if isinstance(prop_type, (ndb.DateProperty, ndb.DateTimeProperty, ndb.TimeProperty)):
prop_value = utils.date_from_str(prop_type, prop_value)
elif isinstance(prop_type, ndb.KeyProperty):
prop_value = ndb.Key(urlsafe=prop_value)
setattr(self, property, prop_value)
python类DateTimeProperty()的实例源码
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def _get_for_dict(self, entity):
value = super(DateTimeProperty, self)._get_for_dict(entity)
if not value:
return None
return value.isoformat()
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def date_from_str(prop_type, str_date):
if isinstance(prop_type, ndb.DateProperty):
return main_datetime.datetime.strptime(str_date, DATE_FORMAT)
elif isinstance(prop_type, ndb.DateTimeProperty):
return main_datetime.datetime.strptime(str_date, DATE_TIME_FORMAT)
else:
return main_datetime.datetime.strptime(str_date, TIME_FORMAT)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
kwargs.setdefault('format', '%Y-%m-%d %H:%M:%S')
return f.DateTimeField(**kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def testDateTimeProperty_shouldConvertToString(self):
self.__assert_conversion(ndb.DateTimeProperty, DateTime)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def __init__(self, model_type, ancestor_type=None, keep_history=True):
self.model_type = model_type
self.ancestor_type = ancestor_type
self.model_name = model_type.__name__
self.keep_history = keep_history
if self.keep_history:
history_props = {
'date': ndb.DateTimeProperty(auto_now_add=True),
'obj': ndb.StructuredProperty(model_type, repeated=False),
'client_id': ndb.StringProperty(),
}
self.history_model = type(
self.model_name + 'History', (ndb.Model,), history_props)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
def convert_DateTimeProperty(self, model, prop, kwargs):
"""Returns a form field for a ``ndb.DateTimeProperty``."""
if prop._auto_now or prop._auto_now_add:
return None
return f.DateTimeField(format='%Y-%m-%d %H:%M:%S', **kwargs)
