App Engine Python SDK  v1.6.9 rev.445
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Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
google.appengine.ext.db.DateProperty Class Reference
Inheritance diagram for google.appengine.ext.db.DateProperty:
google.appengine.ext.db.DateTimeProperty google.appengine.ext.db.Property google.appengine.ext.db.djangoforms.DateProperty

Public Member Functions

def validate
 
def get_updated_value_for_datastore
 
def get_value_for_datastore
 
def make_value_from_datastore
 
- Public Member Functions inherited from google.appengine.ext.db.DateTimeProperty
def __init__
 
def validate
 
def default_value
 
def get_updated_value_for_datastore
 
- Public Member Functions inherited from google.appengine.ext.db.Property
def __init__
 
def __property_config__
 
def __get__
 
def __set__
 
def default_value
 
def validate
 
def empty
 
def get_value_for_datastore
 
def get_updated_value_for_datastore
 
def make_value_from_datastore_index_value
 
def make_value_from_datastore
 
def datastore_type
 

Static Public Member Functions

def now
 
- Static Public Member Functions inherited from google.appengine.ext.db.DateTimeProperty
def now
 

Static Public Attributes

 data_type = datetime.date
 
- Static Public Attributes inherited from google.appengine.ext.db.DateTimeProperty
 data_type = datetime.datetime
 
- Static Public Attributes inherited from google.appengine.ext.db.Property
int creation_counter = 0
 
 data_type = str
 

Additional Inherited Members

- Public Attributes inherited from google.appengine.ext.db.DateTimeProperty
 auto_now
 
 auto_now_add
 
- Public Attributes inherited from google.appengine.ext.db.Property
 verbose_name
 
 name
 
 default
 
 required
 
 validator
 
 choices
 
 indexed
 
 creation_counter
 
 model_class
 

Detailed Description

A date property, which stores a date without a time.

Member Function Documentation

def google.appengine.ext.db.DateProperty.get_updated_value_for_datastore (   self,
  model_instance 
)
Get new value for property to send to datastore.

Returns:
  now() as appropriate to the date instance in the odd case where
  auto_now is set to True, else AUTO_UPDATE_UNCHANGED.
def google.appengine.ext.db.DateProperty.get_value_for_datastore (   self,
  model_instance 
)
Get value from property to send to datastore.

We retrieve a datetime.date from the model instance and return a
datetime.datetime instance with the time set to zero.

See base class method documentation for details.
def google.appengine.ext.db.DateProperty.make_value_from_datastore (   self,
  value 
)
Native representation of this property.

We receive a datetime.datetime retrieved from the entity and return
a datetime.date instance representing its date portion.

See base class method documentation for details.
def google.appengine.ext.db.DateProperty.now ( )
static
Get now as a date datetime value.

Returns:
  'date' part of 'now' only.
def google.appengine.ext.db.DateProperty.validate (   self,
  value 
)
Validate date.

Returns:
  A valid value.

Raises:
  BadValueError if property is not instance of 'date',
  or if it is an instance of 'datetime' (which is a subclass
  of 'date', but for all practical purposes a different type).

The documentation for this class was generated from the following file: