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

Public Member Functions

def __init__
 
def get_form_field
 
def get_value_for_form
 
def make_value_from_form
 
- Public Member Functions inherited from google.appengine.ext.db.UnindexedProperty
def __init__
 
def validate
 
- 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
 

Public Attributes

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

Additional Inherited Members

- Static Public Attributes inherited from google.appengine.ext.db.BlobProperty
 data_type = Blob
 
- Static Public Attributes inherited from google.appengine.ext.db.Property
int creation_counter = 0
 
 data_type = str
 

Member Function Documentation

def google.appengine.ext.db.djangoforms.BlobProperty.get_form_field (   self,
  kwargs 
)
Return a Django form field appropriate for a blob property.

This defaults to a forms.FileField instance when using Django 0.97
or later.  For 0.96 this returns None, as file uploads are not
really supported in that version.
def google.appengine.ext.db.djangoforms.BlobProperty.get_value_for_form (   self,
  instance 
)
Extract the property value from the instance for use in a form.

There is no way to convert a Blob into an initial value for a file
upload, so we always return None.
def google.appengine.ext.db.djangoforms.BlobProperty.make_value_from_form (   self,
  value 
)
Convert a form value to a property value.

This extracts the content from the UploadedFile instance returned
by the FileField instance.

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