python类Blob()的实例源码

def get_value_for_datastore(self, model_instance):
        flow = super(FlowProperty, self).get_value_for_datastore(
            model_instance)
        return db.Blob(pickle.dumps(flow))

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        logger.info("get: Got type " + str(type(model_instance)))
        cred = super(CredentialsProperty, self).get_value_for_datastore(
            model_instance)
        if cred is None:
            cred = ''
        else:
            cred = cred.to_json()
        return db.Blob(cred)

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        flow = super(FlowProperty, self).get_value_for_datastore(
            model_instance)
        return db.Blob(pickle.dumps(flow))

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        logger.info("get: Got type " + str(type(model_instance)))
        cred = super(CredentialsProperty, self).get_value_for_datastore(
            model_instance)
        if cred is None:
            cred = ''
        else:
            cred = cred.to_json()
        return db.Blob(cred)

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
    flow = super(FlowProperty,
                 self).get_value_for_datastore(model_instance)
    return db.Blob(pickle.dumps(flow))

  # For reading from datastore.

def get_value_for_datastore(self, model_instance):
    logger.info("get: Got type " + str(type(model_instance)))
    cred = super(CredentialsProperty,
                 self).get_value_for_datastore(model_instance)
    if cred is None:
      cred = ''
    else:
      cred = cred.to_json()
    return db.Blob(cred)

  # For reading from datastore.

def 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.
    """
    return None

def 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.
    """
    if have_uploadedfile and isinstance(value, uploadedfile.UploadedFile):
      if not self.form_value:
        self.form_value = value.read()
      b = db.Blob(self.form_value)
      return b
    return super(BlobProperty, self).make_value_from_form(value)

def get_value_for_datastore(self, model_instance):
    flow = super(FlowProperty,
                 self).get_value_for_datastore(model_instance)
    return db.Blob(pickle.dumps(flow))

  # For reading from datastore.

def get_value_for_datastore(self, model_instance):
    logger.info("get: Got type " + str(type(model_instance)))
    cred = super(CredentialsProperty,
                 self).get_value_for_datastore(model_instance)
    if cred is None:
      cred = ''
    else:
      cred = cred.to_json()
    return db.Blob(cred)

  # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        flow = super(FlowProperty, self).get_value_for_datastore(
            model_instance)
        return db.Blob(pickle.dumps(flow))

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        logger.info("get: Got type " + str(type(model_instance)))
        cred = super(CredentialsProperty, self).get_value_for_datastore(
            model_instance)
        if cred is None:
            cred = ''
        else:
            cred = cred.to_json()
        return db.Blob(cred)

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        flow = super(FlowProperty, self).get_value_for_datastore(
            model_instance)
        return db.Blob(pickle.dumps(flow))

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        logger.info("get: Got type " + str(type(model_instance)))
        cred = super(CredentialsProperty, self).get_value_for_datastore(
            model_instance)
        if cred is None:
            cred = ''
        else:
            cred = cred.to_json()
        return db.Blob(cred)

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        flow = super(FlowProperty, self).get_value_for_datastore(
            model_instance)
        return db.Blob(pickle.dumps(flow))

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        logger.info("get: Got type " + str(type(model_instance)))
        cred = super(CredentialsProperty, self).get_value_for_datastore(
            model_instance)
        if cred is None:
            cred = ''
        else:
            cred = cred.to_json()
        return db.Blob(cred)

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
    flow = super(FlowProperty,
                 self).get_value_for_datastore(model_instance)
    return db.Blob(pickle.dumps(flow))

  # For reading from datastore.

def get_value_for_datastore(self, model_instance):
    logger.info("get: Got type " + str(type(model_instance)))
    cred = super(CredentialsProperty,
                 self).get_value_for_datastore(model_instance)
    if cred is None:
      cred = ''
    else:
      cred = cred.to_json()
    return db.Blob(cred)

  # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        flow = super(FlowProperty, self).get_value_for_datastore(
            model_instance)
        return db.Blob(pickle.dumps(flow))

    # For reading from datastore.

def get_value_for_datastore(self, model_instance):
        logger.info("get: Got type " + str(type(model_instance)))
        cred = super(CredentialsProperty, self).get_value_for_datastore(
            model_instance)
        if cred is None:
            cred = ''
        else:
            cred = cred.to_json()
        return db.Blob(cred)

    # For reading from datastore.