![]() |
App Engine Python SDK
v1.6.9 rev.445
The Python runtime is available as an experimental Preview feature.
|
Public Member Functions | |
def | create_from_options |
def | __init__ |
def | generate_import_record |
def | initialize_export |
def | write_iterable_as_elements |
def | write_dict |
def | finalize_export |
![]() | |
def | generate_import_record |
def | initialize_export |
def | write_dict |
def | finalize_export |
Public Attributes | |
xpath_to_nodes | |
xml_style | |
output_stream | |
bulkload_state | |
depth | |
node_list | |
entity_node | |
indent | |
Static Public Attributes | |
int | ELEMENT_CENTRIC = 1 |
int | ATTRIBUTE_CENTRIC = 2 |
Read/write a simply-structured XML file and convert dicts for each record. A simply-structed XML file is one where we can locate all interesting nodes with a simple (ElementTree supported) xpath, and each node contains either all the info we care about as child (and not grandchild) nodes with text or as attributes. We'll also pass the entire node in case the developer wants to do something more interesting with it (occasional grandchildren, parents, etc.). This is of course a fairly expensive way to read XML--we build a DOM, then copy parts of it into a dict. A pull model would work well with the interface too.
def google.appengine.ext.bulkload.simplexml_connector.SimpleXmlConnector.__init__ | ( | self, | |
xpath_to_nodes, | |||
xml_style | |||
) |
Constructor. Args: xpath_to_nodes: xpath to the nodes to run over. xml_style: ELEMENT_CENTRIC or ATTRIBUTE_CENTRIC--we'll either convert the list of elements to a dict (last element of the same name will be used) or the list of attributes. Raises: InvalidConfiguration: If the config is invalid.
def google.appengine.ext.bulkload.simplexml_connector.SimpleXmlConnector.create_from_options | ( | cls, | |
options, | |||
name | |||
) |
Factory using an options dictionary. Args: options: Dictionary of options. Must contain: * xpath_to_nodes: The xpath to select a record. * style: 'element_centric' or 'attribute_centric' name: The name of this transformer, for use in error messages. Returns: XmlConnector connector object described by the specified options. Raises: InvalidConfiguration: If the config is invalid.
def google.appengine.ext.bulkload.simplexml_connector.SimpleXmlConnector.generate_import_record | ( | self, | |
filename, | |||
bulkload_state | |||
) |
Generator, yields dicts for nodes found as described in the options.
def google.appengine.ext.bulkload.simplexml_connector.SimpleXmlConnector.initialize_export | ( | self, | |
filename, | |||
bulkload_state | |||
) |
Initialize the output file.
def google.appengine.ext.bulkload.simplexml_connector.SimpleXmlConnector.write_dict | ( | self, | |
dictionary | |||
) |
Write one record for the specified entity.
def google.appengine.ext.bulkload.simplexml_connector.SimpleXmlConnector.write_iterable_as_elements | ( | self, | |
values | |||
) |
Write a dict as elements, possibly recursively.