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google.appengine.ext.bulkload.simpletext_connector module
Summary
Bulkloader Simple Text writing.
Handle the simpletext format specified in a bulkloader.yaml file.
Contents
- class google.appengine.ext.bulkload.simpletext_connector.SimpleTextConnector(template, prolog=None, epilog=None, mode='text', name='')source
Bases: google.appengine.ext.bulkload.connector_interface.ConnectorInterface
Write a text file from dicts for each record. Does not support import.
- VALID_MODES = ('text', 'nonewline', 'binary')
- classmethod create_from_options(options, name)source
Factory using an options dictionary.
Parametersoptions –
Dictionary of options containing: template: A Python dict-interpolation string. Required. prolog: written before the per-record output. epilog: written after the per-record output. mode: one of the following, default is ‘text’
text: text file mode, newlines between records. nonewline: text file mode, no added newlines. binary: binary file mode, no added newlines.
name – The name of this transformer, for use in error messages.
ReturnsSimpleTextConnector object described by the specified options.
RaisesInvalidConfiguration – If the config is invalid.
- finalize_export()source
Write epliog and close file after every record is written.
- initialize_export(filename, bulkload_state)source
Open file and write prolog.
- write_dict(dictionary)source
Write one record for the specified entity.
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Last updated 2023-04-04 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-04-04 UTC."],[[["The `SimpleTextConnector` class handles writing data in a simple text format as defined in a `bulkloader.yaml` file, specifically for export operations, not import."],["It supports three modes of operation: 'text' with newlines between records, 'nonewline' without added newlines, and 'binary' for binary file writing without added newlines."],["Configuration for `SimpleTextConnector` is done through an options dictionary that can specify the template for dict interpolation, and prolog and epilog content to be written before and after record data."],["The class provides methods for initializing the export by opening a file and writing the prolog, finalizing the export by writing the epilog and closing the file, and writing individual records from a dictionary."]]],[]]
