[jira] [Created] (AVRO-1255) Python schema (message, protocol) to_json names argument should be optional

["Jeremy Kahn (JIRA)" <ji...@apache.org>]

Jeremy Kahn created AVRO-1255:
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             Summary: Python schema (message, protocol) to_json names argument should be optional
                 Key: AVRO-1255
                 URL: https://issues.apache.org/jira/browse/AVRO-1255
             Project: Avro
          Issue Type: Improvement
          Components: python
    Affects Versions: 1.7.3
            Reporter: Jeremy Kahn
            Priority: Minor


The {{avro.protocol.Protocol}}, {{avro.protocol.Message}}, and various classes in {{avro.schema}} all support a {{to_json}} method which renders the data in Python generics (easily renderable to json).

These methods all take a required {{names}} argument (of type {{avro.schema.Names}} which stores state representing what types have already been rendered.

For debugging -- and for other uses of the schema -- it is helpful if the {{names}} argument is optional.  When it is not provided, each method should construct an empty {{schema.Names}} object internally. {{to_json}} thus can be invoked without argument to get the relevant rendering of the current schema in isolation.

Patch to be attached.

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