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https://issues.apache.org/jira/browse/AVRO-3104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17349259#comment-17349259
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ASF subversion and git services commented on AVRO-3104:
-------------------------------------------------------
Commit 72a0fef3e9247bd94621288fb2e6d88408e3c836 in avro's branch
refs/heads/master from Michael A. Smith
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=72a0fef ]
AVRO-3104 Allow Comparing Schemas to non-Schemas (#1221)
Avro no longer crashes with an `AttributeError` when you test if a schema is
equal to an object that is not a schema, as in `some_schema == not_a_schema`.
The result is always `False`.
> avro-python __eq__ method of PrimitiveSchema, EnumSchema and FixedSchema
> throws exception
> -----------------------------------------------------------------------------------------
>
> Key: AVRO-3104
> URL: https://issues.apache.org/jira/browse/AVRO-3104
> Project: Apache Avro
> Issue Type: Bug
> Components: python
> Affects Versions: 1.10.2
> Reporter: Thomas Larsson
> Priority: Minor
> Attachments: AVRO-3104.patch
>
>
> The __eq__ method of the
> [PrimitiveSchema|https://github.com/apache/avro/blob/master/lang/py3/avro/schema.py#L629],
> EnumSchema and FixedSchema assume that the compared object has an attribute
> called "props" which makes a statement like this (for example) throw an
> exception:
> {code:python}
> o = PrimitiveSchema(...)
> if o == "null":
> print("Not same")
> {code}
>
> The exception message looks like:
> {code:bash}
> AttributeError: 'str' object has no attribute 'props'
> {code}
> A more robust equals method would start by ensuring type equality before
> doing other comparisons. Alternatively (though less pretty) the way the other
> Schema types implement it could be used, for example
> [ArraySchema|https://github.com/apache/avro/blob/master/lang/py3/avro/schema.py#L772]
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