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https://issues.apache.org/jira/browse/AVRO-1741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthew Hayes updated AVRO-1741:
--------------------------------
Assignee: Matthew Hayes
Status: Patch Available (was: Open)
> Python 3 code should check if avro.codec is None before decoding
> ----------------------------------------------------------------
>
> Key: AVRO-1741
> URL: https://issues.apache.org/jira/browse/AVRO-1741
> Project: Avro
> Issue Type: Bug
> Reporter: Matthew Hayes
> Assignee: Matthew Hayes
> Fix For: 1.7.7
>
> Attachments: AVRO-1741.diff
>
>
> I'm getting the error below when trying to read an Avro file in Python 3.
> FWIW, I generated this Avro file from Pig. I don't know if that makes a
> difference.
> {code}
> avro.datafile.DataFileReader(open("test.avro","rb"),avro.io.DatumReader())
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File
> "/Users/mhayes/.pyenv/versions/3.4.2/lib/python3.4/site-packages/avro/datafile.py",
> line 352, in __init__
> self.codec = self.GetMeta('avro.codec').decode('utf-8')
> AttributeError: 'NoneType' object has no attribute 'decode'
> {code}
> It appears the problem is in the following code. It should check if GetMeta
> returns None before trying to decode it. The Python 2 code doesn't have this
> problem because it is already decoded.
> {code}
> # ensure codec is valid
> self.codec = self.GetMeta('avro.codec').decode('utf-8')
> if self.codec is None:
> self.codec = "null"
> if self.codec not in VALID_CODECS:
> raise DataFileException('Unknown codec: %s.' % self.codec)
> {code}
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