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https://issues.apache.org/jira/browse/ARROW-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225040#comment-16225040
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ASF GitHub Bot commented on ARROW-1714:
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wesm commented on a change in pull request #1263: ARROW-1714: [Python] Fix
invalid serialization/deserialization None name Series
URL: https://github.com/apache/arrow/pull/1263#discussion_r147721200
##########
File path: python/pyarrow/pandas_compat.py
##########
@@ -450,6 +455,18 @@ def table_to_blockmanager(options, table, memory_pool,
nthreads=1):
index = pd.RangeIndex(row_count)
column_strings = [x.name for x in block_table.itercolumns()]
+ if 'columns_metadata' in locals() and columns_metadata is not None:
Review comment:
I'm not a fan of using `locals()` though I don't know exactly why. I'm going
to remove this and make `columns_metadata` always None even if there is no
pandas metadata
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> [Python] No named pd.Series name serialized as u'None'
> ------------------------------------------------------
>
> Key: ARROW-1714
> URL: https://issues.apache.org/jira/browse/ARROW-1714
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.7.1
> Reporter: Licht Takeuchi
> Assignee: Licht Takeuchi
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> Repro code.
> {code:java}
> import pandas as pd
> import pyarrow as pa
> s = pd.Series([1,2,3,4])
> serialized = pa.serialize(s).to_buffer()
> pa.deserialize(serialized).name
> {code}
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