GitHub user cclauss opened a pull request:
https://github.com/apache/spark/pull/20838
[SPARK-23698] Resolve undefined names in Python 3
## What changes were proposed in this pull request?
Fix issues arising from the fact that __file__, __long__, __raw_input()__,
__unicode__, __xrange()__, etc. were remove from Python 3. __Undefined names__
have the potential to raise NameError at runtime. Apply the Python porting
best practice: [Use feature detection instead of version
detection](https://docs.python.org/3/howto/pyporting.html#use-feature-detection-instead-of-version-detection).
## How was this patch tested?
* $ __python2 -m flake8 . --count --select=E9,F82 --show-source
--statistics__
* $ __python3 -m flake8 . --count --select=E9,F82 --show-source
--statistics__
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cclauss/spark fix-undefined-names
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20838.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20838
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commit bdcd740a5144efef0db1f2b6c29b64c85f3d8ef5
Author: cclauss <cclauss@...>
Date: 2018-03-15T23:08:04Z
[SPARK-23698] Reduce undefined names in Python 3
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