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https://issues.apache.org/jira/browse/BEAM-1546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ahmet Altay updated BEAM-1546:
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Fix Version/s: First stable release
> Specify exact version for Python in the SDK
> -------------------------------------------
>
> Key: BEAM-1546
> URL: https://issues.apache.org/jira/browse/BEAM-1546
> Project: Beam
> Issue Type: Bug
> Components: sdk-py
> Affects Versions: 0.6.0
> Reporter: Tibor Kiss
> Assignee: Ahmet Altay
> Priority: Trivial
> Fix For: First stable release
>
>
> Python SDK currently supports Python2.7 only.
> There are two shortcomings with the version check/enforcement:
> 1) apache_beam package's init uses named component attribute
> (sys.version_info.*major*) to bail if unsupported Python is used.
> The named component based version was introduced in Python 2.7 thus
> if one uses older Python version (e.g. 2.6) an AttributeError will be thrown:
> {noformat}
> Traceback (most recent call last):
> File "apache_beam/examples/complete/autocomplete_test.py", line 22, in
> <module>
> import apache_beam as beam
> File "/Users/tiborkiss/workspace/beam/sdks/python/apache_beam/__init__.py",
> line 69, in <module>
> if sys.version_info.major != 2:
> AttributeError: 'tuple' object has no attribute 'major'
> {noformat}
> To fix this problem the {{sys.version_info.major}} should be replaced by
> {{sys.version_info[0]}}.
> 2) The Python interpreter & pip definition in pom.xml defines that
> {{python2}} & {{pip2}} should be used. Users with multiple Python
> interpreters installed might end up having python2 and pip2 pointing to their
> 2.6 installation. Calling out {{python2.7}} and {{pip2.7}} explicitly would
> help to resolve this problem.
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