[jira] [Commented] (SPARK-22376) run-tests.py fails at exec-sbt if run with Python 3
[
https://issues.apache.org/jira/browse/SPARK-22376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16240072#comment-16240072
]
Apache Spark commented on SPARK-22376:
--
User 'HyukjinKwon' has created a pull request for this issue:
https://github.com/apache/spark/pull/19665
> run-tests.py fails at exec-sbt if run with Python 3
> ---
>
> Key: SPARK-22376
> URL: https://issues.apache.org/jira/browse/SPARK-22376
> Project: Spark
> Issue Type: Bug
> Components: Tests
>Affects Versions: 2.3.0
> Environment: OSX 10.12.6 Python 3.6.0 Anaconda 4.4
>Reporter: Joel Croteau
>Priority: Minor
>
> Running ./dev/run-tests with python3 as the default gives this error at the
> Building Spark stage:
> {noformat}
>
> Building Spark
>
> [info] Building Spark (w/Hive 1.2.1) using SBT with these arguments:
> -Phadoop-2.6 -Phive-thriftserver -Phive -Pkafka-0-8 -Pflume -Pyarn -Pmesos
> -Pkinesis-asl test:package streaming-kafka-0-8-assembly/assembly
> streaming-flume-assembly/assembly streaming-kinesis-asl-assembly/assembly
> Traceback (most recent call last):
> File "./dev/run-tests.py", line 622, in
> main()
> File "./dev/run-tests.py", line 593, in main
> build_apache_spark(build_tool, hadoop_version)
> File "./dev/run-tests.py", line 391, in build_apache_spark
> build_spark_sbt(hadoop_version)
> File "./dev/run-tests.py", line 344, in build_spark_sbt
> exec_sbt(profiles_and_goals)
> File "./dev/run-tests.py", line 293, in exec_sbt
> if not sbt_output_filter.match(line):
> TypeError: cannot use a string pattern on a bytes-like object
> {noformat}
> This is because in Python 3, the stdout member of a POpen object defaults to
> returning a byte stream, and exec_sbt tries to read it as a text screen. This
> can be fixed by specifying universal_newlines=True when creating the POpen
> object. I notice that the hashbang at the start of run-tests.py says to run
> with python2, so I am not sure how much of the rest of it is Python 3
> compatible, but this is the first error I've run into. It ran with python 3
> because run-tests runs run-tests.py using the default Python, which on my
> system is Python 3. Not sure whether the better solution here is to try and
> fix Python 3 compatibility in run-tests.py or set run-tests to use Python 2.
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[jira] [Commented] (SPARK-22376) run-tests.py fails at exec-sbt if run with Python 3
[
https://issues.apache.org/jira/browse/SPARK-22376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16223355#comment-16223355
]
Sean Owen commented on SPARK-22376:
---
If the change is still compatible with Python 2, yes go ahead.
> run-tests.py fails at exec-sbt if run with Python 3
> ---
>
> Key: SPARK-22376
> URL: https://issues.apache.org/jira/browse/SPARK-22376
> Project: Spark
> Issue Type: Bug
> Components: Tests
>Affects Versions: 2.3.0
> Environment: OSX 10.12.6 Python 3.6.0 Anaconda 4.4
>Reporter: Joel Croteau
>Priority: Minor
>
> Running ./dev/run-tests with python3 as the default gives this error at the
> Building Spark stage:
> {noformat}
>
> Building Spark
>
> [info] Building Spark (w/Hive 1.2.1) using SBT with these arguments:
> -Phadoop-2.6 -Phive-thriftserver -Phive -Pkafka-0-8 -Pflume -Pyarn -Pmesos
> -Pkinesis-asl test:package streaming-kafka-0-8-assembly/assembly
> streaming-flume-assembly/assembly streaming-kinesis-asl-assembly/assembly
> Traceback (most recent call last):
> File "./dev/run-tests.py", line 622, in
> main()
> File "./dev/run-tests.py", line 593, in main
> build_apache_spark(build_tool, hadoop_version)
> File "./dev/run-tests.py", line 391, in build_apache_spark
> build_spark_sbt(hadoop_version)
> File "./dev/run-tests.py", line 344, in build_spark_sbt
> exec_sbt(profiles_and_goals)
> File "./dev/run-tests.py", line 293, in exec_sbt
> if not sbt_output_filter.match(line):
> TypeError: cannot use a string pattern on a bytes-like object
> {noformat}
> This is because in Python 3, the stdout member of a POpen object defaults to
> returning a byte stream, and exec_sbt tries to read it as a text screen. This
> can be fixed by specifying universal_newlines=True when creating the POpen
> object. I notice that the hashbang at the start of run-tests.py says to run
> with python2, so I am not sure how much of the rest of it is Python 3
> compatible, but this is the first error I've run into. It ran with python 3
> because run-tests runs run-tests.py using the default Python, which on my
> system is Python 3. Not sure whether the better solution here is to try and
> fix Python 3 compatibility in run-tests.py or set run-tests to use Python 2.
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