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https://issues.apache.org/jira/browse/ARROW-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16372054#comment-16372054
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ASF GitHub Bot commented on ARROW-2131:
---------------------------------------
wesm opened a new pull request #1640: ARROW-2131: [Python] Prepend module path
to PYTHONPATH when spawning subprocess
URL: https://github.com/apache/arrow/pull/1640
This enables this test to pass in an in-place build without running
`setup.py develop`
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> [Python] Serialization test fails on Windows when library has been built in
> place / not installed
> -------------------------------------------------------------------------------------------------
>
> Key: ARROW-2131
> URL: https://issues.apache.org/jira/browse/ARROW-2131
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> I am not sure why this doesn't come up in Appveyor:
> {code}
> ================================== FAILURES
> ===================================
> ________________ test_deserialize_buffer_in_different_process
> _________________
> def test_deserialize_buffer_in_different_process():
> import tempfile
> import subprocess
> f = tempfile.NamedTemporaryFile(delete=False)
> b = pa.serialize(pa.frombuffer(b'hello')).to_buffer()
> f.write(b.to_pybytes())
> f.close()
> dir_path = os.path.dirname(os.path.realpath(__file__))
> python_file = os.path.join(dir_path, 'deserialize_buffer.py')
> > subprocess.check_call([sys.executable, python_file, f.name])
> pyarrow\tests\test_serialization.py:596:
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> _
> popenargs = (['C:\\Miniconda3\\envs\\pyarrow-dev\\python.exe',
> 'C:\\Users\\wesm\\code\\arrow\\python\\pyarrow\\tests\\deserialize_buffer.py',
> 'C:\\Users\\wesm\\AppData\\Local\\Temp\\tmp1gi__att'],)
> kwargs = {}, retcode = 1
> cmd = ['C:\\Miniconda3\\envs\\pyarrow-dev\\python.exe',
> 'C:\\Users\\wesm\\code\\arrow\\python\\pyarrow\\tests\\deserialize_buffer.py',
> 'C:\\Users\\wesm\\AppData\\Local\\Temp\\tmp1gi__att']
> def check_call(*popenargs, **kwargs):
> """Run command with arguments. Wait for command to complete. If
> the exit code was zero then return, otherwise raise
> CalledProcessError. The CalledProcessError object will have the
> return code in the returncode attribute.
> The arguments are the same as for the call function. Example:
> check_call(["ls", "-l"])
> """
> retcode = call(*popenargs, **kwargs)
> if retcode:
> cmd = kwargs.get("args")
> if cmd is None:
> cmd = popenargs[0]
> > raise CalledProcessError(retcode, cmd)
> E subprocess.CalledProcessError: Command
> '['C:\\Miniconda3\\envs\\pyarrow-dev\\python.exe',
> 'C:\\Users\\wesm\\code\\arrow\\python\\pyarrow\\tests\\deserialize_buffer.py',
> 'C:\\Users\\wesm\\AppData\\Local\\Temp\\tmp1gi__att']' returned non-zero
> exit status 1.
> C:\Miniconda3\envs\pyarrow-dev\lib\subprocess.py:291: CalledProcessError
> ---------------------------- Captured stderr call
> -----------------------------
> Traceback (most recent call last):
> File "C:\Users\wesm\code\arrow\python\pyarrow\tests\deserialize_buffer.py",
> line 22, in <module>
> import pyarrow as pa
> ModuleNotFoundError: No module named 'pyarrow'
> =============== 1 failed, 15 passed, 4 skipped in 0.40 seconds
> ================
> {code}
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