Eclipse, jython : adding numpy module to jython

Question

i have a problem while installing numpy-1.6.1.It says NotImplementedError i use eclipse and jython for developing.

Command window:

C:\Program Files\jython2.5.3b3\bin\numpy-1.6.1>jython setup.py install

Running from numpy source directory.Traceback (most recent call last):

File "setup.py", line 196, in <module>
    setup_package()

  File "setup.py", line 173, in setup_package
    from numpy.distutils.core import setup

  File "C:\Program Files\jython2.5.3b3\bin\numpy-1.6.1\numpy\distutils\__init__.py", line 7, in <module>
    import ccompiler
  File "C:\Program Files\jython2.5.3b3\bin\numpy-1.6.1\numpy\distutils\ccompiler.py", line 15, in <module>
    from numpy.distutils.exec_command import exec_command

  File "C:\Program Files\jython2.5.3b3\bin\numpy-1.6.1\numpy\distutils\exec_command.py", line 585, in <module>
    raise NotImplementedError('exec_command tests for ', os.name)

NotImplementedError: ('exec_command tests for ', 'java')

Would you be so kind as to help me solving this problem? Thank you!

since numpy is a C-extension, I highly doubt that it'll run on Java's virtual machine via jython (but someone might prove me wrong ... I don't know much about java). There is significant effort to port (at least parts of it) to PyPy though ... — mgilson
– mgilson, Commented Mar 12, 2013 at 15:48

Community · Accepted Answer · 2020-06-20 09:12:55Z

3

Sadly, numpy isn't supported on Jython. From the FAQ:

Does NumPy/SciPy work with Jython?

No. Simply put, Jython runs on top of the Java Virtual Machine and has no way to interface with extensions written in C for the standard Python (CPython) interpreter.

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Mar 12, 2013 at 15:48

NPE

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