I'm cythonizing an existing module with lots of doctests, which would be useful
in catching any errors or changes in behaviour that might result. However, I
have trouble running doctests in a cython-compiled module. The compiled module
offers the usual __doc__ strings (simple example follows below), yet python -m
fails with "No code object available". Is there a trick?
Thanks in advance for any help.
Best regards,
Jon Olav Vik
-bash-3.2$ cat cydoctest.pyx
def pyfun(x):
"""
>>> pyfun(3)
6
"""
return x * 2
-bash-3.2$ rm -rf *.pyc build *.so *.c && python setup.py build_ext --inplace
running build_ext
cythoning cydoctest.pyx to cydoctest.c
building 'cydoctest' extension
creating build
creating build/temp.linux-x86_64-2.5
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-
prototypes -fPIC -I/site/VERSIONS/compython-2.5/Linux/include/python2.5 -c
cydoctest.c -o build/temp.linux-x86_64-2.5/cydoctest.o
gcc -pthread -shared build/temp.linux-x86_64-2.5/cydoctest.o -L/site/VERSIONS/
compython-2.5/Linux/lib -lpython2.5 -o cydoctest.so
-bash-3.2$ python -c "import cydoctest; print cydoctest.pyfun.__doc__; print
cydoctest"
>>> pyfun(3)
6
<module 'cydoctest' from 'cydoctest.so'>
-bash-3.2$ python cydoctest.pyx -v
Trying:
pyfun(3)
Expecting:
6
ok
1 items had no tests:
__main__
1 items passed all tests:
1 tests in __main__.pyfun
1 tests in 2 items.
1 passed and 0 failed.
Test passed.
-bash-3.2$ python -m cydoctest
Traceback (most recent call last):
File "/site/VERSIONS/compython-2.5/Linux/lib/python2.5/runpy.py", line 90, in
run_module
raise ImportError("No code object available for " + mod_name)
ImportError: No code object available for cydoctest
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