In Clawpack, we use numpy.distutils to handle compilation and wrapping of
Fortran source files via f2py. This generates a huge amount of output
(warnings generated by f2py in intermediate steps) that (it seems) can
safely be ignored. However, it's problematic to have pages of warnings fly
by whenever a user installs the package. I would like to redirect this
output to a log file.
I have tried adding
sys.stdout = open('install.log', 'w')
in the setup.py file. This redirects some of the output, but not all of
it. Below I've pasted an example of output that still prints to the
terminal. How can I force all of this output to go into a log file and not
be printed to the screen?
An example setup.py file is here:
https://github.com/clawpack/pyclaw/blob/master/src/pyclaw/setup.py
Some example output that I can't redirect is here:
In file included from
> build/src.macosx-10.5-x86_64-2.7/clawpack/riemann/euler_4wave_2Dmodule.c:18:
>
> In file included from
> build/src.macosx-10.5-x86_64-2.7/fortranobject.h:13:
>
> In file included from
> /Users/ketch/anaconda/lib/python2.7/site-packages/numpy/core/include/numpy/arrayobject.h:15:
>
> In file included from
> /Users/ketch/anaconda/lib/python2.7/site-packages/numpy/core/include/numpy/ndarrayobject.h:17:
>
> In file included from
> /Users/ketch/anaconda/lib/python2.7/site-packages/numpy/core/include/numpy/ndarraytypes.h:1728:
>
>
> /Users/ketch/anaconda/lib/python2.7/site-packages/numpy/core/include/numpy/npy_deprecated_api.h:11:2:
> warning: "Using deprecated NumPy API, disable it by #defining
> NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-W#warnings]
>
> #warning "Using deprecated NumPy API, disable it by #defining
> NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION"
>
> ^
>
>
> build/src.macosx-10.5-x86_64-2.7/clawpack/riemann/euler_4wave_2Dmodule.c:111:12:
> warning: unused function 'f2py_size' [-Wunused-function]
>
> static int f2py_size(PyArrayObject* var, ...)
>
> ^
>
> 2 warnings generated.
>
> clawpack/riemann/src/rpn2_euler_4wave.f90:2.59:
>
>
>
> subroutine
> rpn2(ixy,maxm,meqn,mwaves,maux,mbc,mx,ql,qr,auxl,auxr,wave,s,amdq,ap
>
> 1
>
> Warning: Unused dummy argument 'auxl' at (1)
>
> clawpack/riemann/src/rpn2_euler_4wave.f90:2.64:
>
>
>
> subroutine
> rpn2(ixy,maxm,meqn,mwaves,maux,mbc,mx,ql,qr,auxl,auxr,wave,s,amdq,ap
>
> 1
> Warning: Unused dummy argument 'auxr' at (1)
>
There is a LOT more of it, of course.
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