def movedll(self):
"""Try to find the resulting dll file and to move it into the
`cythons` package.
Things to be aware of:
* The file extension either `pyd` (Window) or `so` (Linux).
* The folder containing the dll file is system dependend, but is
always a subfolder of the `cythons` package.
* Under Linux, the filename might contain system information, e.g.
...cpython-36m-x86_64-linux-gnu.so.
"""
dirinfos = os.walk(self.buildpath)
next(dirinfos)
system_dependend_filename = None
for dirinfo in dirinfos:
for filename in dirinfo[2]:
if (filename.startswith(self.cyname) and
filename.endswith(dllextension)):
system_dependend_filename = filename
break
if system_dependend_filename:
try:
shutil.move(os.path.join(dirinfo[0],
system_dependend_filename),
os.path.join(self.cydirpath,
self.cyname+dllextension))
break
except BaseException:
prefix = ('After trying to cythonize module %s, when '
'trying to move the final cython module %s '
'from directory %s to directory %s'
% (self.pyname, system_dependend_filename,
self.buildpath, self.cydirpath))
suffix = ('A likely error cause is that the cython module '
'%s does already exist in this directory and is '
'currently blocked by another Python process. '
'Maybe it helps to close all Python processes '
'and restart the cyhonization afterwards.'
% self.cyname+dllextension)
objecttools.augmentexcmessage(prefix, suffix)
else:
raise IOError('After trying to cythonize module %s, the resulting '
'file %s could neither be found in directory %s nor '
'its subdirectories. The distul report should tell '
'whether the file has been stored somewhere else,'
'is named somehow else, or could not be build at '
'all.' % self.buildpath)
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