Ship all dlls

MANIFEST.in

@@ -1,3 +1,4 @@
 include LICENSE
+graft win
 recursive-include doc *.py *.rst *.txt Makefile
 recursive-include tests *.py *.wav *.raw

pysoundfile.py

@@ -14,6 +14,8 @@
 import os as _os
 from cffi import FFI as _FFI
 from os import SEEK_SET, SEEK_CUR, SEEK_END
+from sys import platform as _platform
+from platform import architecture as _architecture
 
 _ffi = _FFI()
 _ffi.cdef("""
@@ -238,7 +240,16 @@
     _np.dtype('int16'): 'short'
 }
 
-_snd = _ffi.dlopen('sndfile')
+try:
+    _snd = _ffi.dlopen('sndfile')
+except OSError as e:
+    if _platform == 'win32':
+        try:
+            _snd = _ffi.dlopen('libsndfile-1')
+        except OSError:
+            _snd = _ffi.dlopen('sndfile' + _architecture()[0])
+    else:
+        raise e
 
 
 def read(file, frames=-1, start=0, stop=None, dtype='float64', always_2d=True,

setup.py

@@ -1,19 +1,6 @@
 #!/usr/bin/env python
-import sys
 from setuptools import setup
 from setuptools.command.test import test as TestCommand
-from sys import platform
-from platform import architecture
-import shutil
-
-if platform == 'win32' and architecture()[0] == '32bit':
-    shutil.copy2('win/sndfile32.dll', 'win/sndfile.dll')
-    sndfile = [('', ['win/sndfile.dll', 'win/sndfile_license'])]
-elif platform == 'win32' and architecture()[0] == '64bit':
-    shutil.copy2('win/sndfile64.dll', 'win/sndfile.dll')
-    sndfile = [('', ['win/sndfile.dll', 'win/sndfile_license'])]
-else:
-    sndfile = []
 
 
 class PyTest(TestCommand):
@@ -30,6 +17,7 @@ def finalize_options(self):
 
     def run_tests(self):
         # import here, cause outside the eggs aren't loaded
+        import sys
         import pytest
         errno = pytest.main(self.pytest_args)
         sys.exit(errno)
@@ -44,7 +32,13 @@ def run_tests(self):
     url='https://github.com/bastibe/PySoundFile',
     keywords=['audio', 'libsndfile'],
     py_modules=['pysoundfile'],
-    data_files=sndfile,
+    data_files=[
+        ('', [
+            'win/sndfile64bit.dll',
+            'win/sndfile32bit.dll',
+            'win/sndfile_license'
+        ])
+    ],
     license='BSD 3-Clause License',
     install_requires=['numpy',
                       'cffi>=0.6'],