Better search for Windows dlls

Author: nshmyrev

python/setup.py

@@ -44,15 +44,15 @@ def get_tag(self):
 
 setuptools.setup(
     name="vosk",
-    version="0.3.18",
+    version="0.3.21",
     author="Alpha Cephei Inc",
     author_email="[email protected]",
     description="Offline open source speech recognition API based on Kaldi and Vosk",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/alphacep/vosk-api",
     packages=setuptools.find_packages(),
-    package_data = {'vosk': ['*.so', '*.dll']},
+    package_data = {'vosk': ['*.so', '*.dll', '*.dyld']},
     include_package_data=True,
     classifiers=[
         'Programming Language :: Python :: 3',

python/vosk/__init__.py

@@ -4,13 +4,17 @@
 from .vosk_cffi import ffi as _ffi
 
 def open_dll():
+    dlldir = os.path.abspath(os.path.dirname(__file__))
     if sys.platform == 'win32':
-        os.environ["PATH"] += os.pathsep + os.path.dirname(__file__)
+        # We want to load dependencies too
+        os.environ["PATH"] = dlldir + os.pathsep + os.environ['PATH']
+        if hasattr(os, 'add_dll_directory'):
+            os.add_dll_directory(dlldir)
         return _ffi.dlopen("libvosk.dll")
     elif sys.platform == 'linux':
-        return _ffi.dlopen(os.path.dirname(__file__) + "/libvosk.so")
+        return _ffi.dlopen(os.path.join(dlldir, "libvosk.so"))
     elif sys.platform == 'darwin':
-        return _ffi.dlopen(os.path.dirname(__file__) + "/libvosk.dyld")
+        return _ffi.dlopen(os.path.join(dlldir, "libvosk.dyld"))
     else:
         raise TypeError("Unsupported platform")