Fix Windows build

src/ctypes.pxd

@@ -7,9 +7,16 @@
 
 """This file contains the external C/C++ definitions used by taglib.pyx."""
 
+from libc.stddef cimport wchar_t
 from libcpp.list cimport list
 from libcpp.map cimport map
 from libcpp.string cimport string
+from cpython.mem cimport PyMem_Free
+from cpython.object cimport PyObject
+
+
+cdef extern from "Python.h":
+    cdef wchar_t *PyUnicode_AsWideCharString(PyObject *path, Py_ssize_t *size)
 
 
 cdef extern from 'taglib/tstring.h' namespace 'TagLib::String':
@@ -53,9 +60,6 @@ cdef extern from 'taglib/audioproperties.h' namespace 'TagLib::AudioProperties':
         Average = 1
         Accurate = 2
 
-cdef extern from 'taglib/tiostream.h' namespace 'TagLib':
-    ctypedef FileName
-
 cdef extern from 'taglib/tfile.h' namespace 'TagLib':
     cdef cppclass File:
         AudioProperties *audioProperties()
@@ -67,20 +71,33 @@ cdef extern from 'taglib/tfile.h' namespace 'TagLib':
         void removeUnsupportedProperties(StringList&)
 
 
+cdef extern from 'taglib/tiostream.h' namespace 'TagLib':
+    IF UNAME_SYSNAME != "Windows":
+        ctypedef char* FileName
+    ELSE:
+        cdef cppclass FileName:
+            FileName(const wchar_t*)
+
 cdef extern from 'taglib/fileref.h' namespace 'TagLib':
     cdef cppclass FileRef:
-        FileRef(const char*, boolean, ReadStyle) except +
+        FileRef(FileName, boolean, ReadStyle) except +
         File* file()
 
         AudioProperties *audioProperties()
         bint save() except +
         PropertyMap properties()
         PropertyMap setProperties(PropertyMap&)
         void removeUnsupportedProperties(StringList&)
+
 cdef inline FileRef* create_wrapper(unicode path) except +:
-    cdef FileName fn = path.encode('utf-8')
-    return new FileRef(fn,  True, ReadStyle.Average)
+    IF UNAME_SYSNAME != "Windows":
+        return new FileRef(path.encode('utf-8'), True, ReadStyle.Average)
+    ELSE:
+        cdef wchar_t *wchar_path = PyUnicode_AsWideCharString(<PyObject*>path, NULL)
+        cdef FileRef *file_ref = new FileRef(FileName(wchar_path), True, ReadStyle.Average)
+        PyMem_Free(wchar_path)
+        return file_ref
 
 cdef extern from 'taglib/taglib.h':
     int TAGLIB_MAJOR_VERSION
-    int TAGLIB_MINOR_VERSION
+    int TAGLIB_MINOR_VERSION

src/taglib.pyx

@@ -93,7 +93,7 @@ cdef class File:
 
     cdef void readProperties(self):
         """Convert the Taglib::PropertyMap of the wrapped Taglib::File object into a python dict.
-        
+
         This method is not accessible from Python, and is called only once, immediately after
         object creation.
         """
@@ -219,4 +219,4 @@ def taglib_version() -> tuple[int, int]:
     circumstances (e.g. dynamic linking, or re-using the cythonized code after
     upgrading Taglib) the actually running Taglib version might be different.
     """
-    return ctypes.TAGLIB_MAJOR_VERSION, ctypes.TAGLIB_MINOR_VERSION
+    return ctypes.TAGLIB_MAJOR_VERSION, ctypes.TAGLIB_MINOR_VERSION