From d2860ab30d94a814d8bfc2d3f36f0ffba5f65d27 Mon Sep 17 00:00:00 2001
From: Zuzu-Typ <Zuzu.Typ@gmail.com>
Date: Thu, 19 Dec 2019 19:00:33 +0100
Subject: [PATCH] Fixed library loader

---
 pyogg/library_loader.py | 24 ++++++++++++------------
 pyogg/ogg.py            |  9 +++++----
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/pyogg/library_loader.py b/pyogg/library_loader.py
index 4217ad7..642c887 100644
--- a/pyogg/library_loader.py
+++ b/pyogg/library_loader.py
@@ -1,4 +1,5 @@
 import ctypes
+import ctypes.util
 import os
 import sys
 import platform
@@ -30,7 +31,7 @@ class ExternalLibraryError(Exception):
 
 class ExternalLibrary:
     @staticmethod
-    def load(name, paths = None, tests=[]):
+    def load(name, paths = None, tests = []):
         if name in _loaded_libraries:
             return _loaded_libraries[name]
         if sys.platform == "win32":
@@ -43,23 +44,23 @@ def load(name, paths = None, tests=[]):
             return lib
 
     @staticmethod
-    def load_other(name, paths = None, tests=[]):
+    def load_other(name, paths = None, tests = []):
         os.environ["PATH"] += ";" + ";".join((os.getcwd(), _here))
         if paths: os.environ["PATH"] += ";" + ";".join(paths)
 
         for style in _other_styles:
-            for name in (name.upper(), name.lower()):
-                candidate = style.format(name)
-                library = ctypes.util.find_library(candidate)
+            candidate = style.format(name)
+            library = ctypes.util.find_library(candidate)
+            if library:
                 try:
                     lib = ctypes.CDLL(library)
-                    if all(run_tests(lib,tests)):
+                    if tests and all(run_tests(lib, tests)):
                         return lib
                 except:
                     pass
 
     @staticmethod
-    def load_windows(name, paths = None, tests=[]):
+    def load_windows(name, paths = None, tests = []):
         os.environ["PATH"] += ";" + ";".join((os.getcwd(), _here))
         if paths: os.environ["PATH"] += ";" + ";".join(paths)
         
@@ -69,15 +70,14 @@ def load_windows(name, paths = None, tests=[]):
             library = ctypes.util.find_library(candidate)
             if library:
                 try:
-                    lib = ctypes.CDLL(candidate)
-                    if all(run_tests(lib,tests)):
+                    lib = ctypes.CDLL(library)
+                    if tests and all(run_tests(lib, tests)):
                         return lib
-                    else:
-                        not_supported.append(candidate)
+                    not_supported.append(library)
                 except WindowsError:
                     pass
                 except OSError:
-                    not_supported.append(candidate)
+                    not_supported.append(library)
             
 
         if not_supported:
diff --git a/pyogg/ogg.py b/pyogg/ogg.py
index 7264774..1dc14e4 100644
--- a/pyogg/ogg.py
+++ b/pyogg/ogg.py
@@ -49,6 +49,11 @@ def get_raw_libname(name):
     for x in "0123456789._- ":name=name.replace(x,"")
     return name
 
+if sys.version_info.major > 2:
+    to_char_p = lambda s: s.encode('utf-8')
+else:
+    to_char_p = lambda s: s
+
 __here = os.getcwd()
 
 libogg = None
@@ -66,10 +71,6 @@ def get_raw_libname(name):
     PYOGG_OGG_AVAIL = False
 
 if PYOGG_OGG_AVAIL:
-    if sys.version_info.major > 2:
-        to_char_p = lambda s: s.encode('utf-8')
-    else:
-        to_char_p = lambda s: s
 
     # ctypes
     c_ubyte_p = POINTER(c_ubyte)