Deluge will now use a system libtorrent library if available.

deluge/core/autoadd.py

@@ -33,7 +33,10 @@
 
 import os
 
-import deluge.libtorrent as lt
+try:
+    import libtorrent as lt
+except ImportError:
+    import deluge.libtorrent as lt
 import deluge.component as component
 from deluge.configmanager import ConfigManager
 from deluge.log import LOG as log

deluge/core/core.py

@@ -46,7 +46,10 @@ import gobject
 import threading
 import socket
 
-import deluge.libtorrent as lt
+try:
+    import libtorrent as lt
+except ImportError:
+    import deluge.libtorrent as lt
 import deluge.configmanager
 import deluge.common
 import deluge.component as component

deluge/core/oldstateupgrader.py

@@ -37,7 +37,10 @@ import pickle
 import cPickle
 import shutil
 
-import deluge.libtorrent as lt
+try:
+    import libtorrent as lt
+except ImportError:
+    import deluge.libtorrent as lt
 from deluge.configmanager import ConfigManager
 import deluge.core.torrentmanager
 from deluge.log import LOG as log

deluge/core/preferencesmanager.py

@@ -35,7 +35,10 @@ import os.path
 import threading
 import gobject
 
-import deluge.libtorrent as lt
+try:
+    import libtorrent as lt
+except ImportError:
+    import deluge.libtorrent as lt
 import deluge.configmanager
 import deluge.common
 import deluge.component as component

deluge/core/torrent.py

@@ -36,7 +36,10 @@
 import os
 from urlparse import urlparse
 
-import deluge.libtorrent as lt
+try:
+    import libtorrent as lt
+except ImportError:
+    import deluge.libtorrent as lt
 import deluge.common
 import deluge.component as component
 from deluge.configmanager import ConfigManager

deluge/core/torrentmanager.py

@@ -40,7 +40,10 @@ import time
 
 import gobject
 
-import deluge.libtorrent as lt
+try:
+    import libtorrent as lt
+except ImportError:
+    import deluge.libtorrent as lt
 
 import deluge.common
 import deluge.component as component

setup.py

@@ -188,14 +188,19 @@ for source in _sources:
             _sources.remove(source)
             break
 
-libtorrent = Extension(
-    'libtorrent',
-    extra_compile_args = _extra_compile_args,
-    include_dirs = _include_dirs,
-    libraries = _libraries,
-    library_dirs = _library_dirs,
-    sources = _sources
-)
+_ext_modules = []
+if not os.path.exists(os.path.join(sysconfig.get_config_var("LIBDIR"), "libtorrent-rasterbar.so.1")):
+    # There isn't a system libtorrent library, so let's build the one included with deluge
+    libtorrent = Extension(
+        'libtorrent',
+        extra_compile_args = _extra_compile_args,
+        include_dirs = _include_dirs,
+        libraries = _libraries,
+        library_dirs = _library_dirs,
+        sources = _sources
+    )
+    
+    _ext_modules = [libtorrent]
 
 class build_trans(cmd.Command):
     description = 'Compile .po files into .mo files'
@@ -298,7 +303,7 @@ setup(
             deluged = deluge.main:start_daemon
     """,
     ext_package = "deluge",
-    ext_modules = [libtorrent],
+    ext_modules = _ext_modules,
     fullname = "Deluge Bittorent Client",
     include_package_data = True,
     license = "GPLv3",