added make_torrent.py example and polished the python binding for creating torrents

bindings/python/make_torrent.py

@@ -0,0 +1,27 @@
+#!/bin/python
+
+import sys
+import os
+import libtorrent
+
+if len(sys.argv) < 3:
+	print 'usage make_torrent.py file tracker-url'
+	sys.exit(1)
+
+input = os.path.abspath(sys.argv[1])
+
+fs = libtorrent.file_storage()
+libtorrent.add_files(fs, input)
+if fs.num_files() == 0:
+	print 'no files added'
+	sys.exit(1)
+
+t = libtorrent.create_torrent(fs, 0, 4 * 1024 * 1024)
+
+t.add_tracker(sys.argv[2])
+t.set_creator('libtorrent %s' % libtorrent.version)
+
+libtorrent.set_piece_hashes(t, os.path.split(input)[0], lambda x: sys.stderr.write('.'))
+sys.stderr.write('\n')
+
+print libtorrent.bencode(t.generate())

bindings/python/src/create_torrent.cpp

@@ -103,7 +103,8 @@ void bind_create_torrent()
 
     class_<create_torrent>("create_torrent", no_init)
         .def(init<file_storage&>())
-        .def(init<file_storage&, int>())
+        .def(init<file_storage&, int, int, int>((arg("storage"), arg("piece_size") = 0
+            , arg("pad_file_limit") = -1, arg("flags") = int(libtorrent::create_torrent::optimize))))
 
         .def("generate", &create_torrent::generate)
 
@@ -113,7 +114,7 @@ void bind_create_torrent()
         .def("set_hash", &set_hash)
         .def("add_url_seed", &create_torrent::add_url_seed)
         .def("add_node", &add_node)
-        .def("add_tracker", &create_torrent::add_tracker)
+        .def("add_tracker", &create_torrent::add_tracker, (arg("announce_url"), arg("tier") = 0))
         .def("set_priv", &create_torrent::set_priv)
         .def("num_pieces", &create_torrent::num_pieces)
         .def("piece_length", &create_torrent::piece_length)
@@ -121,6 +122,13 @@ void bind_create_torrent()
         .def("priv", &create_torrent::priv)
         ;
 
+    enum_<create_torrent::flags_t>("create_torrent_flags_t")
+        .value("optimize", create_torrent::optimize)
+        .value("merkle", create_torrent::merkle)
+        .value("modification_time", create_torrent::modification_time)
+        .value("symlinks", create_torrent::symlinks)
+    ;
+
     def("add_files", add_files0, (arg("fs"), arg("path"), arg("flags") = 0));
     def("set_piece_hashes", set_piece_hashes0);
     def("set_piece_hashes", set_piece_hashes_callback);

include/libtorrent/create_torrent.hpp

@@ -65,7 +65,8 @@ namespace libtorrent
 
 	struct TORRENT_EXPORT create_torrent
 	{
-		enum {
+		enum flags_t
+		{
 			optimize = 1
 			, merkle = 2
 			, modification_time = 4