Feat: Calculate info-hash

diff --git a/torrent-info-hash b/torrent-info-hash
new file mode 100755 (executable)
index 0000000..92e628b
--- /dev/null
+++ b/torrent-info-hash
@@ -0,0 +1,17 @@
+#! /usr/bin/env python3
+
+import sys
+from hashlib import sha1
+
+from bencoder import encode
+from eff_bdecode import eff_bdecode
+
+torrent_file = open(sys.argv[1], 'rb')
+data = torrent_file.read()
+torrent_file.close()
+
+data = eff_bdecode(data)
+info = data[b'info']
+
+encoded_info = encode(info)
+print(sha1(encoded_info).hexdigest())