1 files changed, 75 insertions, 0 deletions
diff --git a/net-p2p/bittorrent/files/bittorrent-4.4.0-bencode-float.patch b/net-p2p/bittorrent/files/bittorrent-4.4.0-bencode-float.patch
new file mode 100644
index 000000000000..c14a7b668c25
--- /dev/null
+++ b/net-p2p/bittorrent/files/bittorrent-4.4.0-bencode-float.patch
@@ -0,0 +1,75 @@
+Add bencode support for floating point values.
+
+https://bugzilla.redhat.com/451496
+
+--- a/BitTorrent/bencode.py
++++ b/BitTorrent/bencode.py
+@@ -14,6 +14,8 @@ from BitTorrent.obsoletepythonsupport import *
+ 
+ from BitTorrent import BTFailure
+ 
++import string
++
+ def decode_int(x, f):
+     f += 1
+     newf = x.index('e', f)
+@@ -25,6 +27,23 @@ def decode_int(x, f):
+         raise ValueError
+     return (n, newf+1)
+ 
++def assert_finite(n):
++  """Raises ValueError if n is NaN or infinite."""
++
++  valid_chars = '0123456789.-+eE'
++  if repr(n).translate(string.maketrans('',''), valid_chars) != '':
++    raise ValueError('encountered NaN or infinite')
++
++def decode_float(x, f):
++    f += 1
++    newf = x.index('e', f)
++    try:
++        n = float(x[f:newf].replace('E', 'e'))
++        assert_finite(n)
++    except (OverflowError, ValueError):
++        raise ValueError('encountered NaN or infinite')
++    return (n, newf+1)
++
+ def decode_string(x, f):
+     colon = x.index(':', f)
+     n = int(x[f:colon])
+@@ -55,6 +74,7 @@ decode_func = {}
+ decode_func['l'] = decode_list
+ decode_func['d'] = decode_dict
+ decode_func['i'] = decode_int
++decode_func['f'] = decode_float
+ decode_func['0'] = decode_string
+ decode_func['1'] = decode_string
+ decode_func['2'] = decode_string
+@@ -75,7 +95,7 @@ def bdecode(x):
+         raise BTFailure, _("invalid bencoded value (data after valid prefix)")
+     return r
+ 
+-from types import StringType, IntType, LongType, DictType, ListType, TupleType
++from types import StringType, IntType, LongType, DictType, ListType, TupleType, FloatType
+ 
+ 
+ class Bencached(object):
+@@ -91,6 +111,10 @@ def encode_bencached(x,r):
+ def encode_int(x, r):
+     r.extend(('i', str(x), 'e'))
+ 
++def encode_float(x, r):
++    assert_finite(x)
++    r.extend(('f', repr(x).replace('e', 'E'), 'e'))
++
+ def encode_bool(x, r):
+     if x:
+         encode_int(1, r)
+@@ -119,6 +143,7 @@ encode_func = {}
+ encode_func[Bencached] = encode_bencached
+ encode_func[IntType] = encode_int
+ encode_func[LongType] = encode_int
++encode_func[FloatType] = encode_float
+ encode_func[StringType] = encode_string
+ encode_func[ListType] = encode_list
+ encode_func[TupleType] = encode_list