refine "http_simple" in py3.4

9 years ago · 187e266b26
1 changed files with 4 additions and 1 deletions
--- a/shadowsocks/obfsplugin/http_simple.py
+++ b/shadowsocks/obfsplugin/http_simple.py
@ -78,7 +78,10 @@ class http_simple(plain.plain):

    def encode_head(self, buf):
        hexstr = binascii.hexlify(buf)
-        return b''.join([b"%" + pair for pair in [hexstr[i:i+2] for i in range(0, len(hexstr), 2)]])
+        chs = []
+        for i in range(0, len(hexstr), 2):
+            chs.append(b"%" + hexstr[i:i+2])
+        return b''.join(chs)

    def client_encode(self, buf):
        if self.has_sent_header: