Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/conch/ssh/sexpy.py

-# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-#
-
-def parse(s):
-    s = s.strip()
-    expr = []
-    while s:
-        if s[0] == '(':
-            newSexp = []
-            if expr:
-                expr[-1].append(newSexp)
-            expr.append(newSexp)
-            s = s[1:]
-            continue
-        if s[0] == ')':
-            aList = expr.pop()
-            s=s[1:]
-            if not expr:
-                assert not s
-                return aList
-            continue
-        i = 0
-        while s[i].isdigit(): i+=1
-        assert i
-        length = int(s[:i])
-        data = s[i+1:i+1+length]
-        expr[-1].append(data)
-        s=s[i+1+length:]
-    assert 0, "this should not happen"
-
-def pack(sexp):
-    s = ""
-    for o in sexp:
-        if type(o) in (type(()), type([])):
-            s+='('
-            s+=pack(o)
-            s+=')'
-        else:
-            s+='%i:%s' % (len(o), o)
-    return s