add kikimr_configure

1 files changed, 45 insertions, 0 deletions

diff --git a/contrib/python/Twisted/py2/twisted/conch/ssh/sexpy.py b/contrib/python/Twisted/py2/twisted/conch/ssh/sexpy.py
new file mode 100644
index 0000000000..c5f102e4f1
--- /dev/null
+++ b/contrib/python/Twisted/py2/twisted/conch/ssh/sexpy.py
@@ -0,0 +1,45 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+from __future__ import absolute_import, division
+
+from twisted.python.compat import intToBytes
+
+
+def parse(s):
+    s = s.strip()
+    expr = []
+    while s:
+        if s[0:1] == b'(':
+            newSexp = []
+            if expr:
+                expr[-1].append(newSexp)
+            expr.append(newSexp)
+            s = s[1:]
+            continue
+        if s[0:1] == b')':
+            aList = expr.pop()
+            s=s[1:]
+            if not expr:
+                assert not s
+                return aList
+            continue
+        i = 0
+        while s[i:i+1].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 = b""
+    for o in sexp:
+        if type(o) in (type(()), type([])):
+            s+=b'('
+            s+=pack(o)
+            s+=b')'
+        else:
+            s+=intToBytes(len(o)) + b":" + o
+    return s