varnish/varnish-5.2.1-python3.patch

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From 17c92e43fda114bf5341e51d752e882238b8fe8c Mon Sep 17 00:00:00 2001
From: Nils Goroll <nils.goroll@uplex.de>
Date: Thu, 5 Oct 2017 13:39:23 +0200
Subject: [PATCH] hack up vsctool to work with python 2 and 3
StringIO does not exist any more in python3, yet requiring 2.7 would
not pave the path forward, so try to be compatible with both.
Works for me on Python 2.7.9 and Python 3.4
I would appreciate if someone more fluent in serpentinous programming
language reviewed and/or rewrote this.
---
lib/libvcc/vsctool.py | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/lib/libvcc/vsctool.py b/lib/libvcc/vsctool.py
index 854968e3b..829c6e518 100644
--- a/lib/libvcc/vsctool.py
+++ b/lib/libvcc/vsctool.py
@@ -37,7 +37,10 @@
import json
import sys
import gzip
-import StringIO
+try:
+ import StringIO
+except ImportError:
+ import io
import collections
import struct
@@ -54,9 +57,22 @@
"format": [ "integer", FORMATS],
}
+# http://python3porting.com/problems.html#bytes-strings-and-unicode
+if sys.version_info < (3,):
+ def b(x):
+ return x
+else:
+ import codecs
+ def b(x):
+ return codecs.latin_1_encode(x)[0]
+
def gzip_str(s):
- out = StringIO.StringIO()
- gzip.GzipFile(fileobj=out, mode="w").write(s)
+ try:
+ out = StringIO.StringIO()
+ except NameError:
+ out = io.BytesIO()
+
+ gzip.GzipFile(fileobj=out, mode="w").write(b(s))
out.seek(4)
out.write(struct.pack("<L", 0x12bfd58))
return out.getvalue()
@@ -285,7 +301,7 @@ class rst_vsc(directive):
def __init__(self, s):
super(rst_vsc, self).__init__(s)
- for i,v in PARAMS.iteritems():
+ for i,v in PARAMS.items():
if v is not True:
self.do_default(i, v[0], v[1])