From dcdc79217822adc4311b787aed1c7adabebf3325 Mon Sep 17 00:00:00 2001
From: Lukas Fleischer <lfleischer@calcurse.org>
Date: Sat, 23 Jan 2016 08:22:23 +0100
Subject: calcurse-caldav: Add a workaround for Python <3.4
Python versions prior to 3.4 do not check certificates by default and
thus do not support ssl._create_unverified_context(). Add a workaround.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
---
contrib/caldav/calcurse-caldav.py | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
(limited to 'contrib')
diff --git a/contrib/caldav/calcurse-caldav.py b/contrib/caldav/calcurse-caldav.py
index 94d1775..edd50d8 100755
--- a/contrib/caldav/calcurse-caldav.py
+++ b/contrib/caldav/calcurse-caldav.py
@@ -385,12 +385,19 @@ open(lockfn, 'w')
try:
# Connect to the server via HTTPs.
if insecure_ssl:
- context = ssl._create_unverified_context()
+ try:
+ context = ssl._create_unverified_context()
+ conn = http.client.HTTPSConnection(hostname, context=context)
+ except AttributeError:
+ # Python versions prior to 3.4 do not support
+ # ssl._create_unverified_context(). However, these versions do not
+ # seem to verify certificates by default so we can simply fall back
+ # to http.client.HTTPSConnection().
+ conn = http.client.HTTPSConnection(hostname)
else:
- context = ssl._create_default_https_context()
+ conn = http.client.HTTPSConnection(hostname)
if verbose:
print('Connecting to ' + hostname + '...')
- conn = http.client.HTTPSConnection(hostname, context=context)
if init:
# In initialization mode, start with an empty synchronization database.
--
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