Fix the travis build

Author: peternewman

.travis.yml

@@ -6,9 +6,8 @@ matrix:
  fast_finish: true
  include:
  - env: TASK='flake8'
- - env: TASK='pychecker'
- - python: "2.6"
- env: TASK='checkconfig'
+ - python: "2.7"
+ env: TASK='pychecker'
  - python: "2.7"
  env: TASK='checkconfig'
 # - python: "3.2" # buildbot does not currently support Python 3
@@ -18,17 +17,22 @@ matrix:
 # - python: "pypy" # issues with travis halting during buildbot setup
 # env: TASK='checkconfig'
 
+cache:
+ apt: true
+ directories:
+ - $HOME/.cache/pip # pip cache
+
 script:
  - "bash -ex .travis-ci.sh"
 
-before_install:
- - sudo apt-get update -qq
-
 install:
  # We need a minimum of 0.8.12, so install via pip
  - sudo pip install buildbot==0.8.12
  - if [ "$TASK" = "flake8" ]; then sudo pip install flake8; fi
- - if [ "$TASK" = "pychecker" ]; then sudo pip install http://sourceforge.net/projects/pychecker/files/pychecker/0.8.19/pychecker-0.8.19.tar.gz/download; fi
+# If this causes SSL errors, then Sourceforge is probably in disaster recovery mode and needing Javascript. Could switch to a specific mirror, e.g. kent.dl.sourceforge.net
+ - if [ "$TASK" = "pychecker" ]; then sudo pip install --verbose http://sourceforge.net/projects/pychecker/files/pychecker/0.8.19/pychecker-0.8.19.tar.gz/download; fi
+# This is a very bodgy workaround to the fact that the pip install of the archive doesn't seem to work properly now on Travis
+ - if [ "$TASK" = "pychecker" ]; then sudo mkdir -p /pychecker/; sudo ln -s /usr/local/lib/python2.7/dist-packages/pychecker/checker.py /pychecker/checker.py; fi
 
 notifications:
  irc: