Boilerplate for making a coverage.io run on a Travis-CI Python project which cleanly skips py25, doesn't crash under pypy, and ignores nose, Python stdlib, and backported modules like unittest2 and ordereddict.

.coveragerc

[run]
omit =
    */python?.?/*
    */lib-python/?.?/*.py
    */lib_pypy/_*.py
    */site-packages/ordereddict.py
    */site-packages/nose/*
    */unittest2/*

.travis.yml

install:
- if [[ $TRAVIS_PYTHON_VERSION != '2.5' ]]; then pip install coveralls --use-mirrors && export HAS_COVERALLS=1; fi
after_success:
- if [[ $HAS_COVERALLS ]]; then coveralls; fi