pylib/py.test 1.2.1 released: improvements, fixes

[holger krekel]

py.test is a mature, advanced automated testing tool working with
Python2, Python3 and Jython versions on all major operating
systems.  It has a simple plugin architecture and can run many
existing common Python test suites without modification.  It offers
some unique features not found in other testing tools.  See 
http://pytest.org for more info.

py.test 1.2.1 brings bug fixes and some new options and abilities triggered
by user feedback:

* --funcargs [testpath]  will show available builtin- and project funcargs.
* display a short and concise traceback if funcarg lookup fails.
* early-load "conftest.py" files in non-dot first-level sub directories.
* --tb=line will print a single line for each failing test (issue67)
* py.cleanup has a number of new options, cleanups up setup.py related files
* fix issue78: always call python-level teardown functions even if the
  according setup failed.

For more detailed information see 

    http://codespeak.net/py/dist/announce/release-1.2.1.html

or the CHANGELOG below. 

cheers and have fun,

holger

Changes between 1.2.1 and 1.2.0
=====================================

- refined usage and options for "py.cleanup"::

    py.cleanup     # remove "*.pyc" and "*$py.class" (jython) files
    py.cleanup -e .swp -e .cache # also remove files with these extensions
    py.cleanup -s  # remove "build" and "dist" directory next to setup.py files
    py.cleanup -d  # also remove empty directories 
    py.cleanup -a  # synonym for "-s -d -e 'pip-log.txt'"
    py.cleanup -n  # dry run, only show what would be removed

- add a new option "py.test --funcargs" which shows available funcargs 
  and their help strings (docstrings on their respective factory function) 
  for a given test path

- display a short and concise traceback if a funcarg lookup fails 

- early-load "conftest.py" files in non-dot first-level sub directories. 
  allows to conveniently keep and access test-related options in a ``test`` 
  subdir and still add command line options. 

- fix issue67: new super-short traceback-printing option: "--tb=line" will print a single line for each failing (python) test indicating its filename, lineno and the failure value

- fix issue78: always call python-level teardown functions even if the
  according setup failed.  This includes refinements for calling setup_module/class functions 
  which will now only be called once instead of the previous behaviour where they'd be called
  multiple times if they raise an exception (including a Skipped exception).  Any exception
  will be re-corded and associated with all tests in the according module/class scope.

- fix issue63: assume <40 columns to be a bogus terminal width, default to 80

- fix pdb debugging to be in the correct frame on raises-related errors 

- update apipkg.py to fix an issue where recursive imports might
  unnecessarily break importing 

- fix plugin links