# doctest text file

>>> import os, os.path, sys
>>> cwd = os.getcwd()

# run non-gui example scripts, check they run and produce no output (error messages)
# and exit successfully
>>> _dir = os.path.join(cwd, '..', 'examples')
>>> os.chdir (_dir)
>>> files = [f for f in os.listdir('.') if f.endswith('.py')]
>>> for f in files:
...     ret = os.system ('python %s' % f) # return value is system dependent
...     if ret != 0 and sys.platform.startswith('linux'): 
...         print 'Error:', f, 'returned', ret

# run png snippets
>>> cmd = 'python snippets_png.py -s'
>>> _dir = os.path.join(cwd, '..', 'examples', 'cairo_snippets')
>>> os.chdir (_dir)
>>> ret = os.system (cmd)
>>> if ret != 0 and sys.platform.startswith('linux'): 
...     print 'Error:', cmd, 'returned', ret