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""" 

This plugin installs a SKIP error class for the SkipTest exception. 

When SkipTest is raised, the exception will be logged in the skipped 

attribute of the result, 'S' or 'SKIP' (verbose) will be output, and 

the exception will not be counted as an error or failure. This plugin 

is enabled by default but may be disabled with the ``--no-skip`` option. 

""" 

 

from nose.plugins.errorclass import ErrorClass, ErrorClassPlugin 

 

 

# on SkipTest: 

# - unittest SkipTest is first preference, but it's only available 

# for >= 2.7 

# - unittest2 SkipTest is second preference for older pythons. This 

# mirrors logic for choosing SkipTest exception in testtools 

# - if none of the above, provide custom class 

try: 

from unittest.case import SkipTest 

except ImportError: 

try: 

from unittest2.case import SkipTest 

except ImportError: 

class SkipTest(Exception): 

"""Raise this exception to mark a test as skipped. 

""" 

pass 

 

 

class Skip(ErrorClassPlugin): 

""" 

Plugin that installs a SKIP error class for the SkipTest 

exception. When SkipTest is raised, the exception will be logged 

in the skipped attribute of the result, 'S' or 'SKIP' (verbose) 

will be output, and the exception will not be counted as an error 

or failure. 

""" 

enabled = True 

skipped = ErrorClass(SkipTest, 

label='SKIP', 

isfailure=False) 

 

def options(self, parser, env): 

""" 

Add my options to command line. 

""" 

env_opt = 'NOSE_WITHOUT_SKIP' 

parser.add_option('--no-skip', action='store_true', 

dest='noSkip', default=env.get(env_opt, False), 

help="Disable special handling of SkipTest " 

"exceptions.") 

 

def configure(self, options, conf): 

""" 

Configure plugin. Skip plugin is enabled by default. 

""" 

if not self.can_configure: 

return 

self.conf = conf 

disable = getattr(options, 'noSkip', False) 

if disable: 

self.enabled = False