upstream/ipython Files · IPython/external/decorators/_numpy_testing_noseclasses.py

ensure a fallback exists, so use local std{in,out,err}...

ensure a fallback exists, so use local std{in,out,err} Since IOStream instances require a valid fallback stream, use the locally defined std{in,out,err} instead of sys.std{in,out,err} in IOTerm's __init__ method. Note that the local std{in,out,err} are IOStream instances as well, that fall back to os.devnull

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             _numpy_testing_noseclasses.py
        
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             / IPython / external / decorators / _numpy_testing_noseclasses.py
          
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      # IPython: modified copy of numpy.testing.noseclasses, so

      # IPython.external._decorators works without numpy being installed.

      # These classes implement a "known failure" error class.

      import os

      from nose.plugins.errorclass import ErrorClass, ErrorClassPlugin

      class KnownFailureTest(Exception):

          '''Raise this exception to mark a test as a known failing test.'''

          pass

      class KnownFailure(ErrorClassPlugin):

          '''Plugin that installs a KNOWNFAIL error class for the

          KnownFailureClass exception.  When KnownFailureTest is raised,

          the exception will be logged in the knownfail attribute of the

          result, 'K' or 'KNOWNFAIL' (verbose) will be output, and the

          exception will not be counted as an error or failure.'''

          enabled = True

          knownfail = ErrorClass(KnownFailureTest,

                                 label='KNOWNFAIL',

                                 isfailure=False)

          def options(self, parser, env=os.environ):

              env_opt = 'NOSE_WITHOUT_KNOWNFAIL'

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

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

                                help='Disable special handling of KnownFailureTest '

                                     'exceptions')

          def configure(self, options, conf):

              if not self.can_configure:

                  return

              self.conf = conf

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

              if disable:

                  self.enabled = False

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				# IPython: modified copy of numpy.testing.noseclasses, so
				# IPython.external._decorators works without numpy being installed.

				# These classes implement a "known failure" error class.

				import os

				from nose.plugins.errorclass import ErrorClass, ErrorClassPlugin

				class KnownFailureTest(Exception):
				'''Raise this exception to mark a test as a known failing test.'''
				pass


				class KnownFailure(ErrorClassPlugin):
				'''Plugin that installs a KNOWNFAIL error class for the
				KnownFailureClass exception. When KnownFailureTest is raised,
				the exception will be logged in the knownfail attribute of the
				result, 'K' or 'KNOWNFAIL' (verbose) will be output, and the
				exception will not be counted as an error or failure.'''
				enabled = True
				knownfail = ErrorClass(KnownFailureTest,
				label='KNOWNFAIL',
				isfailure=False)

				def options(self, parser, env=os.environ):
				env_opt = 'NOSE_WITHOUT_KNOWNFAIL'
				parser.add_option('--no-knownfail', action='store_true',
				dest='noKnownFail', default=env.get(env_opt, False),
				help='Disable special handling of KnownFailureTest '
				'exceptions')

				def configure(self, options, conf):
				if not self.can_configure:
				return
				self.conf = conf
				disable = getattr(options, 'noKnownFail', False)
				if disable:
				self.enabled = False