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How to use _initArgParsers method in unittest-xml-reporting

Best Python code snippet using unittest-xml-reporting_python

main.py

Source:main.py

...83    def usageExit(self, msg=None):84        if msg:85            print(msg)86        if self._discovery_parser is None:87            self._initArgParsers()88        self._print_help()89        sys.exit(2)90    def _print_help(self, *args, **kwargs):91        if self.module is None:92            print(self._main_parser.format_help())93            print(MAIN_EXAMPLES % {'prog': self.progName})94            self._discovery_parser.print_help()95        else:96            print(self._main_parser.format_help())97            print(MODULE_EXAMPLES % {'prog': self.progName})98    def parseArgs(self, argv):99        self._initArgParsers()100        if self.module is None:101            if len(argv) > 1 and argv[1].lower() == 'discover':102                self._do_discovery(argv[2:])103                return104            self._main_parser.parse_args(argv[1:], self)105            if not self.tests:106                # this allows "python -m unittest -v" to still work for107                # test discovery.108                self._do_discovery([])109                return110        else:111            self._main_parser.parse_args(argv[1:], self)112        if self.tests:113            self.testNames = _convert_names(self.tests)114            if __name__ == '__main__':115                # to support python -m unittest ...116                self.module = None117        elif self.defaultTest is None:118            # createTests will load tests from self.module119            self.testNames = None120        elif isinstance(self.defaultTest, str):121            self.testNames = (self.defaultTest,)122        else:123            self.testNames = list(self.defaultTest)124        self.createTests()125    def createTests(self):126        if self.testNames is None:127            self.test = self.testLoader.loadTestsFromModule(self.module)128        else:129            self.test = self.testLoader.loadTestsFromNames(self.testNames,130                                                           self.module)131    def _initArgParsers(self):132        parent_parser = self._getParentArgParser()133        self._main_parser = self._getMainArgParser(parent_parser)134        self._discovery_parser = self._getDiscoveryArgParser(parent_parser)135    def _getParentArgParser(self):136        parser = argparse.ArgumentParser(add_help=False)137        parser.add_argument('-v', '--verbose', dest='verbosity',138                            action='store_const', const=2,139                            help='Verbose output')140        parser.add_argument('-q', '--quiet', dest='verbosity',141                            action='store_const', const=0,142                            help='Quiet output')143        if self.failfast is None:144            parser.add_argument('-f', '--failfast', dest='failfast',145                                action='store_true',146                                help='Stop on first fail or error')147            self.failfast = False148        if self.catchbreak is None:149            parser.add_argument('-c', '--catch', dest='catchbreak',150                                action='store_true',151                                help='Catch ctrl-C and display results so far')152            self.catchbreak = False153        if self.buffer is None:154            parser.add_argument('-b', '--buffer', dest='buffer',155                                action='store_true',156                                help='Buffer stdout and stderr during tests')157            self.buffer = False158        return parser159    def _getMainArgParser(self, parent):160        parser = argparse.ArgumentParser(parents=[parent])161        parser.prog = self.progName162        parser.print_help = self._print_help163        parser.add_argument('tests', nargs='*',164                            help='a list of any number of test modules, '165                            'classes and test methods.')166        return parser167    def _getDiscoveryArgParser(self, parent):168        parser = argparse.ArgumentParser(parents=[parent])169        parser.prog = '%s discover' % self.progName170        parser.epilog = ('For test discovery all test modules must be '171                         'importable from the top level directory of the '172                         'project.')173        parser.add_argument('-s', '--start-directory', dest='start',174                            help="Directory to start discovery ('.' default)")175        parser.add_argument('-p', '--pattern', dest='pattern',176                            help="Pattern to match tests ('test*.py' default)")177        parser.add_argument('-t', '--top-level-directory', dest='top',178                            help='Top level directory of project (defaults to '179                                 'start directory)')180        for arg in ('start', 'pattern', 'top'):181            parser.add_argument(arg, nargs='?',182                                default=argparse.SUPPRESS,183                                help=argparse.SUPPRESS)184        return parser185    def _do_discovery(self, argv, Loader=None):186        self.start = '.'187        self.pattern = 'test*.py'188        self.top = None189        if argv is not None:190            # handle command line args for test discovery191            if self._discovery_parser is None:192                # for testing193                self._initArgParsers()194            self._discovery_parser.parse_args(argv, self)195        loader = self.testLoader if Loader is None else Loader()196        self.test = loader.discover(self.start, self.pattern, self.top)197    def runTests(self):198        if self.catchbreak:199            installHandler()200        if self.testRunner is None:201            self.testRunner = runner.TextTestRunner202        if isinstance(self.testRunner, type):203            try:204                testRunner = self.testRunner(verbosity=self.verbosity,205                                             failfast=self.failfast,206                                             buffer=self.buffer,207                                             warnings=self.warnings)...

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