How to use _generate_step_stack method in grail

Best Python code snippet using grail_python

steps.py

Source:steps.py

...3from unittest import TestCase4import grail.state as state5import grail.settings as settings6from grail.step_info import StepInfo, StepResults7def _generate_step_stack():8    stack = traceback.extract_stack()9    step_index = next(i for i, e in enumerate(stack) if e[0].endswith('steps.py'))10    stack = stack[step_index - 1:]11    stack = filter(lambda e: not (e[0].endswith('steps.py') or e[0].endswith('step_info.py')), stack)12    return stack13class _RedirectOut(object):14    def __init__(self):15        self.temp = sys.stdout16        self.step_messages = []17        self.delimited_messages = []18        self.string = ''19    def write(self, s):20        if s.strip(' '):21            self.delimited_messages.append(s)22            if not s.strip('\n'):23                self.string = ''.join(self.delimited_messages)24                self.delimited_messages = []25                self.step_messages.append(self.string)26    def flush(self):27        pass28    def out_to_lst(self):29        sys.stdout = self30    def out_to_console(self):31        sys.stdout = self.temp32    def get_captured_output(self):33        def convert(line):34            final_line = state.indentation + line35            if isinstance(final_line, unicode):36                return final_line37            return unicode(final_line, errors='replace')38        return u''.join(map(convert, self.step_messages))39def _should_skip_step():40    if settings.disable_steps:41        return True42    if settings.export_mode:43        return False44    for filename, line_number, func_name, text in traceback.extract_stack():45        if func_name in settings.skip_func:46            return True47    if state.treat_nested_steps_as_methods_global and state.step_execution_started:48        return True49class GrailValidationException(Exception):50    pass51def _validate_step_info(step_info):52    if step_info.step_group and step_info.treat_nested_steps_as_methods:53        raise GrailValidationException(u'Step logic disabling is not applicable for step groups')54    if not step_info.step_group and state.step_execution_started:55        raise GrailValidationException(u'Step is called from another step (without group): %s' %56                                       step_info.function.func_name)57def _execute(step_info):58    if _should_skip_step():59        return step_info.run_function()60    redirected_out = _RedirectOut()61    redirected_out.out_to_lst()62    state.indentation = state.indentation + settings.indentation_const63    _validate_step_info(step_info)64    output, result, exception_instance = None, None, None65    def print_to_console():66        redirected_out.out_to_console()67        state.step_execution_started = False68        console_message = redirected_out.get_captured_output()69        state.indentation = state.indentation[:-len(settings.indentation_const)]70        print_message = step_info.get_description(output, result, exception_instance)71        if console_message:72            print_message += u'\n'73            print_message += console_message.rstrip()74        print print_message75    try:76        if state.pending_step or state.step_first_error is not None:77            result = StepResults.IGNORED78        elif step_info.pending:79            result = StepResults.PENDING80            state.pending_step = True81        else:82            if step_info.step_group:83                output = step_info.run_function()84                if state.step_first_error:85                    if isinstance(state.step_first_error, TestCase.failureException):86                        result = StepResults.FAILED87                    else:88                        result = StepResults.ERROR89                elif state.pending_step:90                    result = StepResults.PENDING91                else:92                    result = StepResults.PASSED93            else:94                state.step_execution_started = True95                state.treat_nested_steps_as_methods_global = step_info.treat_nested_steps_as_methods96                if not settings.export_mode:97                    output = step_info.run_function()98                result = StepResults.PASSED99    except Exception as inst:100        if isinstance(inst, TestCase.failureException):101            result = StepResults.FAILED102        else:103            result = StepResults.ERROR104        if not state.is_test_wrapped:105            print_to_console()106            raise107        if step_info.step_group:108            raise GrailValidationException(u'Unexpected exception from step group: %s' % inst)109        if isinstance(inst, GrailValidationException):110            raise111        if not state.step_first_error:112            state.step_first_error = inst113            state.step_stack = _generate_step_stack()114            state.step_exception_traceback = sys.exc_info()[2]115            exception_instance = inst116    print_to_console()117    return output118def step(func=None, description='', pending=False, step_group=False, format_description=False,119         treat_nested_steps_as_methods=False, log_output=True, log_input=True):120    step_info = StepInfo()121    def wrapper(*args, **kwargs):122        step_info.args = args123        step_info.kwargs = kwargs124        return _execute(step_info)125    def params_wrapper(function):126        step_info.function = function127        return wrapper...

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