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How to use exc method in fMBT

Best Python code snippet using fMBT_python

test_pep352.py

Source:test_pep352.py

...81                self.assertTrue(issubclass(exc, superclasses[-1][1]),82                "%s is not a subclass of %s" % (exc.__name__,83                    superclasses[-1][1].__name__))84                try:  # Some exceptions require arguments; just skip them85                    self.verify_instance_interface(exc())86                except TypeError:87                    pass88                self.assertIn(exc_name, exc_set)89                exc_set.discard(exc_name)90                last_exc = exc91                last_depth = depth92        finally:93            inheritance_tree.close()94        self.assertEqual(len(exc_set), 0, "%s not accounted for" % exc_set)9596    interface_tests = ("length", "args", "message", "str", "unicode", "repr",97            "indexing")9899    def interface_test_driver(self, results):
...

exception.py

Source:exception.py

...23        self.exc_val = None24        self.exc_tb = None25        self.error_type = const.EXC_TYPE.NOTSET26        self.max_exc_var_len = 16027    def set_exc(self, exc_type, exc_val, exc_tb):28        self.exc_type = exc_type29        self.exc_val = exc_val30        self.exc_tb = exc_tb31    def set_msg(self, msg):32        self.msg = msg33    def add_stack_info(self, filename, lineno, func_name, code, local_variables={}):34        self.stacks.append((filename, lineno, func_name, code, local_variables))35    @property36    def stacks_length(self):37        return len(self.stacks)38    def __repr__(self):39        if len(self.stacks) == 0:40            return self.msg41        def _repr(v):42            try:43                var_str = repr(v)44                if len(var_str) > self.max_exc_var_len:45                    var_str = var_str[:self.max_exc_var_len] + " ..."46                return var_str47            except Exception:48                return 'UNREPRESENTABLE VALUE'49        content = ["Traceback (most recent call last):"]50        for filename, lineno, func_name, code, local_variables in self.stacks:51            content.append('  File %s, line %s in %s' % (filename, lineno, func_name))52            content.append('    %s' % (code, ))53            for k, v in six.iteritems(local_variables):54                content.append('    --> %s = %s' % (k, _repr(v)))55            content.append('')56        content.append("%s: %s" % (self.exc_type.__name__, self.msg))57        return "\n".join(content)58class CustomException(Exception):59    def __init__(self, error):60        self.error = error61EXC_EXT_NAME = "ricequant_exc"62def patch_user_exc(exc_val, force=False):63    exc_from_type = getattr(exc_val, EXC_EXT_NAME, const.EXC_TYPE.NOTSET)64    if exc_from_type == const.EXC_TYPE.NOTSET or force:65        setattr(exc_val, EXC_EXT_NAME, const.EXC_TYPE.USER_EXC)66    return exc_val67def patch_system_exc(exc_val, force=False):68    exc_from_type = getattr(exc_val, EXC_EXT_NAME, const.EXC_TYPE.NOTSET)69    if exc_from_type == const.EXC_TYPE.NOTSET or force:70        setattr(exc_val, EXC_EXT_NAME, const.EXC_TYPE.SYSTEM_EXC)71    return exc_val72def get_exc_from_type(exc_val):73    exc_from_type = getattr(exc_val, EXC_EXT_NAME, const.EXC_TYPE.NOTSET)74    return exc_from_type75def is_system_exc(exc_val):76    return get_exc_from_type(exc_val) == const.EXC_TYPE.SYSTEM_EXC77def is_user_exc(exc_val):78    return get_exc_from_type(exc_val) == const.EXC_TYPE.USER_EXC79class ModifyExceptionFromType(object):80    def __init__(self, exc_from_type, force=False):81        self.exc_from_type = exc_from_type82        self.force = force83    def __enter__(self):84        return self85    def __exit__(self, exc_type, exc_val, exc_tb):86        if exc_val is not None:87            exc_from_type = getattr(exc_val, EXC_EXT_NAME, const.EXC_TYPE.NOTSET)88            if self.force or exc_from_type == const.EXC_TYPE.NOTSET:89                setattr(exc_val, EXC_EXT_NAME, self.exc_from_type)90class RQUserError(Exception):91    ricequant_exc = const.EXC_TYPE.USER_EXC...

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