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How to use traceback method in avocado

Best Python code snippet using avocado_python

tracemalloc.py

Source:tracemalloc.py

...174            line = linecache.getline(frame.filename, frame.lineno).strip()175            if line:176                lines.append('    %s' % line)177        return lines178def get_object_traceback(obj):179    """180    Get the traceback where the Python object *obj* was allocated.181    Return a Traceback instance.182    Return None if the tracemalloc module is not tracing memory allocations or183    did not trace the allocation of the object.184    """185    frames = _get_object_traceback(obj)186    if frames is not None:187        return Traceback(frames)188    else:189        return None190class Trace:191    """192    Trace of a memory block.193    """194    __slots__ = ("_trace",)195    def __init__(self, trace):196        # trace is a tuple: (size, traceback), see Traceback constructor197        # for the format of the traceback tuple198        self._trace = trace199    @property200    def size(self):201        return self._trace[0]202    @property203    def traceback(self):204        return Traceback(self._trace[1])205    def __eq__(self, other):206        return (self._trace == other._trace)207    def __hash__(self):208        return hash(self._trace)209    def __str__(self):210        return "%s: %s" % (self.traceback, _format_size(self.size, False))211    def __repr__(self):212        return ("<Trace size=%s, traceback=%r>"213                % (_format_size(self.size, False), self.traceback))214class _Traces(Sequence):215    def __init__(self, traces):216        Sequence.__init__(self)217        # traces is a tuple of trace tuples: see Trace constructor218        self._traces = traces219    def __len__(self):220        return len(self._traces)221    def __getitem__(self, index):222        if isinstance(index, slice):223            return tuple(Trace(trace) for trace in self._traces[index])224        else:225            return Trace(self._traces[index])226    def __contains__(self, trace):227        return trace._trace in self._traces228    def __eq__(self, other):229        return (self._traces == other._traces)230    def __repr__(self):231        return "<Traces len=%s>" % len(self)232def _normalize_filename(filename):233    filename = os.path.normcase(filename)234    if filename.endswith(('.pyc', '.pyo')):235        filename = filename[:-1]236    return filename237class Filter:238    def __init__(self, inclusive, filename_pattern,239                 lineno=None, all_frames=False):240        self.inclusive = inclusive241        self._filename_pattern = _normalize_filename(filename_pattern)242        self.lineno = lineno243        self.all_frames = all_frames244    @property245    def filename_pattern(self):246        return self._filename_pattern247    def __match_frame(self, filename, lineno):248        filename = _normalize_filename(filename)249        if not fnmatch.fnmatch(filename, self._filename_pattern):250            return False251        if self.lineno is None:252            return True253        else:254            return (lineno == self.lineno)255    def _match_frame(self, filename, lineno):256        return self.__match_frame(filename, lineno) ^ (not self.inclusive)257    def _match_traceback(self, traceback):258        if self.all_frames:259            if any(self.__match_frame(filename, lineno)260                   for filename, lineno in traceback):261                return self.inclusive262            else:263                return (not self.inclusive)264        else:265            filename, lineno = traceback[0]266            return self._match_frame(filename, lineno)267class Snapshot:268    """269    Snapshot of traces of memory blocks allocated by Python.270    """271    def __init__(self, traces, traceback_limit):272        # traces is a tuple of trace tuples: see _Traces constructor for273        # the exact format274        self.traces = _Traces(traces)275        self.traceback_limit = traceback_limit276    def dump(self, filename):277        """278        Write the snapshot into a file.279        """280        with open(filename, "wb") as fp:281            pickle.dump(self, fp, pickle.HIGHEST_PROTOCOL)282    @staticmethod283    def load(filename):284        """285        Load a snapshot from a file.286        """287        with open(filename, "rb") as fp:288            return pickle.load(fp)289    def _filter_trace(self, include_filters, exclude_filters, trace):290        traceback = trace[1]291        if include_filters:292            if not any(trace_filter._match_traceback(traceback)293                       for trace_filter in include_filters):294                return False295        if exclude_filters:296            if any(not trace_filter._match_traceback(traceback)297                   for trace_filter in exclude_filters):298                return False299        return True300    def filter_traces(self, filters):301        """302        Create a new Snapshot instance with a filtered traces sequence, filters303        is a list of Filter instances.  If filters is an empty list, return a304        new Snapshot instance with a copy of the traces.305        """306        if not isinstance(filters, Iterable):307            raise TypeError("filters must be a list of filters, not %s"308                            % type(filters).__name__)309        if filters:310            include_filters = []...

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