Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More

How to use gather_errors method in stestr

Best Python code snippet using stestr_python

chain.py

Source:chain.py

1#!/usr/bin/env python2# -*- coding: utf-8 -*-3#4# OpenBCI - framework for Brain-Computer Interfaces based on EEG signal5# Project was initiated by Magdalena Michalska and Krzysztof Kulewski6# as part of their MSc theses at the University of Warsaw.7# Copyright (C) 2008-2009 Krzysztof Kulewski and Magdalena Michalska8#9# This program is free software: you can redistribute it and/or modify10# it under the terms of the GNU General Public License as published by11# the Free Software Foundation, either version 3 of the License, or12# (at your option) any later version.13#14# This program is distributed in the hope that it will be useful,15# but WITHOUT ANY WARRANTY; without even the implied warranty of16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the17# GNU General Public License for more details.18#19# You should have received a copy of the GNU General Public License20# along with this program.  If not, see <http://www.gnu.org/licenses/>.21#22# Author:23#     Mateusz KruszyÅski <mateusz.kruszynski@gmail.com>24import traceback25import classification_logging as logger26LOGGER = logger.get_logger("chain", "debug")27class ChainElement(object):28    """Represents an element for Chain object."""29    def __init__(self, class_template, params_sets):30        """Init object, parameters:31        - class_template - a class responding to .process(data) method32        - params_sets - a dictionary with keys contaning every33          class_template`s __init__ parameters and values representing34          alternative values for corresponding parameter, eg:35          for class:36          class A(object):37              def __init__(x,y):38                  ...39          where x is a number and y is a string, we would have:40          ChainElement(A, {'x':[1,2,3], 'y':['a', 'b']})41          For that ChainElement Chain object will create 6 A objects42          with every permutation of init parameters:43          A(1,'a'), A(1,'b'), A(2,'a'), A(2,'b'), A(3,'a'), A(3,'b')44          """45        self.class_template = class_template46        try:47            keys = params_sets.keys()48        except AttributeError:49            self.params = params_sets50        else:51            self.params = []52            self._init_params(params_sets, {}, keys)53    def _init_params(self, params_sets, init_set, keys):54        """Initialize self.params list.55        After that operation self.params should look like:56        [{'x':1, 'y':'a'}, {'x':1, 'y':'b'},..., {'x':3, 'y':'b'}]57        """58        if len(keys) == 0:59            self.params.append(init_set)60            return 61        for i_value in params_sets[keys[0]]:62            d = init_set.copy()63            d[keys[0]] = i_value64            self._init_params(params_sets, d, keys[1:])65        66class Chain(object):67    def __init__(self, *chain_elements):68        self.elements = chain_elements69        self.candidates = None70        self.results = None71        self.errors = []72        self.gather_errors = True73    def process(self, data_set=None, 74                select_winner=True, gather_errors=True):75        self.gather_errors = gather_errors76        self.candidates, self.results = self._process(data_set, 0)77        if select_winner:78            return self._select_winner(self.candidates, self.results)79        else:80            return None, None81    def _select_winner(self, candidates, results):82        best_result = max(results)83        ind = results.index(best_result)84        return candidates[ind], best_result85    def _process(self, data_set, element_index):86        try:87            current_element = self.elements[element_index]88        except IndexError:89            # data_set is a result of process method90            # of the last element in the chain91            return [[]], [data_set]92        ret_candidates = []93        ret_results = []94        for i_params_set in current_element.params:95            obj = current_element.class_template(**i_params_set)96            LOGGER.debug("Start processing with: "+str(obj.__class__)+"("+str(i_params_set)+")")97            if self.gather_errors:98                try:99                    new_data_set = obj.process(data_set)100                except Exception, e:101                    self.errors.append(traceback.format_exc())102                else:103                    candidates, results = self._process(new_data_set, element_index + 1)104                    for i_cand in candidates:105                    # prepend to every list of candidate a current object106                        i_cand.insert(0, obj)107                    ret_candidates += candidates108                    ret_results += results109            else: #dont gather errors110                new_data_set = obj.process(data_set)111                candidates, results = self._process(new_data_set, element_index + 1)112                for i_cand in candidates:113                    # prepend to every list of candidate a current object114                    i_cand.insert(0, obj)115                ret_candidates += candidates116                ret_results += results117                118        return ret_candidates, ret_results119    def print_errors(self):120        print("****************************************************")121        print("*************** Start printing errors **************")122        for er in self.errors:123            print("*********** NEXT ERROR *****************")124            for l in er.splitlines():125                print(l)126        print("*************** End printing errors ****************")127        print("****************************************************")128    def print_candidate(self, candidate):129        print("****************************************************")130        print("*************** Start printing candidate ***********")131        for cnd in candidate:132            c = eval(str(cnd))133            print("****** next candidate **********")134            print("CLASS: "+c['CLASS'])135            for k, v in c.iteritems():136                print(k, ": ", v)137        print("*************** End printing candidate**************")138        print("****************************************************")139        140        ...

package_loader.py

Source:package_loader.py

1# Copyright (c) 2017-2018 The University of Manchester2#3# This program is free software: you can redistribute it and/or modify4# it under the terms of the GNU General Public License as published by5# the Free Software Foundation, either version 3 of the License, or6# (at your option) any later version.7#8# This program is distributed in the hope that it will be useful,9# but WITHOUT ANY WARRANTY; without even the implied warranty of10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the11# GNU General Public License for more details.12#13# You should have received a copy of the GNU General Public License14# along with this program.  If not, see <http://www.gnu.org/licenses/>.15import os16import sys17import traceback18def all_modules(directory, prefix, remove_pyc_files=False):19    """ List all the python files found in this directory giving then the\20        prefix.21    Any file that ends in either ``.py`` or ``.pyc`` is assume a python module22    and added to the result set.23    :param str directory: path to check for python files24    :param str prefix: package prefix top add to the file name25    :return: set of python package names26    :rtype: set(str)27    """28    results = set()29    for module in os.listdir(directory):30        if module == "__init__.py":31            results.add(prefix)32        elif module == "__init__.pyc":33            results.add(prefix)34            if remove_pyc_files:  # pragma: no cover35                full_path = os.path.join(directory, module)36                print("Deleting: " + full_path)37                os.remove(full_path)38        elif module[-3:] == ".py":39            results.add(prefix + "." + module[:-3])40        elif module[-4:] == ".pyc":41            results.add(prefix + "." + module[:-4])42            if remove_pyc_files:  # pragma: no cover43                full_path = os.path.join(directory, module)44                print("Deleting: " + full_path)45                os.remove(full_path)46        elif module != "__pycache__":47            full_path = os.path.join(directory, module)48            if os.path.isdir(full_path):49                results.update(all_modules(50                    full_path, prefix + "." + module, remove_pyc_files))51    return results52def load_modules(53        directory, prefix, remove_pyc_files=False, exclusions=None,54        gather_errors=True):55    """ Loads all the python files found in this directory, giving them the\56        specified prefix57    Any file that ends in either ``.py`` or ``.pyc`` is assume a python module58    and added to the result set.59    :param str directory: path to check for python files60    :param str prefix: package prefix top add to the file name61    :param bool remove_pyc_files: True if ``.pyc`` files should be deleted62    :param list(str) exclusions: a list of modules to exclude63    :param bool gather_errors:64        True if errors should be gathered, False to report on first error65    :return: None66    """67    if exclusions is None:68        exclusions = []69    modules = all_modules(directory, prefix, remove_pyc_files)70    errors = list()71    for module in modules:72        if module in exclusions:73            print("SKIPPING " + module)74            continue75        print(module)76        try:77            __import__(module)78        except Exception:  # pylint: disable=broad-except79            if gather_errors:80                errors.append((module, sys.exc_info()))81            else:82                raise83    for module, (exc_type, exc_value, exc_traceback) in errors:84        print("Error importing {}:".format(module))85        for line in traceback.format_exception(86                exc_type, exc_value, exc_traceback):87            for line_line in line.split("\n"):88                if line_line:89                    print("  ", line_line.rstrip())90    if errors:91        raise Exception("Error when importing, starting at {}".format(prefix))92def load_module(93        name, remove_pyc_files=False, exclusions=None, gather_errors=True):94    """ Loads this modules and all its children.95    :param str name: name of the modules96    :param bool remove_pyc_files: True if ``.pyc`` files should be deleted97    :param list(str) exclusions: a list of modules to exclude98    :param bool gather_errors:99        True if errors should be gathered, False to report on first error100    :return: None101    """102    if exclusions is None:103        exclusions = []104    module = __import__(name)105    path = module.__file__106    directory = os.path.dirname(path)107    load_modules(directory, name, remove_pyc_files, exclusions, gather_errors)108if __name__ == '__main__':  # pragma: no cover...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.