def test_solvers(options=None, argv=None):
    """
    The is the function executed by the command
        pyomo test-solvers [solver ...]
    """
    global rootdir
    rootdir = os.getcwd()
    if argv is None:
        if options.debug:
            if len(options.solver) == 0:
                print("Testing all solvers")
            else:
                print("Testing solver", options.solver[0])
        # Over-ride the value of sys.argv, which is used by unittest.main()
        sys.argv=['test_solver']
    else:
        sys.argv=argv
    # Create the tests defined in the YAML configuration file
    autotest_options = Options()
    autotest_options.testname_format = "%s_TEST_%s"
    pyutilib.autotest.create_test_suites(filename=currdir+'test_solvers.yml', _globals=globals(), options=autotest_options)
    # Execute the tests, using a custom test runner
    runner = SolverTestRunner()
    runner.options = options
    unittest.main(module=globals()['__name__'], testRunner=runner)

def help_environment():
    cmddir = os.path.dirname(os.path.abspath(sys.executable))+os.sep
    info = Options()
    #
    info.python = Options()
    info.python.version = '%d.%d.%d' % sys.version_info[:3]
    info.python.executable = sys.executable
    info.python.platform = sys.platform
    try:
        packages = []
        import pip
        for package in pip.get_installed_distributions():
            packages.append( Options(name=package.project_name, version=package.version) )
        info.python.packages = packages
    except:
        pass
    #
    info.environment = Options()
    path = os.environ.get('PATH', None)
    if not path is None:
        info.environment['shell path'] = path.split(os.pathsep)
    info.environment['python path'] = sys.path
    #
    print('#')
    print('# Information About the Python and Shell Environment')
    print('#')
    print(str(info))

def create_test_suites(filename=None, config=None, _globals=None, options=None):
    if options is None:  #pragma:nocover
        options = Options()
    #
    # Add categories specified by the PYUTILIB_AUTOTEST_CATEGORIES
    # or PYUTILIB_UNITTEST_CATEGORIES environments
    #
    if options is None or options.categories is None or len(
            options.categories) == 0:
        options.categories = set()
        if 'PYUTILIB_AUTOTEST_CATEGORIES' in os.environ:
            for cat in re.split(',',
                                os.environ['PYUTILIB_AUTOTEST_CATEGORIES']):
                if cat != '':
                    options.categories.add(cat.strip())
        elif 'PYUTILIB_UNITTEST_CATEGORIES' in os.environ:
            for cat in re.split(',',
                                os.environ['PYUTILIB_UNITTEST_CATEGORIES']):
                if cat != '':
                    options.categories.add(cat.strip())
    #
    if not filename is None:
        if options.currdir is None:
            options.currdir = dirname(abspath(filename)) + os.sep
        #
        ep = ExtensionPoint(plugins.ITestParser)
        ftype = os.path.splitext(filename)[1]
        if not ftype == '':
            ftype = ftype[1:]
        service = ep.service(ftype)
        if service is None:
            raise IOError(
                "Unknown file type.  Cannot load test configuration from file '%s'"
                % filename)
        config = service.load_test_config(filename)
    #service.print_test_config(config)
    validate_test_config(config)
    #
    # Evaluate Python expressions
    #
    for item in config.get('python', []):
        try:
            exec(item, _globals)
        except Exception:
            err = sys.exc_info()[1]
            print("ERROR executing '%s'" % item)
            print("  Exception: %s" % str(err))
    #
    # Create test driver, which is put in the global namespace
    #
    driver = plugins.TestDriverFactory(config['driver'])
    if driver is None:
        raise IOError("Unexpected test driver '%s'" % config['driver'])
    _globals["test_driver"] = driver
    #
    # Generate suite
    #
    for suite in config.get('suites', {}):
        create_test_suite(suite, config, _globals, options)

class PyomoDataCommands(Plugin):

    alias("dat", "Pyomo data command file interface")

    implements(IDataManager, service=False)

    def __init__(self):
        self._info = []
        self.options = Options()

    def available(self):
        return True

    def initialize(self, **kwds):
        self.filename = kwds.pop("filename")
        self.add_options(**kwds)

    def add_options(self, **kwds):
        self.options.update(kwds)

    def open(self):
        if self.filename is None:  # pragma:nocover
            raise IOError("No filename specified")
        if not os.path.exists(self.filename):  # pragma:nocover
            raise IOError("Cannot find file '%s'" % self.filename)

    def close(self):
        pass

    def read(self):
        """
        This function does nothing, since executing Pyomo data commands
        both reads and processes the data all at once.
        """
        pass

    def write(self, data):  # pragma:nocover
        """
        This function does nothing, because we cannot write to a *.dat file.
        """
        pass

    def process(self, model, data, default):
        """
        Read Pyomo data commands and process the data.
        """
        _process_include(["include", self.filename], model, data, default, self.options)

    def clear(self):
        self._info = []

 def __init__(self):
     """
     Constructor
     """
     self._info=None
     self._data=None
     self.options = Options()
     self.options.ncolumns = 1

def configure_loggers(options=None, reset=False):
    if reset:
        options = Options()
        options.runtime = Options()
        options.runtime.logging = 'quiet'
        logging.getLogger('pyomo.core').handlers = []
        logging.getLogger('pyomo').handlers = []
        logging.getLogger('pyutilib').handlers = []
    #
    # Configure the logger
    #
    if options.runtime is None:
        options.runtime = Options()
    if options.runtime.logging == 'quiet':
        logging.getLogger('pyomo.opt').setLevel(logging.ERROR)
        logging.getLogger('pyomo.core').setLevel(logging.ERROR)
        logging.getLogger('pyomo').setLevel(logging.ERROR)
        logging.getLogger('pyutilib').setLevel(logging.ERROR)
    elif options.runtime.logging == 'warning':
        logging.getLogger('pyomo.opt').setLevel(logging.WARNING)
        logging.getLogger('pyomo.core').setLevel(logging.WARNING)
        logging.getLogger('pyomo').setLevel(logging.WARNING)
        logging.getLogger('pyutilib').setLevel(logging.WARNING)
    elif options.runtime.logging == 'info':
        logging.getLogger('pyomo.opt').setLevel(logging.INFO)
        logging.getLogger('pyomo.core').setLevel(logging.INFO)
        logging.getLogger('pyomo').setLevel(logging.INFO)
        logging.getLogger('pyutilib').setLevel(logging.INFO)
    elif options.runtime.logging == 'verbose':
        logger.setLevel(logging.DEBUG)
        logging.getLogger('pyomo').setLevel(logging.DEBUG)
        logging.getLogger('pyutilib').setLevel(logging.DEBUG)
    elif options.runtime.logging == 'debug':
        logging.getLogger('pyomo.opt').setLevel(logging.DEBUG)
        logging.getLogger('pyomo.core').setLevel(logging.DEBUG)
        logging.getLogger('pyomo').setLevel(logging.DEBUG)
        logging.getLogger('pyutilib').setLevel(logging.DEBUG)
    if options.runtime.logfile:
        logging.getLogger('pyomo.opt').handlers = []
        logging.getLogger('pyomo.core').handlers = []
        logging.getLogger('pyomo').handlers = []
        logging.getLogger('pyutilib').handlers = []
        logging.getLogger('pyomo.core').addHandler( logging.FileHandler(options.runtime.logfile, 'w'))
        logging.getLogger('pyomo').addHandler( logging.FileHandler(options.runtime.logfile, 'w'))
        logging.getLogger('pyutilib').addHandler( logging.FileHandler(options.runtime.logfile, 'w'))

 def setUp(self, testcase, options):
     global tmpdir
     tmpdir = os.getcwd()
     os.chdir(options.currdir)
     pyutilib.services.TempfileManager.push()
     pyutilib.services.TempfileManager.sequential_files(0)
     pyutilib.services.TempfileManager.tempdir = options.currdir
     #
     if ':' in options.solver:
         solver, sub_solver = options.solver.split(':')
         if options.solver_options is None:
             _options = Options()
         else:
             _options = options.solver_options
         _options.solver = sub_solver
         testcase.opt = pyomo.opt.SolverFactory(solver, options=_options)
     else:
         testcase.opt = pyomo.opt.SolverFactory(options.solver, options=options.solver_options)
     if testcase.opt is None or not testcase.opt.available(False):
         testcase.skipTest('Solver %s is not available' % options.solver)

def initialize(**kwds):
    obj = Options(**kwds)
    #
    # Set obj.available
    #
    opt = None
    try:
        opt = SolverFactory(obj.name, solver_io=obj.io)
    except:
        pass
    if opt is None or isinstance(opt, UnknownSolver):
        obj.available = False
    elif (obj.name == "gurobi") and (not GUROBISHELL.license_is_valid()):
        obj.available = False
    elif (obj.name == "baron") and (not BARONSHELL.license_is_valid()):
        obj.available = False
    else:
        obj.available = (opt.available(exception_flag=False)) and (
            (not hasattr(opt, "executable")) or (opt.executable() is not None)
        )
    #
    # Check capabilities
    #
    if obj.available:
        for _c in obj.capabilities:
            if not _c in opt._capabilities:
                raise ValueError("Solver %s does not support capability %s!" % (obj.name, _c))
        #
        # Get version
        #
        obj.version = opt.version()
    return obj

    def test_t1(self):
        # Run a simple model
        model = ConcreteModel()
        model.A = RangeSet(1,4)
        model.x = Var(model.A, bounds=(-1,1))
        def obj_rule(model):
            return sum_product(model.x)
        model.obj = Objective(rule=obj_rule)
        def c_rule(model):
            expr = 0
            for i in model.A:
                expr += i*model.x[i]
            return expr == 0
        model.c = Constraint(rule=c_rule)

        #
        data = Options()
        data.suffixes = {}
        data.solver_options = {}
        data.warmstart_filename = None
        data.filename = currdir+'t1.lp'
        model.write(data['filename'])
        INPUT = open(data['filename'],'r')
        data['file'] = INPUT.read()
        INPUT.close()
        data['opt'] = 'glpk'
        data.kwds = {}
        #
        results = self.worker.process(data)

        # Decode, evaluate and unpickle results
        if using_pyro4:
            # These two conversions are in place to unwrap
            # the hacks placed in the pyro_mip_server
            # before transmitting the results
            # object. These hacks are put in place to
            # avoid errors when transmitting the pickled
            # form of the results object with the default Pyro4
            # serializer (Serpent)
            if six.PY3:
                results = base64.decodebytes(
                    ast.literal_eval(results))
            else:
                results = base64.decodestring(results)

        results = pickle.loads(results)

        #
        results.write(filename=currdir+"t1.out", format='json')
        self.assertMatchesJsonBaseline(currdir+"t1.out",currdir+"t1.txt", tolerance=1e-4)
        self.assertEqual(results._smap_id, None)
        os.remove(data['filename'])

class JSONDictionary(Plugin):

    alias("json", "JSON file interface")

    implements(IDataManager, service=False)

    def __init__(self):
        self._info = {}
        self.options = Options()

    def available(self):
        return True

    def initialize(self, **kwds):
        self.filename = kwds.pop('filename')
        self.add_options(**kwds)

    def add_options(self, **kwds):
        self.options.update(kwds)

    def open(self):
        if self.filename is None:
            raise IOError("No filename specified")

    def close(self):
        pass

    def read(self):
        """
        This function loads data from a JSON file and tuplizes the nested
        dictionaries and lists of lists.
        """
        if not os.path.exists(self.filename):
            raise IOError("Cannot find file '%s'" % self.filename)
        INPUT = open(self.filename, 'r')
        jdata = json.load(INPUT)
        INPUT.close()
        if jdata is None or len(jdata) == 0:
            raise IOError("Empty JSON data file")
        self._info = {}
        for k,v in jdata.items():
            self._info[k] = tuplize(v)

    def write(self, data):
        """
        This function creates a JSON file for the specified data.
        """
        with open(self.filename, 'w') as OUTPUT:
            jdata = {}
            if self.options.data is None:
                for k,v in data.items():
                    jdata[k] = detuplize(v)
            elif type(self.options.data) in (list, tuple):
                for k in self.options.data:
                    jdata[k] = detuplize(data[k])
            else:
                k = self.options.data
                jdata[k] = detuplize(data[k])
            json.dump(jdata, OUTPUT)

    def process(self, model, data, default):
        """
        Set the data for the selected components
        """
        if not self.options.namespace in data:
            data[self.options.namespace] = {}
        #
        try:
            if self.options.data is None:
                for key in self._info:
                    self._set_data(data, self.options.namespace, key, self._info[key])
            elif type(self.options.data) in (list, tuple):
                for key in self.options.data:
                    self._set_data(data, self.options.namespace, key, self._info[key])
            else:
                key = self.options.data
                self._set_data(data, self.options.namespace, key, self._info[key])
        except KeyError:
            raise IOError("Data value for '%s' is not available in JSON file '%s'" % (key, self.filename))

    def _set_data(self, data, namespace, name, value):
        if type(value) is dict:
            data[namespace][name] = value
        else:
            data[namespace][name] = {None: value}

    def clear(self):
        self._info = {}

# Objective
#model.obj = Objective(expr = math.sqrt(((model.p - model.x)**2) + ((model.q - model.y)**2)))
model.obj = Objective(expr = (((model.p - model.x)**2) + ((model.q - model.y)**2))**0.5)

# Constraints
model.KeineAhnung = Constraint(expr = ((model.x / model.length)**2) + ((model.y / model.width)**2) - 1 >= 0)

model.pprint()

model.skip_canonical_repn = True # for nonlinear models

instance=model.create()

SolverName = "asl"
so = Options()
so.solver = "ipopt"
opt=SolverFactory(SolverName, options=so)

if opt is None:
    print("Could not construct solver %s : %s" % (SolverName, so.solver))
    sys.exit(1)

results=opt.solve(instance)
results.write()
instance.load(results) # put results in model

# because we know there is a variable named x
x_var = getattr(instance, "x")
x_val = x_var()

def pyomo_create_model(options=None, model_options=None):
    if model_options is None:
        model_options = Options()
    if model_options.type is None:
        model_options.type = 'fixed_set_size'
    #
    # m - number of elements
    #
    m = 100 if model_options.m is None else model_options.m
    #
    # n - number of sets
    #
    n = 200 if model_options.n is None else model_options.n
    seed = 9090 if model_options.seed is None else model_options.seed
    random.seed(9090)
    #
    if model_options.type == 'fixed_set_size':
        #
        # p   - fixed number elements per set
        # rho - fixed fraction of elements per set
        #
        p = model_options.p
        if p is None:
            if model_options.rho is None:
                p = int(math.ceil(m * 0.7))
            else:
                p = int(math.ceil(m * model_options.rho))
        #
        def S_rule(model):
            ans = set()
            for j in xrange(1,n+1):
                tmp = list(range(1,m+1))
                random.shuffle( tmp )
                for i in range(0,p):
                    ans.add( (tmp[i], j) )
            return ans
    elif model_options.type == 'fixed_element_coverage':
        #
        # p   - fixed number of sets that cover each element
        # rho - fixed fraction of sets that cover each element
        #
        p = model_options.p
        if p is None:
            if model_options.rho is None:
                p = int(math.ceil(n * 0.4))
            else:
                p = int(math.ceil(n * model_options.rho))
        #
        def S_rule(model):
            ans = set()
            for i in xrange(1,m+1):
                tmp = list(range(1,n+1))
                random.shuffle( tmp )
                for j in range(0,p):
                    ans.add( (i, tmp[j]) )
            return ans
    elif model_options.type == 'fixed_probability':
        #
        # rho - probability of selecting element for a set
        #
        rho = 0.3 if model_options.rho is None else model_options.rho
        #
        def S_rule(model):
            ans = set()
            for j in xrange(1,n+1):
                for i in xrange(1,m+1):
                    if random.uniform(0,1) < rho:
                        ans.add( (i, j) )
            return ans
    elif model_options.type == 'fixed_fill':
        #
        # rho - |S|/(I*J)
        #
        rho = 0.3 if model_options.rho is None else model_options.rho
        #
        def S_rule(model):
            ans = set()
            for j in xrange(1,n+1):
                for i in xrange(1,m+1):
                    if random.uniform(0,1) < rho:
                        ans.add( (i, j) )
            return ans
    #
    # CREATE MODEL
    #
    model = ConcreteModel()
    #
    # (i,j) in S if element i in set j
    #
    model.S = Set(dimen=2, initialize=S_rule)
    #
    # Dynamically create the I and J index sets, since
    # some rows or columns of S may not be populated.
    #
    def I_rule(model):
        return set((i for (i,j) in model.S))
    model.I = Set(initialize=I_rule)
    def J_rule(model):
        return set((j for (i,j) in model.S))
    model.J = Set(initialize=J_rule)
#.........这里部分代码省略.........

            #return Constraint.Skip
        return expr >= 1
    model.cover = Constraint(model.I, rule=cover_rule)

    #
    print_model_stats(model_options, model)
    return model

def test_model(options=None):
    model = pyomo_create_model(model_options=options)
    #print_model_stats(options, model)

if __name__ == '__main__':
    test_model()
    #
    options = Options()
    options.type = 'fixed_set_size'
    options.m = 11
    options.n = 21
    options.rho = 0.3
    test_model(options)
    #
    options = Options()
    options.type = 'fixed_element_coverage'
    test_model(options)
    #
    options = Options()
    options.m = 100
    options.n = 200
    options.type = 'fixed_probability'
    test_model(options)

        self.model.x = Var()

    def compare(self):
        S = Pyomo2FuncDesigner(self.model)
        self.assertAlmostEqual(self.model.f(), S.f(S.initial_point))

    def tearDown(self):
        self.model = None


@unittest.nottest
def expr_test(self, name):
    options = self.get_options(name)
    self.model.x.value = options.x
    if name == 'pow':
        self.model.f = Objective(expr=options.fn(self.model.x, 2))
    else:
        self.model.f = Objective(expr=options.fn(self.model.x))
    self.compare()
    


for i in range(len(fns)):
    options = Options()
    options.fn = fns[i]
    options.x  = xs[i]
    Tests.add_fn_test(fn=expr_test, name=fns[i].__name__, options=options)    

if __name__ == "__main__":
    unittest.main()

def create_test_suite(suite, config, _globals, options):
    #
    # Skip suite creation if the options categores do not intersect with the list of test suite categories
    #
    if len(options.categories) > 0:
        flag = False
        for cat in options.categories:
            if cat in config['suites'][suite].get('categories',[]):
                flag = True
                break
        if not flag:
            return
    #
    # Create test driver
    #
    if suite in _globals:
        raise IOError("Cannot create suite '%s' since there is another symbol with that name in the global namespace!" % suite)
    def setUpClassFn(cls):
        options = cls._options[None]
        cls._test_driver.setUpClass(cls,options)
    _globals[suite] = type(str(suite),(unittest.TestCase,),{'setUpClass': classmethod(setUpClassFn)})
    _globals[suite]._options[None] = options
    setattr(_globals[suite],'_test_driver', _globals['test_driver'])
    setattr(_globals[suite],'suite_categories', config['suites'][suite].get('categories',[]))
    #
    # Create test functions
    #
    tests = []
    if 'tests' in config['suites'][suite]:
        for item in config['suites'][suite]['tests']:
            tests.append( (item['solver'], item['problem'], item) )
    else:
        for solver in config['suites'][suite]['solvers']:
            for problem in config['suites'][suite]['problems']:
                tests.append( (solver, problem, {}) )
    #
    for solver, problem, item in tests:
        ##sname = solver
        if options.testname_format is None:
            test_name = solver+"_"+problem
        else:
            test_name = options.testname_format % (solver, problem)
        #
        def fn(testcase, name, suite):
            options = testcase._options[suite,name]
            fn.test_driver.setUp(testcase, options)
            ans = fn.test_driver.run_test(testcase, name, options)
            fn.test_driver.tearDown(testcase, options)
            return ans
        fn.test_driver = _globals['test_driver']
        #
        _options = Options()
        #
        problem_options = config['suites'][suite]['problems'][problem]
        if not problem_options is None and 'problem' in problem_options:
            _problem = problem_options['problem']
        else:
            _problem = problem
        for attr,value in config['problems'].get(_problem,{}).items():
            _options[attr] = _str(value)
        if not problem_options is None:
            for attr,value in problem_options.items():
                _options[attr] = _str(value)
        #
        solver_options = config['suites'][suite]['solvers'][solver]
        if not solver_options is None and 'solver' in solver_options:
            _solver = solver_options['solver']
        else:
            _solver = solver
        _name = _solver
        for attr,value in config['solvers'].get(_solver,{}).items():
            _options[attr] = _str(value)
            if attr == 'name':
                _name = value
        if not solver_options is None:
            for attr,value in solver_options.items():
                _options[attr] = _str(value)
        #
        for key in item:
            if key not in ['problem','solver']:
                _options[key] = _str(item[key])
        #
        _options.solver = _str(_name)
        _options.problem = _str(_problem)
        _options.suite = _str(suite)
        _options.currdir = _str(options.currdir)
        #
        _globals[suite].add_fn_test(name=test_name, fn=fn, suite=suite, options=_options)

class JSONDictionary(object):

    def __init__(self):
        self._info = {}
        self.options = Options()

    def available(self):
        return True

    def initialize(self, **kwds):
        self.filename = kwds.pop('filename')
        self.add_options(**kwds)

    def add_options(self, **kwds):
        self.options.update(kwds)

    def open(self):
        if self.filename is None:
            raise IOError("No filename specified")

    def close(self):
        pass

    def read(self):
        """
        This function loads data from a JSON file and tuplizes the nested
        dictionaries and lists of lists.
        """
        if not os.path.exists(self.filename):
            raise IOError("Cannot find file '%s'" % self.filename)
        INPUT = open(self.filename, 'r')
        if six.PY2 and self.options.convert_unicode:
            def _byteify(data, ignore_dicts=False):
                if isinstance(data, six.text_type):
                    return data.encode('utf-8') 
                if isinstance(data, list):
                    return [ _byteify(item, True) for item in data ]
                if isinstance(data, dict) and not ignore_dicts:
                    return dict( (_byteify(key, True), _byteify(value, True)) for (key, value) in data.iteritems() )
                return data
            jdata = json.load(INPUT, object_hook=_byteify)
        else:
            jdata = json.load(INPUT)
        INPUT.close()
        if jdata is None or len(jdata) == 0:
            raise IOError("Empty JSON data file")
        self._info = {}
        for k,v in jdata.items():
            self._info[k] = tuplize(v)

    def write(self, data):
        """
        This function creates a JSON file for the specified data.
        """
        with open(self.filename, 'w') as OUTPUT:
            jdata = {}
            if self.options.data is None:
                for k,v in data.items():
                    jdata[k] = detuplize(v)
            elif type(self.options.data) in (list, tuple):
                for k in self.options.data:
                    jdata[k] = detuplize(data[k], sort=self.options.sort)
            else:
                k = self.options.data
                jdata[k] = detuplize(data[k])
            json.dump(jdata, OUTPUT)

    def process(self, model, data, default):
        """
        Set the data for the selected components
        """
        if not self.options.namespace in data:
            data[self.options.namespace] = {}
        #
        try:
            if self.options.data is None:
                for key in self._info:
                    self._set_data(data, self.options.namespace, key, self._info[key])
            elif type(self.options.data) in (list, tuple):
                for key in self.options.data:
                    self._set_data(data, self.options.namespace, key, self._info[key])
            else:
                key = self.options.data
                self._set_data(data, self.options.namespace, key, self._info[key])
        except KeyError:
            raise IOError("Data value for '%s' is not available in JSON file '%s'" % (key, self.filename))

    def _set_data(self, data, namespace, name, value):
        if type(value) is dict:
            data[namespace][name] = value
        else:
            data[namespace][name] = {None: value}

    def clear(self):
        self._info = {}

 def __init__(self):
     self._info = {}
     self.options = Options()

class TableData(object):
    """
    A class used to read/write data from/to a table in an external
    data source.
    """

    def __init__(self):
        """
        Constructor
        """
        self._info=None
        self._data=None
        self.options = Options()
        self.options.ncolumns = 1

    def available(self):
        """
        Returns:
            Return :const:`True` if the data manager is available.
        """
        return True

    def initialize(self, **kwds):
        """
        Initialize the data manager with keyword arguments.

        The `filename` argument is recognized here, and other arguments
        are passed to the :func:`add_options` method.
        """
        self.filename = kwds.pop('filename')
        self.add_options(**kwds)

    def add_options(self, **kwds):
        """
        Add the keyword options to the :class:`Options` object in this
        object.
        """
        self.options.update(kwds)

    def open(self):                        #pragma:nocover
        """
        Open the data manager.
        """
        pass

    def read(self):                         #pragma:nocover
        """
        Read data from the data manager.
        """
        return False

    def write(self, data):                  #pragma:nocover
        """
        Write data to the data manager.
        """
        return False

    def close(self):                        #pragma:nocover
        """
        Close the data manager.
        """
        pass

    def process(self, model, data, default):
        """
        Process the data that was extracted from this data manager and
        return it.
        """
        if model is None:
            model = self.options.model
        if not self.options.namespace in data:
            data[self.options.namespace] = {}
        return _process_data(
          self._info,
          model,
          data[self.options.namespace],
          default,
          self.filename,
          index=self.options.index,
          set=self.options.set,
          param=self.options.param,
          ncolumns = self.options.ncolumns)

    def clear(self):
        """
        Clear the data that was extracted from this table
        """
        self._info = None

    def _set_data(self, headers, rows):
        from pyomo.core.base.sets import Set
        from pyomo.core.base.param import Param

        header_index = []
        if self.options.select is None:
            for i in xrange(len(headers)):
                header_index.append(i)
        else:
            for i in self.options.select:
                try:
#.........这里部分代码省略.........

class TableData(Plugin):
    """
    An object that imports data from a table in an external data source.
    """

    implements(IDataManager, service=False)

    def __init__(self):
        """
        Constructor
        """
        self._info=None
        self._data=None
        self.options = Options()
        self.options.ncolumns = 1

    def available(self):
        return True

    def initialize(self, **kwds):
        self.filename = kwds.pop('filename')
        self.add_options(**kwds)

    def add_options(self, **kwds):
        self.options.update(kwds)

    def open(self):                        #pragma:nocover
        """
        Open the table
        """
        pass

    def read(self):                         #pragma:nocover
        """
        Read data from the table
        """
        return False

    def write(self, data):                  #pragma:nocover
        """
        Write data from the table
        """
        return False

    def close(self):                        #pragma:nocover
        """
        Close the table
        """
        pass

    def process(self, model, data, default):
        """
        Return the data that was extracted from this table
        """
        if model is None:
            model = self.options.model
        if not self.options.namespace in data:
            data[self.options.namespace] = {}
        return _process_data(
          self._info,
          model,
          data[self.options.namespace],
          default,
          self.filename,
          index=self.options.index,
          set=self.options.set,
          param=self.options.param,
          ncolumns = self.options.ncolumns)

    def clear(self):
        """
        Clear the data that was extracted from this table
        """
        self._info = None

    def _set_data(self, headers, rows):
        header_index = []
        if self.options.select is None:
            for i in xrange(len(headers)):
                header_index.append(i)
        else:
            for i in self.options.select:
                header_index.append(headers.index(str(i)))
        self.options.ncolumns = len(headers)

        if not self.options.param is None:
            if not type(self.options.param) in (list, tuple):
                self.options.param = (self.options.param,)
            _params = []
            for p in self.options.param:
                if isinstance(p, Param):
                    self.options.model = p.model()
                    _params.append(p.local_name)
                else:
                    _params.append(p)
            self.options.param = tuple(_params)

        if isinstance(self.options.set, Set):
            self.options.model = self.options.set.model()
            self.options.set = self.options.set.local_name
#.........这里部分代码省略.........

#.........这里部分代码省略.........
        dest='help_tests',
        default=None,
        help='Print the tests in the specified test suite')
    #
    parser.add_option('--help-categories',
        action='store_true',
        dest='help_categories',
        default=False,
        help='Print the test suite categories that can be specified')
    #
    # Parse the argument list and print help info if needed
    #
    _options, args = parser.parse_args(sys.argv)
    if _options.help:
        parser.print_help()

        print("""
Examples:
  %s                               - run all test suites
  %s MyTestCase.testSomething      - run MyTestCase.testSomething
  %s MyTestCase                    - run all 'test*' test methods
                                               in MyTestCase
""" % (args[0],args[0],args[0]))
        return
    #
    # If no value for _globals is specified, then we use the current context.
    #
    if _globals is None:
        _globals=globals()
    #
    # Setup and Options object and create test suites from the specified
    # configuration files.
    #
    options = Options()
    options.debug = _options.debug
    options.verbose = _options.verbose
    options.quiet = _options.quiet
    options.categories = _options.categories
    _argv = []
    for arg in args[1:]:
        if os.path.exists(arg):
            create_test_suites(filename=arg, _globals=_globals, options=options)
        else:
            _argv.append(arg)
    #
    # Collect information about the test suites:  suite names and categories
    #
    suites = []
    categories = set()
    for key in _globals.keys():
        if type(_globals[key]) is type and issubclass(_globals[key], unittest.TestCase):
            suites.append(key)
            for c in _globals[key].suite_categories:
                categories.add(c)
    #
    # Process the --help-tests option
    #
    if _options.help_tests and not _globals is None:
        suite = _globals.get(_options.help_tests, None)
        if not type(suite) is type:
            print("Test suite '%s' not found!" % str(_options.help_tests))
            return cleanup(_globals, suites)
        tests = []
        for item in dir(suite):
            if item.startswith('test'):
                tests.append(item)