How to use the bandit.core.issue.Issue function in bandit

def setUp(self):
        super(JsonFormatterTests, self).setUp()
        conf = config.BanditConfig()
        self.manager = manager.BanditManager(conf, 'file')
        (tmp_fd, self.tmp_fname) = tempfile.mkstemp()
        self.context = {'filename': self.tmp_fname,
                        'lineno': 4,
                        'linerange': [4]}
        self.check_name = 'hardcoded_bind_all_interfaces'
        self.issue = issue.Issue(bandit.MEDIUM, bandit.MEDIUM,
                                 'Possible binding to all interfaces.')

        self.candidates = [issue.Issue(bandit.LOW, bandit.LOW, 'Candidate A',
                                       lineno=1),
                           issue.Issue(bandit.HIGH, bandit.HIGH, 'Candiate B',
                                       lineno=2)]

        self.manager.out_file = self.tmp_fname

        self.issue.fname = self.context['filename']
        self.issue.lineno = self.context['lineno']
        self.issue.linerange = self.context['linerange']
        self.issue.test = self.check_name

        self.manager.results.append(self.issue)
        self.manager.metrics = metrics.Metrics()

        # mock up the metrics
        for key in ['_totals', 'binding.py']:

def _get_issue_instance(severity=bandit.MEDIUM, confidence=bandit.MEDIUM):
    new_issue = issue.Issue(severity, confidence, 'Test issue')
    new_issue.fname = 'code.py'
    new_issue.test = 'bandit_plugin'
    new_issue.lineno = 1
    return new_issue

def setUp(self):
        super(XmlFormatterTests, self).setUp()
        conf = config.BanditConfig()
        self.manager = manager.BanditManager(conf, 'file')
        (tmp_fd, self.tmp_fname) = tempfile.mkstemp()
        self.context = {'filename': self.tmp_fname,
                        'lineno': 4,
                        'linerange': [4]}
        self.check_name = 'hardcoded_bind_all_interfaces'
        self.issue = issue.Issue(bandit.MEDIUM, bandit.MEDIUM,
                                 'Possible binding to all interfaces.')
        self.manager.out_file = self.tmp_fname

        self.issue.fname = self.context['filename']
        self.issue.lineno = self.context['lineno']
        self.issue.linerange = self.context['linerange']
        self.issue.test = self.check_name

        self.manager.results.append(self.issue)

def _get_issue_instance(severity=bandit.MEDIUM, confidence=bandit.MEDIUM):
    new_issue = issue.Issue(severity, confidence, 'Test issue')
    new_issue.fname = 'code.py'
    new_issue.test = 'bandit_plugin'
    new_issue.lineno = 1
    return new_issue

def _get_issue_instance(severity=bandit.MEDIUM, confidence=bandit.MEDIUM):
    new_issue = issue.Issue(severity, confidence, 'Test issue')
    new_issue.fname = 'code.py'
    new_issue.test = 'bandit_plugin'
    new_issue.lineno = 1
    return new_issue

def setUp(self):
        super(JsonFormatterTests, self).setUp()
        conf = config.BanditConfig()
        self.manager = manager.BanditManager(conf, 'file')
        (tmp_fd, self.tmp_fname) = tempfile.mkstemp()
        self.context = {'filename': self.tmp_fname,
                        'lineno': 4,
                        'linerange': [4]}
        self.check_name = 'hardcoded_bind_all_interfaces'
        self.issue = issue.Issue(bandit.MEDIUM, bandit.MEDIUM,
                                 'Possible binding to all interfaces.')

        self.candidates = [issue.Issue(bandit.LOW, bandit.LOW, 'Candidate A',
                                       lineno=1),
                           issue.Issue(bandit.HIGH, bandit.HIGH, 'Candiate B',
                                       lineno=2)]

        self.manager.out_file = self.tmp_fname

        self.issue.fname = self.context['filename']
        self.issue.lineno = self.context['lineno']
        self.issue.linerange = self.context['linerange']
        self.issue.test = self.check_name

        self.manager.results.append(self.issue)
        self.manager.metrics = metrics.Metrics()

        # mock up the metrics
        for key in ['_totals', 'binding.py']:
            self.manager.metrics.data[key] = {'loc': 4, 'nosec': 2}
            for (criteria, default) in constants.CRITERIA:

def _get_issue_instance(severity=bandit.MEDIUM, confidence=bandit.MEDIUM):
    new_issue = issue.Issue(severity, confidence, 'Test issue')
    new_issue.fname = 'code.py'
    new_issue.test = 'bandit_plugin'
    new_issue.test_id = 'B999'
    new_issue.lineno = 1
    return new_issue

def issue_from_dict(data):
    i = Issue(severity=data["issue_severity"])
    i.from_dict(data)
    return i