python类MIDDLEWARE_CLASSES的实例源码

def _security_middleware():
    return ("django.middleware.security.SecurityMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.middleware.security.SecurityMiddleware" in settings.MIDDLEWARE)

def _xframe_middleware():
    return ("django.middleware.clickjacking.XFrameOptionsMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.middleware.clickjacking.XFrameOptionsMiddleware" in settings.MIDDLEWARE)

def check_duplicate_middleware_settings(app_configs, **kwargs):
    if settings.MIDDLEWARE is not None and settings.MIDDLEWARE_CLASSES != global_settings.MIDDLEWARE_CLASSES:
        return [Warning(
            "The MIDDLEWARE_CLASSES setting is deprecated in Django 1.10 "
            "and the MIDDLEWARE setting takes precedence. Since you've set "
            "MIDDLEWARE, the value of MIDDLEWARE_CLASSES is ignored.",
            id='1_10.W001',
        )]
    return []

def _legacy_get_response(self, request):
        """
        Apply process_request() middleware and call the main _get_response(),
        if needed. Used only for legacy MIDDLEWARE_CLASSES.
        """
        response = None
        # Apply request middleware
        for middleware_method in self._request_middleware:
            response = middleware_method(request)
            if response:
                break

        if response is None:
            response = self._get_response(request)
        return response

def _csrf_middleware():
    return ("django.middleware.csrf.CsrfViewMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.middleware.csrf.CsrfViewMiddleware" in settings.MIDDLEWARE)

def _session_middleware():
    return ("django.contrib.sessions.middleware.SessionMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.contrib.sessions.middleware.SessionMiddleware" in settings.MIDDLEWARE)

def _security_middleware():
    return ("django.middleware.security.SecurityMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.middleware.security.SecurityMiddleware" in settings.MIDDLEWARE)

def _xframe_middleware():
    return ("django.middleware.clickjacking.XFrameOptionsMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.middleware.clickjacking.XFrameOptionsMiddleware" in settings.MIDDLEWARE)

def check_duplicate_middleware_settings(app_configs, **kwargs):
    if settings.MIDDLEWARE is not None and settings.MIDDLEWARE_CLASSES != global_settings.MIDDLEWARE_CLASSES:
        return [Warning(
            "The MIDDLEWARE_CLASSES setting is deprecated in Django 1.10 "
            "and the MIDDLEWARE setting takes precedence. Since you've set "
            "MIDDLEWARE, the value of MIDDLEWARE_CLASSES is ignored.",
            id='1_10.W001',
        )]
    return []

def _legacy_get_response(self, request):
        """
        Apply process_request() middleware and call the main _get_response(),
        if needed. Used only for legacy MIDDLEWARE_CLASSES.
        """
        response = None
        # Apply request middleware
        for middleware_method in self._request_middleware:
            response = middleware_method(request)
            if response:
                break

        if response is None:
            response = self._get_response(request)
        return response

def __init__(self, *args, **kwargs):
        # `NoCacheMiddlware` depends on `request.sso_user`, which comes from
        # `SSOUserMiddleware
        assert (
            'sso.middleware.SSOUserMiddleware' in settings.MIDDLEWARE_CLASSES
        )
        super().__init__(*args, **kwargs)

def test_autopatching_middleware_classes(self):
        ok_(django._datadog_patch)
        ok_('ddtrace.contrib.django' in settings.INSTALLED_APPS)
        eq_(settings.MIDDLEWARE_CLASSES[0], 'ddtrace.contrib.django.TraceMiddleware')
        eq_(settings.MIDDLEWARE_CLASSES[-1], 'ddtrace.contrib.django.TraceExceptionMiddleware')

def test_autopatching_twice_middleware_classes(self):
        ok_(django._datadog_patch)
        # Call django.setup() twice and ensure we don't add a duplicate tracer
        django.setup()

        found_app = settings.INSTALLED_APPS.count('ddtrace.contrib.django')
        eq_(found_app, 1)

        eq_(settings.MIDDLEWARE_CLASSES[0], 'ddtrace.contrib.django.TraceMiddleware')
        eq_(settings.MIDDLEWARE_CLASSES[-1], 'ddtrace.contrib.django.TraceExceptionMiddleware')

        found_mw = settings.MIDDLEWARE_CLASSES.count('ddtrace.contrib.django.TraceMiddleware')
        eq_(found_mw, 1)
        found_mw = settings.MIDDLEWARE_CLASSES.count('ddtrace.contrib.django.TraceExceptionMiddleware')
        eq_(found_mw, 1)

def test_autopatching_middleware(self):
        ok_(django._datadog_patch)
        ok_('ddtrace.contrib.django' in settings.INSTALLED_APPS)
        eq_(settings.MIDDLEWARE[0], 'ddtrace.contrib.django.TraceMiddleware')
        ok_('ddtrace.contrib.django.TraceMiddleware' not in settings.MIDDLEWARE_CLASSES)
        eq_(settings.MIDDLEWARE[-1], 'ddtrace.contrib.django.TraceExceptionMiddleware')
        ok_('ddtrace.contrib.django.TraceExceptionMiddleware' not in settings.MIDDLEWARE_CLASSES)

def test_user_info_with_non_django_auth(django_elasticapm_client, client):
    with override_settings(INSTALLED_APPS=[
        app for app in settings.INSTALLED_APPS
        if app != 'django.contrib.auth'
    ]) and override_settings(MIDDLEWARE_CLASSES=[
        m for m in settings.MIDDLEWARE_CLASSES
        if m != 'django.contrib.auth.middleware.AuthenticationMiddleware'
    ]):
        with pytest.raises(Exception):
            resp = client.get(reverse('elasticapm-raise-exc'))

    assert len(django_elasticapm_client.events) == 1
    event = django_elasticapm_client.events.pop(0)['errors'][0]
    assert event['context']['user'] == {}

def test_user_info_with_non_django_auth_django_2(django_elasticapm_client, client):
    with override_settings(INSTALLED_APPS=[
        app for app in settings.INSTALLED_APPS
        if app != 'django.contrib.auth'
    ]) and override_settings(MIDDLEWARE_CLASSES=None, MIDDLEWARE=[
        m for m in settings.MIDDLEWARE
        if m != 'django.contrib.auth.middleware.AuthenticationMiddleware'
    ]):
        with pytest.raises(Exception):
            resp = client.get(reverse('elasticapm-raise-exc'))

    assert len(django_elasticapm_client.events) == 1
    event = django_elasticapm_client.events.pop(0)['errors'][0]
    assert event['context']['user'] == {}

def test_user_info_without_auth_middleware(django_elasticapm_client, client):
    with override_settings(MIDDLEWARE_CLASSES=[
        m for m in settings.MIDDLEWARE_CLASSES
        if m != 'django.contrib.auth.middleware.AuthenticationMiddleware'
    ]):
        with pytest.raises(Exception):
            client.get(reverse('elasticapm-raise-exc'))
    assert len(django_elasticapm_client.events) == 1
    event = django_elasticapm_client.events.pop(0)['errors'][0]
    assert event['context']['user'] == {}

def test_user_info_without_auth_middleware_django_2(django_elasticapm_client, client):
    with override_settings(MIDDLEWARE_CLASSES=None, MIDDLEWARE=[
        m for m in settings.MIDDLEWARE
        if m != 'django.contrib.auth.middleware.AuthenticationMiddleware'
    ]):
        with pytest.raises(Exception):
            client.get(reverse('elasticapm-raise-exc'))
    assert len(django_elasticapm_client.events) == 1
    event = django_elasticapm_client.events.pop(0)['errors'][0]
    assert event['context']['user'] == {}

def _csrf_middleware():
    return ("django.middleware.csrf.CsrfViewMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.middleware.csrf.CsrfViewMiddleware" in settings.MIDDLEWARE)

def _session_middleware():
    return ("django.contrib.sessions.middleware.SessionMiddleware" in settings.MIDDLEWARE_CLASSES or
            settings.MIDDLEWARE and "django.contrib.sessions.middleware.SessionMiddleware" in settings.MIDDLEWARE)