def test_dotted_names_from_app(self):
app = flask.Flask(__name__)
app.testing = True
test = flask.Blueprint('test', __name__)
@app.route('/')
def app_index():
return flask.url_for('test.index')
@test.route('/test/')
def index():
return flask.url_for('app_index')
app.register_blueprint(test)
with app.test_client() as c:
rv = c.get('/')
self.assert_equal(rv.data, b'/test/')
python类Blueprint()的实例源码
def register(cls, api):
"""
Add this class as a resource to the flask app/blueprint.
:param flask.Blueprint or flask.Flask api: API to add this class to as a MethodView.
"""
view_func = cls.as_view(cls.__name__)
# Route for Model details by identifier (Read, Update, Delete by identifier)
# kwargs conversion to flask with int converter. This is a bit ugly.
# http://flask.pocoo.org/docs/0.12/api/#url-route-registrations
details_endpoint = cls.schema.opts.self_url.format(id='<int:model_id>')
api.add_url_rule(details_endpoint, view_func=view_func, methods=('DELETE', 'GET', 'PATCH'))
# Route for Model Resource without identifier (Create, and possibly Read list)
methods = ['POST']
if cls.schema.opts.listable:
methods.append('GET')
api.add_url_rule(cls.schema.opts.self_url_many, view_func=view_func, methods=methods)
def date(dttm):
return dttm.strftime('%Y-%m-%d')
########
# Config
########
# Automatically called once when the Blueprint is registered on the app.
def _create_blueprint(self):
bp = Blueprint('oauth2', __name__)
bp.add_url_rule('/oauth2authorize', 'authorize', self.authorize_view)
bp.add_url_rule('/oauth2callback', 'callback', self.callback_view)
return bp
def test_blueprint_specific_error_handling(self):
frontend = flask.Blueprint('frontend', __name__)
backend = flask.Blueprint('backend', __name__)
sideend = flask.Blueprint('sideend', __name__)
@frontend.errorhandler(403)
def frontend_forbidden(e):
return 'frontend says no', 403
@frontend.route('/frontend-no')
def frontend_no():
flask.abort(403)
@backend.errorhandler(403)
def backend_forbidden(e):
return 'backend says no', 403
@backend.route('/backend-no')
def backend_no():
flask.abort(403)
@sideend.route('/what-is-a-sideend')
def sideend_no():
flask.abort(403)
app = flask.Flask(__name__)
app.register_blueprint(frontend)
app.register_blueprint(backend)
app.register_blueprint(sideend)
@app.errorhandler(403)
def app_forbidden(e):
return 'application itself says no', 403
c = app.test_client()
self.assert_equal(c.get('/frontend-no').data, b'frontend says no')
self.assert_equal(c.get('/backend-no').data, b'backend says no')
self.assert_equal(c.get('/what-is-a-sideend').data, b'application itself says no')
def test_blueprint_url_processors(self):
bp = flask.Blueprint('frontend', __name__, url_prefix='/<lang_code>')
@bp.url_defaults
def add_language_code(endpoint, values):
values.setdefault('lang_code', flask.g.lang_code)
@bp.url_value_preprocessor
def pull_lang_code(endpoint, values):
flask.g.lang_code = values.pop('lang_code')
@bp.route('/')
def index():
return flask.url_for('.about')
@bp.route('/about')
def about():
return flask.url_for('.index')
app = flask.Flask(__name__)
app.register_blueprint(bp)
c = app.test_client()
self.assert_equal(c.get('/de/').data, b'/de/about')
self.assert_equal(c.get('/de/about').data, b'/de/')
def test_empty_url_defaults(self):
bp = flask.Blueprint('bp', __name__)
@bp.route('/', defaults={'page': 1})
@bp.route('/page/<int:page>')
def something(page):
return str(page)
app = flask.Flask(__name__)
app.register_blueprint(bp)
c = app.test_client()
self.assert_equal(c.get('/').data, b'1')
self.assert_equal(c.get('/page/2').data, b'2')
def test_route_decorator_custom_endpoint(self):
bp = flask.Blueprint('bp', __name__)
@bp.route('/foo')
def foo():
return flask.request.endpoint
@bp.route('/bar', endpoint='bar')
def foo_bar():
return flask.request.endpoint
@bp.route('/bar/123', endpoint='123')
def foo_bar_foo():
return flask.request.endpoint
@bp.route('/bar/foo')
def bar_foo():
return flask.request.endpoint
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
@app.route('/')
def index():
return flask.request.endpoint
c = app.test_client()
self.assertEqual(c.get('/').data, b'index')
self.assertEqual(c.get('/py/foo').data, b'bp.foo')
self.assertEqual(c.get('/py/bar').data, b'bp.bar')
self.assertEqual(c.get('/py/bar/123').data, b'bp.123')
self.assertEqual(c.get('/py/bar/foo').data, b'bp.bar_foo')
def test_template_filter(self):
bp = flask.Blueprint('bp', __name__)
@bp.app_template_filter()
def my_reverse(s):
return s[::-1]
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('my_reverse', app.jinja_env.filters.keys())
self.assert_equal(app.jinja_env.filters['my_reverse'], my_reverse)
self.assert_equal(app.jinja_env.filters['my_reverse']('abcd'), 'dcba')
def test_template_filter_with_name(self):
bp = flask.Blueprint('bp', __name__)
@bp.app_template_filter('strrev')
def my_reverse(s):
return s[::-1]
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('strrev', app.jinja_env.filters.keys())
self.assert_equal(app.jinja_env.filters['strrev'], my_reverse)
self.assert_equal(app.jinja_env.filters['strrev']('abcd'), 'dcba')
def test_add_template_filter_with_name(self):
bp = flask.Blueprint('bp', __name__)
def my_reverse(s):
return s[::-1]
bp.add_app_template_filter(my_reverse, 'strrev')
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('strrev', app.jinja_env.filters.keys())
self.assert_equal(app.jinja_env.filters['strrev'], my_reverse)
self.assert_equal(app.jinja_env.filters['strrev']('abcd'), 'dcba')
def test_template_filter_with_template(self):
bp = flask.Blueprint('bp', __name__)
@bp.app_template_filter()
def super_reverse(s):
return s[::-1]
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
@app.route('/')
def index():
return flask.render_template('template_filter.html', value='abcd')
rv = app.test_client().get('/')
self.assert_equal(rv.data, b'dcba')
def test_template_filter_after_route_with_template(self):
app = flask.Flask(__name__)
@app.route('/')
def index():
return flask.render_template('template_filter.html', value='abcd')
bp = flask.Blueprint('bp', __name__)
@bp.app_template_filter()
def super_reverse(s):
return s[::-1]
app.register_blueprint(bp, url_prefix='/py')
rv = app.test_client().get('/')
self.assert_equal(rv.data, b'dcba')
def test_add_template_filter_with_template(self):
bp = flask.Blueprint('bp', __name__)
def super_reverse(s):
return s[::-1]
bp.add_app_template_filter(super_reverse)
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
@app.route('/')
def index():
return flask.render_template('template_filter.html', value='abcd')
rv = app.test_client().get('/')
self.assert_equal(rv.data, b'dcba')
def test_add_template_filter_with_name_and_template(self):
bp = flask.Blueprint('bp', __name__)
def my_reverse(s):
return s[::-1]
bp.add_app_template_filter(my_reverse, 'super_reverse')
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
@app.route('/')
def index():
return flask.render_template('template_filter.html', value='abcd')
rv = app.test_client().get('/')
self.assert_equal(rv.data, b'dcba')
def test_template_test(self):
bp = flask.Blueprint('bp', __name__)
@bp.app_template_test()
def is_boolean(value):
return isinstance(value, bool)
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('is_boolean', app.jinja_env.tests.keys())
self.assert_equal(app.jinja_env.tests['is_boolean'], is_boolean)
self.assert_true(app.jinja_env.tests['is_boolean'](False))
def test_add_template_test(self):
bp = flask.Blueprint('bp', __name__)
def is_boolean(value):
return isinstance(value, bool)
bp.add_app_template_test(is_boolean)
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('is_boolean', app.jinja_env.tests.keys())
self.assert_equal(app.jinja_env.tests['is_boolean'], is_boolean)
self.assert_true(app.jinja_env.tests['is_boolean'](False))
def test_template_test_with_name(self):
bp = flask.Blueprint('bp', __name__)
@bp.app_template_test('boolean')
def is_boolean(value):
return isinstance(value, bool)
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('boolean', app.jinja_env.tests.keys())
self.assert_equal(app.jinja_env.tests['boolean'], is_boolean)
self.assert_true(app.jinja_env.tests['boolean'](False))
def test_add_template_test_with_name(self):
bp = flask.Blueprint('bp', __name__)
def is_boolean(value):
return isinstance(value, bool)
bp.add_app_template_test(is_boolean, 'boolean')
app = flask.Flask(__name__)
app.register_blueprint(bp, url_prefix='/py')
self.assert_in('boolean', app.jinja_env.tests.keys())
self.assert_equal(app.jinja_env.tests['boolean'], is_boolean)
self.assert_true(app.jinja_env.tests['boolean'](False))
def test_template_test_after_route_with_template(self):
app = flask.Flask(__name__)
@app.route('/')
def index():
return flask.render_template('template_test.html', value=False)
bp = flask.Blueprint('bp', __name__)
@bp.app_template_test()
def boolean(value):
return isinstance(value, bool)
app.register_blueprint(bp, url_prefix='/py')
rv = app.test_client().get('/')
self.assert_in(b'Success!', rv.data)
