Python flask.Flask方法代码示例

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def create_app():
    """Construct the core flask_session_tutorial."""
    app = Flask(__name__, instance_relative_config=False)
    app.config.from_object('config.Config')

    # Initialize Plugins
    db.init_app(app)
    login_manager.init_app(app)
    sess.init_app(app)

    with app.app_context():
        from . import routes
        from . import auth
        from .assets import compile_static_assets, compile_auth_assets
        app.register_blueprint(routes.main_bp)
        app.register_blueprint(auth.auth_bp)

        # Create static asset bundles
        compile_static_assets(app)
        compile_auth_assets(app)

        # Create Database Models
        db.create_all()

        return app 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def make_web(queue):
    app = Flask(__name__)

    @app.route('/')
    def index():
        return render_template('index.html')

    def gen():
        while True:
            frame = queue.get()
            _, frame = cv2.imencode('.JPEG', frame)
            yield (b'--frame\r\n'
                   b'Content-Type: image/jpeg\r\n\r\n' + frame.tostring() + b'\r\n')

    @app.route('/video_feed')
    def video_feed():
        return Response(gen(),
                        mimetype='multipart/x-mixed-replace; boundary=frame')

    try:
        app.run(host='0.0.0.0', port=8889)
    except:
        print('unable to open port') 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def create_app(config_object=ProdConfig):
    """An application factory, as explained here:
        http://flask.pocoo.org/docs/patterns/appfactories/

    :param config_object: The configuration object to use.
    """
    app = Flask(__name__)
    sslify = SSLify(app)

    # set config from the passed object
    app.config.from_object(config_object)
    # set additional config values from environ
    app.config['SLACK_WEBHOOK_URL'] = os.environ.get('SLACK_WEBHOOK_URL')

    register_extensions(app)
    register_blueprints(app)
    register_errorhandlers(app)
    register_template_globals(app)

    @app.before_first_request
    def before_first_request():
        register_logging(app)

    return app 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def create_app(config_name):
    app = Flask(__name__)
    #app.config['JSON_AS_ASCII'] = False
    # 进行app配置 把自己的config设定导入到app中
    app.config.from_object(config[config_name])

    # 初始化app配置
    config[config_name].init_app(app)

    db.init_app(app)
    db.app = app

    # 初始化apscheduler
    scheduler.init_app(app)
    scheduler.start()

    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)

    from .job import main as job_blueprint
    app.register_blueprint(job_blueprint,url_prefix='/v1/cron/job')

    return app 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def create_user(**data):
    """Creates user with encrypted password"""
    if 'username' not in data or 'password' not in data:
        raise ValueError('username and password are required.')

    # Hash the user password
    data['password'] = generate_password_hash(
        data.pop('password'),
        method='pbkdf2:sha256'
    )

    # Here you insert the `data` in your users database
    # for this simple example we are recording in a json file
    db_users = json.load(open('users.json'))
    # add the new created user to json
    db_users[data['username']] = data
    # commit changes to database
    json.dump(db_users, open('users.json', 'w'))
    return data


# [--- Flask Factories  ---] 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def _users_for_repo(user, repo_name, oldest_age=55):
    """ Returns users that have commited in a repo in the last N weeks """

    since = (datetime.now() - timedelta(weeks=oldest_age)).isoformat()
    r = await github.commits_for_repo(user, repo_name, since=since)
    r_json = await r.json()
    users = set()
    for commit in r_json:
        if "author" in commit and commit["author"] is not None:
            user = (
                commit["author"]["login"],
                commit["commit"]["author"]["email"],
                commit["commit"]["author"]["name"],
            )
            users.add(user)
    return list(users)


# Flask routes 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def __init__(self):
        self.app = Flask(__name__)
        custom_errors = {
            'JsonInvalidError': {
                'status': 500,
                'message': 'JSON format not valid'
            },
            'JsonRequiredError': {
                'status': 400,
                'message': 'JSON input required'
            }
        }
        self.api = swagger.docs(Api(self.app, errors=custom_errors), apiVersion=API_VERSION_NUMBER)
        
        self.api.add_resource(DummyEndpoint, '/dummy', endpoint='dummy')
        self.api.add_resource(HelloEndpoint, '/hello', endpoint='hello') 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def create_app():
    app = Flask(__name__)

    @app.route('/foo')
    @api.validate()
    def foo():
        pass

    @app.route('/bar')
    @api_strict.validate()
    def bar():
        pass

    @app.route('/lone', methods=['GET'])
    def lone_get():
        pass

    @app.route('/lone', methods=['POST'])
    def lone_post():
        pass

    return app 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def __init__(self, gateway, config, connector_type):
        super().__init__()
        self.__log = log
        self._default_converters = {
            "uplink": "JsonRESTUplinkConverter",
            "downlink": "JsonRESTDownlinkConverter"
        }
        self.__config = config
        self._connector_type = connector_type
        self.statistics = {'MessagesReceived': 0,
                           'MessagesSent': 0}
        self.__gateway = gateway
        self.__USER_DATA = {}
        self.setName(config.get("name", 'REST Connector ' + ''.join(choice(ascii_lowercase) for _ in range(5))))

        self._connected = False
        self.__stopped = False
        self.daemon = True
        self._app = Flask(self.get_name())
        self._api = Api(self._app)
        self.__rpc_requests = []
        self.__attribute_updates = []
        self.__fill_requests_from_TB()
        self.endpoints = self.load_endpoints()
        self.load_handlers() 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def make_config(self, instance_relative=False):
        """Used to create the config attribute by the Flask constructor.
        The `instance_relative` parameter is passed in from the constructor
        of Flask (there named `instance_relative_config`) and indicates if
        the config should be relative to the instance path or the root path
        of the application.

        .. versionadded:: 0.8
        """
        root_path = self.root_path
        if instance_relative:
            root_path = self.instance_path
        defaults = dict(self.default_config)
        defaults['ENV'] = get_env()
        defaults['DEBUG'] = get_debug_flag()
        return self.config_class(root_path, defaults) 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def update_template_context(self, context):
        """Update the template context with some commonly used variables.
        This injects request, session, config and g into the template
        context as well as everything template context processors want
        to inject.  Note that the as of Flask 0.6, the original values
        in the context will not be overridden if a context processor
        decides to return a value with the same key.

        :param context: the context as a dictionary that is updated in place
                        to add extra variables.
        """
        funcs = self.template_context_processors[None]
        reqctx = _request_ctx_stack.top
        if reqctx is not None:
            bp = reqctx.request.blueprint
            if bp is not None and bp in self.template_context_processors:
                funcs = chain(funcs, self.template_context_processors[bp])
        orig_ctx = context.copy()
        for func in funcs:
            context.update(func())
        # make sure the original values win.  This makes it possible to
        # easier add new variables in context processors without breaking
        # existing views.
        context.update(orig_ctx) 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def make_shell_context(self):
        """Returns the shell context for an interactive shell for this
        application.  This runs all the registered shell context
        processors.

        .. versionadded:: 0.11
        """
        rv = {'app': self, 'g': g}
        for processor in self.shell_context_processors:
            rv.update(processor())
        return rv

    #: What environment the app is running in. Flask and extensions may
    #: enable behaviors based on the environment, such as enabling debug
    #: mode. This maps to the :data:`ENV` config key. This is set by the
    #: :envvar:`FLASK_ENV` environment variable and may not behave as
    #: expected if set in code.
    #:
    #: **Do not enable development when deploying in production.**
    #:
    #: Default: ``'production'`` 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def test_cli_runner(self, **kwargs):
        """Create a CLI runner for testing CLI commands.
        See :ref:`testing-cli`.

        Returns an instance of :attr:`test_cli_runner_class`, by default
        :class:`~flask.testing.FlaskCliRunner`. The Flask app object is
        passed as the first argument.

        .. versionadded:: 1.0
        """
        cls = self.test_cli_runner_class

        if cls is None:
            from flask.testing import FlaskCliRunner as cls

        return cls(self, **kwargs) 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def process_response(self, response):
        """Can be overridden in order to modify the response object
        before it's sent to the WSGI server.  By default this will
        call all the :meth:`after_request` decorated functions.

        .. versionchanged:: 0.5
           As of Flask 0.5 the functions registered for after request
           execution are called in reverse order of registration.

        :param response: a :attr:`response_class` object.
        :return: a new response object or the same, has to be an
                 instance of :attr:`response_class`.
        """
        ctx = _request_ctx_stack.top
        bp = ctx.request.blueprint
        funcs = ctx._after_request_functions
        if bp is not None and bp in self.after_request_funcs:
            funcs = chain(funcs, reversed(self.after_request_funcs[bp]))
        if None in self.after_request_funcs:
            funcs = chain(funcs, reversed(self.after_request_funcs[None]))
        for handler in funcs:
            response = handler(response)
        if not self.session_interface.is_null_session(ctx.session):
            self.session_interface.save_session(self, ctx.session, response)
        return response 

# 需要导入模块: import flask [as 别名]
# 或者: from flask import Flask [as 别名]
def assert_request(
    app: web.Application, idx: int, method: str, path: str, headers: Optional[Dict[str, str]] = None
) -> None:
    request = get_incoming_requests(app)[idx]
    assert request.method == method
    if request.method == "GET":
        # Ref: #200
        # GET requests should not contain bodies
        if not isinstance(app, Flask):
            if not isinstance(request.content, EmptyStreamReader):
                assert request.content._read_nowait(-1) != b"{}"
        else:
            assert request.data == b""
    assert request.path == path
    if headers:
        for key, value in headers.items():
            assert request.headers.get(key) == value