Python werkzeug.Response类代码示例

    def dispatch_request(self, request):
        # Process variables        
        self.var_dict = {
            'refresh_interval': self.cfg['refresh_interval'],
                        
            'python_version': version,
            'werkzeug_version': werkzeug.__version__,
            'jinja_version': jinja2.__version__,
            'buteo_version': self.version
        }

        # add data from plugins
        if self.enabled_plugins != []:
            for plugin in plugins.get_plugins():
                try:
                    data = plugin.get_data(self.cfg)
                except Exception as inst:
                    print ' * ERROR: %s. Skipping plugin %r.' % (inst, plugin.__class__.__name__)
                    continue
                
                for key in data:
                    if not key in self.var_dict:
                        self.var_dict[key] = data[key]
                        
        self.var_dict['exectime'] = round(time()-self.starttime, 4)                
              
        try:
            response = Response(mimetype='text/html')                           
            response.data = self.template.render(self.var_dict)            
            return response
            
        except HTTPException, e:
            return e

def humanify(obj, status_code=200):
    """ Gets an obj and possibly a status code and returns a flask Resonse
        with a jsonified obj, not suitable for humans
    >>> humanify({"a": 1})
    <Response 8 bytes [200 OK]>
    >>> humanify({"a": 1}, 404)
    <Response 8 bytes [404 NOT FOUND]>
    >>> humanify({"a": 1}).get_data()
    '{"a": 1}'
    >>> humanify([1,2,3]).get_data()
    '[1, 2, 3]'
    """
    # TODO: refactor the name to `response`
    # jsonify function doesn't work with lists
    if type(obj) == list:
        data = json.dumps(obj, default=json_util.default)
    elif type(obj) == pymongo.cursor.Cursor:
        rv = []
        for doc in obj:
            doc['_id'] = str(doc['_id'])
            rv.append(dumps(doc))
        data = '[' + ',\n'.join(rv) + ']' + '\n'
    else:
        data = dumps(obj,
                          default=json_util.default,
                          cls=MongoJsonEncoder)
    resp = Response(data, mimetype='application/json')
    resp.status_code = status_code
    return resp

 def static(self, request, filename):
     response = Response(open(path.join(web_media_path, filename)).read())
     if filename.endswith('.js'):
         response.mimetype = 'application/javascript'
     elif filename.endswith('.css'):
         response.mimetype = 'text/css'
     return response

    def __call__(self, environ, start_response):
        local.application = self
        request = MongoRequest(environ)
        local.url_adapter = adapter = url_map.bind_to_environ(environ)
        environ['mongo.db'] = self.db
        environ['mongo.fs'] = self.fs
        try:
            endpoint, values = adapter.match()
            handler = getattr(views, endpoint)
            data = handler(request, **values)

            # WSGI
            if callable(data):
                return data(environ, start_response)

            data = safe_keys(data)

            data['request'] = request

            # Templates
            template = self.env.get_template("%s.html" % endpoint)
            response = Response()
            response.content_type = "text/html"
            response.add_etag()
            # if DEBUG:
            #   response.make_conditional(request)
            data['endpoint'] = endpoint
            response.data = template.render(**data)
        except HTTPException, e:
            response = e

    def response(self, request, data, etag=None, cache_policy=None):
        """Renders `data` to a JSON response.

        An ETag may be specified. When it is not specified one will be generated
        based on the data.

        The caching policy can be optionally configured. By default it takes the
        policy from the controller object: `cache_policy`.
        """
        if etag is None and data is not None:
            etag = self.etag(data)
        # FIXME: Check content-type headers
        if data is None:
            if etag is None:
                raise TypeError('response requires an etag when '
                                'the response body is None')
            resp = Response(status=304, content_type='application/json')
        else:
            # Avoid sending the resource when an ETag matches
            request_etags = parse_etags(
                request.environ.get('HTTP_IF_NONE_MATCH'))
            if request_etags.contains(etag):
                 resp = Response(status=304, content_type='application/json')
            # Render the given data to a response object
            else:
                resp = Response(self.data_encoder.encode(data), content_type='application/json')
        resp.headers['ETag'] = quote_etag(etag)
        if cache_policy is None:
            cache_policy = self.cache_policy
        return cache_policy(resp)

def miku(request):
  data = request.files['image'].stream.read()
  img =  HomeImage.split(images.Image(data))[0]
  png = img.execute_transforms(output_encoding=images.PNG)
  r = Response()
  r.content_type = 'image/png'
  r.data = png
  return r

 def store_pasta(self, pasta):
     pasta.uuid = self.getset_uuid()
     pasta.put()
     self.logger.info("created pasta %s", pasta)
     redir_url = self.request.base_url + "p/" + pasta.pasta_id + "/"
     resp = Response(redir_url + "\n", 302, mimetype="text/plain")
     resp.headers["Location"] = redir_url
     resp.set_cookie(self.uuid_cookie, pasta.uuid)
     return resp

def session_debug():
    if local.application.debug == False:
        return notfound()
    from pprint import pformat
    local.session.init()
    response = Response(pformat(local.session.data))
    response.mimetype="text/plain"
    response.charset = "utf-8"
    return response

 def send_update(self, update):
     response = Response(
         response=update['body'],
         content_type=update['content_type'],
     )
     response.last_modified = update['published_on']
     response.headers['If-Modified-Since'] = update['published_on']
     
     return response

def create_blobinfo_response(blobinfo, filename=None, mimetype='application/octet-stream'):
    if not mimetype:
        mimetype = blobinfo.content_type
    if not filename:
        filename = blobinfo.filename
    rsp = Response(None, 200)
    rsp.headers[blobstore.BLOB_KEY_HEADER] = blobinfo.key()
    rsp.headers['Content-Type'] = mimetype
    rsp.headers['Content-Disposition'] = 'attachment;filename=%s' % filename
    return rsp

def serve_file(file, content_type=None):
    # Reset the stream
    file.seek(0)
    resp = Response(FileWrapper(file), direct_passthrough=True)

    if content_type is None:
        resp.content_type = file.content_type
    else:
        resp.content_type = content_type

    return resp

def application(req):
    if req.method == 'POST':
        file_in = req.files['myfile']
        buf = convert_doc(file_in)

        filename = file_in.filename.replace('.odt', '-converted.odt')
        resp = Response(buf.getvalue())
        resp.content_type = 'application/x-download'
        resp.headers.add('Content-Disposition', 'attachment', filename=filename)
        return resp
    return Response(HTML, content_type='text/html')

def message(request, name):
    response = Response()
    path = os.path.join(datadir, str(name))
    
    if request.method == 'HEAD':
        pass # we only need to return headers
        
    elif request.method == 'GET':
        try:
            response.data = open(path, 'r').read()
        except IOError, e:
            print e
            raise NotFound()

def get_resource(request, theme, file):
    """Returns a file from the theme."""
    theme = get_theme(theme)
    if theme is None:
        raise NotFound()
    f = theme.open_resource(file)
    if f is None:
        raise NotFound()
    resp = Response(wrap_file(request.environ, f),
                    mimetype=mimetypes.guess_type(file)[0] or 'text/plain',
                    direct_passthrough=True)
    resp.add_etag()
    return resp.make_conditional(request)

 def __call__(self, env, start_response):
     Config = ConfigParser()
     Config.read(configfile)
     params = {"host": "", "user": "", "database": "", "port": ""}
     for param in params:
         if not Config.has_option("BlobStore", param):
             print "Malformed configuration file: mission option %s in section %s" % (param, "BlobStore")
             sys.exit(1)
         params[param] = Config.get("BlobStore", param)
     req = Request(env)
     resp = Response(status=200, content_type="text/plain")
     #engine = create_engine("mysql+mysqldb://%s:%[email protected]%s:%s/%s?charset=utf8&use_unicode=0" %
     #    (params["user"], secret.BlobSecret, params["host"], params["port"], params["database"]), pool_recycle=3600)
     Base = declarative_base(bind=engine)
     local.Session = []
     local.FileEntry = []
     Session.append(sessionmaker(bind=engine))
     FileEntry.append(makeFileEntry(Base))
     if req.path.startswith('/fx'):
         if req.method == "GET":
             resp.status_code, filename, resp.content_type, resp.response = self.__download(req)
             if resp.content_type == "application/octet-stream":
                 resp.headers["Content-Disposition"] = "attachment; filename=%s" % filename
             return resp(env, start_response)
         elif req.method == "POST":
             resp.content_type="text/plain"
             resp.response = self.__upload(req)
             return resp(env, start_response)
     else:
         resp.status_code = 404
         resp.content_type="text/plain"
         resp.response = ""
         return resp(env, start_response)