小编Apo*_*dze的帖子

我按照这个例子：https : //github.com/Day8/re-frame/blob/master/docs/FAQs/PollADatabaseEvery60.md

这是我的间隔处理程序

(defonce interval-handler
  (fn [{:keys [action id frequency event]}]
    (let [live-intervals (atom {})]
      (condp = action
        :start (swap! live-intervals assoc id (js/setInterval #(re-frame/dispatch event) frequency))
        :end (do (js/clearInterval (get live-intervals id))
                 (swap! live-intervals dissoc id))))))

(re-frame/reg-fx
  :interval
  interval-handler)

我正在尝试从此处的另一个事件发送此间隔事件：

(re-frame/reg-event-db
  :start-playing
  (fn [db _]
    (re-frame/dispatch [:interval {:action :start
                       :id :some-awesome-id
                       :frequency 1000
                       :event [:tick]}])
    (assoc db :is-playing? true
           :fake (random-active-color db)
           :real (random-active-color db))))

但它说 re-frame: no :event handler registered for: :interval

这是不可能的吗？

为了演示我遇到的问题，我将使用这个简单的函数，该函数位于/Users/X/Code/python/example/start.py：

def say_hello(name):
   print("Saying hello to {}".format(name))

say_hello("John")

我pipenv用来设置程序包和环境。在此文件夹（旁start.py），我还有其他四个文件- ，，Pipfile 和。Pipfile.lock.envlog.txt

当我运行时pipenv run python start.py，一切正常，我得到了输出。

现在，我希望此脚本每分钟运行一次，所以我使用设置了一个cron作业crontab -e，这是我最初在其中所拥有的：

* * * * * /usr/local/bin/pipenv run python /Users/X/Code/python/example/start.py >> /Users/X/Code/python/example/log.txt 2>&1

这给了我该log.txt文件中的错误转储：

RuntimeError: Click will abort further execution because Python 3 was configured to use ASCII as encoding for the environment.  Consult http://click.pocoo.org/python3/for mitigation steps.

This system lists a couple of UTF-8 supporting locales that
you …