以音色记录到两个文件

Question

我试图用音色从同一个名称空间登录到两个不同的文件。或者，如果这是不可能的，至少对于来自两个不同名称空间的不同文件。

检查timbre/*config*，我得到的印象是，我需要两个配置映射来配置类似的东西。我可以创建另一个配置映射，并与timbre/log*一起使用它来代替标准的配置映射，但我无法摆脱这样的感觉:这不是应该如何使用的.？

(timbre/log* timbre/*config* :info "Test with standard config")

Answer 1

AFAIK，最简单的方法确实是创建两个配置映射：

(def config1
   {:level :debug 
    :appenders {:spit1 (appenders/spit-appender {:fname "file1.log"})}})

(def config2
   {:level :debug 
    :appenders {:spit2 (appenders/spit-appender {:fname "file2.log"})}})

(timbre/with-config config1
    (info "This will print in file1") )

(timbre/with-config config2
    (info "This will print in file2") )

第二种方法是从中编写您自己的附录：

https://github.com/ptaoussanis/timbre/blob/master/src/taoensso/timbre/appenders/core.cljx

(defn my-spit-appender
  "Returns a simple `spit` file appender for Clojure."
  [& [{:keys [fname] :or {fname "./timbre-spit.log"}}]]
  {:enabled?   true
   :async?     false
   :min-level  nil
   :rate-limit nil
   :output-fn  :inherit
   :fn
   (fn self [data]
     (let [{:keys [output_]} data]
       (try

        ;; SOME LOGIC HERE TO CHOOSE THE FILE TO OUTPUT TO ...             

         (spit fname (str (force output_) "\n") :append true)
         (catch java.io.IOException e
           (if (:__spit-appender/retry? data)
             (throw e) ; Unexpected error
             (let [_    (have? enc/nblank-str? fname)
                   file (java.io.File. ^String fname)
                   dir  (.getParentFile (.getCanonicalFile file))]

               (when-not (.exists dir) (.mkdirs dir))
               (self (assoc data :__spit-appender/retry? true))))))))})