mpvd

 1(import mpd)
 2(require [hy.contrib.walk [let]])
 3
 4(defclass Commands [object]
 5  (defn --init-- [self]
 6    (setv self.handlers {}))
 7
 8  (defn convert-dict [self dict]
 9    (dfor (, key value) (.items dict)
10      [key (if (isinstance value bool)
11             (if value 1 0)
12             value)]))
13
14  (defn dict->mpdstr [self dict]
15    (.rstrip (reduce (fn [rest pair]
16                       (+ rest
17                          (.format "{}: {}" (first pair) (last pair))
18                          mpd.DELIMITER))
19                      (.items (self.convert-dict dict)) "") mpd.DELIMITER))
20
21  (defn add [self name]
22    (fn [func]
23      (if (in name self.handlers)
24        (raise (ValueError (% "%s already registered" name)))
25        (do
26          (assoc self.handlers name func)
27          func))))
28
29  (defn call [self mpv cmd]
30    (if (in cmd.name self.handlers)
31      (let [resp ((get self.handlers cmd.name) mpv cmd.args)]
32        (if (isinstance resp dict)
33          (self.dict->mpdstr resp)
34          resp))
35      (raise (NotImplementedError (% "%s has not ben implemented" cmd.name))))))
36
37(setv commands (Commands))