Worst reusable cache wrapper (simular cache-on-disk)

src/mpv_control.py

@@ -7,10 +7,12 @@ from shutil import get_terminal_size
 import mpv
 import time
 import sys
+import re
 
 fzf = FzfPrompt()
 
-player = mpv.MPV(cache=True, demuxer_max_bytes=25*1024*1024)
+player = mpv.MPV(cache=True, demuxer_max_bytes=25*1024*1024,
+                 scripts='src/mpv_scripts/mpv_cache.lua')
 player.ytdl = False  # Prevent attempts load track with yt-dlp
 player.volume = get_config('mpv_volume')
 player.prefetch_playlist = get_config('prefetch_playlist')
@@ -25,11 +27,15 @@ class player_fw_storage:
 @logger.catch
 def track_url_to_uuid(listen_url=None):
     '''Attempt get uuid from track listen url or current playing url'''
+    hex = '[0-9a-fA-F]+'
+    find_uuid = f'{hex}-{hex}-{hex}-{hex}-{hex}'
+
     if listen_url:
-        uuid = listen_url.split(r'/')[-2]
+        uuid = re.findall(find_uuid, listen_url)
     else:
-        uuid = player.stream_open_filename.split(r'/')[-2]
+        uuid = re.findall(find_uuid, player.stream_open_filename)
-    return uuid
+
+    return uuid[0]
 
 
 if track_activity_history:

src/mpv_scripts/mpv_cache.lua

@@ -0,0 +1,50 @@
+local utils = require 'mp.utils'
+local msg = require 'mp.msg'
+local options = require 'mp.options'
+
+
+function sleep(n)
+	os.execute("sleep " .. tonumber(n))
+end
+
+
+function createDir(dirname)
+	os.execute("mkdir -p -m 711 " .. dirname)
+end
+
+
+function file_exists(name)
+   local f = io.open(name, "r")
+   return f ~= nil and io.close(f)
+end
+
+
+function get_url_host(s)
+    return (s.."/"):match("://(.-)/")
+end
+
+
+function make_cache_track(url)
+    find_uuid = "%x+-%x+-%x+-%x+-%x+"
+    uuid = string.sub(url, string.find(url, find_uuid))
+    host = get_url_host(url)
+    cache_path_file = 'cache/' .. host .. '/' .. uuid .. ''
+    if false == file_exists(cache_path_file) then
+	createDir('cache/' .. host .. '/')
+	msg.verbose('Caching ' .. cache_path_file .. '')
+    	os.execute('curl -s "' .. url .. '" -o "' .. cache_path_file .. '"')
+    	mp.set_property("stream-open-filename", cache_path_file)
+    else
+	msg.verbose('Already cached ' .. cache_path_file .. '')
+    	mp.set_property("stream-open-filename", cache_path_file)
+    end
+end
+
+
+mp.add_hook("on_load", 11, function()
+    msg.verbose('reusable cache hook activated')
+    local url = mp.get_property("stream-open-filename", "")
+    if true == (url:find("https?://") == 1) then
+	 make_cache_track(url)
+    end
+end)