From 763f861e84d43c74ec08eb536c17d9b96f7acfc1 Mon Sep 17 00:00:00 2001
From: kageru <kageru@encode.moe>
Date: Sat, 28 Apr 2018 17:28:24 +0200
Subject: [PATCH] added caching of renames via dictionary

---
 mv3u.py | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/mv3u.py b/mv3u.py
index 3c88538..d34b6c6 100644
--- a/mv3u.py
+++ b/mv3u.py
@@ -1,14 +1,18 @@
 from beets.plugins import BeetsPlugin
 import os
 
+rename_cache = os.path.expanduser('~/.cache/beets_mv3u_renames')
 
 class MV3U(BeetsPlugin):
     def __init__(self):
         super(MV3U, self).__init__()
 
-        self.register_listener('item_moved', self.mv3u)
-
-
+        self.register_listener('item_moved', self.add_rename)
+        self.register_listener('import_task_created', self.clear_persistence)
+        self.register_listener('import', self.mv3u)
+    
+    
+    """
     def mv3u(self, item):
         # TODO: cache renames, don’t write playlists for every single file
         # TODO: sorted caching
@@ -28,4 +32,25 @@ class MV3U(BeetsPlugin):
             with open(pl, 'w') as p:
                 p.write(''.join(p2))
             #print(f'Changed entry {src} to {dst} in {pl}')
+    """
+
+
+    def clear_persistence(self, task, session):
+        if os.path.isfile(rename_cache):
+            os.remove(rename_cache)
+
+
+    def add_rename(self, item):
+        src = item.path.decode()
+        dst = item.destination().decode()
+        with open(rename_cache, 'a') as cache:
+            cache.write(f'{src}\t\t{dst}\n')
+
+    
+    def mv3u(self, lib, paths):
+        def read_renames() -> dict:
+            with open(rename_cache) as cache:
+                return dict([line.rstrip('\n').split('\t\t') for line in cache])
+
+        print(read_renames())