log deletions in text file

anki/collection.py

@@ -6,7 +6,7 @@ import time, os, random, stat, datetime, copy
 from anki.lang import _, ngettext
 from anki.utils import ids2str, fieldChecksum, stripHTML, \
     intTime, splitFields, joinFields, maxID, json
-from anki.hooks import  runFilter
+from anki.hooks import  runFilter, runHook
 from anki.sched import Scheduler
 from anki.models import ModelManager
 from anki.media import MediaManager
@@ -258,6 +258,7 @@ crt=?, mod=?, scm=?, dty=?, usn=?, ls=?, conf=?""",
         strids = ids2str(ids)
         # we need to log these independently of cards, as one side may have
         # more card templates
+        runHook("remNotes", ids)
         self._logRem(ids, REM_NOTE)
         self.db.execute("delete from notes where id in %s" % strids)
 

aqt/main.py

@@ -8,7 +8,7 @@ import  zipfile
 from aqt.qt import *
 
 from anki import Collection
-from anki.utils import  isWin, isMac, intTime
+from anki.utils import  isWin, isMac, intTime, splitFields, ids2str
 from anki.hooks import runHook, addHook
 
 import aqt, aqt.progress, aqt.webview, aqt.toolbar, aqt.stats
@@ -74,7 +74,7 @@ class AnkiQt(QMainWindow):
         self.setupErrorHandler()
         self.setupSignals()
         self.setupAutoUpdate()
-        self.setupSchema()
+        self.setupHooks()
         self.setupRefreshTimer()
         self.updateTitleBar()
         # screens
@@ -821,11 +821,31 @@ the problem and restart Anki.""")
         elif self.state == "overview":
             self.overview.refresh()
 
-    # Schema modifications
+    # Permanent libanki hooks
     ##########################################################################
 
-    def setupSchema(self):
+    def setupHooks(self):
         addHook("modSchema", self.onSchemaMod)
+        addHook("remNotes", self.onRemNotes)
+
+    # Log note deletion
+    ##########################################################################
+
+    def onRemNotes(self, nids):
+        path = os.path.join(self.pm.profileFolder(), "deleted.txt")
+        existed = os.path.exists(path)
+        with open(path, "a") as f:
+            if not existed:
+                f.write("nid\tmid\tfields\n")
+            for id, mid, flds in self.col.db.execute(
+                    "select id, mid, flds from notes where id in %s" %
+                ids2str(nids)):
+                fields = splitFields(flds)
+                f.write(("\t".join([str(id), str(mid)] + fields)).encode("utf8"))
+                f.write("\n")
+
+    # Schema modifications
+    ##########################################################################
 
     def onSchemaMod(self, arg):
         # if triggered in sync, make sure we don't use the gui