Show a list of potentially affected add-ons when raising error

aqt/errors.py

@@ -3,10 +3,12 @@
 # License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 import sys, traceback
 import html
+import re
 
 from anki.lang import _
 from aqt.qt import *
 from aqt.utils import showText, showWarning
+from aqt import mw
 
 if not os.environ.get("DEBUG"):
     def excepthook(etype,val,tb):
@@ -124,14 +126,27 @@ add-ons section</a> of our support site.
 """)        
         if self.mw.addonManager.dirty:
             txt = pluginText
+            error = self._supportText() + self._addonText(error) + "\n" + error
         else:
             txt = stdText
-        # show dialog
             error = self._supportText() + "\n" + error
         
+        # show dialog
         txt = txt + "<div style='white-space: pre-wrap'>" + error + "</div>"
         showText(txt, type="html", copyBtn=True)
 
+    def _addonText(self, error):
+        matches = re.findall(r"addons21/(.*?)/", error)
+        if not matches:
+            return ""
+        # reverse to list most likely suspect first, dict to deduplicate:
+        addons = [mw.addonManager.addonName(i) for i in
+                  dict.fromkeys(reversed(matches))]
+        txt = _("""Potentially affected add-ons: {}\n""")
+        # highlight importance of first add-on:
+        addons[0] = "<b>{}</b>".format(addons[0])
+        return txt.format(", ".join(addons))
+
     def _supportText(self):
         import platform
         from aqt.utils import versionWithBuild