tweaks to add-on downloading

- avoid opening and closing multiple progress dialogs
- report errors at the end; download what we can
- update dialog text

aqt/addons.py

@@ -164,13 +164,26 @@ class GetAddons(QDialog):
 
     def accept(self):
         QDialog.accept(self)
-        # create downloader thread
-        txt = self.form.code.text().split()
-        for x in txt:
-            ret = download(self.mw, x)
-            if not ret:
+
+        # get codes
+        try:
+            ids = [int(n) for n in self.form.code.text().split()]
+        except ValueError:
+            showWarning(_("Invalid code."))
             return
+
+        errors = []
+
+        self.mw.progress.start(immediate=True)
+        for n in ids:
+            ret = download(self.mw, n)
+            if ret[0] == "error":
+                errors.append(_("Error downloading %(id)s: %(error)s") % dict(id=n, error=ret[1]))
+                continue
             data, fname = ret
             self.mw.addonManager.install(data, fname)
         self.mw.progress.finish()
+        if not errors:
             tooltip(_("Download successful. Please restart Anki."), period=3000)
+        else:
+            showWarning("\n".join(errors))

aqt/downloader.py

@@ -10,13 +10,7 @@ from anki.hooks import addHook, remHook
 import aqt
 
 def download(mw, code):
-    "Download addon/deck from AnkiWeb. On success caller must stop progress diag."
-    # check code is valid
-    try:
-        code = int(code)
-    except ValueError:
-        showWarning(_("Invalid code."))
-        return
+    "Download addon/deck from AnkiWeb. Caller must start & stop progress diag."
     # create downloading thread
     thread = Downloader(code)
     def onRecv():
@@ -30,7 +24,6 @@ def download(mw, code):
             pass
     thread.recv.connect(onRecv)
     thread.start()
-    mw.progress.start(immediate=True)
     while not thread.isFinished():
         mw.app.processEvents()
         thread.wait(100)
@@ -38,8 +31,7 @@ def download(mw, code):
         # success
         return thread.data, thread.fname
     else:
-        mw.progress.finish()
-        showWarning(_("Download failed: %s") % thread.error)
+        return "error", thread.error
 
 class Downloader(QThread):
 

designer/getaddons.ui

@@ -17,7 +17,7 @@
    <item>
     <widget class="QLabel" name="label">
      <property name="text">
-      <string>To browse add-ons, please click the browse button below.&lt;br&gt;&lt;br&gt;When you've found an add-on you like, please paste its code below.</string>
+      <string>To browse add-ons, please click the browse button below.&lt;br&gt;&lt;br&gt;When you've found an add-on you like, please paste its code below. You can paste multiple codes, separated by spaces.</string>
      </property>
      <property name="wordWrap">
       <bool>true</bool>