Simplify TempDownloadManager initialization

qutebrowser/app.py

@@ -435,8 +435,6 @@ def _init_modules(args, crash_handler):
         os.environ['QT_WAYLAND_DISABLE_WINDOWDECORATION'] = '1'
     else:
         os.environ.pop('QT_WAYLAND_DISABLE_WINDOWDECORATION', None)
-    temp_downloads = downloads.TempDownloadManager(qApp)
-    objreg.register('temporary-downloads', temp_downloads)
     # Init backend-specific stuff
     browsertab.init(args)
 

qutebrowser/browser/downloads.py

@@ -907,7 +907,7 @@ class DownloadModel(QAbstractListModel):
         return len(self)
 
 
-class TempDownloadManager(QObject):
+class TempDownloadManager:
 
     """Manager to handle temporary download files.
 
@@ -919,8 +919,7 @@ class TempDownloadManager(QObject):
         files: A list of NamedTemporaryFiles of downloaded items.
     """
 
-    def __init__(self, parent=None):
-        super().__init__(parent)
+    def __init__(self):
         self.files = []
         self._tmpdir = None
 
@@ -969,3 +968,6 @@ class TempDownloadManager(QObject):
                                            suffix=suggested_name)
         self.files.append(fobj)
         return fobj
+
+
+temp_download_manager = TempDownloadManager()

qutebrowser/browser/webkit/downloads.py

@@ -358,9 +358,9 @@ class DownloadItem(downloads.AbstractDownloadItem):
         elif isinstance(target, usertypes.FileDownloadTarget):
             self.set_filename(target.filename)
         elif isinstance(target, usertypes.OpenFileDownloadTarget):
-            tmp_manager = objreg.get('temporary-downloads')
             try:
-                fobj = tmp_manager.get_tmpfile(self.basename)
+                fobj = downloads.temp_download_manager.get_tmpfile(
+                    self.basename)
             except OSError as exc:
                 msg = "Download error: {}".format(exc)
                 message.error(msg)