Add ClipboardError superexception

qutebrowser/browser/commands.py

@@ -855,7 +855,7 @@ class CommandDispatcher:
             sel = False
         try:
             text = utils.get_clipboard(selection=sel)
-        except utils.ClipboardEmptyError as e:
+        except utils.ClipboardError as e:
             raise cmdexc.CommandError(e)
         text_urls = [u for u in text.split('\n') if u.strip()]
         if (len(text_urls) > 1 and not urlutils.is_url(text_urls[0]) and

qutebrowser/commands/runners.py

@@ -70,7 +70,7 @@ def replace_variables(win_id, arglist):
                         values[var] = func()
                     arg = arg.replace(var, values[var])
             args.append(arg)
-    except utils.ClipboardEmptyError as e:
+    except utils.ClipboardError as e:
         raise cmdexc.CommandError(e)
     return args
 

qutebrowser/misc/miscwidgets.py

@@ -47,8 +47,7 @@ class MinimalLineEditMixin:
         if e.key() == Qt.Key_Insert and e.modifiers() == Qt.ShiftModifier:
             try:
                 text = utils.get_clipboard(selection=True)
-            except (utils.SelectionUnsupportedError,
-                    utils.ClipboardEmptyError):
+            except utils.ClipboardError:
                 pass
             else:
                 e.accept()

qutebrowser/utils/utils.py

@@ -43,12 +43,17 @@ fake_clipboard = None
 log_clipboard = False
 
 
-class SelectionUnsupportedError(Exception):
+class ClipboardError(Exception):
+
+    """Raised if the clipboard contents are unavailable for some reason."""
+
+
+class SelectionUnsupportedError(ClipboardError):
 
     """Raised if [gs]et_clipboard is used and selection=True is unsupported."""
 
 
-class ClipboardEmptyError(Exception):
+class ClipboardEmptyError(ClipboardError):
 
     """Raised if get_clipboard is used and the clipboard is empty."""