Guard against active_view() returning None

busy_indicator_view.py

@@ -36,7 +36,7 @@ def on_begin_linting(buffer_id):
     State['running'][buffer_id] = time.time()
 
     active_view = State['active_view']
-    if active_view.buffer_id() == buffer_id:
+    if active_view and active_view.buffer_id() == buffer_id:
         sublime.set_timeout_async(lambda: draw(**State), INITIAL_DELAY * 1000)
 
 
@@ -45,7 +45,7 @@ def on_finished_linting(buffer_id, **kwargs):
     State['running'].pop(buffer_id, None)
 
     active_view = State['active_view']
-    if active_view.buffer_id() == buffer_id:
+    if active_view and active_view.buffer_id() == buffer_id:
         draw(**State)
 
 

goto_commands.py

@@ -13,7 +13,9 @@
 
 class SublimeLinterGotoError(sublime_plugin.WindowCommand):
     def run(self, direction='next', count=1, wrap=False):
-        goto(self.window.active_view(), direction, count, wrap)
+        active_view = self.window.active_view()
+        if active_view:
+            goto(active_view, direction, count, wrap)
 
 
 def goto(view, direction, count, wrap):

highlight_view.py

@@ -279,6 +279,9 @@ def toggle_demoted_regions(view, show):
 class SublimeLinterToggleHighlights(sublime_plugin.WindowCommand):
     def run(self):
         view = self.window.active_view()
+        if not view:
+            return
+
         vid = view.id()
         hidden = vid in State['quiet_views']
         if hidden:
@@ -625,8 +628,11 @@ def on_hover(self, view, point, hover_zone):
 class SublimeLinterLineReportCommand(sublime_plugin.WindowCommand):
     def run(self):
         view = self.window.active_view()
+        if not view:
+            return
+
         point = view.sel()[0].begin()
-        open_tooltip(self.window.active_view(), point, line_report=True)
+        open_tooltip(view, point, line_report=True)
 
 
 TOOLTIP_STYLES = '''

status_bar_view.py

@@ -31,7 +31,7 @@ def plugin_unloaded():
 @events.on(events.LINT_RESULT)
 def on_lint_result(buffer_id, **kwargs):
     active_view = State['active_view']
-    if active_view.buffer_id() == buffer_id:
+    if active_view and active_view.buffer_id() == buffer_id:
         draw(**State)
 
 
@@ -51,7 +51,7 @@ def on_selection_modified_async(self, view):
         active_view = State['active_view']
         # It is possible that views (e.g. panels) update in the background.
         # So we check here and return early.
-        if active_view.buffer_id() != view.buffer_id():
+        if not active_view or active_view.buffer_id() != view.buffer_id():
             return
 
         current_pos = get_current_pos(active_view)

sublime_linter.py

@@ -103,7 +103,8 @@ def visible_views():
 
     # Priority for the active view
     active_view = window.active_view()
-    yield active_view
+    if active_view:
+        yield active_view
 
     num_groups = window.num_groups()
     for group_id in range(num_groups):