i3-companion: move polybar handling into its own function

bin/i3-companion

@@ -33,6 +33,8 @@ def icon(font_number, char):
     return "%%{T%d}%s%%{T-}" % (font_number, char)
 
 
+# Configuration
+
 application_icons = {
     "chromium": icon(2, ""),
     "discord": icon(2, ""),
@@ -84,6 +86,9 @@ NM_DEVICE_STATE_UNMANAGED = 10
 NM_DEVICE_STATE_ACTIVATED = 100
 
 
+# Event helpers
+
+
 def on(*events):
     """Tag events that should be provided to the function."""
 
@@ -176,6 +181,9 @@ def debounce(sleep, *, unless=None, retry=0):
     return decorator
 
 
+# Other helpers
+
+
 async def notify(i3, **kwargs):
     """Send a notification with notify-send."""
     peer = i3.session_bus["org.freedesktop.Notifications"]
@@ -196,6 +204,26 @@ async def notify(i3, **kwargs):
     return await notifications.Notify(**parameters)
 
 
+def polybar(module, content):
+    """Update Polybar module with the provided content."""
+    # Update cache file (for when polybar restarts)
+    with open(f"{os.getenv('XDG_RUNTIME_DIR')}/i3/{module}.txt", "w") as out:
+        out.write(content)
+
+    # Send it to polybar
+    for name in glob.glob("/tmp/polybar_mqueue.*"):
+        try:
+            with open(os.open(name, os.O_WRONLY | os.O_NONBLOCK), "w") as out:
+                cmd = f"action:#{module}.send.{content}"
+                out.write(cmd)
+        except OSError as e:
+            if e.errno != errno.ENXIO:
+                raise
+
+
+# Event handlers
+
+
 @on(StartEvent, I3Event.WINDOW_MOVE, I3Event.WINDOW_NEW, I3Event.WINDOW_CLOSE)
 @debounce(0.2)
 async def workspace_rename(i3, event):
@@ -634,28 +662,13 @@ async def network_manager_status(i3, event, *args):
 
     if status != last:
         logger.info("updated network status")
-
-        # Update cache file (for when polybar restarts)
-        with open(
-            f"{os.getenv('XDG_RUNTIME_DIR')}/i3/network.txt", "w"
-        ) as out:
-            out.write(status)
-
-        # Send it to polybar's module/network
-        for name in glob.glob("/tmp/polybar_mqueue.*"):
-            try:
-                with open(
-                    os.open(name, os.O_WRONLY | os.O_NONBLOCK), "w"
-                ) as out:
-                    cmd = f"action:#network.send.{status}"
-                    out.write(cmd)
-            except OSError as e:
-                if e.errno != errno.ENXIO:
-                    raise
-
+        polybar("network", status)
         network_manager_status.last = status
 
 
+# Main function
+
+
 async def main(options):
     i3 = await Connection().connect()
     i3.session_bus = await ravel.session_bus_async()