Handle header names case insensitively

README.md

@@ -49,6 +49,7 @@ bar-gmail auth
 ```
 
 Then just run `bar-gmail` or `bar-gmail --format polybar` periodically to get unread messages count and new message notifications.
+
 Credentials and session are stored in *~/.cache/bar-gmail*.
 
 ## Waybar config example
@@ -98,7 +99,8 @@ click-left = xdg-open https://mail.google.com/mail/u/0/#inbox
 ## Script arguments
 
 See `bar-gmail --help` for the full list of available subcommands and command arguments.
-Possible values for `-s`, `--sound` can be obtained with:
+
+Possible values for `-s`, `--sound` is obtained with:
 
 ```shell
 ls /usr/share/sounds/freedesktop/stereo/ | cut -d. -f1

bar_gmail/app.py

@@ -60,7 +60,7 @@ def _play_sound(self):
 
     def _send_notification(self, message):
         try:
-            Popen(['notify-send', *self.notification_args, message['From'], message['Subject']],
+            Popen(['notify-send', *self.notification_args, message['from'], message['subject']],
                   stderr=open(os.devnull, 'wb'))
         except FileNotFoundError:
             pass

bar_gmail/gmail.py

@@ -31,8 +31,9 @@ def gmail(self):
     def _filter_headers(headers: list) -> dict:
         result = {}
         for header in headers:
-            if header['name'] == 'From' or header['name'] == 'Subject':
-                result[header['name']] = header['value']
+            name = header['name'].lower()
+            if name in ['from', 'subject']:
+                result[name] = header['value']
         return result
 
     def authenticate(self) -> bool:

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bar-gmail"
-version = "1.0.2"
+version = "1.0.3"
 description = "Get notifications and unread messages count from Gmail (Waybar/Polybar module)"
 license = "MIT"
 readme = "README.md"