New script kitty_notifications.py: Kitty desktop notifications (OSC 99)

[eilefsen]

Script info

• Script name: kitty_notifications.py
• Version: 1.0.0

• Requirements: 

• Min WeeChat version: 

• Script tags: notify py3

Description

Send OS notifications via OSC 99, a feature of the Kitty terminal

Checklist (new script)

• [x] Single commit, single file added
• [x] Commit message: New script name.py: short description…
• [x] No similar script already exists
• [x] Name: max 32 chars, only lower case letters, digits and underscores
• [x] Unique name, does not already exist in repository
• [x] No shebang on the first line
• [x] Comment in script with name/pseudo, e-mail and license
• [x] Only English in code/comments
• [x] Pure WeeChat API used, no extra API
• [x] Function hook_process is used for any blocking call
• [x] For Python script: works with Python 3 (Python 2 support is optional)
• [x] Score 100 / 100 displayed by weechat-script-lint