mirror of
https://github.com/nwg-piotr/nwg-shell.git
synced 2024-09-11 14:17:12 +03:00
91 lines
3.3 KiB
Python
91 lines
3.3 KiB
Python
#!/usr/bin/python3
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"""
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This script checks the installed nwg-shell package version, first installed shell version, and performed updates,
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recorded in the shell data file. If the shell needs an update, it sends a notification, and saves the lock file,
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to avoid consecutive runs -> notifications in the same sway session. The lock file will be then removed in `autostart`.
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Project: https://github.com/nwg-piotr/nwg-shell
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Author's email: nwg.piotr@gmail.com
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Copyright (c) 2022 Piotr Miller
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License: MIT
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"""
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import os
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import subprocess
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import sys
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import time
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from nwg_shell.__about__ import __version__
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from nwg_shell.tools import check_key, load_json, save_string, temp_dir, eprint
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data_home = os.getenv('XDG_DATA_HOME') if os.getenv('XDG_DATA_HOME') else os.path.join(os.getenv("HOME"),
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".local/share")
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tmp_dir = temp_dir()
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def main():
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lock_file = os.path.join(tmp_dir, "nwg-shell-check-update.lock")
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if os.path.isfile(lock_file):
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# don't notify twice
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print("'{}' file found, terminating".format(lock_file))
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sys.exit(0)
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# This file will be removed in autostart
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save_string(str("this is to avoid multiple nwg-shell update checks in the same sway session"), lock_file)
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shell_data_file = os.path.join(data_home, "nwg-shell/data")
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if not os.path.isfile(shell_data_file):
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eprint("'{}' file not found, can't check updates. Terminating.".format(shell_data_file))
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sys.exit(1)
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shell_data = load_json(shell_data_file)
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if not shell_data:
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eprint("'{}' file corrupted, can't check updates. Terminating.".format(shell_data_file))
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sys.exit(1)
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# "installed-version" and "updates" keys will be missing from pre-0.3.0 installs
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# we only substitute them temporarily here, w/o saving
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defaults = {
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"installed-version": "0.0.0",
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"updates": [],
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"interface-locale": ""
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}
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for key in defaults:
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check_key(shell_data, key, defaults[key])
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# Shell versions that need to trigger update
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need_update = ["0.3.0", "0.3.4"]
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if __version__ > shell_data["installed-version"]:
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# If not just installed
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pending_updates = []
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for version in need_update:
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if version not in shell_data["updates"] and version > shell_data["installed-version"]:
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pending_updates.append(version)
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if len(pending_updates) > 0:
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updates_desc = ", ".join(pending_updates)
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print("Update(s) to {} available.".format(", ".join(pending_updates)))
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# notification looks better if appears after a period of time since startup
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time.sleep(5)
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# send notification with actions, wait for response
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output = subprocess.check_output(
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'exec {}'.format(
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"notify-send -i /usr/share/pixmaps/nwg-shell.svg 'nwg-shell update' "
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"'Update(s) to {} available!' --action=update=Update --action=later=Later --wait".format(
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updates_desc)), shell=True)
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if output.strip().decode("utf-8") == "update":
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# run updater script
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subprocess.call('exec nwg-shell-updater', shell=True)
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else:
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print("No upgrade needed.")
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else:
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print("Just installed.")
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if __name__ == '__main__':
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main()
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