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i3 persistent workspaces
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| from __future__ import annotations | |
| import argparse | |
| import json | |
| import subprocess | |
| from typing import Callable, Iterable, Iterator, TypedDict | |
| class Workspace(TypedDict): | |
| name: str | |
| def print_workspaces(names: Iterable[str]) -> None: | |
| workspace_iter: Iterator[Workspace] = iter(json.loads( | |
| subprocess.check_output(['i3-msg', '-t', 'get_workspaces']))) | |
| workspaces: list[Workspace] = [] | |
| workspace = next(workspace_iter, None) | |
| for name in names: | |
| if workspace and workspace['name'] == name: | |
| workspaces.append(workspace) | |
| workspace = next(workspace_iter, None) | |
| else: | |
| workspaces.append({'name': name}) | |
| print(json.dumps(workspaces), flush=True) | |
| def subscribe(callback: Callable[[bytes], None]) -> None: | |
| listener = subprocess.Popen( | |
| ['i3-msg', '-t', 'subscribe', '-m', '["workspace", "output"]'], | |
| stdout=subprocess.PIPE, | |
| ) | |
| assert listener.stdout is not None, 'makes typechecker happy' | |
| for line in listener.stdout: | |
| callback(line) | |
| def main() -> None: | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument('workspaces', nargs='+', metavar='WORKSPACE') | |
| args = parser.parse_args() | |
| workspaces: list[str] = args.workspaces | |
| print_workspaces(workspaces) | |
| subscribe(lambda _: print_workspaces(workspaces)) | |
| if __name__ == '__main__': | |
| main() |
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i3 version 4.23+ is required: https://i3wm.org/docs/i3bar-workspace-protocol.html
i3 config: