Coverage for tests / atomic_write_example.py: 100%
29 statements
« prev ^ index » next coverage.py v7.13.1, created at 2026-11-09 00:15 +0000
1import time 1abcdefg
3import typer 1abcdefg
5app = typer.Typer() 1abcdefg
8@app.command() 1abcdefg
9def write_atomic( 1abcdefg
10 config: typer.FileText = typer.Option(..., mode="w", atomic=True),
11 pause: float = typer.Option(0.3),
12) -> None:
13 config.write("atomic-content-1\n") 1abcdefg
14 config.flush() 1abcdefg
15 typer.echo("halfway") 1abcdefg
16 time.sleep(pause) 1abcdefg
17 config.write("atomic-content-2\n") 1abcdefg
18 config.flush() 1abcdefg
19 typer.echo("written atomically") 1abcdefg
22@app.command() 1abcdefg
23def write_atomic_binary( 1abcdefg
24 config: typer.FileBinaryWrite = typer.Option(..., atomic=True, lazy=False),
25) -> None:
26 config.write(b"\x00\x01binary-atomic\n") 1abcdefg
27 typer.echo("written binary atomically") 1abcdefg
30@app.command() 1abcdefg
31def api_atomic( 1abcdefg
32 config: typer.FileText = typer.Option(..., mode="w", atomic=True, lazy=False),
33) -> None:
34 typer.echo(f"name={config.name}") 1abcdefg
35 typer.echo(f"repr={repr(config)}") 1abcdefg
36 with config as entered: 1abcdefg
37 typer.echo(f"entered={entered is config}") 1abcdefg
38 entered.write("atomic-api-done\n") 1abcdefg
41@app.command() 1abcdefg
42def invalid_atomic_append( 1abcdefg
43 config: typer.FileText = typer.Option(..., mode="a", atomic=True, lazy=False),
44) -> None:
45 typer.echo(config.name) # pragma: no cover
48@app.command() 1abcdefg
49def invalid_atomic_exclusive( 1abcdefg
50 config: typer.FileText = typer.Option(..., mode="x", atomic=True, lazy=False),
51) -> None:
52 typer.echo(config.name) # pragma: no cover
55@app.command() 1abcdefg
56def invalid_atomic_read( 1abcdefg
57 config: typer.FileText = typer.Option(..., mode="r", atomic=True, lazy=False),
58) -> None:
59 typer.echo(config.name) # pragma: no cover
62if __name__ == "__main__": 1abcdefg
63 app() 1abcdefg