janware/jw-pkg
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lib.App: Add property cmdline

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Add the property App.cmdline, containing the invoking command line as
a string.

Signed-off-by: Jan Lindemann <jan@janware.com>
This commit is contained in:
Jan Lindemann 2026-03-08 11:02:48 +01:00
commit 6df4c86fc5
1 changed files with 9 additions and 0 deletions
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9
src/python/jw/pkg/lib/App.py
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@ -52,6 +52,7 @@ class App: # export
from .Cmd import Cmd
self.__args: Namespace|None = None
self.__cmdline: str|None = None
self.__default_log_flags: str = os.getenv('JW_DEFAULT_LOG_FLAGS', default='stderr,position,prio,color')
self.__default_log_level: str|int|None = os.getenv('JW_DEFAULT_LOG_LEVEL', default=NOTICE)
self.__default_log_file: str|None = os.getenv('JW_DEFAULT_LOG_FILE', default=None)
@ -137,6 +138,14 @@ class App: # export
async def _run(self, args: argparse.Namespace) -> None:
return await self.args.func(args)
@property
def cmdline(self) -> str:
if self.__cmdline is None:
with open('/proc/self/cmdline', 'rb') as f:
raw = f.read().split(b'\0')[:-1]
self.__cmdline = ' '.join(shlex.quote(arg.decode()) for arg in raw)
return self.__cmdline
@property
def args(self) -> argparse.Namespace:
return self.__args