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Better error message for +launch

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This commit is contained in:
Kovid Goyal 2021-06-28 19:38:51 +05:30
parent 90164dfee7
commit 2105940286
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 11 additions and 2 deletions
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11
__main__.py
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@ -49,13 +49,22 @@ def complete(args: List[str]) -> None:
def launch(args: List[str]) -> None: def launch(args: List[str]) -> None:
import runpy import runpy
sys.argv = args[1:] sys.argv = args[1:]
try:
exe = args[1] exe = args[1]
except IndexError:
raise SystemExit(
'usage: kitty +launch script.py [arguments to be passed to script.py ...]\n\n'
'script.py will be run with full access to kitty code. If script.py is '
'prefixed with a : it will be searched for in PATH'
)
if exe.startswith(':'): if exe.startswith(':'):
import shutil import shutil
q = shutil.which(exe[1:]) q = shutil.which(exe[1:])
if not q: if not q:
raise SystemExit('{} not found in PATH'.format(args[1][1:])) raise SystemExit(f'{exe[1:]} not found in PATH')
exe = q exe = q
if not os.path.exists(exe):
raise SystemExit(f'{exe} does not exist')
runpy.run_path(exe, run_name='__main__') runpy.run_path(exe, run_name='__main__')