kitty/kittens/runner.py
2018-04-12 09:23:48 +05:30

77 lines
2.1 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
import importlib
import os
import sys
from functools import partial
aliases = {'url_hints': 'hints'}
def resolved_kitten(k):
return aliases.get(k, k)
def import_kitten_main_module(config_dir, kitten):
if kitten.endswith('.py'):
path = os.path.expanduser(kitten)
if not os.path.isabs(path):
path = os.path.join(config_dir, path)
path = os.path.abspath(path)
if os.path.dirname(path):
sys.path.insert(0, os.path.dirname(path))
with open(path) as f:
src = f.read()
code = compile(src, path, 'exec')
g = {'__name__': 'kitten'}
exec(code, g)
return {'start': g['main'], 'end': g['handle_result']}
else:
kitten = resolved_kitten(kitten)
m = importlib.import_module('kittens.{}.main'.format(kitten))
return {'start': m.main, 'end': m.handle_result}
def create_kitten_handler(kitten, orig_args):
from kitty.constants import config_dir
kitten = resolved_kitten(kitten)
m = import_kitten_main_module(config_dir, kitten)
return partial(m['end'], [kitten] + orig_args)
def launch(args):
config_dir, kitten = args[:2]
kitten = resolved_kitten(kitten)
del args[:2]
args = [kitten] + args
os.environ['KITTY_CONFIG_DIRECTORY'] = config_dir
from kittens.tui.operations import clear_screen, reset_mode
m = import_kitten_main_module(config_dir, kitten)
result = m['start'](args)
print(reset_mode('ALTERNATE_SCREEN') + clear_screen(), end='')
if result is not None:
import json
print('OK:', json.dumps(result))
sys.stderr.flush()
sys.stdout.flush()
def run_kitten(kitten):
import runpy
kitten = resolved_kitten(kitten)
runpy.run_module('kittens.{}.main'.format(kitten), run_name='__main__')
def main():
try:
args = sys.argv[1:]
launch(args)
except Exception:
print('Unhandled exception running kitten:')
import traceback
traceback.print_exc()
input('Press Enter to quit...')