patch2vimedit/patch2vimedit/main.py

75 lines
1.8 KiB
Python

import argparse
import pathlib
import os
import sys
import time
import patch
from tmux import TmuxSession
def parse_args():
""" Parse command-line arguments """
parser = argparse.ArgumentParser(prog="patch2vimedit")
parser.add_argument(
"-C",
"--directory",
metavar="DIR",
help="Change to DIR before performing any operations.",
)
parser.add_argument(
"patch",
help=(
"The patch file to be applied. If '-' is supplied, reads from STDIN "
"instead."
),
)
return parser.parse_args()
def get_patch(patch_path):
if patch_path == "-":
return patch.PatchSet(sys.stdin)
with open(patch_path, "rb") as stream:
return patch.PatchSet(stream)
def main():
""" Entry-point function """
args = parse_args()
if args.directory:
chdir_to = pathlib.Path(args.directory)
if not chdir_to.is_dir():
print(
(
"The required working directory '{}' does not exist, or is not a "
"directory."
).format(str(chdir_to)),
file=sys.stderr,
)
sys.exit(1)
os.chdir(chdir_to)
patchset = get_patch(args.patch)
tmux_session = TmuxSession.create_detached()
tmux_fg_process = tmux_session.process_attach(read_only=True)
time.sleep(0.2)
tmux_session.send_keys('echo "Hello, world!"', "enter")
time.sleep(1)
tmux_session.send_keys('echo "Bye, world!"', "enter")
time.sleep(1)
tmux_session.send_keys("exit", "enter")
tmux_fg_process.join(1)
if tmux_fg_process.exitcode is None: # Did not terminate -- kill it
tmux_fg_process.kill()
if tmux_session.session_exists():
tmux_session.session.kill_session()
if __name__ == "__main__":
main()