mirror of
https://github.com/fish-shell/fish-shell
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82 lines
1.8 KiB
Python
82 lines
1.8 KiB
Python
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#!/usr/bin/env python3
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import os
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import signal
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from pexpect_helper import SpawnedProc
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sp = SpawnedProc()
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send, sendline, sleep, expect_prompt, expect_str, expect_re = (
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sp.send,
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sp.sendline,
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sp.sleep,
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sp.expect_prompt,
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sp.expect_str,
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sp.expect_re,
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)
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# Ensure that signals don't tear escape sequences. See #8628.
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expect_prompt()
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# Allow for long delays before matching escape.
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sendline(r"set -g fish_escape_delay_ms 2000")
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expect_prompt()
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# Set up a handler for SIGUSR1.
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sendline(r"set -g sigusr1_count 0")
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expect_prompt()
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sendline(
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r"""
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function usr1_handler --on-signal SIGUSR1;
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set sigusr1_count (math $sigusr1_count + 1);
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echo Got SIGUSR1 $sigusr1_count;
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commandline -f repaint;
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end
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""".strip().replace(
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"\n", os.linesep
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)
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)
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expect_prompt()
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# Set up a wacky binding with an escape.
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sendline(r"function wacky_handler; echo Wacky Handler; end")
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expect_prompt()
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sendline(r"bind abc\edef wacky_handler")
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expect_prompt()
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# We can respond to SIGUSR1.
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os.kill(sp.spawn.pid, signal.SIGUSR1)
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expect_str(r"Got SIGUSR1 1")
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sendline(r"")
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expect_prompt()
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# Our wacky binding works.
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send("abc\x1bdef")
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expect_str(r"Wacky Handler")
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sendline(r"")
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expect_prompt()
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# Now we interleave the sequence with SIGUSR1.
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# What we expect to happen is that the signal is "shuffled to the front" ahead of the key events.
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send("abc")
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sleep(0.05)
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os.kill(sp.spawn.pid, signal.SIGUSR1)
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sleep(0.05)
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send("\x1bdef")
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expect_str(r"Got SIGUSR1 2")
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expect_str(r"Wacky Handler")
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sendline(r"")
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expect_prompt()
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# As before but it comes after the ESC.
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# The signal will arrive while we are waiting in getch_timed().
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send("abc\x1b")
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sleep(0.05)
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os.kill(sp.spawn.pid, signal.SIGUSR1)
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sleep(0.05)
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send("def")
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expect_str(r"Got SIGUSR1 3")
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expect_str(r"Wacky Handler")
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sendline(r"")
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expect_prompt()
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