nvbn
102 lines
3.0 KiB
Python
102 lines
3.0 KiB
Python
from pathlib import Path
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from os.path import expanduser
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from pprint import pformat
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from subprocess import Popen, PIPE
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import os
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import sys
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from psutil import Process, TimeoutExpired
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import colorama
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import six
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from . import logs, conf, types, shells
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from .corrector import get_corrected_commands
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from .ui import select_command
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def setup_user_dir():
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"""Returns user config dir, create it when it doesn't exist."""
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user_dir = Path(expanduser('~/.thefuck'))
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rules_dir = user_dir.joinpath('rules')
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if not rules_dir.is_dir():
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rules_dir.mkdir(parents=True)
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conf.initialize_settings_file(user_dir)
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return user_dir
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def wait_output(settings, popen):
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"""Returns `True` if we can get output of the command in the
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`wait_command` time.
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Command will be killed if it wasn't finished in the time.
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"""
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proc = Process(popen.pid)
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try:
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proc.wait(settings.wait_command)
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return True
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except TimeoutExpired:
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for child in proc.children(recursive=True):
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child.kill()
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proc.kill()
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return False
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def get_command(settings, args):
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"""Creates command from `args` and executes it."""
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if six.PY2:
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script = ' '.join(arg.decode('utf-8') for arg in args[1:])
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else:
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script = ' '.join(args[1:])
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if not script:
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return
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script = shells.from_shell(script)
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env = dict(os.environ)
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env.update(settings.env)
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with logs.debug_time(u'Call: {}; with env: {};'.format(script, env),
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settings):
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result = Popen(script, shell=True, stdout=PIPE, stderr=PIPE, env=env)
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if wait_output(settings, result):
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stdout = result.stdout.read().decode('utf-8')
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stderr = result.stderr.read().decode('utf-8')
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logs.debug(u'Received stdout: {}'.format(stdout), settings)
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logs.debug(u'Received stderr: {}'.format(stderr), settings)
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return types.Command(script, stdout, stderr)
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else:
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logs.debug(u'Execution timed out!', settings)
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return types.Command(script, None, None)
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def run_command(command, settings):
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"""Runs command from rule for passed command."""
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if command.side_effect:
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command.side_effect(command, settings)
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shells.put_to_history(command.script)
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print(command.script)
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# Entry points:
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def main():
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colorama.init()
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user_dir = setup_user_dir()
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settings = conf.get_settings(user_dir)
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with logs.debug_time('Total', settings):
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logs.debug(u'Run with settings: {}'.format(pformat(settings)), settings)
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command = get_command(settings, sys.argv)
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corrected_commands = get_corrected_commands(command, user_dir, settings)
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selected_command = select_command(corrected_commands, settings)
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if selected_command:
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run_command(selected_command, settings)
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def print_alias():
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alias = shells.thefuck_alias()
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if len(sys.argv) > 1:
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alias = sys.argv[1]
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print(shells.app_alias(alias))
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