mirror of
https://github.com/nvbn/thefuck.git
synced 2025-04-15 23:30:44 +01:00
154 lines
4.4 KiB
Python
154 lines
4.4 KiB
Python
from argparse import ArgumentParser
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from warnings import warn
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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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import pkg_resources
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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, types, shells
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from .conf import initialize_settings_file, init_settings, settings
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from .corrector import get_corrected_commands
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from .utils import compatibility_call
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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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initialize_settings_file(user_dir)
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return user_dir
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def wait_output(popen):
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"""Returns `True` if we can get output of the command in the
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`settings.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(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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script = script.strip()
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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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result = Popen(script, shell=True, stdout=PIPE, stderr=PIPE, env=env)
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if wait_output(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))
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logs.debug(u'Received stderr: {}'.format(stderr))
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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!')
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return types.Command(script, None, None)
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def run_command(old_cmd, command):
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"""Runs command from rule for passed command."""
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if command.side_effect:
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compatibility_call(command.side_effect, old_cmd, command.script)
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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 fix_command():
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colorama.init()
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user_dir = setup_user_dir()
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init_settings(user_dir)
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with logs.debug_time('Total'):
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logs.debug(u'Run with settings: {}'.format(pformat(settings)))
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command = get_command(sys.argv)
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if not command:
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logs.debug('Empty command, nothing to do')
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return
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corrected_commands = get_corrected_commands(command)
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selected_command = select_command(corrected_commands)
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if selected_command:
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run_command(command, selected_command)
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def _get_current_version():
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return pkg_resources.require('thefuck')[0].version
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def print_alias(entry_point=True):
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if entry_point:
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warn('`thefuck-alias` is deprecated, use `thefuck --alias` instead.')
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position = 1
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else:
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position = 2
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alias = shells.thefuck_alias()
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if len(sys.argv) > position:
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alias = sys.argv[position]
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print(shells.app_alias(alias))
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def how_to_configure_alias():
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"""Shows useful information about how-to configure alias.
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It'll be only visible when user type fuck and when alias isn't configured.
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"""
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colorama.init()
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user_dir = setup_user_dir()
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init_settings(user_dir)
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logs.how_to_configure_alias(shells.how_to_configure())
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def main():
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parser = ArgumentParser(prog='thefuck')
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parser.add_argument('-v', '--version',
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action='version',
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version='%(prog)s {}'.format(_get_current_version()))
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parser.add_argument('-a', '--alias',
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action='store_true',
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help='[custom-alias-name] prints alias for current shell')
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parser.add_argument('command',
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nargs='*',
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help='command that should be fixed')
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known_args = parser.parse_args(sys.argv[1:2])
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if known_args.alias:
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print_alias(False)
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elif known_args.command:
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fix_command()
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else:
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parser.print_usage()
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