mirror of
https://github.com/nvbn/thefuck.git
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94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
from subprocess import Popen, PIPE
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from time import time
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import os
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import sys
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import six
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from .. import logs
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from ..conf import settings
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from ..utils import DEVNULL, memoize, cache
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from .generic import Generic
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class Fish(Generic):
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def _get_overridden_aliases(self):
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overridden = os.environ.get('THEFUCK_OVERRIDDEN_ALIASES',
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os.environ.get('TF_OVERRIDDEN_ALIASES', ''))
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default = {'cd', 'grep', 'ls', 'man', 'open'}
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for alias in overridden.split(','):
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default.add(alias.strip())
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return default
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def app_alias(self, fuck):
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if settings.alter_history:
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alter_history = (' builtin history delete --exact'
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' --case-sensitive -- $fucked_up_command\n'
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' builtin history merge ^ /dev/null\n')
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else:
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alter_history = ''
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# It is VERY important to have the variables declared WITHIN the alias
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return ('function {0} -d "Correct your previous console command"\n'
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' set -l fucked_up_command $history[1]\n'
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' env TF_ALIAS={0} PYTHONIOENCODING=utf-8'
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' thefuck $fucked_up_command | read -l unfucked_command\n'
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' if [ "$unfucked_command" != "" ]\n'
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' eval $unfucked_command\n{1}'
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' end\n'
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'end').format(fuck, alter_history)
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@memoize
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@cache('.config/fish/config.fish', '.config/fish/functions')
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def get_aliases(self):
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overridden = self._get_overridden_aliases()
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proc = Popen(['fish', '-ic', 'functions'], stdout=PIPE, stderr=DEVNULL)
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functions = proc.stdout.read().decode('utf-8').strip().split('\n')
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return {func: func for func in functions if func not in overridden}
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def _expand_aliases(self, command_script):
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aliases = self.get_aliases()
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binary = command_script.split(' ')[0]
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if binary in aliases:
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return u'fish -ic "{}"'.format(command_script.replace('"', r'\"'))
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else:
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return command_script
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def _get_history_file_name(self):
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return os.path.expanduser('~/.config/fish/fish_history')
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def _get_history_line(self, command_script):
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return u'- cmd: {}\n when: {}\n'.format(command_script, int(time()))
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def _script_from_history(self, line):
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if '- cmd: ' in line:
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return line.split('- cmd: ', 1)[1]
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else:
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return ''
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def and_(self, *commands):
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return u'; and '.join(commands)
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def or_(self, *commands):
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return u'; or '.join(commands)
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def how_to_configure(self):
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return self._create_shell_configuration(
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content=u"eval (thefuck --alias | tr '\n' ';')",
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path='~/.config/fish/config.fish',
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reload='fish')
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def put_to_history(self, command):
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try:
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return self._put_to_history(command)
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except IOError:
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logs.exception("Can't update history", sys.exc_info())
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def _put_to_history(self, command_script):
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"""Puts command script to shell history."""
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history_file_name = self._get_history_file_name()
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if os.path.isfile(history_file_name):
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with open(history_file_name, 'a') as history:
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entry = self._get_history_line(command_script)
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if six.PY2:
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history.write(entry.encode('utf-8'))
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else:
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history.write(entry)
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