thefuck/shells/zsh.py
from time import time
import os
from subprocess import Popen, PIPE
from tempfile import gettempdir
from uuid import uuid4
from ..conf import settings
from ..const import ARGUMENT_PLACEHOLDER, USER_COMMAND_MARK
from ..utils import DEVNULL, memoize
from .generic import Generic
class Zsh(Generic):
friendly_name = 'ZSH'
def app_alias(self, alias_name):
# It is VERY important to have the variables declared WITHIN the function
return '''
{name} () {{
TF_PYTHONIOENCODING=$PYTHONIOENCODING;
export TF_SHELL=zsh;
export TF_ALIAS={name};
TF_SHELL_ALIASES=$(alias);
export TF_SHELL_ALIASES;
TF_HISTORY="$(fc -ln -10)";
export TF_HISTORY;
export PYTHONIOENCODING=utf-8;
TF_CMD=$(
thefuck {argument_placeholder} $@
) && eval $TF_CMD;
unset TF_HISTORY;
export PYTHONIOENCODING=$TF_PYTHONIOENCODING;
{alter_history}
}}
'''.format(
name=alias_name,
argument_placeholder=ARGUMENT_PLACEHOLDER,
alter_history=('test -n "$TF_CMD" && print -s $TF_CMD'
if settings.alter_history else ''))
def instant_mode_alias(self, alias_name):
if os.environ.get('THEFUCK_INSTANT_MODE', '').lower() == 'true':
mark = ('%{' +
USER_COMMAND_MARK + '\b' * len(USER_COMMAND_MARK)
+ '%}')
return '''
export PS1="{user_command_mark}$PS1";
{app_alias}
'''.format(user_command_mark=mark,
app_alias=self.app_alias(alias_name))
else:
log_path = os.path.join(
gettempdir(), 'thefuck-script-log-{}'.format(uuid4().hex))
return '''
export THEFUCK_INSTANT_MODE=True;
export THEFUCK_OUTPUT_LOG={log};
thefuck --shell-logger {log};
rm -f {log};
exit
'''.format(log=log_path)
def _parse_alias(self, alias):
name, value = alias.split('=', 1)
if value[0] == value[-1] == '"' or value[0] == value[-1] == "'":
value = value[1:-1]
return name, value
@memoize
def get_aliases(self):
raw_aliases = os.environ.get('TF_SHELL_ALIASES', '').split('\n')
return dict(self._parse_alias(alias)
for alias in raw_aliases if alias and '=' in alias)
def _get_history_file_name(self):
return os.environ.get("HISTFILE",
os.path.expanduser('~/.zsh_history'))
def _get_history_line(self, command_script):
return u': {}:0;{}\n'.format(int(time()), command_script)
def _script_from_history(self, line):
if ';' in line:
return line.split(';', 1)[1]
else:
return ''
def how_to_configure(self):
return self._create_shell_configuration(
content=u'eval $(thefuck --alias)',
path='~/.zshrc',
reload='source ~/.zshrc')
def _get_version(self):
"""Returns the version of the current shell"""
proc = Popen(['zsh', '-c', 'echo $ZSH_VERSION'],
stdout=PIPE, stderr=DEVNULL)
return proc.stdout.read().decode('utf-8').strip()