Source code for

# Copyright (C) 2012-2014 Peter Hatina <>
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <>.

import os
import sys
import subprocess
from site import _Helper

[docs]class LMIHelper(_Helper): """ LMI Helper class, which overrides python help. """ def __repr__(self): """ :returns: pretty string for the object. """ return "Type help() to see man page for lmishell, " \ "or help(object) for help about object." def __call__(self, request=None): """ Executes either man page for LMIShell or prints pydoc help for an object. """ if request is None: try: # Python 3+ from subprocess import DEVNULL as devnull devnull_close = lambda: None except ImportError: devnull = open(os.devnull, "wb") devnull_close = lambda: devnull.close() rcode =["man", "lmishell"], stderr=devnull) devnull_close() if rcode > 0: sys.stderr.write("Man page for lmishell can not be found, ") sys.stderr.write("refer to official documentation.\n\n") sys.stderr.write("Available at:\n") else: import pydoc return