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###
# Copyright (c) 2021, B. Watson
# All rights reserved.
#
#
###
import os
import subprocess
import sys
import re
from supybot import utils, plugins, ircutils, callbacks
from supybot.commands import *
import supybot.utils.minisix as minisix
try:
from supybot.i18n import PluginInternationalization
_ = PluginInternationalization('Manpages')
except ImportError:
# Placeholder that allows to run the plugin on a bot
# without the i18n module
_ = lambda x: x
# The regex stuff is to turn this:
# ls (1) - list directory contents
# into this:
# ls(1) - list directory contents
class Manpages(callbacks.Plugin):
"""Provides Unix manpage and whereis lookups"""
threaded = True
re_sub_spaces = re.compile(r"\s\s+")
re_sub_paren = re.compile(r"\s\(")
def Command(self, irc, msg, args):
try:
with open(os.devnull) as null:
child = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=null)
except OSError as e:
irc.error('Man page lookup failed.', Raise=True)
(out, err) = child.communicate()
child.wait()
out = out + err
if minisix.PY3:
lines = [i.decode('utf-8').rstrip() for i in out.splitlines()]
lines = list(map(str, lines))
else:
lines = out.splitlines()
lines = list(map(str.rstrip, lines))
lines = filter(None, lines)
return lines
# man() is a *very* limited subset of what the real
# man command does. Should maybe be called whatis instead,
# use the Aka plugin to create an alias:
# load Aka
# aka add whatis man $*
def man(self, irc, msg, args, sect_or_page, page):
""" Usage: man <section> <page>, or man <page> for all sections """
cmd = [ '/usr/bin/man', '-f' ]
try:
sect = int(sect_or_page)
if page is None:
irc.error("Missing <page>", Raise=True)
else:
cmd.append("-s")
cmd.append(sect_or_page)
cmd.append(page)
except ValueError:
if page is None:
cmd.append(sect_or_page)
else:
irc.error("Invalid <section>", Raise=True)
lines = self.Command(irc, msg, cmd)
lines = [self.re_sub_spaces.sub(' ', i) for i in lines]
lines = [self.re_sub_paren.sub('(', i) for i in lines]
irc.replies(lines, joiner=' | ')
man = thread(wrap(man, ['somethingWithoutSpaces', optional('somethingWithoutSpaces')]))
# whereis() is a limited subset of the real whereis.
def whereis(self, irc, msg, args, name):
""" <name> """
lines = self.Command(irc, msg, [ '/usr/bin/whereis', name ])
irc.replies(lines, joiner=' | ')
whereis = thread(wrap(whereis, ['somethingWithoutSpaces']))
Class = Manpages
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