###
# Copyright (c) 2007, 2009 Brendan Cully
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions, and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
from supybot import utils, plugins, ircutils, callbacks
from supybot.commands import *
import os
import re
import subprocess
def revparse(irc, msg, args, state):
    if ':' in args[0]:
        state.errorInvalid('revision', args[0], 'Contains ":".')
    state.args.append(args.pop(0))
addConverter('revision', revparse)
def phabrevparse(irc, msg, args, state):
    if args[0].startswith('D'):
        args[0] = args[0][1:]
    callConverter('positiveInt', irc, msg, args, state)
addConverter('phabrev', phabrevparse)
class Hg(object):
    def __init__(self, path):
        self.path = path
    def run(self, args):
        with open(os.devnull) as null:
            p = subprocess.Popen([self.path] + args, stdout=subprocess.PIPE,
                                 stderr=subprocess.PIPE, stdin=null,
                                 env={'HGPLAIN': '1', 'HGENCODING': 'UTF-8'})
        out, err = p.communicate()
        return (out.decode('utf-8'), err.decode('utf-8'))
class Mercurial(callbacks.PluginRegexp):
    """Goodies for #mercurial."""
    threaded = True
    callBefore = ['URL', 'Web']
    regexps = ['snarfDifferential', 'snarfDifferentialURL']
    def __init__(self, irc):
        super(Mercurial, self).__init__(irc)
        self.path = self.registryValue('path')
        self.hg = Hg(self.path)
    def hghelp(self, irc, msg, args, cmd):
        """<topic>
        Runs hg help with the given args."""
        def fmt(text):
            lines = text.splitlines()
            out = []
            for line in lines[:3]:
                line = line.strip()
                if not line or line.startswith('aliases:'):
                    continue
                if line.startswith(('options', 'enabled extensions:')):
                    break
                out.append(line)
            if out and ' extension - ' in out[0]:
                out[0] = ircutils.bold(out[0])
            elif len(out) > 1:
                out[1] = ircutils.bold(out[1])
            out = out[:10]
            return out
        out, err = self.hg.run(['help', cmd])
        if err:
            irc.reply(err.splitlines()[0])
        else:
            irc.replies(fmt(out))
    hghelp = wrap(hghelp, ['text'])
    def _changelog(self, irc, repo, rev):
        tmpl = '{rev}:{node|short}\n{date|age}\n{author|person}\n{desc}'
        out, err = self.hg.run([
            '-R', repo, 'log', '-r', rev, '-l', '1', '--template', tmpl, '-v'
        ])
        if err:
            return irc.reply(err.splitlines()[0])
        if not out:
            return irc.reply('no changesets found')
        lines = [line.strip() for line in out.splitlines()]
        node, date, user = lines[:3]
        lines = lines[3:]
        node = ircutils.bold(node)
        user = ircutils.mircColor(user, fg='green')
        lines = ['%s %s %s' % (node, user, date)] + lines
        baseurl, err = self.hg.run(['-R', repo, 'paths', 'default'])
        url = "%s/rev/%s" % (baseurl.strip("\n/"), rev)
        irc.replies(lines[:2] + [url])
    def _changelogcmd(key):
        def cmd(self, irc, msg, args, rev):
            """<revision>
            Returns the changelog message and the URL for the given revision."""
            self._changelog(irc, self.registryValue(key), rev)
        return wrap(cmd, ['revision'])
    main = _changelogcmd('repos.hg')
    hgcommitted = _changelogcmd('repos.hg-committed')
    hgall = _changelogcmd('repos.hg-all')
    def glossary(self, irc, msg, args, term):
        """<term>
        Returns glossary definition (from hg help glossary) for the term."""
        raw, err = self.hg.run(['help', 'glossary'])
        found = False
        done = False
        answer = []
        for line in raw.splitlines():
            if not found and line.lower().startswith('    ' + term.lower()):
                found = True
            elif found and not (line.startswith('        ') or not line):
                done = True
            line = line.strip()
            if found and not done and line:
                answer.append(line)
        if answer:
            irc.replies(answer[1:], joiner=' ')
        else:
            irc.reply('no match found')
    glossary = wrap(glossary, ['text'])
    def differential(self, irc, msg, args, phabrev, gotURL=False):
        """<revision id>
        Returns URL, description and status of revisions on differential."""
        baseurl = self.registryValue('phaburl')
        url = '{}/D{}'.format(baseurl.rstrip('/'), phabrev)
        page = utils.web.getUrl(url).decode('utf-8')
        status = 'Status N/A'
        desc = 'Description N/A'
        match = re.search(r'<div class="phui-header-subheader">.*?</span>(?P<status>[^<]+?)</span>', page)
        if match:
            status = utils.web.htmlToText(match.group('status'))
        match = re.search(r'<span class="phui-header-header">.*?</span>(?P<desc>[^<]+?)</span>', page)
        if match:
            desc = utils.web.htmlToText(match.group('desc'))
        if gotURL:
            url = 'D{}'.format(phabrev)
        item = 'Revision {} {}, {}'.format(url, status, desc)
        irc.reply(item)
    differential = wrap(differential, ['phabrev'])
    def snarfDifferential(self, irc, msg, match):
        r'\bD(?P<phabrev>\d+)\b'
        channel = msg.args[0]
        if not irc.isChannel(channel):
            return
        phabrev = match.group('phabrev')
        self.differential(self, irc, msg, msg.args, phabrev)
    @urlSnarfer
    def snarfDifferentialURL(self, irc, msg, match):
        r'\b(?P<url>https?://\S+/)D(?P<phabrev>\d+)\b'
        channel = msg.args[0]
        if not irc.isChannel(channel):
            return
        url = match.group('url')
        if url.rstrip('/') != self.registryValue('phaburl').rstrip('/'):
            return
        phabrev = match.group('phabrev')
        self.differential(self, irc, msg, msg.args, phabrev, gotURL=True)
Class = Mercurial