annotate hgext/hgcia.py @ 9021:2ccb527c7b1a

gendoc: fix localization of help topic

When a topic provides a callable method for its text, most likely
this text will be generated from different parts, so it does not
make sense to apply gettext on the whole result, rather the method
should provide translation by itself.

This is the case with the extensions topic, which triggers a double
gettext call, making the ASCII codec fail when it encounters 8 bit
characters, and prevents the documentation from being built.

# Copyright (C) 2007-8 Brendan Cully <[e-mail]>
# Published under the GNU GPL

"""hooks for integrating with the CIA.vc notification service

This is meant to be run as a changegroup or incoming hook.
To configure it, set the following options in your hgrc:

[cia]
# your registered CIA user name
user = foo
# the name of the project in CIA
project = foo
# the module (subproject) (optional)
#module = foo
# Append a diffstat to the log message (optional)
#diffstat = False
# Template to use for log messages (optional)
#template = {desc}\\n{baseurl}/rev/{node}-- {diffstat}
# Style to use (optional)
#style = foo
# The URL of the CIA notification service (optional)
# You can use mailto: URLs to send by email, eg
# mailto:[e-mail]
# Make sure to set email.from if you do this.
#url = http://cia.vc/
# print message instead of sending it (optional)
#test = False

[hooks]
# one of these:
changegroup.cia = python:hgcia.hook
#incoming.cia = python:hgcia.hook

[web]
# If you want hyperlinks (optional)
baseurl = http://server/path/to/repo
"""

from mercurial.i18n import _
from mercurial.node import *
from mercurial import cmdutil, patch, templater, util, mail
import email.Parser

import xmlrpclib
from xml.sax import saxutils

socket_timeout = 30 # seconds
try:
    # set a timeout for the socket so you don't have to wait so looooong
    # when cia.vc is having problems. requires python >= 2.3:
    import socket
    socket.setdefaulttimeout(socket_timeout)
except:
    pass

HGCIA_VERSION = '0.1'
HGCIA_URL = 'http://hg.kublai.com/mercurial/hgcia'


class ciamsg(object):
    """ A CIA message """
    def __init__(self, cia, ctx):
        self.cia = cia
        self.ctx = ctx
        self.url = self.cia.url

    def fileelem(self, path, uri, action):
        if uri:
            uri = ' uri=%s' % saxutils.quoteattr(uri)
        return '<file%s action=%s>%s</file>' % (
            uri, saxutils.quoteattr(action), saxutils.escape(path))

    def fileelems(self):
        n = self.ctx.node()
        f = self.cia.repo.status(self.ctx.parents()[0].node(), n)
        url = self.url or ''
        elems = []
        for path in f[0]:
            uri = '%s/diff/%s/%s' % (url, short(n), path)
            elems.append(self.fileelem(path, url and uri, 'modify'))
        for path in f[1]:
            # TODO: copy/rename ?
            uri = '%s/file/%s/%s' % (url, short(n), path)
            elems.append(self.fileelem(path, url and uri, 'add'))
        for path in f[2]:
            elems.append(self.fileelem(path, '', 'remove'))

        return '\n'.join(elems)

    def sourceelem(self, project, module=None, branch=None):
        msg = ['<source>', '<project>%s</project>' % saxutils.escape(project)]
        if module:
            msg.append('<module>%s</module>' % saxutils.escape(module))
        if branch:
            msg.append('<branch>%s</branch>' % saxutils.escape(branch))
        msg.append('</source>')

        return '\n'.join(msg)

    def diffstat(self):
        class patchbuf(object):
            def __init__(self):
                self.lines = []
                # diffstat is stupid
                self.name = 'cia'
            def write(self, data):
                self.lines.append(data)
            def close(self):
                pass

        n = self.ctx.node()
        pbuf = patchbuf()
        patch.export(self.cia.repo, [n], fp=pbuf)
        return patch.diffstat(pbuf.lines) or ''

    def logmsg(self):
        diffstat = self.cia.diffstat and self.diffstat() or ''
        self.cia.ui.pushbuffer()
        self.cia.templater.show(self.ctx, changes=self.ctx.changeset(),
                                url=self.cia.url, diffstat=diffstat)
        return self.cia.ui.popbuffer()

    def xml(self):
        n = short(self.ctx.node())
        src = self.sourceelem(self.cia.project, module=self.cia.module,
                              branch=self.ctx.branch())
        # unix timestamp
        dt = self.ctx.date()
        timestamp = dt[0]

        author = saxutils.escape(self.ctx.user())
        rev = '%d:%s' % (self.ctx.rev(), n)
        log = saxutils.escape(self.logmsg())

        url = self.url and '<url>%s/rev/%s</url>' % (saxutils.escape(self.url),
                                                     n) or ''

        msg = """
<message>
  <generator>
    <name>Mercurial (hgcia)</name>
    <version>%s</version>
    <url>%s</url>
    <user>%s</user>
  </generator>
  %s
  <body>
    <commit>
      <author>%s</author>
      <version>%s</version>
      <log>%s</log>
      %s
      <files>%s</files>
    </commit>
  </body>
  <timestamp>%d</timestamp>
</message>
""" % \
            (HGCIA_VERSION, saxutils.escape(HGCIA_URL),
            saxutils.escape(self.cia.user), src, author, rev, log, url,
            self.fileelems(), timestamp)

        return msg


class hgcia(object):
    """ CIA notification class """

    deftemplate = '{desc}'
    dstemplate = '{desc}\n-- \n{diffstat}'

    def __init__(self, ui, repo):
        self.ui = ui
        self.repo = repo

        self.ciaurl = self.ui.config('cia', 'url', 'http://cia.vc')
        self.user = self.ui.config('cia', 'user')
        self.project = self.ui.config('cia', 'project')
        self.module = self.ui.config('cia', 'module')
        self.diffstat = self.ui.configbool('cia', 'diffstat')
        self.emailfrom = self.ui.config('email', 'from')
        self.dryrun = self.ui.configbool('cia', 'test')
        self.url = self.ui.config('web', 'baseurl')

        style = self.ui.config('cia', 'style')
        template = self.ui.config('cia', 'template')
        if not template:
            template = self.diffstat and self.dstemplate or self.deftemplate
        template = templater.parsestring(template, quoted=False)
        t = cmdutil.changeset_templater(self.ui, self.repo, False, None,
                                        style, False)
        t.use_template(template)
        self.templater = t

    def sendrpc(self, msg):
        srv = xmlrpclib.Server(self.ciaurl)
        srv.hub.deliver(msg)

    def sendemail(self, address, data):
        p = email.Parser.Parser()
        msg = p.parsestr(data)
        msg['Date'] = util.datestr(format="%a, %d %b %Y %H:%M:%S %1%2")
        msg['To'] = address
        msg['From'] = self.emailfrom
        msg['Subject'] = 'DeliverXML'
        msg['Content-type'] = 'text/xml'
        msgtext = msg.as_string(0)

        self.ui.status(_('hgcia: sending update to %s\n') % address)
        mail.sendmail(self.ui, util.email(self.emailfrom),
                      [address], msgtext)


def hook(ui, repo, hooktype, node=None, url=None, **kwargs):
    """ send CIA notification """
    def sendmsg(cia, ctx):
        msg = ciamsg(cia, ctx).xml()
        if cia.dryrun:
            ui.write(msg)
        elif cia.ciaurl.startswith('mailto:'):
            if not cia.emailfrom:
                raise util.Abort(_('email.from must be defined when '
                                   'sending by email'))
            cia.sendemail(cia.ciaurl[7:], msg)
        else:
            cia.sendrpc(msg)

    n = bin(node)
    cia = hgcia(ui, repo)
    if not cia.user:
        ui.debug(_('cia: no user specified'))
        return
    if not cia.project:
        ui.debug(_('cia: no project specified'))
        return
    if hooktype == 'changegroup':
        start = repo.changelog.rev(n)
        end = len(repo.changelog)
        for rev in xrange(start, end):
            n = repo.changelog.node(rev)
            ctx = repo.changectx(n)
            sendmsg(cia, ctx)
    else:
        ctx = repo.changectx(n)
        sendmsg(cia, ctx)