view setup.py @ 957:67bf14c91d5c

server (pages): added a confirm flag on successful post: A new set is used in SATSession to keep flags. First flag is "confirm": it is set when some data have been posted (so a confirmation message can be displayed in template). If seen in session, the template "confirm" variable is set to True, and the flag is removed from session (a refresh of the page will not display the confirm message anymore).
author Goffi <goffi@goffi.org>
date Tue, 11 Jul 2017 07:46:20 +0200
parents 0c0551967bdf
children 1bbc29aad56a
line wrap: on
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# Libervia: a Salut à Toi frontend
# Copyright (C) 2011-2016  Jérôme Poisson (goffi@goffi.org)
# Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from ez_setup import use_setuptools
use_setuptools()
from setuptools.command.install import install
from setuptools import setup
from distutils.file_util import copy_file
import os
import sys
import subprocess
from stat import ST_MODE
import shutil
from src.server.constants import Const as C
import tempfile

# seen here: http://stackoverflow.com/questions/7275295
try:
    from setuptools.command import egg_info
    egg_info.write_toplevel_names
except (ImportError, AttributeError):
    pass
else:
    def _top_level_package(name):
        return name.split('.', 1)[0]

    def _hacked_write_toplevel_names(cmd, basename, filename):
        pkgs = dict.fromkeys(
            [_top_level_package(k)
                for k in cmd.distribution.iter_distribution_names()
                if _top_level_package(k) != "twisted"
            ]
        )
        cmd.write_file("top-level names", filename, '\n'.join(pkgs) + '\n')

    egg_info.write_toplevel_names = _hacked_write_toplevel_names


NAME = 'libervia'
LAUNCH_DAEMON_COMMAND = 'libervia'

ENV_LIBERVIA_INSTALL = "LIBERVIA_INSTALL"  # environment variable to customise installation
JS_DEBUG = "jsdebug" # use debug mode with pyjsbuild
NO_PREINSTALL_OPT = 'nopreinstall'  # skip all preinstallation checks
AUTO_DEB_OPT = 'autodeb'  # automaticaly install debs
CLEAN_OPT = 'clean'  # remove previous installation directories
PURGE_OPT = 'purge'  # remove building and previous installation directories


class MercurialException(Exception):
    pass


def module_installed(module_name):
    """Try to import module_name, and return False if it failed
    @param module_name: name of the module to test
    @return: True if successful"""
    try:
        __import__(module_name)
    except ImportError:
        return False
    return True


class CustomInstall(install):

    def custom_auto_options(self):
        """Change options for twistd in the shell script
        Mainly change the paths"""
        sh_buffer = ""
        with open(self.sh_script_path, 'r') as sh_file:
            for ori_line in sh_file:
                if ori_line.startswith('PLUGIN_OPTIONS='):
                    dest_line = 'PLUGIN_OPTIONS="-d %s"\n' % self.install_data_dir
                elif ori_line.startswith('PYTHON='):
                    dest_line = 'PYTHON="%s"\n' % sys.executable
                else:
                    dest_line = ori_line
                sh_buffer += dest_line

        with open(self.sh_script_path, 'w') as sh_file:
            sh_file.write(sh_buffer)

    def custom_create_links(self):
        """Create symbolic links to executables"""
        # the script which launch the daemon
        for source, dest in self.sh_script_links:
            if os.path.islink(dest) and os.readlink(dest) != source:
                os.remove(dest)  # copy_file doesn't force the link update
            dest_name, copied = copy_file(source, dest, link='sym')
            assert (copied)
            # we change the perm in the same way as in the original install_scripts
            mode = ((os.stat(dest_name)[ST_MODE]) | 0555) & 07777
            os.chmod(dest_name, mode)

    def pyjs_build(self):
        """Build the browser side JS files from Python source."""
        cwd = os.getcwd()
        os.chdir(os.path.join('src', 'browser'))
        # we must have only certain package in the path, so we create a tmp dir to link only what we need
        tmp_dir = tempfile.mkdtemp()
        import sat, sat_frontends, libervia
        os.symlink(os.path.dirname(sat.__file__), os.path.join(tmp_dir,"sat")) # FIXME: only work on unixes
        os.symlink(os.path.dirname(sat_frontends.__file__), os.path.join(tmp_dir,"sat_frontends")) # FIXME: only work on unixes
        os.symlink(os.path.dirname(libervia.__file__), os.path.join(tmp_dir,"libervia")) # FIXME: only work on unixes
        for module in ('libervia_main', 'libervia_test'):
            build_args = ['pyjsbuild', module] + (['-d'] if JS_DEBUG in install_opt else []) + ['--no-compile-inplace', '-I', tmp_dir, '-o', self.pyjamas_output_dir]
            result = subprocess.call(build_args)
            if result != 0:
                continue
        shutil.rmtree(tmp_dir)
        os.chdir(cwd)
        return result

    def copy_data_files(self):
        # XXX: To copy the JS files couldn't be done with the data_files parameter
        # of setuptools.setup because all the files to be copied must exist before
        # the call. Also, we need the value of self.install_lib to build the JS
        # files (it's not easily predictable as it may vary from one system to
        # another), so we can't call pyjsbuild before setuptools.setup.

        html = os.path.join(self.install_data_dir, C.HTML_DIR)
        if os.path.isdir(html):
            shutil.rmtree(html, ignore_errors=True)
        shutil.copytree(self.pyjamas_output_dir, html)

    def run(self):
        self.sh_script_path = os.path.join(self.install_lib, NAME, 'libervia.sh')
        self.sh_script_links = [(self.sh_script_path, os.path.join(self.install_scripts, LAUNCH_DAEMON_COMMAND))]
        self.install_data_dir = os.path.join(self.install_data, 'share', NAME)
        self.pyjamas_output_dir = os.path.join(os.getcwd(), 'html')
        sys.stdout.write('running pre installation stuff\n')
        sys.stdout.flush()
        if PURGE_OPT in install_opt:
            self.purge()
        elif CLEAN_OPT in install_opt:
            self.clean()
        install.run(self)
        sys.stdout.write('running post installation stuff\n')
        sys.stdout.flush()
        try:
            build_result = self.pyjs_build()  # build after libervia.common is accessible
        except OSError as e:
            print "can't run pyjsbuild, are you sure pyjamas is installed?\nexception: {}".format(e)
            return
        if build_result == 127:  # TODO: remove magic string  # FIXME: seems useless as an OSError is raised if pyjsbuild is not accessible
            print "pyjsbuild is not installed or not accessible from the PATH of user '%s'" % os.getenv('USERNAME')
            return
        if build_result != 0:
            print "pyjsbuild failed to build libervia"
            return
        self.copy_data_files()
        self.custom_auto_options()
        self.custom_create_links()

    def confirm(self, message):
        """Ask the user for a confirmation"""
        message += 'Proceed'
        while True:
            res = raw_input("%s (y/n)? " % message)
            if res not in ['y', 'Y', 'n', 'N']:
                print "Your response ('%s') was not one of the expected responses: y, n" % res
                message = 'Proceed'
                continue
            if res in ('y', 'Y'):
                return True
            return False

    def clean(self, message=None, to_remove=None):
        """Clean previous installation directories

        @param message (str): to use a non-default confirmation message
        @param to_remove (str): extra files/directories to remove
        """
        if message is None:
            message = "Cleaning previous installation directories"
        if to_remove is None:
            to_remove = []
        for path in [os.path.join(self.install_lib, NAME),
                     self.install_data_dir,
                     os.path.join(self.install_data, 'share', 'doc', NAME),
                     os.path.join(self.install_lib, "%s.egg-info" % self.config_vars['dist_fullname']),
                     os.path.join(self.install_lib, "%s-py%s.egg-info" % (self.config_vars['dist_fullname'], self.config_vars['py_version_short'])),
                     ]:
            if os.path.isdir(path):
                to_remove.append(path)
        for source, dest in self.sh_script_links:
            if os.path.islink(dest):
                to_remove.append(dest)
        plugin_file = os.path.join(self.install_lib, 'twisted', 'plugins', NAME)
        if os.path.isfile(plugin_file):
            to_remove.append(plugin_file)

        message = "%s:\n%s\n" % (message, "\n".join(["    %s" % path for path in to_remove]))
        if not self.confirm(message):
            return
        sys.stdout.write('cleaning previous installation directories...\n')
        sys.stdout.flush()
        for path in to_remove:
            if os.path.isdir(path):
                shutil.rmtree(path, ignore_errors=True)
            else:
                os.remove(path)

    def purge(self):
        """Clean building and previous installation directories"""
        message = "Cleaning building and previous installation directories"
        to_remove = [os.path.join(os.getcwd(), 'build'), self.pyjamas_output_dir]
        self.clean(message, to_remove)


def preinstall_check(install_opt):
    """Check presence of problematic dependencies, and try to install them with package manager
    This ugly stuff is necessary as distributions are not installed correctly with setuptools/distribute
    Hope to remove this at some point"""

    modules_tocheck = []  # if empty this method is dummy

    package = {'twisted': 'python-twisted-core',
               'twisted.words': 'python-twisted-words',
               'twisted.web': 'python-twisted-web',
               'mercurial': 'mercurial'}  # this dict map dependencies to packages names for debian distributions

    sys.stdout.write("Running pre-installation dependencies check\n")

    # which modules are not installed ?
    modules_toinstall = [mod for mod in modules_tocheck if not module_installed(mod)]
    """# is mercurial available ?
    hg_installed = subprocess.call('which hg', stdout=open('/dev/null', 'w'), shell=True) == 0
    if not hg_installed:
        modules_toinstall.append('mercurial')"""  # hg can be installed from pypi

    if modules_toinstall:
        if AUTO_DEB_OPT in install_opt:  # auto debian installation is requested
            # are we on a distribution using apt ?
            apt_path = subprocess.Popen('which apt-get', stdout=subprocess.PIPE, shell=True).communicate()[0][:-1]
        else:
            apt_path = None

        not_installed = set()
        if apt_path:
            # we have apt, we'll try to use it
            for module_name in modules_toinstall:
                package_name = package[module_name]
                sys.stdout.write("Installing %s\n" % package_name)
                success = subprocess.call('%s -qy install %s' % (apt_path, package_name), shell=True) == 0
                if not success:
                    not_installed.add(module_name)
        else:
            not_installed = set(modules_toinstall)

        if not_installed:
            # some packages can't be automatically installed, we print their name for manual installation
            sys.stdout.write("You should install the following dependencies with your distribution recommanded tool before installing %s:\n" % NAME)
            for module_name in not_installed:
                sys.stdout.write("- %s (Debian name: %s)\n" % (module_name, package[module_name]))
            sys.exit(2)


if sys.argv[1].lower() in ['egg_info', 'install']:
    # we only check dependencies if egg_info or install is used
    install_opt = os.environ.get(ENV_LIBERVIA_INSTALL, "").split()
    if not NO_PREINSTALL_OPT in install_opt:  # user can force preinstall skipping
        preinstall_check(install_opt)

setup(name=NAME,
      version='0.6.1.1',
      description=u'Web frontend for Salut à Toi',
      long_description=u'Libervia is a web frontend for Salut à Toi (SàT), a multi-frontends and multi-purposes XMPP client.',
      author='Association « Salut à Toi »',
      author_email='contact@goffi.org',
      url='http://www.salut-a-toi.org',
      classifiers=['Development Status :: 3 - Alpha',
                   'Environment :: Web Environment',
                   'Framework :: Twisted',
                   'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)',
                   'Operating System :: POSIX :: Linux',
                   'Topic :: Communications :: Chat'],
      package_dir={'libervia': 'src', 'twisted.plugins': 'src/twisted/plugins'},
      packages=['libervia', 'libervia.common', 'libervia.server', 'twisted.plugins'],
      package_data={'libervia': ['libervia.sh']},
      data_files=[(os.path.join('share', 'doc', NAME), ['COPYING', 'README', 'INSTALL']), ] +
                 [(os.path.join('share', NAME, root),
                   [os.path.join(root, f) for f in files])
                  for root, dirs, files in os.walk(C.THEMES_DIR)],
      scripts=[],
      zip_safe=False,
      install_requires=['sat', 'twisted', 'txJSON-RPC<5', 'zope.interface', 'pyopenssl', 'jinja2', 'shortuuid'],
      cmdclass={'install': CustomInstall},
      )