HGKeeper

#!/usr/bin/env python3

# Purple - Internet Messaging Library

# Copyright (C) Pidgin Developers <devel@pidgin.im>

# Purple is the legal property of its developers, whose names are too numerous

# to list here. Please refer to the COPYRIGHT file distributed with this

# source distribution.

# 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

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# 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 <https://www.gnu.org/licenses/>.

"""

Produce meson-config.h in a build directory.

This should not really be run manually. It is used by Meson as a

post-configuration script to create meson-config.h which for now simply

contains information about the configuration used to create the build

directory.

"""

import html

import json

import os

import shlex

import subprocess

import sys

try:

introspect = os.environ['MESONINTROSPECT']

except KeyError:

print('Meson is too old; '

'it does not set MESONINTROSPECT for postconf scripts.')

sys.exit(1)

else:

introspect = shlex.split(introspect)

# This is the top-most Meson build root.

try:

build_root = os.environ['MESON_BUILD_ROOT']

except KeyError:

print('Meson is too old; '

'it does not set MESON_BUILD_ROOT for postconf scripts.')

sys.exit(1)

# This is the build root for the Pidgin project itself, which may be different

# if it's used as a subproject.

project_build_root = sys.argv[1]

def tostr(obj):

if isinstance(obj, str):

return html.escape(repr(obj))

else:

return repr(obj)

def normalize_pidgin_option(option):

"""Promote Pidgin-as-subproject options to global options."""

name = option['name']

# Option names for subprojects are determined by the wrap file name + the

# subproject option. Unfortunately, the wrap file name is determined by the

# superproject, so we can't know what it is. Just assume it is something

# semi-standard.

if ':' in name and name.startswith('pidgin'):

option['name'] = name.split(':')[1]

return option

conf = subprocess.check_output(introspect + ['--buildoptions', build_root],

universal_newlines=True)

conf = json.loads(conf)

# Skip all subproject options, or else the config string explodes.

conf = [normalize_pidgin_option(option) for option in conf]

conf = [option for option in conf if ':' not in option['name']]

with open(os.path.join(project_build_root, 'meson-config.h'), 'w') as f:

f.write('#include <purple.h>\n')

f.write('const PurpleKeyValuePair MESON_ARGS[] = {\n')

for option in sorted(conf, key=lambda x: x['name']):

f.write('{ .key= "' + option['name'] + '",' +

' .value="' + tostr(option['value']) + '" },\n')

f.write('{ .key=NULL, .value=NULL },\n')

f.write('};\n')

pidgin/pidgin