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File Name : codegen_main.py

# -*- Mode: Python -*-
# coding=utf-8

# GDBus - GLib D-Bus Library
#
# Copyright (C) 2008-2011 Red Hat, Inc.
# Copyright (C) 2018 Iñigo Martínez <inigomartinez@gmail.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General
# Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
#
# Author: David Zeuthen <davidz@redhat.com>

import argparse
import os
import sys

from . import config
from . import dbustypes
from . import parser
from . import codegen
from . import codegen_docbook
from .utils import print_error, print_warning

def find_arg(arg_list, arg_name):
    for a in arg_list:
        if a.name == arg_name:
            return a
    return None

def find_method(iface, method):
    for m in iface.methods:
        if m.name == method:
            return m
    return None

def find_signal(iface, signal):
    for m in iface.signals:
        if m.name == signal:
            return m
    return None

def find_prop(iface, prop):
    for m in iface.properties:
        if m.name == prop:
            return m
    return None

def apply_annotation(iface_list, iface, method, signal, prop, arg, key, value):
    iface_obj = None
    for i in iface_list:
        if i.name == iface:
            iface_obj = i
            break

if iface_obj is None:
        print_error('No interface "{}"'.format(iface))

target_obj = None

if method:
        method_obj = find_method(iface_obj, method)
        if method_obj is None:
            print_error('No method "{}" on interface "{}"'.format(method, iface))
        if arg:
            arg_obj = find_arg(method_obj.in_args, arg)
            if (arg_obj is None):
                arg_obj = find_arg(method_obj.out_args, arg)
                if (arg_obj is None):
                    print_error('No arg "{}" on method "{}" on interface "{}"'.format(arg, method, iface))
            target_obj = arg_obj
        else:
            target_obj = method_obj
    elif signal:
        signal_obj = find_signal(iface_obj, signal)
        if signal_obj is None:
            print_error('No signal "{}" on interface "{}"'.format(signal, iface))
        if arg:
            arg_obj = find_arg(signal_obj.args, arg)
            if (arg_obj is None):
                print_error('No arg "{}" on signal "{}" on interface "{}"'.format(arg, signal, iface))
            target_obj = arg_obj
        else:
            target_obj = signal_obj
    elif prop:
        prop_obj = find_prop(iface_obj, prop)
        if prop_obj is None:
            print_error('No property "{}" on interface "{}"'.format(prop, iface))
        target_obj = prop_obj
    else:
        target_obj = iface_obj
    target_obj.annotations.insert(0, dbustypes.Annotation(key, value))

def apply_annotations(iface_list, annotation_list):
    # apply annotations given on the command line
    for (what, key, value) in annotation_list:
        pos = what.find('::')
        if pos != -1:
            # signal
            iface = what[0:pos];
            signal = what[pos + 2:]
            pos = signal.find('[')
            if pos != -1:
                arg = signal[pos + 1:]
                signal = signal[0:pos]
                pos = arg.find(']')
                arg = arg[0:pos]
                apply_annotation(iface_list, iface, None, signal, None, arg, key, value)
            else:
                apply_annotation(iface_list, iface, None, signal, None, None, key, value)
        else:
            pos = what.find(':')
            if pos != -1:
                # property
                iface = what[0:pos];
                prop = what[pos + 1:]
                apply_annotation(iface_list, iface, None, None, prop, None, key, value)
            else:
                pos = what.find('()')
                if pos != -1:
                    # method
                    combined = what[0:pos]
                    pos = combined.rfind('.')
                    iface = combined[0:pos]
                    method = combined[pos + 1:]
                    pos = what.find('[')
                    if pos != -1:
                        arg = what[pos + 1:]
                        pos = arg.find(']')
                        arg = arg[0:pos]
                        apply_annotation(iface_list, iface, method, None, None, arg, key, value)
                    else:
                        apply_annotation(iface_list, iface, method, None, None, None, key, value)
                else:
                    # must be an interface
                    iface = what
                    apply_annotation(iface_list, iface, None, None, None, None, key, value)

def codegen_main():
    arg_parser = argparse.ArgumentParser(description='D-Bus code and documentation generator')
    arg_parser.add_argument('files', metavar='FILE', nargs='+',
                            help='D-Bus introspection XML file')
    arg_parser.add_argument('--xml-files', metavar='FILE', action='append', default=[],
                            help=argparse.SUPPRESS)
    arg_parser.add_argument('--interface-prefix', metavar='PREFIX', default='',
                            help='String to strip from D-Bus interface names for code and docs')
    arg_parser.add_argument('--c-namespace', metavar='NAMESPACE', default='',
                            help='The namespace to use for generated C code')
    arg_parser.add_argument('--c-generate-object-manager', action='store_true',
                            help='Generate a GDBusObjectManagerClient subclass when generating C code')
    arg_parser.add_argument('--c-generate-autocleanup', choices=['none', 'objects', 'all'], default='objects',
                            help='Generate autocleanup support')
    arg_parser.add_argument('--generate-docbook', metavar='OUTFILES',
                            help='Generate Docbook in OUTFILES-org.Project.IFace.xml')
    arg_parser.add_argument('--pragma-once', action='store_true',
                            help='Use "pragma once" as the inclusion guard')
    arg_parser.add_argument('--annotate', nargs=3, action='append', metavar='WHAT KEY VALUE',
                            help='Add annotation (may be used several times)')
    arg_parser.add_argument('--glib-min-required', metavar='VERSION',
                            help='Minimum version of GLib to be supported by the outputted code (default: 2.30)')
    arg_parser.add_argument('--glib-max-allowed', metavar='VERSION',
                            help='Maximum version of GLib to be used by the outputted code (default: current GLib version)')

group = arg_parser.add_mutually_exclusive_group()
    group.add_argument('--generate-c-code', metavar='OUTFILES',
                       help='Generate C code in OUTFILES.[ch]')
    group.add_argument('--header', action='store_true',
                       help='Generate C headers')
    group.add_argument('--body', action='store_true',
                       help='Generate C code')
    group.add_argument('--interface-info-header', action='store_true',
                       help='Generate GDBusInterfaceInfo C header')
    group.add_argument('--interface-info-body', action='store_true',
                       help='Generate GDBusInterfaceInfo C code')

group = arg_parser.add_mutually_exclusive_group()
    group.add_argument('--output', metavar='FILE',
                       help='Write output into the specified file')
    group.add_argument('--output-directory', metavar='OUTDIR', default='',
                       help='Location to output generated files')

args = arg_parser.parse_args();

if len(args.xml_files) > 0:
        print_warning('The "--xml-files" option is deprecated; use positional arguments instead')

if ((args.generate_c_code is not None or args.generate_docbook is not None) and
            args.output is not None):
        print_error('Using --generate-c-code or --generate-docbook and '
                    '--output at the same time is not allowed')

if args.generate_c_code:
        header_name = args.generate_c_code + '.h'
        h_file = os.path.join(args.output_directory, header_name)
        args.header = True
        c_file = os.path.join(args.output_directory, args.generate_c_code + '.c')
        args.body = True
    elif args.header:
        if args.output is None:
            print_error('Using --header requires --output')

h_file = args.output
        header_name = os.path.basename(h_file)
    elif args.body:
        if args.output is None:
            print_error('Using --body requires --output')

c_file = args.output
        header_name = os.path.splitext(os.path.basename(c_file))[0] + '.h'
    elif args.interface_info_header:
        if args.output is None:
            print_error('Using --interface-info-header requires --output')
        if args.c_generate_object_manager:
            print_error('--c-generate-object-manager is incompatible with '
                        '--interface-info-header')

h_file = args.output
        header_name = os.path.basename(h_file)
    elif args.interface_info_body:
        if args.output is None:
            print_error('Using --interface-info-body requires --output')
        if args.c_generate_object_manager:
            print_error('--c-generate-object-manager is incompatible with '
                        '--interface-info-body')

c_file = args.output
        header_name = os.path.splitext(os.path.basename(c_file))[0] + '.h'

# Check the minimum GLib version. The minimum --glib-min-required is 2.30,
    # because that’s when gdbus-codegen was introduced. Support 1, 2 or 3
    # component versions, but ignore the micro component if it’s present.
    if args.glib_min_required:
        try:
            parts = args.glib_min_required.split('.', 3)
            glib_min_required = (int(parts[0]),
                                 int(parts[1] if len(parts) > 1 else 0))
            # Ignore micro component, but still validate it:
            _ = int(parts[2] if len(parts) > 2 else 0)
        except (ValueError, IndexError):
            print_error('Unrecognized --glib-min-required string ‘{}’'.format(
                args.glib_min_required))

if glib_min_required < (2, 30):
            print_error('Invalid --glib-min-required string ‘{}’: minimum '
                        'version is 2.30'.format(args.glib_min_required))
    else:
        glib_min_required = (2, 30)

# And the maximum GLib version.
    if args.glib_max_allowed:
        try:
            parts = args.glib_max_allowed.split('.', 3)
            glib_max_allowed = (int(parts[0]),
                                int(parts[1] if len(parts) > 1 else 0))
            # Ignore micro component, but still validate it:
            _ = int(parts[2] if len(parts) > 2 else 0)
        except (ValueError, IndexError):
            print_error('Unrecognized --glib-max-allowed string ‘{}’'.format(
                args.glib_max_allowed))
    else:
        glib_max_allowed = (config.MAJOR_VERSION, config.MINOR_VERSION)

# Round --glib-max-allowed up to the next stable release.
    glib_max_allowed = \
        (glib_max_allowed[0], glib_max_allowed[1] + (glib_max_allowed[1] % 2))

if glib_max_allowed < glib_min_required:
        print_error('Invalid versions: --glib-min-required ({}) must be '
                    'less than or equal to --glib-max-allowed ({})'.format(glib_min_required, glib_max_allowed))

all_ifaces = []
    input_files_basenames = []
    for fname in sorted(args.files + args.xml_files):
        with open(fname, 'rb') as f:
            xml_data = f.read()
        parsed_ifaces = parser.parse_dbus_xml(xml_data,
                                              h_type_implies_unix_fd=(glib_min_required >= (2, 64)))
        all_ifaces.extend(parsed_ifaces)
        input_files_basenames.append(os.path.basename(fname))

if args.annotate is not None:
        apply_annotations(all_ifaces, args.annotate)

for i in all_ifaces:
        i.post_process(args.interface_prefix, args.c_namespace)

docbook = args.generate_docbook
    docbook_gen = codegen_docbook.DocbookCodeGenerator(all_ifaces);
    if docbook:
        ret = docbook_gen.generate(docbook, args.output_directory)

if args.header:
        with open(h_file, 'w') as outfile:
            gen = codegen.HeaderCodeGenerator(all_ifaces,
                                              args.c_namespace,
                                              args.c_generate_object_manager,
                                              args.c_generate_autocleanup,
                                              header_name,
                                              input_files_basenames,
                                              args.pragma_once,
                                              glib_min_required,
                                              outfile)
            gen.generate()

if args.body:
        with open(c_file, 'w') as outfile:
            gen = codegen.CodeGenerator(all_ifaces,
                                        args.c_namespace,
                                        args.c_generate_object_manager,
                                        header_name,
                                        input_files_basenames,
                                        docbook_gen,
                                        glib_min_required,
                                        outfile)
            gen.generate()

if args.interface_info_header:
        with open(h_file, 'w') as outfile:
            gen = codegen.InterfaceInfoHeaderCodeGenerator(all_ifaces,
                                                           args.c_namespace,
                                                           header_name,
                                                           input_files_basenames,
                                                           args.pragma_once,
                                                           glib_min_required,
                                                           outfile)
            gen.generate()

if args.interface_info_body:
        with open(c_file, 'w') as outfile:
            gen = codegen.InterfaceInfoBodyCodeGenerator(all_ifaces,
                                                         args.c_namespace,
                                                         header_name,
                                                         input_files_basenames,
                                                         glib_min_required,
                                                         outfile)
            gen.generate()

sys.exit(0)

if __name__ == "__main__":
    codegen_main()

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2025-05-26 08:31:55
..	dir	-	root/root	0755	2022-11-29 07:08:53
__pycache__	dir	-	root/root	0755	2025-05-26 08:31:55
__init__.py	text/plain	984 B	root/root	0644	2020-10-01 12:43:53
codegen.py	text/x-script.python	218.28 KB	root/root	0644	2020-10-01 12:43:53
codegen_docbook.py	text/x-script.python	15.87 KB	root/root	0644	2020-10-01 12:43:53
codegen_main.py	text/x-script.python	14.85 KB	root/root	0644	2020-10-01 12:43:53
config.py	text/plain	856 B	root/root	0644	2025-05-12 10:24:59
dbustypes.py	text/x-script.python	19.54 KB	root/root	0644	2020-10-01 12:43:53
parser.py	text/x-script.python	12.65 KB	root/root	0644	2020-10-01 12:43:53
utils.py	text/x-script.python	3.91 KB	root/root	0644	2020-10-01 12:43:53

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