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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright © 2015 Collabora Ltd.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
import os
import sys
import __builtin__
if os.name == 'nt':
datadir = os.path.join(os.path.dirname(__file__), '..', 'share')
else:
datadir = "/opt/gnome3/build/share"
__builtin__.__dict__['DATADIR'] = datadir
if 'GI_SCANNER_DEBUG' in os.environ:
def on_exception(exctype, value, tb):
print("Caught exception: %r %r" % (exctype, value))
import pdb
pdb.pm()
sys.excepthook = on_exception
srcdir = os.getenv('UNINSTALLED_INTROSPECTION_SRCDIR', None)
if srcdir is not None:
path = srcdir
else:
# This is a private directory, we don't want to pollute the global
# namespace.
if os.name == 'nt':
# Makes g-ir-scanner 'relocatable' at runtime on Windows.
path = os.path.join(os.path.dirname(__file__),
'..', 'lib', 'gobject-introspection')
else:
# TODO
path = os.path.join('/opt/gnome3/build/lib', 'gobject-introspection')
sys.path.insert(0, path)
import argparse
from giscanner.girparser import GIRParser
from giscanner.gircomparator import GIRComparator
# Warning categories.
WARNING_CATEGORIES = [
'info',
'backwards-compatibility',
'forwards-compatibility',
]
if __name__ == '__main__':
# Parse command line arguments.
parser = argparse.ArgumentParser(
description='Comparing GIR APIs for stability')
parser.add_argument('old_file', type=str, help='Old GIR file')
parser.add_argument('new_file', type=str, help='New GIR file')
parser.add_argument('--warnings', dest='warnings', metavar='CATEGORY,…',
type=str,
help='Warning categories (%s)' %
', '.join(WARNING_CATEGORIES))
args = parser.parse_args()
if not args.old_file or not args.new_file:
parser.print_help()
sys.exit(1)
if args.warnings is None:
# Enable all warnings by default
_enabled_warnings = WARNING_CATEGORIES
else:
_enabled_warnings = args.warnings.split(',')
enabled_warnings = []
i = 0
for category in _enabled_warnings:
if category not in WARNING_CATEGORIES:
parser.print_help()
sys.exit(1)
# TODO: this is really unneat
enabled_warnings.append(i)
i += 1
# Parse the two files.
old_parser = GIRParser()
new_parser = GIRParser()
try:
filename = args.old_file
old_parser.parse(args.old_file)
filename = args.new_file
new_parser.parse(args.new_file)
except Exception as e:
sys.stderr.write('Error parsing ‘%s’:\n' % filename)
sys.stderr.write(e)
sys.exit(1)
old_namespace = old_parser.get_namespace()
new_namespace = new_parser.get_namespace()
# Compare the interfaces.
comparator = GIRComparator(old_namespace, new_namespace, enabled_warnings)
out = comparator.compare()
comparator.print_output()
sys.exit(out)
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