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2022-04-05 11:42:28 +03:00

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Python
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#!/usr/bin/env python
# Software License Agreement (BSD License)
#
# Copyright (c) 2009, Willow Garage, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Willow Garage, Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
from __future__ import print_function
import optparse
import os
import re
import sys
import rosbag.migration
import genpy.message
import genpy.dynamic
def print_trans(old, new, indent):
from_txt = '%s [%s]' % (old._type, old._md5sum)
if new is not None:
to_txt= '%s [%s]' % (new._type, new._md5sum)
else:
to_txt = 'Unknown'
print(' ' * indent + ' * From: %s' % from_txt)
print(' ' * indent + ' To: %s' % to_txt)
if __name__ == '__main__':
parser = optparse.OptionParser(usage='usage: makerule.py msg.saved [-a] output_rulefile [rulefile1, rulefile2, ...] [-n]')
parser.add_option('-a', '--append', action='store_true', dest='append', default=False)
parser.add_option('-n', '--noplugins', action='store_true', dest='noplugins', default=False)
(options, args) = parser.parse_args()
if len(args) < 2:
parser.error("Incorrect number of arguments")
rulefile = args[1]
if os.path.isfile(rulefile) and not options.append:
print("The file %s already exists. Include -a if you intend to append." % rulefile, file=sys.stderr)
exit(1)
if not os.path.isfile(rulefile) and options.append:
print("The file %s does not exist, and so -a is invalid." % rulefile, file=sys.stderr)
exit(1)
if options.append:
append_rule = [rulefile]
else:
append_rule = []
f = open(args[0])
if f is None:
print('Could not open message full definition: %s', file=sys.stderr)
sys.exit()
type_line = f.readline()
pat = re.compile(r"\[(.*)]:")
type_match = pat.match(type_line)
if type_match is None:
print("Full definition file malformed. First line should be: '[my_package/my_msg]:'", file=sys.stderr)
sys.exit()
old_type = type_match.groups()[0]
old_full_text = f.read()
f.close()
old_class = genpy.dynamic.generate_dynamic(old_type,old_full_text)[old_type]
if old_class is None:
print('Could not generate class from full definition file.', file=sys.stderr)
sys.exit()
mm = rosbag.migration.MessageMigrator(args[2:]+append_rule,not options.noplugins)
migrations = rosbag.migration.checkmessages(mm, [old_class])
if migrations == []:
print('Saved definition is up to date.')
exit(0)
print('The following migrations need to occur:')
all_rules = []
for m in migrations:
all_rules.extend(m[1])
print_trans(m[0][0].old_class, m[0][-1].new_class, 0)
if len(m[1]) > 0:
print(" %d rules missing:" % len(m[1]))
for r in m[1]:
print_trans(r.old_class, r.new_class, 1)
if rulefile is None:
print("rulefile not specified")
else:
output = ''
rules_left = mm.filter_rules_unique(all_rules)
if rules_left == []:
print("\nNo additional rule files needed to be generated. %s not created." % rulefile)
exit(0)
while rules_left != []:
extra_rules = []
for r in rules_left:
if r.new_class is None:
print("The message type %s appears to have moved. Please enter the type to migrate it to." % r.old_class._type)
new_type = raw_input('>')
new_class = genpy.message.get_message_class(new_type)
while new_class is None:
print("\'%s\' could not be found in your system. Please make sure it is built." % new_type)
new_type = raw_input('>')
new_class = genpy.message.get_message_class(new_type)
new_rule = mm.make_update_rule(r.old_class, new_class)
R = new_rule(mm, 'GENERATED.' + new_rule.__name__)
R.find_sub_paths()
new_rules = [r for r in mm.expand_rules(R.sub_rules) if r.valid == False]
extra_rules.extend(new_rules)
print('Creating the migration rule for %s requires additional missing rules:' % new_type)
for nr in new_rules:
print_trans(nr.old_class, nr.new_class,1)
output += R.get_class_def()
else:
output += r.get_class_def()
rules_left = mm.filter_rules_unique(extra_rules)
f = open(rulefile, 'a')
f.write(output)
f.close()
print("\nThe necessary rule files have been written to: %s" % rulefile)