/usr/lib/genmsg/genmsg_check_deps.py is in python-genmsg 0.5.8-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Software License Agreement (BSD License)
#
# Copyright (c) 2014, Open Source Robotics Foundation, Inc.
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#
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# 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 Open Source Robotics Foundation, Inc. nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior
# written permission.
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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from __future__ import print_function
import os
import sys
from genmsg import EXT_MSG, EXT_SRV, MsgContext
from genmsg.gentools import compute_full_type_name
from genmsg.msg_loader import load_msg_from_file, load_srv_from_file
from genmsg.msgs import bare_msg_type, is_builtin, resolve_type
pkg_name = sys.argv[1]
msg_file = sys.argv[2]
deps = sys.argv[3].split(':') if len(sys.argv) > 3 else []
msg_context = MsgContext.create_default()
full_type_name = compute_full_type_name(pkg_name, os.path.basename(msg_file))
if msg_file.endswith(EXT_MSG):
spec = load_msg_from_file(msg_context, msg_file, full_type_name)
unresolved_types = spec.types
elif msg_file.endswith(EXT_SRV):
spec = load_srv_from_file(msg_context, msg_file, full_type_name)
unresolved_types = spec.request.types + spec.response.types
else:
print("Processing file: '%s' - unknown file extension" % msg_file, file=sys.stderr)
sys.exit(1)
package_context = spec.package
for unresolved_type in unresolved_types:
bare_type = bare_msg_type(unresolved_type)
resolved_type = resolve_type(bare_type, package_context)
if not is_builtin(resolved_type) and resolved_type not in deps:
print("The dependencies of the message/service '%s' have changed. Please rerun cmake." % spec.full_name, file=sys.stderr)
sys.exit(1)
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