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96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
#
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# Copyright (c) 2009 Scott Stafford
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Author : Scott Stafford
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# Date : 2009-12-09 20:36:14
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#
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# Changes : Vinnie Falco <vinnie.falco@gmail.com>
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# Date : 2014--4-25
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"""
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protoc.py: Protoc Builder for SCons
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This Builder invokes protoc to generate C++ and Python from a .proto file.
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NOTE: Java is not currently supported.
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"""
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__author__ = "Scott Stafford"
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import SCons.Action
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import SCons.Builder
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import SCons.Defaults
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import SCons.Node.FS
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import SCons.Util
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from SCons.Script import File, Dir
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import os.path
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protocs = 'protoc'
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ProtocAction = SCons.Action.Action('$PROTOCCOM', '$PROTOCCOMSTR')
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def ProtocEmitter(target, source, env):
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PROTOCOUTDIR = env['PROTOCOUTDIR']
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PROTOCPYTHONOUTDIR = env['PROTOCPYTHONOUTDIR']
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for source_path in [str(x) for x in source]:
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base = os.path.splitext(os.path.basename(source_path))[0]
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if PROTOCOUTDIR:
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target.extend([os.path.join(PROTOCOUTDIR, base + '.pb.cc'),
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os.path.join(PROTOCOUTDIR, base + '.pb.h')])
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if PROTOCPYTHONOUTDIR:
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target.append(os.path.join(PROTOCPYTHONOUTDIR, base + '_pb2.py'))
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try:
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target.append(env['PROTOCFDSOUT'])
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except KeyError:
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pass
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#print "PROTOC SOURCE:", [str(s) for s in source]
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#print "PROTOC TARGET:", [str(s) for s in target]
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return target, source
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ProtocBuilder = SCons.Builder.Builder(action = ProtocAction,
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emitter = ProtocEmitter,
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srcsuffix = '$PROTOCSRCSUFFIX')
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def generate(env):
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"""Add Builders and construction variables for protoc to an Environment."""
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try:
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bld = env['BUILDERS']['Protoc']
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except KeyError:
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bld = ProtocBuilder
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env['BUILDERS']['Protoc'] = bld
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env['PROTOC'] = env.Detect(protocs) or 'protoc'
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env['PROTOCFLAGS'] = SCons.Util.CLVar('')
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env['PROTOCPROTOPATH'] = SCons.Util.CLVar('')
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env['PROTOCCOM'] = '$PROTOC ${["-I%s"%x for x in PROTOCPROTOPATH]} $PROTOCFLAGS --cpp_out=$PROTOCCPPOUTFLAGS$PROTOCOUTDIR ${PROTOCPYTHONOUTDIR and ("--python_out="+PROTOCPYTHONOUTDIR) or ""} ${PROTOCFDSOUT and ("-o"+PROTOCFDSOUT) or ""} ${SOURCES}'
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env['PROTOCOUTDIR'] = '${SOURCE.dir}'
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env['PROTOCPYTHONOUTDIR'] = "python"
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env['PROTOCSRCSUFFIX'] = '.proto'
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def exists(env):
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return env.Detect(protocs) |