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import subprocess
import sys
def add_nanopb_builders(env):
'''Add the necessary builder commands for nanopb tests.'''
# Build command for building .pb from .proto using protoc
def proto_actions(source, target, env, for_signature):
dirs = ' '.join(['-I' + env.GetBuildPath(d) for d in env['PROTOCPATH']])
return '$PROTOC $PROTOCFLAGS %s -o%s %s' % (dirs, target[0], source[0])
proto_file_builder = Builder(generator = proto_actions,
suffix = '.pb',
src_suffix = '.proto')
env.Append(BUILDERS = {'Proto': proto_file_builder})
env.SetDefault(PROTOC = 'protoc')
# Build command for running nanopb generator
import os.path
def nanopb_targets(target, source, env):
basename = os.path.splitext(str(source[0]))[0]
target.append(basename + '.pb.h')
return target, source
nanopb_file_builder = Builder(action = '$NANOPB_GENERATOR $NANOPB_FLAGS $SOURCE',
suffix = '.pb.c',
src_suffix = '.pb',
emitter = nanopb_targets)
env.Append(BUILDERS = {'Nanopb': nanopb_file_builder})
env.SetDefault(NANOPB_GENERATOR = 'python ' + env.GetBuildPath("#../generator/nanopb_generator.py"))
env.SetDefault(NANOPB_FLAGS = '-q')
# Combined method to run both protoc and nanopb generator
def run_protoc_and_nanopb(env, source):
b1 = env.Proto(source)
b2 = env.Nanopb(source)
return b1 + b2
env.AddMethod(run_protoc_and_nanopb, "NanopbProto")
# Build command that runs a test program and saves the output
def run_test(target, source, env):
if len(source) > 1:
infile = open(str(source[1]))
else:
infile = None
pipe = subprocess.Popen(str(source[0]),
stdin = infile,
stdout = open(str(target[0]), 'w'),
stderr = sys.stderr)
result = pipe.wait()
if result == 0:
print '\033[92m[ OK ]\033[0m Ran ' + str(source[0])
else:
print '\033[91m[FAIL]\033[0m Program ' + str(source[0]) + ' returned ' + str(result)
return result
run_test_builder = Builder(action = run_test,
suffix = '.output')
env.Append(BUILDERS = {'RunTest': run_test_builder})
# Build command that decodes a message using protoc
def decode_actions(source, target, env, for_signature):
dirs = ' '.join(['-I' + env.GetBuildPath(d) for d in env['PROTOCPATH']])
return '$PROTOC $PROTOCFLAGS %s --decode=%s %s <%s >%s' % (dirs, env['MESSAGE'], source[1], source[0], target[0])
decode_builder = Builder(generator = decode_actions,
suffix = '.decoded')
env.Append(BUILDERS = {'Decode': decode_builder})
# Build command that asserts that two files be equal
def compare_files(target, source, env):
data1 = open(str(source[0]), 'rb').read()
data2 = open(str(source[1]), 'rb').read()
if data1 == data2:
print '\033[92m[ OK ]\033[0m Files equal: ' + str(source[0]) + ' and ' + str(source[1])
return 0
else:
print '\033[91m[FAIL]\033[0m Files differ: ' + str(source[0]) + ' and ' + str(source[1])
return 1
compare_builder = Builder(action = compare_files,
suffix = '.equal')
env.Append(BUILDERS = {'Compare': compare_builder})
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