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from __future__ import print_function
import sys
import os
import shutil
import subprocess
def get_value(val):
dct = val.split('=', 1)
if len(dct) > 1:
return dct[1]
return ''
class BuildCbBase(object):
def run(self, cbmodel, cbname, cb_cpp_path):
data_prefix = "CB_External_"
data = data_prefix + cbname
datasize = data + "Size"
cbtype = "const NCatboostCalcer::TCatboostCalcer"
cbload = "(ReadModel({0}, {1}, EModelType::CatboostBinary))".format(data, datasize)
cb_cpp_tmp_path = cb_cpp_path + ".tmp"
cb_cpp_tmp = open(cb_cpp_tmp_path, 'w')
cb_cpp_tmp.write("#include <kernel/catboost/catboost_calcer.h>\n")
ro_data_path = os.path.dirname(cb_cpp_path) + "/" + data_prefix + cbname + ".rodata"
cb_cpp_tmp.write("namespace{\n")
cb_cpp_tmp.write(" extern \"C\" {\n")
cb_cpp_tmp.write(" extern const unsigned char {1}{0}[];\n".format(cbname, data_prefix))
cb_cpp_tmp.write(" extern const ui32 {1}{0}Size;\n".format(cbname, data_prefix))
cb_cpp_tmp.write(" }\n")
cb_cpp_tmp.write("}\n")
archiverCall = subprocess.Popen(
[self.archiver, "-q", "-p", "-o", ro_data_path, cbmodel], stdout=None, stderr=subprocess.PIPE
)
archiverCall.wait()
cb_cpp_tmp.write("extern {0} {1};\n".format(cbtype, cbname))
cb_cpp_tmp.write("{0} {1}{2};".format(cbtype, cbname, cbload))
cb_cpp_tmp.close()
shutil.move(cb_cpp_tmp_path, cb_cpp_path)
class BuildCb(BuildCbBase):
def run(self, argv):
if len(argv) < 5:
print("BuildCb.Run(<ARCADIA_ROOT> <archiver> <mninfo> <mnname> <cppOutput> [params...])", file=sys.stderr)
sys.exit(1)
self.SrcRoot = argv[0]
self.archiver = argv[1]
cbmodel = argv[2]
cbname = argv[3]
cb_cpp_path = argv[4]
super(BuildCb, self).run(cbmodel, cbname, cb_cpp_path)
def build_cb_f(argv):
build_cb = BuildCb()
build_cb.run(argv)
if __name__ == '__main__':
if len(sys.argv) < 2:
print("Usage: build_cb.py <funcName> <args...>", file=sys.stderr)
sys.exit(1)
if sys.argv[2:]:
globals()[sys.argv[1]](sys.argv[2:])
else:
globals()[sys.argv[1]]()
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