AlexNet/gen-py-interface.py
Laurent El Shafey 9fdd561586 Initial commit
2024-12-10 08:56:11 -08:00

65 lines
2.4 KiB
Python
Executable file

import sys
import re
import os
MODEL_CONSTRUCTOR = """ConvNet::ConvNet(PyListObject* layerParams, int minibatchSize, int deviceID)"""
pytype_mappings = {"float": "",
"int": "",
"bool":"",
"PyListObject": "PyList_Type"}
argstring_mappings = {"float": "d",
"bool":"i",
"int": "i"}
init_type_mappings = {"float": "double",
"int": "int",
"bool":"int",
"PyListObject": "PyListObject*"}
if __name__ == "__main__":
m = re.match(r"^(\w+)::\w+\((.*)\)$", MODEL_CONSTRUCTOR, re.MULTILINE | re.DOTALL)
model_name = m.group(1)
model_params = m.group(2).split(',')
template = ""
with open('./pyInterface.cutemp', 'r') as f:
template = ''.join(line for line in f)
template = template.replace("${MODEL_NAME}", model_name)
template = template.replace("${MODEL_NAME_LOWER}", model_name.lower())
init_vars = ""
init_parse = ""
arg_string = ""
model_preamble = ""
model_start = " model = new %s(" % model_name
space_padding = len(model_start)
numVectors = 0
for i,p in enumerate(model_params):
param = p.strip().split(' ')
ptype = re.match("^([\w<>\*]+)", param[0]).group(1).strip('*')
pname = param[1].strip('*')
pname = "py" + pname[0].upper() + pname[1:]
if ptype not in pytype_mappings:
print "Unknown type: %s" % ptype
sys.exit(1)
mapping = pytype_mappings[ptype]
if mapping == "":
arg_string += argstring_mappings[ptype]
init_parse += " &%s" % pname
else:
arg_string += "O!"
init_parse += " &%s, &%s" % (mapping, pname)
model_start += "%*s%s" % (space_padding * (i>0), "", pname)
if i < len(model_params) - 1:
init_parse += ",\n"
model_start += ",\n"
init_vars += " %s %s;\n" % (init_type_mappings[ptype], pname)
model_start += ");\n"
template = template.replace("${INIT_VARS}", init_vars)
template = template.replace("${INIT_PARSE}", init_parse)
template = template.replace("${ARG_STRING}", arg_string)
template = template.replace("${MODEL_START}", model_preamble + model_start)
print template