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Support conversion with one command #6

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Support conversion with one command #6

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67 changes: 31 additions & 36 deletions json2prototxt.py
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Original file line number Diff line number Diff line change
@@ -1,42 +1,37 @@
import sys
import argparse
import json
from prototxt_basic import *

parser = argparse.ArgumentParser(description='Convert MXNet jason to Caffe prototxt')
parser.add_argument('--mx-json', type=str, default='R50v2/R50v2-symbol.json')
parser.add_argument('--cf-prototxt', type=str, default='R50v2/R50v2.prototxt')
args = parser.parse_args()

with open(args.mx_json) as json_file:
jdata = json.load(json_file)
print(jdata)

with open(args.cf_prototxt, "w") as prototxt_file:
for i_node in range(0,len(jdata['nodes'])):
node_i = jdata['nodes'][i_node]
if str(node_i['op']) == 'null' and str(node_i['name']) != 'data':
continue

print('{}, \top:{}, name:{} -> {}'.format(i_node,node_i['op'].ljust(20),
node_i['name'].ljust(30),
node_i['name']).ljust(20))
info = node_i

info['top'] = info['name']
info['bottom'] = []
info['params'] = []
for input_idx_i in node_i['inputs']:
input_i = jdata['nodes'][input_idx_i[0]]
if str(input_i['op']) != 'null' or (str(input_i['name']) == 'data'):
info['bottom'].append(str(input_i['name']))
if str(input_i['op']) == 'null':
info['params'].append(str(input_i['name']))
if not str(input_i['name']).startswith(str(node_i['name'])):
print(' use shared weight -> %s'% str(input_i['name']))
info['share'] = True
def write_prototxt(json_path, prototx_path):
with open(json_path) as json_file:
jdata = json.load(json_file)
print(jdata)

with open(prototx_path, "w") as prototxt_file:
for i_node in range(0,len(jdata['nodes'])):
node_i = jdata['nodes'][i_node]
if str(node_i['op']) == 'null' and str(node_i['name']) != 'data':
continue

write_node(prototxt_file, info)

print("*** JSON to PROTOTXT FINISH ***")
print('{}, \top:{}, name:{} -> {}'.format(i_node,node_i['op'].ljust(20),
node_i['name'].ljust(30),
node_i['name']).ljust(20))
info = node_i

info['top'] = info['name']
info['bottom'] = []
info['params'] = []
for input_idx_i in node_i['inputs']:
input_i = jdata['nodes'][input_idx_i[0]]
if str(input_i['op']) != 'null' or (str(input_i['name']) == 'data'):
info['bottom'].append(str(input_i['name']))
if str(input_i['op']) == 'null':
info['params'].append(str(input_i['name']))
if not str(input_i['name']).startswith(str(node_i['name'])):
print(' use shared weight -> %s'% str(input_i['name']))
info['share'] = True

write_node(prototxt_file, info)

print("*** JSON to PROTOTXT FINISH ***")

9 changes: 6 additions & 3 deletions mxnet2caffe.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import sys, argparse
import argparse
import mxnet as mx
import sys
import os
Expand All @@ -11,10 +11,9 @@
sys.path.append(os.path.join(curr_path, "/Users/yujinke/me/caffe/python"))
import caffe


from json2prototxt import write_prototxt

import time
import os
os.environ["CUDA_VISIBLE_DEVICES"] = '4'
parser = argparse.ArgumentParser(description='Convert MXNet model to Caffe model')
parser.add_argument('--mx-model', type=str, default='model_mxnet/face/facega2')
Expand All @@ -23,6 +22,10 @@
parser.add_argument('--cf-model', type=str, default='model_caffe/face/facega2.caffemodel')
args = parser.parse_args()

# ------------------------------------------
# Create prototxt
write_prototxt(args.mx_model + '-symbol.json', args.cf_prototxt)

# ------------------------------------------
# Load
_, arg_params, aux_params = mx.model.load_checkpoint(args.mx_model, args.mx_epoch)
Expand Down