142 lines
5.0 KiB
Python
142 lines
5.0 KiB
Python
# -*- coding: utf-8 -*-
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from flask import request, Flask
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import numpy as np
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import json
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import time
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import cv2, base64
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import argparse
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import sys, os
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import torch
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from gevent.pywsgi import WSGIServer
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from PIL import Image
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from torchvision import transforms
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from models.modeling import VisionTransformer, CONFIGS
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sys.path.insert(0, ".")
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app = Flask(__name__)
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app.use_reloader=False
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def parse_args(model_file="../module/ieemoo-ai-isempty/model/now/emptyjudge5_checkpoint.bin"):
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#def parse_args(model_file="output/emptyjudge5_checkpoint.bin"):
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parser = argparse.ArgumentParser()
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parser.add_argument("--img_size", default=448, type=int, help="Resolution size")
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parser.add_argument('--split', type=str, default='overlap', help="Split method")
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parser.add_argument('--slide_step', type=int, default=12, help="Slide step for overlap split")
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parser.add_argument('--smoothing_value', type=float, default=0.0, help="Label smoothing value")
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parser.add_argument("--pretrained_model", type=str, default=model_file, help="load pretrained model")
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opt, unknown = parser.parse_known_args()
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return opt
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class Predictor(object):
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def __init__(self, args):
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self.args = args
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self.args.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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print(self.args.device)
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self.args.nprocs = torch.cuda.device_count()
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self.cls_dict = {}
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self.num_classes = 0
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self.model = None
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self.prepare_model()
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self.test_transform = transforms.Compose([transforms.Resize((448, 448), Image.BILINEAR),
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transforms.ToTensor(),
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transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])])
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def prepare_model(self):
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config = CONFIGS["ViT-B_16"]
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config.split = self.args.split
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config.slide_step = self.args.slide_step
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model_name = os.path.basename(self.args.pretrained_model).replace("_checkpoint.bin", "")
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print("use model_name: ", model_name)
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self.num_classes = 5
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self.cls_dict = {0: "noemp", 1: "yesemp", 2: "hard", 3: "fly", 4: "stack"}
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self.model = VisionTransformer(config, self.args.img_size, zero_head=True, num_classes=self.num_classes, smoothing_value=self.args.smoothing_value)
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if self.args.pretrained_model is not None:
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if not torch.cuda.is_available():
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pretrained_model = torch.load(self.args.pretrained_model, map_location=torch.device('cpu'))['model']
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self.model.load_state_dict(pretrained_model)
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else:
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pretrained_model = torch.load(self.args.pretrained_model)['model']
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self.model.load_state_dict(pretrained_model)
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self.model.eval()
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self.model.to(self.args.device)
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#self.model.eval()
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def normal_predict(self, img_data, result):
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# img = Image.open(img_path)
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if img_data is None:
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print('error, img data is None')
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return result
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else:
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with torch.no_grad():
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x = self.test_transform(img_data)
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if torch.cuda.is_available():
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x = x.cuda()
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part_logits = self.model(x.unsqueeze(0))
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probs = torch.nn.Softmax(dim=-1)(part_logits)
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topN = torch.argsort(probs, dim=-1, descending=True).tolist()
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clas_ids = topN[0][0]
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clas_ids = 0 if 0==int(clas_ids) or 2 == int(clas_ids) or 3 == int(clas_ids) else 1
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print("cur_img result: class id: %d, score: %0.3f" % (clas_ids, probs[0, clas_ids].item()))
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result["success"] = "true"
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result["rst_cls"] = str(clas_ids)
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return result
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model_file ="../module/ieemoo-ai-isempty/model/now/emptyjudge5_checkpoint.bin"
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#model_file ="output/emptyjudge5_checkpoint.bin"
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args = parse_args(model_file)
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predictor = Predictor(args)
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@app.route("/isempty", methods=['POST'])
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def get_isempty():
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start = time.time()
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print('--------------------EmptyPredict-----------------')
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data = request.get_data()
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ip = request.remote_addr
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print('------ ip = %s ------' % ip)
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json_data = json.loads(data.decode("utf-8"))
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getdateend = time.time()
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print('get date use time: {0:.2f}s'.format(getdateend - start))
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pic = json_data.get("pic")
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result = {"success": "false",
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"rst_cls": '-1',
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}
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try:
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imgdata = base64.b64decode(pic)
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imgdata_np = np.frombuffer(imgdata, dtype='uint8')
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img_src = cv2.imdecode(imgdata_np, cv2.IMREAD_COLOR)
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img_data = Image.fromarray(np.uint8(img_src))
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result = predictor.normal_predict(img_data, result) # 1==empty, 0==nonEmpty
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except:
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return repr(result)
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return repr(result)
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if __name__ == "__main__":
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app.run()
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# http_server = WSGIServer(('0.0.0.0',8000), app)
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# http_server.serve_forever()
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