mirror of
https://github.com/sml2h3/ocr_api_server.git
synced 2025-05-02 19:29:05 +08:00
127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
# encoding=utf-8
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import argparse
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import base64
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import json
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import ddddocr
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from flask import Flask, request
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parser = argparse.ArgumentParser(description="使用ddddocr搭建的最简api服务")
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parser.add_argument("-p", "--port", type=int, default=9898)
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parser.add_argument("--ocr", action="store_true", help="开启ocr识别")
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parser.add_argument("--old", action="store_true", help="OCR是否启动旧模型")
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parser.add_argument("--det", action="store_true", help="开启目标检测")
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args = parser.parse_args()
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app = Flask(__name__)
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class Server(object):
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def __init__(self, ocr=True, det=False, old=False):
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self.ocr_option = ocr
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self.det_option = det
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self.old_option = old
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self.ocr = None
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self.det = None
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if self.ocr_option:
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print("ocr模块开启")
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if self.old_option:
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print("使用OCR旧模型启动")
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self.ocr = ddddocr.DdddOcr(old=True)
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else:
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print("使用OCR新模型启动，如需要使用旧模型，请额外添加参数 --old开启")
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self.ocr = ddddocr.DdddOcr()
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else:
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print("ocr模块未开启，如需要使用，请使用参数 --ocr开启")
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if self.det_option:
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print("目标检测模块开启")
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self.det = ddddocr.DdddOcr(det=True)
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else:
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print("目标检测模块未开启，如需要使用，请使用参数 --det开启")
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def classification(self, img: bytes):
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if self.ocr_option:
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return self.ocr.classification(img)
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else:
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raise Exception("ocr模块未开启")
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def detection(self, img: bytes):
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if self.det_option:
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return self.det.detection(img)
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else:
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raise Exception("目标检测模块模块未开启")
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def slide(self, target_img: bytes, bg_img: bytes, algo_type: str):
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dddd = self.ocr or self.det or ddddocr.DdddOcr(ocr=False)
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if algo_type == 'match':
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return dddd.slide_match(target_img, bg_img)
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elif algo_type == 'compare':
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return dddd.slide_comparison(target_img, bg_img)
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else:
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raise Exception(f"不支持的滑块算法类型: {algo_type}")
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server = Server(ocr=args.ocr, det=args.det, old=args.old)
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def get_img(request, img_type='file', img_name='image'):
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if img_type == 'b64':
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img = base64.b64decode(request.get_data()) #
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try: # json str of multiple images
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dic = json.loads(img)
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img = base64.b64decode(dic.get(img_name).encode())
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except Exception as e: # just base64 of single image
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pass
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else:
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img = request.files.get(img_name).read()
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return img
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def set_ret(result, ret_type='text'):
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if ret_type == 'json':
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if isinstance(result, Exception):
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return json.dumps({"status": 200, "result": "", "msg": str(result)})
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else:
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return json.dumps({"status": 200, "result": result, "msg": ""})
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# return json.dumps({"succ": isinstance(result, str), "result": str(result)})
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else:
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if isinstance(result, Exception):
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return ''
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else:
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return str(result).strip()
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@app.route('/<opt>/<img_type>', methods=['POST'])
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@app.route('/<opt>/<img_type>/<ret_type>', methods=['POST'])
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def ocr(opt, img_type='file', ret_type='text'):
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try:
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img = get_img(request, img_type)
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if opt == 'ocr':
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result = server.classification(img)
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elif opt == 'det':
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result = server.detection(img)
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else:
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raise f"<opt={opt}> is invalid"
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return set_ret(result, ret_type)
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except Exception as e:
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return set_ret(e, ret_type)
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@app.route('/slide/<algo_type>/<img_type>', methods=['POST'])
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@app.route('/slide/<algo_type>/<img_type>/<ret_type>', methods=['POST'])
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def slide(algo_type='compare', img_type='file', ret_type='text'):
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try:
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target_img = get_img(request, img_type, 'target_img')
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bg_img = get_img(request, img_type, 'bg_img')
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result = server.slide(target_img, bg_img, algo_type)
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return set_ret(result, ret_type)
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except Exception as e:
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return set_ret(e, ret_type)
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@app.route('/ping', methods=['GET'])
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def ping():
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return "pong"
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if __name__ == '__main__':
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app.run(host="0.0.0.0", port=args.port)
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