VerificationCode/captcha_flask_server.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Author  : bidikeji
# @Time    : 2019/11/21 0021 15:55

from predict_model import *
from flask import request, Flask, jsonify
from PIL import Image
from io import BytesIO
import base64
import time
import logging

coun_dic = {'shuzi':{'total_num':0, 'neg_num':0}, 'suanshu':{'total_num':0, 'neg_num':0}
               ,'yingwen':{'total_num':0, 'neg_num':0},'hanzi':{'total_num':0, 'neg_num':0}}

app = Flask(__name__)


@app.route("/getlog", methods=["POST"])
def get_acc():
    clear = request.form.get('clear_log', 'no')
    if clear == 'yes':
        try:
            with open('upload_num_log.txt', 'a', encoding='utf=8') as f:
                f.write(str(coun_dic))
                f.write('\n')
        except:
            return 'clear_log error'
    return jsonify(coun_dic)


@app.route("/errorlog", methods=["POST"])
def save_error():
    """receive not success image and save """
    code_type = request.form.get('code', 'unkown')
    base64pic = request.form.get('base64pic')
    file_obj = request.files.get("pic")
    data = {'save_success': False}
    if code_type is None or str(code_type) not in ['shuzi', 'suanshu', 'yingwen', 'hanzi', '1', '2', '3', '4', '5', '6']:
        data = {'errorinfo':'please check you param:code, code must be in shuzi/suanshu/yingwen/hanzi or number 1-6'}
        return jsonify(data)

    if base64pic is not None:
        try:
            src = base64.b64decode(base64pic.split(',')[-1])
            img = Image.open(BytesIO(src))
            time_tr = time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime())
            if code_type in ['1', '2', '3', '4', '5', '6']:
                img.save('pic2/'+str(code_type)+'_'+time_tr+'.jpg')
            else:
                img.save('pic/'+str(code_type)+'_'+time_tr+'.jpg')
            data['save_success'] = True
            coun_dic[code_type]['neg_num'] += 1
            return jsonify(data)
        except:
            return jsonify(data)
    if file_obj is not None:
        try:
            img = Image.open(file_obj)
            time_tr = time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime())
            if code_type in ['1', '2', '3', '4', '5', '6']:
                img.save('pic2/'+str(code_type)+'_'+time_tr+'.jpg')
            else:
                img.save('pic/'+str(code_type)+'_'+time_tr+'.jpg')
            data['save_success'] = True
            coun_dic[code_type]['neg_num'] += 1
            return jsonify(data)
        except:
            return jsonify(data)
    else:
        return 'please check you parameter '


@app.route("/upload", methods=["POST"])
def upload():
    start_time = time.time()
    """receive image and predict """
    code_type = request.form.get('code')
    base64pic = request.form.get('base64pic')
    file_obj = request.files.get("pic")
    data = {'success':False}
    if code_type is None or str(code_type) not in ['shuzi', 'suanshu','yingwen','hanzi']:
        data = {'errorinfo':'please check you param:code, code must be in shuzi/suanshu/yingwen/hanzi'}
        return jsonify(data)
    if base64pic is not None:
        try:
            src = base64.b64decode(base64pic.split(',')[-1])
            img = Image.open(BytesIO(src))
            if img.mode != "RGB":
                img = img.convert("RGB")
            if code_type == 'shuzi':
                pre = predict_digit(img)
            elif code_type == 'suanshu':
                pre = predict_arith(img)
                # pre = str(eval(pre))
            elif code_type == 'hanzi':
                pre = predict_chinese(img)
            elif code_type == 'yingwen':
                pre = predict_english(img)
            data['predict'] = pre
            data['success'] = True
            coun_dic[code_type]['total_num'] +=1
            app.logger.info("success ,use time:%.4f" %(time.time() - start_time))
            return jsonify(data)
        except:
            app.logger.info("except error,use time:%.4f" %(time.time() - start_time))
            return jsonify(data)
    if file_obj is not None:
        try:
            img = Image.open(file_obj)
            if img.mode != "RGB":
                img = img.convert("RGB")
            if code_type == 'shuzi':
                pre = predict_digit(img)
            elif code_type == 'suanshu':
                pre = predict_arith(img)
                # pre = str(eval(pre))
            elif code_type == 'hanzi':
                pre = predict_chinese(img)
            elif code_type == 'yingwen':
                pre = predict_english(img)
            data['success'] = True
            data['predict'] = pre
            coun_dic[code_type]['total_num'] += 1
            app.logger.info("success ,use time:%.4f" %(time.time() - start_time))
            # print('graph_node_num',len(tf.get_default_graph().as_graph_def().node))
            return jsonify(data)
        except:
            app.logger.info("except error, use time:%.4f" %(time.time() - start_time))
            return jsonify(data)

    return 'please check you post '


if __name__ == '__main__':
    handler = logging.FileHandler('flask.log', encoding='UTF-8')
    app.logger.setLevel("INFO")
    logging_format = logging.Formatter(
        '%(asctime)s - %(levelname)s - %(filename)s -%(lineno)s - %(message)s'
    )
    handler.setFormatter(logging_format)
    app.logger.addHandler(handler)
    app.run("0.0.0.0", port=17052, debug=False) # 2.177 本地IP