app.py

# -*- coding: utf-8 -*-
"""
@author: lywen
"""
import os
import json
import time
import web
import numpy as np
import uuid
from PIL import Image
from model import  text_predict,crnn_handle

web.config.debug  = True

filelock='file.lock'
if os.path.exists(filelock):
   os.remove(filelock)

render = web.template.render('templates', base='base')

from config import *
from apphelper.image import union_rbox,adjust_box_to_origin,base64_to_PIL
from application import trainTicket,idcard

   
# from main import TextOcrModel



billList = ['通用OCR','火车票','身份证']

class OCR:
    """通用OCR识别"""

    def GET(self):
        post = {}
        post['postName'] = 'ocr'##请求地址
        post['height'] = 1000
        post['H'] = 1000
        post['width'] = 600
        post['W'] = 600
        post['billList'] = billList
        return render.ocr(post)

    def POST(self):
        t = time.time()
        data = web.data()
        uidJob = uuid.uuid1().__str__()
        
        data = json.loads(data)
        # print(data)
        billModel = data.get('billModel','')
        # textAngle = data.get('textAngle',False)##文字检测
        textLine = data.get('textLine',False)##只进行单行识别



        imgString = data['imgString'].encode().split(b';base64,')[-1]
        img = base64_to_PIL(imgString)
        if img is not None:
            img = np.array(img)
            
        H,W = img.shape[:2]

        while time.time()-t<=TIMEOUT:
            if os.path.exists(filelock):
                continue
            else:
                with open(filelock,'w') as f:
                    f.write(uidJob)
                                                
                if textLine:
                    ##单行识别
                    partImg = Image.fromarray(img)
                    text    = crnn_handle.predict(partImg)
                    res =[ {'text':text,'name':'0','box':[0,0,W,0,W,H,0,H]} ]
                    os.remove(filelock)
                    break
                        
                else:
                    # detectAngle = textAngle
                    result= text_predict(img)
        
        
        
                    if billModel=='' or billModel=='通用OCR' :
                        # result = union_rbox(result,0.2)
                        res = [{'text':x['text'],
                                'name':str(i),
                                'box':{'cx':x['cx'],
                                       'cy':x['cy'],
                                       'w':x['w'],
                                       'h':x['h'],
                                       'angle':x['degree']
        
                                      }
                               } for i,x in enumerate(result)]
                        # res = adjust_box_to_origin(img,angle, res)##修正box
        
                    elif billModel=='火车票':
                        res = trainTicket.trainTicket(result)
                        res = res.res
                        res =[ {'text':res[key],'name':key,'box':{}} for key in res]
        
                    elif billModel=='身份证':
        
                        res = idcard.idcard(result)
                        res = res.res
                        res =[ {'text':res[key],'name':key,'box':{}} for key in res]
                        
                    os.remove(filelock)
                    break
            
        
        timeTake = time.time()-t
         
        return json.dumps({'res':res,'timeTake':round(timeTake,4)},ensure_ascii=False)
        

urls = ('/ocr','OCR',)

if __name__ == "__main__":

      app = web.application(urls, globals())
      app.run()