import os import re import time import shutil import base64 import signal import requests import traceback from django import db from PIL import Image from datetime import datetime from django.core.management import BaseCommand from multiprocessing import Process from settings import conf from common.mixins import LoggerMixin from common.tools.pdf_to_img import PDFHandler from apps.doc import consts from apps.doc.exceptions import OCR1Exception, OCR4Exception from apps.doc.ocr.wb import BSWorkbook from apps.doc.models import OfflineReport, AFCOfflineReport from apps.doc.named_enum import OfflineFailureReason class TIFFHandler: def __init__(self, path, img_save_path): self.path = path self.img_save_path = img_save_path self.img_path_list = [] def extract_image(self): os.makedirs(self.img_save_path, exist_ok=True) tiff = Image.open(self.path) tiff.load() for i in range(tiff.n_frames): try: save_path = os.path.join(self.img_save_path, 'page_{0}.jpeg'.format(i)) tiff.seek(i) tiff.save(save_path) self.img_path_list.append(save_path) except EOFError: break class Command(BaseCommand, LoggerMixin): def __init__(self): super().__init__() self.log_base = '[folder ocr process]' # 处理文件开关 self.switch = True # 睡眠时间 self.sleep_time = float(conf.SLEEP_SECOND_FOLDER) # input folder self.input_dirs = conf.get_namespace('INPUT_DIR_') # ocr相关 self.ocr_url = conf.OCR_URL_FOLDER self.ocr_url_4 = conf.IC_URL # 优雅退出信号:15 signal.signal(signal.SIGTERM, self.signal_handler) def signal_handler(self, sig, frame): self.switch = False # 停止处理文件 def license1_process(self, ocr_data, license_summary, classify): # 类别:'0'身份证, '1'居住证 license_data = ocr_data.get('data') if not license_data: return if isinstance(license_data, dict): license_data.pop('base64_img', '') # 保单 if classify == consts.INSURANCE_CLASSIFY: product_result = ['', '', ''] for product in license_data.get('result', {}).get('productList', []): name = product.get('name', {}).get('words', '') if name.find('机动车损失') != -1: product_result[0] = product.get('coverage', {}).get('words', '') product_result[2] = product.get('deductible_franchise', {}).get('words', '') elif name.find('第三者责任') != -1: product_result[1] = product.get('coverage', {}).get('words', '') special_str = license_data.get('result', {}).get('1stBeneficiary', {}).get('words', '') special = '无' if special_str.find('宝马') != -1 or special_str.find('先锋国际融资租赁有限公司') != -1: special = '有' insurance_ocr_result = { '被保险人姓名': license_data.get('result', {}).get('insured', {}).get('name', {}).get('words', ''), '被保险人证件号码': license_data.get('result', {}).get('insured', {}).get('certiCode', {}).get('words', ''), '车架号': license_data.get('result', {}).get('vehicle', {}).get('VIN', {}).get('words', ''), '机动车损失保险金额': product_result[0], '机动车第三者责任保险金额': product_result[1], '机动车损失保险绝对免赔率/绝对免赔额': product_result[2], '保险费合计': license_data.get('result', {}).get('premiumSum', {}).get('words', ''), '保险起始日期': license_data.get('result', {}).get('startDate', {}).get('words', ''), '保险截止日期': license_data.get('result', {}).get('endDate', {}).get('words', ''), '保单章': license_data.get('result', {}).get('seal', {}).get('words', ''), '特别约定第一受益人': special, } license_summary.setdefault(classify, []).append(insurance_ocr_result) # DDA elif classify == consts.DDA_CLASSIFY: pro = ocr_data.get('confidence', 0) if pro < consts.DDA_PRO_MIN: return dda_ocr_result = {} for key, value in license_data.get('result', {}).items(): dda_ocr_result[key] = value.get('words', '') dda_ocr_result[consts.DDA_PRO] = pro license_summary.setdefault(classify, []).append(dda_ocr_result) # 抵押登记豁免函 elif classify == consts.HMH_CLASSIFY: hmh_ocr_result = {} for key, value in license_data.get('words_result', {}).items(): hmh_ocr_result[key] = value.get('words', '') license_summary.setdefault(classify, []).append(hmh_ocr_result) # 二手车交易凭证 elif classify == consts.JYPZ_CLASSIFY: jypz_ocr_result = {} for key, value in license_data.get('result', {}).items(): jypz_ocr_result[key] = value.get('words', '') license_summary.setdefault(classify, []).append(jypz_ocr_result) # 车辆登记证 3/4页结果整合 elif classify == consts.MVC_CLASSIFY: rebuild_data_dict = {} mvc_page = license_data.pop('page', 'VehicleRCI') mvc_res = license_data.pop('results', {}) if mvc_page == 'VehicleRegArea': rebuild_data_dict['机动车登记证书编号'] = mvc_res.get('机动车登记证书编号', {}).get('words', '') for register_info in mvc_res.get('登记信息', []): register_info.pop('register_type', None) register_info.pop('register_type_name', None) for cn_key, detail_dict in register_info.items(): rebuild_data_dict.setdefault(cn_key, []).append( detail_dict.get('words', '')) else: for cn_key, detail_dict in mvc_res.items(): rebuild_data_dict[cn_key] = detail_dict.get('words', '') del mvc_res license_summary.setdefault(classify, []).append(rebuild_data_dict) # 身份证真伪 elif classify == consts.IC_CLASSIFY: id_card_dict = {} card_type = license_data.get('type', '') is_ic = card_type.startswith('身份证') is_info_side = card_type.endswith('信息面') id_card_dict['类别'] = '0' if is_ic else '1' if is_ic: field_map = consts.IC_MAP_0 if is_info_side else consts.IC_MAP_1 else: field_map = consts.RP_MAP_0 if is_info_side else consts.RP_MAP_1 for write_field, search_field in field_map: id_card_dict[write_field] = license_data.get('words_result', {}).get(search_field, {}).get('words', '') if not is_info_side: start_time = license_data.get('words_result', {}).get('签发日期', {}).get('words', '') end_time = license_data.get('words_result', {}).get('失效日期', {}).get('words', '') id_card_dict['有效期限'] = '{0}-{1}'.format(start_time, end_time) id_card_dict[consts.IC_TURE_OR_FALSE] = consts.IC_RES_MAPPING.get(1) license_summary.setdefault(classify, []).append(id_card_dict) # 购车发票 & 二手车发票 elif classify == consts.MVI_CLASSIFY or classify == consts.UCI_CLASSIFY: rebuild_data_dict = {} mvi_res = license_data.pop('result', {}) for en_key, detail_dict in mvi_res.items(): rebuild_data_dict[detail_dict.get('chinese_key', '')] = detail_dict.get('words', '') rebuild_data_dict['新旧版式'] = license_data.get('layout', '') license_summary.setdefault(classify, []).append(rebuild_data_dict) # 其他 else: license_summary.setdefault(classify, []).extend(license_data) @staticmethod def parse_img_path(img_path): # 'page_{0}_img_{1}.{2}'.format(pno, img_index, ext) img_name, _ = os.path.splitext(os.path.basename(img_path)) if re.match(r'page_\d+_img_\d+', img_name): part_list = img_name.split('_') return img_name, int(part_list[1])+1, int(part_list[3])+1 else: return img_name, 1, 1 @staticmethod def get_path(name, img_output_dir, wb_output_dir, pdf_output_dir): time_stamp = datetime.now().strftime('%Y-%m-%d_%H_%M_%S') new_name = '{0}_{1}'.format(time_stamp, name) img_save_path = os.path.join(img_output_dir, new_name) pdf_save_path = os.path.join(pdf_output_dir, new_name) excel_name = '{0}.xlsx'.format(os.path.splitext(new_name)[0]) excel_path = os.path.join(wb_output_dir, excel_name) return img_save_path, excel_path, pdf_save_path def res_process(self, all_res, classify, excel_path): try: license_summary = {} if not all_res: return else: for img_path, ocr_res in all_res.items(): # img_name, pno, ino = self.parse_img_path(img_path) # part_idx = 1 if isinstance(ocr_res, dict): if ocr_res.get('code') == 1: data_list = ocr_res.get('data', []) if isinstance(data_list, list): for ocr_data in data_list: # part_idx = part_idx + 1 self.license1_process(ocr_data, license_summary, classify) wb = BSWorkbook(set(), set(), set(), set(), set()) wb.simple_license_rebuild(license_summary, consts.DOC_SCHEME_LIST[0]) wb.remove_base_sheet() wb.save(excel_path) except Exception as e: self.folder_log.error('{0} [wb build error] [path={1}] [error={2}]'.format( self.log_base, excel_path, traceback.format_exc())) def ocr_process(self, img_path, classify): if os.path.exists(img_path): # TODO 图片验证 with open(img_path, 'rb') as f: base64_data = base64.b64encode(f.read()) # 获取解码后的base64值 file_data = base64_data.decode() json_data = { "file": file_data, "classify": classify } for times in range(consts.RETRY_TIMES): try: start_time = time.time() ocr_response = requests.post(self.ocr_url, json=json_data) if ocr_response.status_code != 200: raise OCR1Exception('{0} ocr status code: {1}'.format(self.log_base, ocr_response.status_code)) except Exception as e: self.folder_log.warn('{0} [ocr failed] [times={1}] [img_path={2}] [error={3}]'.format( self.log_base, times, img_path, traceback.format_exc())) else: ocr_res = ocr_response.json() end_time = time.time() speed_time = int(end_time - start_time) self.folder_log.info('{0} [ocr success] [img={1}] [speed_time={2}]'.format( self.log_base, img_path, speed_time)) return ocr_res else: self.folder_log.warn('{0} [ocr failed] [img_path={1}]'.format(self.log_base, img_path)) def images_process(self, img_path_list, classify, excel_path): all_res = {} for img_path in img_path_list: ocr_res = self.ocr_process(img_path, classify) all_res[img_path] = ocr_res self.res_process(all_res, classify, excel_path) def pdf_process(self, name, path, classify, img_output_dir, wb_output_dir, pdf_output_dir): if os.path.exists(path): try: img_save_path, excel_path, pdf_save_path = self.get_path(name, img_output_dir, wb_output_dir, pdf_output_dir) self.folder_log.info('{0} [pdf to img start] [path={1}]'.format(self.log_base, path)) pdf_handler = PDFHandler(path, img_save_path) pdf_handler.extract_image() self.folder_log.info('{0} [pdf to img end] [path={1}]'.format(self.log_base, path)) except Exception as e: self.folder_log.error('{0} [pdf to img error] [path={1}] [error={2}]'.format( self.log_base, path, traceback.format_exc())) raise e else: self.images_process(pdf_handler.img_path_list, classify, excel_path) shutil.move(path, pdf_save_path) def tif_process(self, name, path, classify, img_output_dir, wb_output_dir, tiff_output_dir): if os.path.exists(path): try: img_save_path, excel_path, tiff_save_path = self.get_path(name, img_output_dir, wb_output_dir, tiff_output_dir) self.folder_log.info('{0} [tiff to img start] [path={1}]'.format(self.log_base, path)) tiff_handler = TIFFHandler(path, img_save_path) tiff_handler.extract_image() self.folder_log.info('{0} [tiff to img end] [path={1}]'.format(self.log_base, path)) except Exception as e: self.folder_log.error('{0} [tiff to img error] [path={1}] [error={2}]'.format( self.log_base, path, traceback.format_exc())) raise e else: self.images_process(tiff_handler.img_path_list, classify, excel_path) shutil.move(path, tiff_save_path) def img_process(self, name, path, classify, wb_output_dir, img_output_dir, pdf_output_dir): try: img_save_path, excel_path, _ = self.get_path(name, img_output_dir, wb_output_dir, pdf_output_dir) except Exception as e: self.folder_log.error('{0} [get path error] [path={1}] [error={2}]'.format( self.log_base, path, traceback.format_exc())) else: ocr_res = self.ocr_process(path, classify) all_res = {path: ocr_res} self.res_process(all_res, classify, excel_path) shutil.move(path, img_save_path) def folder_process(self, input_dir, classify): while not os.path.isdir(input_dir): self.folder_log.info('{0} [input dir is not dir] [input_dir={1}]'.format(self.log_base, input_dir)) if self.switch: time.sleep(self.sleep_time) continue else: return output_dir = os.path.join(os.path.dirname(input_dir), 'Output') img_output_dir = os.path.join(output_dir, 'image') wb_output_dir = os.path.join(output_dir, 'excel') pdf_output_dir = os.path.join(output_dir, 'pdf') tiff_output_dir = os.path.join(output_dir, 'tiff') failed_output_dir = os.path.join(output_dir, 'failed') os.makedirs(output_dir, exist_ok=True) os.makedirs(img_output_dir, exist_ok=True) os.makedirs(wb_output_dir, exist_ok=True) os.makedirs(pdf_output_dir, exist_ok=True) os.makedirs(tiff_output_dir, exist_ok=True) os.makedirs(failed_output_dir, exist_ok=True) os_error_filename_set = set() while self.switch: # if not os.path.isdir(input_dir): # self.folder_log.info('{0} [input dir is not dir] [input_dir={1}]'.format(self.log_base, input_dir)) # time.sleep(self.sleep_time) # continue # 1. 从input dir获取pdf or image list_dir = os.listdir(input_dir) if not list_dir and len(os_error_filename_set) == 0: self.folder_log.info('{0} [input dir empty] [input_dir={1}]'.format(self.log_base, input_dir)) time.sleep(self.sleep_time) continue all_file_set = set(list_dir) true_file_set = all_file_set - os_error_filename_set if len(true_file_set) == 0 and len(os_error_filename_set) > 0: true_file_set.add(os_error_filename_set.pop()) for name in true_file_set: time.sleep(8) is_success = True failure_reason = OfflineFailureReason.OS_ERROR.value start_time = time.time() path = os.path.join(input_dir, name) try: if not os.path.exists(path): self.folder_log.info('{0} [path is not exists] [path={1}]'.format(self.log_base, path)) continue elif os.path.isfile(path): self.folder_log.info('{0} [file start] [path={1}]'.format(self.log_base, path)) if name.endswith('.pdf') or name.endswith('.PDF'): self.pdf_process(name, path, classify, img_output_dir, wb_output_dir, pdf_output_dir) elif name.endswith('.tif') or name.endswith('.TIF') or name.endswith('.tiff') or \ name.endswith('.TIFF'): self.tif_process(name, path, classify, img_output_dir, wb_output_dir, tiff_output_dir) else: self.img_process(name, path, classify, wb_output_dir, img_output_dir, pdf_output_dir) self.folder_log.info('{0} [file end] [path={1}]'.format(self.log_base, path)) else: self.folder_log.info('{0} [path is dir] [path={1}]'.format(self.log_base, path)) failed_path = os.path.join(failed_output_dir, '{0}_{1}'.format(time.time(), name)) shutil.move(path, failed_path) except OSError: is_success = False failure_reason = OfflineFailureReason.OS_ERROR.value os_error_filename_set.add(name) self.folder_log.error('{0} [os error] [path={1}] [error={2}]'.format( self.log_base, path, traceback.format_exc())) except Exception as e: is_success = False failure_reason = OfflineFailureReason.PROCESS_ERROR.value try: self.folder_log.error('{0} [file error] [path={1}] [error={2}]'.format(self.log_base, path, traceback.format_exc())) failed_path = os.path.join(failed_output_dir, '{0}_{1}'.format(time.time(), name)) shutil.move(path, failed_path) except Exception as e: failure_reason = OfflineFailureReason.OS_ERROR.value os_error_filename_set.add(name) self.folder_log.error('{0} [file move error] [path={1}] [error={2}]'.format( self.log_base, path, traceback.format_exc())) finally: end_time = time.time() try: report_table = OfflineReport if input_dir.find(consts.HIL_PREFIX) != -1 else AFCOfflineReport report_table.objects.create( input_folder=input_dir, doc_type=classify, file_name=name, status=is_success, failure_reason=failure_reason, duration=int(end_time-start_time) ) except Exception as e: self.folder_log.error('{0} [db save failed] [path={1}] [error={2}]'.format( self.log_base, path, traceback.format_exc())) def handle(self, *args, **kwargs): db.close_old_connections() process_list = [] for classify_idx, input_dir in self.input_dirs.items(): classify = int(classify_idx.split('_')[0]) process = Process(target=self.folder_process, args=(input_dir, classify)) process_list.append(process) for p in process_list: p.start() for p in process_list: p.join() self.folder_log.info('{0} [stop safely]'.format(self.log_base))