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ocr_vat_invoice.py
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import base64
import urllib
import requests
import json
import os
import sys
from configparser import ConfigParser
from loguru import logger
import pandas as pd
import glob
logger.remove()
logger.add(sys.stdout, format="{time} {level} {message}", level="INFO")
logger.add("logs/vat_invoice_{time}.log", level="DEBUG")
def main():
logger.info("Start vat invoice...")
config_parser = ConfigParser()
config_parser.read("config.cfg")
config = config_parser["default"]
API_KEY = config["API_KEY"]
SECRET_KEY = config["SECRET_KEY"]
BASE_PATH = config["BASE_PATH"]
config_part = config_parser["vat_invoice"]
vat_invoice_url = config_part["vat_invoice_url"]
vat_invoice_surfix = config_part["vat_invoice_surfix"]
vat_invoice_sheet = config_part["vat_invoice_sheet"]
OUT_FILE_NAME = config_part["vat_invoice_out_file_name"]
url = vat_invoice_url + get_access_token(API_KEY, SECRET_KEY)
sub_dirs = os.listdir(BASE_PATH)
vat_invoice_kvs = []
for sub_dir in sub_dirs:
for file_name in glob.glob(BASE_PATH + os.sep + sub_dir + os.sep + vat_invoice_surfix):
payload = get_file_content_as_base64(file_name, True)
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Accept': 'application/json'
}
response = requests.request("POST", url, headers=headers, data="pdf_file=" + payload)
response_text = response.text
logger.debug(response_text)
# parse x:
response_json = json.loads(response_text)
# {
# "log_id": "5425496231209218858",
# "words_result_num": 35,
# "words_result": {
# "ServiceType": "其他",
# "InvoiceNum": "14641426",
# "InvoiceNumConfirm": "14641426",
# "SellerName": "上海易火广告传媒有限公司",
# "CommodityTaxRate": [
# {
# "word": "6%",
# "row": "1"
# }
# ],
# "SellerBank": "中国银行南翔支行446863841354",
# "Checker": ":沈园园",
# "TotalAmount": "94339.62",
# "CommodityAmount": [
# {
# "word": "94339.62",
# "row": "1"
# }
# ],
# "InvoiceDate": "2016年06月02日",
# "CommodityTax": [
# {
# "word": "5660.38",
# "row": "1"
# }
# ],
# "PurchaserName": "百度时代网络技术(北京)有限公司",
# "CommodityNum": [
# {
# "word": "",
# "row": "1"
# }
# ],
# "Province": "上海",
# "City": "",
# "SheetNum": "第三联",
# "Agent": "否",
# "PurchaserBank": "招商银行北京分行大屯路支行8661820285100030",
# "Remarks": "告传",
# "Password": "074/45781873408>/6>8>65*887676033/51+<5415>9/32--852>1+29<65>641-5>66<500>87/*-34<943359034>716905113*4242>",
# "SellerAddress": ":嘉定区胜辛南路500号15幢1161室55033753",
# "PurchaserAddress": "北京市海淀区东北旺西路8号中关村软件园17号楼二属A2010-59108001",
# "InvoiceCode": "3100153130",
# "InvoiceCodeConfirm": "3100153130",
# "CommodityUnit": [
# {
# "word": "",
# "row": "1"
# }
# ],
# "Payee": ":徐蓉",
# "PurchaserRegisterNum": "110108787751579",
# "CommodityPrice": [
# {
# "word": "",
# "row": "1"
# }
# ],
# "NoteDrawer": "沈园园",
# "AmountInWords": "壹拾万圆整",
# "AmountInFiguers": "100000.00",
# "TotalTax": "5660.38",
# "InvoiceType": "专用发票",
# "SellerRegisterNum": "913101140659591751",
# "CommodityName": [
# {
# "word": "信息服务费",
# "row": "1"
# }
# ],
# "CommodityType": [
# {
# "word": "",
# "row": "1"
# }
# ],
# "CommodityPlateNum": [],
# "CommodityVehicleType": [],
# "CommodityStartDate": [],
# "CommodityEndDate": [],
# "OnlinePay": "",
# }
# }
logger.debug(response_json)
vat_invoice_kv = {}
logger.debug("TotalAmount：{}", response_json["words_result"]["TotalAmount"])
vat_invoice_kv["TotalAmount"] = response_json["words_result"]["TotalAmount"]
logger.debug("InvoiceDate：{}", response_json["words_result"]["InvoiceDate"])
vat_invoice_kv["InvoiceDate"] = response_json["words_result"]["InvoiceDate"]
logger.debug("InvoiceCode：{}", response_json["words_result"]["InvoiceCode"])
vat_invoice_kv["InvoiceCode"] = response_json["words_result"]["InvoiceCode"]
logger.debug("PurchaserName：{}", response_json["words_result"]["PurchaserName"])
vat_invoice_kv["PurchaserName"] = response_json["words_result"]["PurchaserName"]
logger.debug("PurchaserRegisterNum：{}", response_json["words_result"]["PurchaserRegisterNum"])
vat_invoice_kv["PurchaserRegisterNum"] = response_json["words_result"]["PurchaserRegisterNum"]
logger.debug("AmountInFiguers：{}", response_json["words_result"]["AmountInFiguers"])
vat_invoice_kv["AmountInFiguers"] = response_json["words_result"]["AmountInFiguers"]
logger.debug("SellerName：{}", response_json["words_result"]["SellerName"])
vat_invoice_kv["SellerName"] = response_json["words_result"]["SellerName"]
logger.debug("ServiceType：{}", response_json["words_result"]["ServiceType"])
vat_invoice_kv["ServiceType"] = response_json["words_result"]["ServiceType"]
logger.debug("InvoiceTypeOrg：{}", response_json["words_result"]["InvoiceTypeOrg"])
vat_invoice_kv["InvoiceTypeOrg"] = response_json["words_result"]["InvoiceTypeOrg"]
vat_invoice_kvs.append(vat_invoice_kv)
vat_invoice_df = pd.DataFrame(vat_invoice_kvs)
vat_invoice_df = vat_invoice_df.rename(columns={
'InvoiceDate': '开票日期',
'TotalAmount': '总金额',
'AmountInFiguers': '价税合计',
'InvoiceCode': '发票代码',
'PurchaserName': '购方名称',
'PurchaserRegisterNum': '购方纳税人识别号',
'SellerName': '销售方名称',
'ServiceType': '发票消费类型',
'InvoiceTypeOrg': '发票名称'
}
)
# writer = pd.ExcelWriter(BASE_PATH + os.sep + OUT_FILE_NAME, engine='openpyxl') # 可以向不同的sheet写入数据
# book = load_workbook(BASE_PATH + os.sep + OUT_FILE_NAME)
# writer.book = book
# vat_invoice_df.to_excel(writer, sheet_name=vat_invoice_sheet, index=True) # 将数据写入excel中的sheet2表,sheet_name改变后即是新增一个sheet
# writer.save() # 保存
#
vat_invoice_df.to_excel(BASE_PATH + os.sep + OUT_FILE_NAME, sheet_name=vat_invoice_sheet, index=True)
logger.info("End vat invoice...")
def get_file_content_as_base64(path, urlencoded=False):
"""
获取文件base64编码
:param path: 文件路径
:param urlencoded: 是否对结果进行urlencoded
:return: base64编码信息
"""
with open(path, "rb") as f:
content = base64.b64encode(f.read()).decode("utf8")
if urlencoded:
content = urllib.parse.quote_plus(content)
return content
def get_access_token(API_KEY, SECRET_KEY):
"""
使用 AK，SK 生成鉴权签名（Access Token）
:return: access_token，或是None(如果错误)
"""
url = "https://aip.baidubce.com/oauth/2.0/token"
params = {"grant_type": "client_credentials", "client_id": API_KEY, "client_secret": SECRET_KEY}
return str(requests.post(url, params=params).json().get("access_token"))
if __name__ == '__main__':
main()