src/WeChatOcrCpp/ocr_aliyun.py

# https://help.aliyun.com/zh/sdk/developer-reference/generalized-call-node-js?spm=a2c4g.11186623.help-menu-262060.d_1_7_1_5.a6e115f7myuvHv
    # nodejs 的泛化调用

"""
pip install "alibabacloud_ocr-api20210707>=3.1.3,<4.0.0"
pip install "alibabacloud_tea_openapi>=0.3.16,<1.0.0"
pip install "alibabacloud_tea_console>=0.0.1,<1.0.0"
pip install "alibabacloud_tea_util>=0.3.13,<1.0.0"
pip install "alibabacloud_darabonba_stream>=0.0.2,<1.0.0"
pip install "alibabacloud_credentials>=1.0.2,<2.0.0"
"""

# see huggingface\imradv3\src\WpfEditor\AliOcr.cs
# see huggingface\imradv3\src\WeChatOcrCpp\ocr_aliyunV2.js

import cv2

import json
import decimal
import datetime
import numpy as np

class DecimalEncoder(json.JSONEncoder):
    def default(self, o):
        if isinstance(o, decimal.Decimal):
            return float(o)
        elif isinstance(o, datetime.datetime):
            return str(o)
        elif isinstance(o, (np.int_, np.intc, np.intp, np.int8,
                            np.int16, np.int32, np.int64, np.uint8,
                            np.uint16, np.uint32, np.uint64)):

            return int(o)
        super(DecimalEncoder, self).default(o)

def json_save(filename, dics):
    with open(filename, 'w', encoding='utf-8') as fp:
        json.dump(dics, fp, indent=4, cls=DecimalEncoder, ensure_ascii=False)
        fp.close()

def json_load(filename):
    with open(filename, encoding='utf-8') as fp:
        js = json.load(fp)
        fp.close()
        return js

def json_parse(s):
    return json.loads(s, strict=False )

def json_string(d):
    return json.dumps(d, cls=DecimalEncoder, ensure_ascii=False)

import os
import sys

from typing import List

from alibabacloud_ocr_api20210707.client import Client as ocr_api20210707Client
from alibabacloud_credentials.client import Client as CredentialClient
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_darabonba_stream.client import Client as StreamClient
from alibabacloud_ocr_api20210707 import models as ocr_api_20210707_models
from alibabacloud_tea_util import models as util_models
from alibabacloud_tea_console.client import Client as ConsoleClient
from alibabacloud_tea_util.client import Client as UtilClient


def showReslut(jsn, pth_img):
    imgData = np.fromfile(pth_img, dtype=np.uint8)
    img = cv2.imdecode(imgData, cv2.IMREAD_COLOR)

    prism_wordsInfo = jsn['prism_wordsInfo']

    for item in prism_wordsInfo:
        angle = item['angle']
        charInfo = item['charInfo']
        line_word = item['word']
        direction = item['direction']
0       
        

    pass

class Sample:
    def __init__(self):
        pass

    @staticmethod
    def create_client() -> ocr_api20210707Client:
        """
        使用凭据初始化账号Client
        @return: Client
        @throws Exception
        """

        cfg = json_load("../../src/WpfEditor/config.json")
        access_key_id = cfg["aliOCR"]["myAccessKeyID"]
        access_key_secret = cfg["aliOCR"]["myAccessKeySecret"]

        # 工程代码建议使用更安全的无AK方式，凭据配置方式请参见：https://help.aliyun.com/document_detail/378659.html。
        credential = CredentialClient()
        config = open_api_models.Config(
            type="access_key",
            access_key_id=access_key_id,
            access_key_secret=access_key_secret,
            endpoint="ocr-api.cn-hangzhou.aliyuncs.com",
            credential=credential
        )
        # access_key_id: str = None,
        # access_key_secret: str = None,
        # security_token: str = None,
        # bearer_token: str = None,
        # Endpoint 请参考 https://api.aliyun.com/product/ocr-api
        # config.endpoint = f'ocr-api.cn-hangzhou.aliyuncs.com'
        return ocr_api20210707Client(config)

    @staticmethod
    def main(
        args: List[str],
    ) -> None:
        
        pth_img = '../../data/0003.jpg'

        import os
        if os.path.exists('out.json'):
            jsn = json_load('out.json')
            showReslut(jsn, pth_img)
            return



        client = Sample.create_client()
        # 需要安装额外的依赖库，直接点击下载完整工程即可看到所有依赖。
        body_stream = StreamClient.read_from_file_path(pth_img)
        recognize_advanced_request = ocr_api_20210707_models.RecognizeAdvancedRequest(
            body=body_stream,
            need_rotate=False,
            need_sort_page=False,
            output_char_info=True

        )
        runtime = util_models.RuntimeOptions()

        data = None
        try:
            resp = client.recognize_advanced_with_options(recognize_advanced_request, runtime)
            if resp.status_code == 200:
              data = json_parse(resp.body.data)
        
            ConsoleClient.log(UtilClient.to_jsonstring(resp))
        except Exception as error:
            # 此处仅做打印展示，请谨慎对待异常处理，在工程项目中切勿直接忽略异常。
            # 错误 message
            print(error.message)
            # 诊断地址
            print(error.data.get("Recommend"))
            UtilClient.assert_as_string(error.message)
        
        if data:
            json_save('out.json', data)

if __name__ == '__main__':
    Sample.main(sys.argv[1:])