34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
import base64
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from app.utils.http import RequestUtils
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class OcrHelper:
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_ocr_b64_url = "https://nastool.org/captcha/base64"
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def get_captcha_text(self, image_url=None, image_b64=None, cookie=None, ua=None):
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"""
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根据图片地址，获取验证码图片，并识别内容
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:param image_url: 图片地址
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:param image_b64: 图片base64，跳过图片地址下载
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:param cookie: 下载图片使用的cookie
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:param ua: 下载图片使用的ua
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"""
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if image_url:
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ret = RequestUtils(headers=ua,
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cookies=cookie).get_res(image_url)
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if ret is not None:
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image_bin = ret.content
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if not image_bin:
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return ""
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image_b64 = base64.b64encode(image_bin).decode()
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if not image_b64:
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return ""
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ret = RequestUtils(content_type="application/json").post_res(
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url=self._ocr_b64_url,
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json={"base64_img": image_b64})
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if ret:
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return ret.json().get("result")
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return ""
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