Create Image Captchas in Python with the captcha Library – Step‑by‑Step Guide
This tutorial explains how to install the Python captcha library and write a simple script to generate image captchas, then discusses using bulk‑generated captchas for machine‑learning training and web‑scraping applications.
Image captchas are frequently seen in everyday products and services. This article shows how to generate them using Python.
1. Install the captcha library
pip install captcha2. Write the captcha generation script
from captcha.image import ImageCaptcha
image = ImageCaptcha()
data = image.generate('1234')
image.write('1234', 'out.png')After running the script, the generated captcha image appears in the current directory.
Beyond typical website or app usage, you can generate large numbers of captchas to create training and testing data for machine‑learning models, enabling a captcha‑recognition service and assisting web‑crawlers.
Source: https://cloud.tencent.com/developer/article/1524291
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