Generate QRCode from URL. 为 URL 生成 QR 二维码，方便手机拍摄与转发。

generate_qrcode_from_url.py

import qrcode
from PIL import ImageFont, ImageDraw

def generate_qrcode_from_url(
    info = 'http://www.quxiaofeng.me/about',
    text_position = (43,10),
    code_version = 1,
    code_error_correction = qrcode.constants.ERROR_CORRECT_H,
    code_box_size = 10,
    code_border = 4,
    font_file_name = 'inconsolata.ttf',
    font_size = 18,
    ):
    """
    Generate QRCode from a URL.
    Usage (in jupyter):
        from generate_qrcode_from_url import *
        info = 'http://www.quxiaofeng.me/about'
        img = generate_qrcode_from_url(info)
        img
    """
    qr = qrcode.QRCode(
        version = code_version,
        error_correction = code_error_correction,
        box_size = code_box_size,
        border = code_border,
    )
    qr.add_data(info)
    qr.make(fit=True)
    img = qr.make_image()

    draw = ImageDraw.Draw(img)
    font = ImageFont.truetype(font_file_name, font_size)
    draw.text(text_position, info, font=font)
    return img