57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
""" QR Code related utilities. """
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from os import remove
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from pyqrcode import create
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from pyzbar.pyzbar import decode
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from PIL import Image
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from pagermaid import log
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from pagermaid.listener import listener
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from pagermaid.utils import obtain_message, upload_attachment
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@listener(outgoing=True, command="genqr",
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description="生成 QR Code 。",
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parameters="<string>")
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async def genqr(context):
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""" Generate QR codes. """
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reply_id = context.reply_to_msg_id
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try:
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message = await obtain_message(context)
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except ValueError:
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await context.edit("出错了呜呜呜 ~ 无效的参数。")
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return
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await context.edit("生成QR码中。。。")
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try:
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create(message, error='L', mode='binary').png('qr.webp', scale=6)
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except UnicodeEncodeError:
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await context.edit("出错了呜呜呜 ~ 解析目标消息中的字符出现错误。")
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return
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await upload_attachment("qr.webp", context.chat_id, reply_id)
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remove("qr.webp")
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await context.delete()
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await log(f"为 `{message}` 生成了一张 QR 码。")
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@listener(outgoing=True, command="parseqr",
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description="回复一张 QR 码进行解析并发送 QR 码内容。")
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async def parseqr(context):
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""" Parse attachment of replied message as a QR Code and output results. """
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success = False
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target_file_path = await context.client.download_media(
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await context.get_reply_message()
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)
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if not target_file_path:
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await context.edit("出错了呜呜呜 ~ 回复的消息中没有附件。")
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return
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try:
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message = str(decode(Image.open(target_file_path))[0].data)[2:][:-1]
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success = True
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await context.edit(f"**内容: **\n"
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f"`{message}`")
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except IndexError:
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await context.edit("出错了呜呜呜 ~ 回复的附件不是 QR 码。")
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message = None
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if success:
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await log(f"已解析一张带有 QR 码的消息，内容： `{message}`.")
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remove(target_file_path)
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