mitmproxy_addson_demo.py

from mitmproxy import ctx


class Replacer:
    def __init__(self):
        self.num = 0

    def response(self, flow):
        self.num = self.num + 1
        flow.response.content = flow.response.content.replace('知道'.encode(), '知道个屁'.encode())
        ctx.log.info(f"We've replaced {self.num} flows")


addons = [
    Replacer()
]