Crossbar UserAgent Component for Random User Agent Generation

This function creates a UserAgent component based on Crossbar, which is used to generate random user agent strings. It uses the Component and Worker classes from crossbarlib, as well as the util_random module to generate random numbers.

Technology Stack : Python, Crossbarlib, Component, Worker, util_random

Code Type : Python Function

Code Difficulty : Intermediate

                
                    
def random_user_agent():
    from crossbarlib.component import Component
    from crossbarlib.component import Worker
    from crossbarlib.util import util_random

    class UserAgent(Component):
        def __init__(self, **kwargs):
            super().__init__(**kwargs)
            self.worker = Worker(self, "user_agent_worker")

        def user_agent_worker(self, msg, reply_to):
            # Generate a random user agent string
            agent = f"Mozilla/{util_random.randint(5, 10)}.{util_random.randint(0, 999)} " \
                    f"(Windows NT {util_random.randint(10, 21)}.{util_random.randint(0, 999)}; " \
                    f" rv:{util_random.randint(10, 100)}) Gecko/20100101 Firefox/{util_random.randint(10, 100)}"
            reply_to.send(dict(type="user_agent", value=agent))

    return UserAgent()