基于路由规则分发请求

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    routing_csv = open_url(____).read()
    reg_csv = open_url(____).read()
    routing = pd.read_csv(StringIO(____))
    reg = pd.read_csv(StringIO(____))
    def route_request(____):
        rules = routing.sort_values(____)
        for _, rule in rules.iterrows():
            if path.startswith(____):
                svc = rule['____']
                instances = reg[(____)&(____)&(____)]
                if instances.empty:
                    instances = reg[(____)&(____)]
                if not instances.empty:
                    return svc, instances.iloc[____]['____']
        return None, None
    paths = ['____','____','____','____']
    for path in paths:
        ver = '____' if '____' in path else '____'
        svc, inst = route_request(____)
        print(____)