Method __init__

Lib/urllib/request.py:766–775

(self, proxies=None)

    handler_order = 100

    def __init__(self, proxies=None):
        if proxies is None:
            proxies = getproxies()
        assert hasattr(proxies, 'keys'), "proxies must be a mapping"
        self.proxies = proxies
        for type, url in proxies.items():
            type = type.lower()
            setattr(self, '%s_open' % type,
                    lambda r, proxy=url, type=type, meth=self.proxy_open:
                        meth(r, proxy, type))

    def proxy_open(self, req, proxy, type):
        orig_type = req.type