40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
class Multiaddr:
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def __init__(self, addr):
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if not addr[0] == "/":
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raise MultiaddrValueError("Invalid input multiaddr.")
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addr = addr[1:]
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protocol_map = dict()
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split_addr = addr.split("/")
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if not split_addr or len(split_addr) % 2 != 0:
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raise MultiaddrValueError("Invalid input multiaddr.")
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is_protocol = True
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curr_protocol = ""
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for addr_part in split_addr:
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if is_protocol:
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curr_protocol = addr_part
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else:
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protocol_map[curr_protocol] = addr_part
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is_protocol = not is_protocol
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self.protocol_map = protocol_map
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self.addr = addr
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def get_protocols(self):
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return list(self.protocol_map.keys())
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def get_protocol_value(self, protocol):
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if protocol not in self.protocol_map:
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return None
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return self.protocol_map[protocol]
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class MultiaddrValueError(ValueError):
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"""Raised when the input string to the Multiaddr constructor was invalid."""
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pass
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