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47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
import datetime
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import re
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import secrets
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import socket
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from typing import Dict, Tuple
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# thanks jess!
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IRCV3_FORMAT_STRFTIME = "%Y-%m-%dT%H:%M:%S.%f%z"
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def ircv3_timestamp_to_unixtime(timestamp: str) -> float:
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return datetime.datetime.strptime(timestamp, IRCV3_FORMAT_STRFTIME).timestamp()
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def random_name(base: str) -> str:
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return base + "-" + secrets.token_hex(8)
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def find_hostname_and_port() -> Tuple[str, int]:
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"""Find available hostname/port to listen on."""
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.bind(("", 0))
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(hostname, port) = s.getsockname()
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s.close()
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return (hostname, port)
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"""
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Stolen from supybot:
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"""
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class MultipleReplacer:
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"""Return a callable that replaces all dict keys by the associated
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value. More efficient than multiple .replace()."""
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# We use an object instead of a lambda function because it avoids the
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# need for using the staticmethod() on the lambda function if assigning
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# it to a class in Python 3.
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def __init__(self, dict_: Dict[str, str]):
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self._dict = dict_
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dict_ = dict([(re.escape(key), val) for key, val in dict_.items()])
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self._matcher = re.compile("|".join(dict_.keys()))
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def __call__(self, s: str) -> str:
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return self._matcher.sub(lambda m: self._dict[m.group(0)], s)
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