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NetworkCoreWithUtils: wrap irc.to_lower in a lru_cache

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James Lu 2017-07-07 14:33:00 -07:00
parent f7dfc38688
commit 3bcf0092e9
1 changed files with 12 additions and 6 deletions
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18
classes.py
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@ -16,6 +16,7 @@ from copy import deepcopy
import inspect import inspect
import ipaddress import ipaddress
import queue import queue
import functools
try: try:
import ircmatch import ircmatch
@ -473,24 +474,29 @@ class PyLinkNetworkCore(utils.DeprecatedAttributesObject, utils.CamelCaseToSnake
return False return False
class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore): class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs) super().__init__(*args, **kwargs)
# Lock for updateTS to make sure only one thread can change the channel TS at one time. # Lock for updateTS to make sure only one thread can change the channel TS at one time.
self._ts_lock = threading.Lock() self._ts_lock = threading.Lock()
def to_lower(self, text): @staticmethod
"""Returns a lowercase representation of text based on the IRC object's @functools.lru_cache(maxsize=2048)
casemapping (rfc1459 or ascii).""" def _to_lower_core(text, casemapping='rfc1459'):
if self.casemapping == 'rfc1459': if casemapping == 'rfc1459':
text = text.replace('{', '[') text = text.replace('{', '[')
text = text.replace('}', ']') text = text.replace('}', ']')
text = text.replace('|', '\\') text = text.replace('|', '\\')
text = text.replace('~', '^') text = text.replace('~', '^')
# Encode the text as bytes first, and then lowercase it so that only ASCII characters are # Encode the text as bytes first, and then lowercase it so that only ASCII characters are
# changed. Unicode in channel names, etc. is case sensitive because IRC is just that old of # changed. Unicode in channel names, etc. *is* case sensitive!
# a protocol!!!
return text.encode().lower().decode() return text.encode().lower().decode()
def to_lower(self, text):
"""Returns a lowercase representation of text based on the IRC object's
casemapping (rfc1459 or ascii)."""
return self._to_lower_core(text, casemapping=self.casemapping)
def parse_modes(self, target, args): def parse_modes(self, target, args):
"""Parses a modestring list into a list of (mode, argument) tuples. """Parses a modestring list into a list of (mode, argument) tuples.
['+mitl-o', '3', 'person'] => [('+m', None), ('+i', None), ('+t', None), ('+l', '3'), ('-o', 'person')] ['+mitl-o', '3', 'person'] => [('+m', None), ('+i', None), ('+t', None), ('+l', '3'), ('-o', 'person')]