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Cache template regex compiles (#78529)

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J. Nick Koston 2022-09-18 04:48:04 -05:00 committed by GitHub
parent 59aef20e99
commit 8dbbd0ded0
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1 changed files with 10 additions and 5 deletions
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15
homeassistant/helpers/template.py
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@ -1719,7 +1719,13 @@ def regex_match(value, find="", ignorecase=False):
if not isinstance(value, str):
value = str(value)
flags = re.I if ignorecase else 0
return bool(re.match(find, value, flags))
return bool(_regex_cache(find, flags).match(value))
@lru_cache(maxsize=128)
def _regex_cache(find: str, flags: int) -> re.Pattern:
"""Cache compiled regex."""
return re.compile(find, flags)
def regex_replace(value="", find="", replace="", ignorecase=False):
@ -1727,8 +1733,7 @@ def regex_replace(value="", find="", replace="", ignorecase=False):
if not isinstance(value, str):
value = str(value)
flags = re.I if ignorecase else 0
regex = re.compile(find, flags)
return regex.sub(replace, value)
return _regex_cache(find, flags).sub(replace, value)
def regex_search(value, find="", ignorecase=False):
@ -1736,7 +1741,7 @@ def regex_search(value, find="", ignorecase=False):
if not isinstance(value, str):
value = str(value)
flags = re.I if ignorecase else 0
return bool(re.search(find, value, flags))
return bool(_regex_cache(find, flags).search(value))
def regex_findall_index(value, find="", index=0, ignorecase=False):
@ -1749,7 +1754,7 @@ def regex_findall(value, find="", ignorecase=False):
if not isinstance(value, str):
value = str(value)
flags = re.I if ignorecase else 0
return re.findall(find, value, flags)
return _regex_cache(find, flags).findall(value)
def bitwise_and(first_value, second_value):