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Issue 13227: Option to make the lru_cache() type specific (suggested by Andrew Koenig).

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This commit is contained in:
Raymond Hettinger 2011-10-20 08:57:45 -07:00
parent e3455c026a
commit cd9fdfd652
5 changed files with 49 additions and 12 deletions
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7
Lib/re.py
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@ -207,7 +207,7 @@ def compile(pattern, flags=0):
def purge():
"Clear the regular expression caches"
_compile_typed.cache_clear()
_compile.cache_clear()
_compile_repl.cache_clear()
def template(pattern, flags=0):
@ -253,11 +253,8 @@ def escape(pattern):
_pattern_type = type(sre_compile.compile("", 0))
@functools.lru_cache(maxsize=500, typed=True)
def _compile(pattern, flags):
return _compile_typed(type(pattern), pattern, flags)
@functools.lru_cache(maxsize=500)
def _compile_typed(text_bytes_type, pattern, flags):
# internal: compile pattern
if isinstance(pattern, _pattern_type):
if flags: