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the impresources.files traversible is not threadsafe

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ed 2024-10-04 22:37:29 +00:00
parent 22c7e09b3f
commit a99fa3375d
1 changed files with 7 additions and 23 deletions
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30
copyparty/util.py
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@ -3588,6 +3588,10 @@ def hidedir(dp) -> None:
try: try:
if sys.version_info < (3, 10):
# py3.8 doesn't have .files
# py3.9 has broken .is_file
raise ImportError()
import importlib.resources as impresources import importlib.resources as impresources
except ImportError: except ImportError:
try: try:
@ -3618,37 +3622,17 @@ def stat_resource(E: EnvParams, name: str):
return None return None
def _find_impresource_cold(E: EnvParams, name: str): def _find_impresource(E: EnvParams, name: str):
global _rescache_imp, _find_impresource
assert impresources # !rm assert impresources # !rm
try: try:
_rescache_imp = impresources.files(E.pkg) files = impresources.files(E.pkg)
except ImportError: except ImportError:
return None return None
_find_impresource = _find_impresource_warm return files.joinpath(name)
return _find_impresource(E, name)
def _find_impresource_warm(E: EnvParams, name: str):
if not _rescache_imp:
return None
try:
return _rescache_res[name]
except:
if len(_rescache_res) > 999:
_rescache_res.clear()
ret = _rescache_imp.joinpath(name)
_rescache_res[name] = ret
return ret
_find_impresource = _find_impresource_cold
_rescache_imp = None
_rescache_has = {} _rescache_has = {}
_rescache_res = {}
def _has_resource(E: EnvParams, name: str): def _has_resource(E: EnvParams, name: str):