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Issue #17011: Fix caching of xpath path when namespaces are present.

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Thanks to Stefan Behnel for the report and proposed solution & test.
This commit is contained in:
Eli Bendersky 2013-08-03 17:47:47 -07:00
parent 3ceaff0777
commit 2acc525a97
2 changed files with 18 additions and 2 deletions
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6
Lib/xml/etree/ElementPath.py
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@ -246,10 +246,12 @@ class _SelectorContext:
def iterfind(elem, path, namespaces=None):
# compile selector pattern
cache_key = (path, None if namespaces is None
else tuple(sorted(namespaces.items())))
if path[-1:] == "/":
path = path + "*" # implicit all (FIXME: keep this?)
try:
selector = _cache[path]
selector = _cache[cache_key]
except KeyError:
if len(_cache) > 100:
_cache.clear()
@ -269,7 +271,7 @@ def iterfind(elem, path, namespaces=None):
token = next()
except StopIteration:
break
_cache[path] = selector
_cache[cache_key] = selector
# execute selector pattern
result = [elem]
context = _SelectorContext(elem)