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Fasten rosversion --all #253

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Fasten rosversion --all #253

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8 changes: 7 additions & 1 deletion src/rospkg/rospack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@
from .stack import InvalidStack, parse_stack_file

_cache_lock = Lock()
path_cache = {}


def list_by_path(manifest_name, path, cache):
Expand All @@ -68,7 +69,12 @@ def list_by_path(manifest_name, path, cache):
continue # leaf
if PACKAGE_FILE in files:
# parse package.xml and decide if it matches the search criteria
root = ElementTree(None, os.path.join(d, PACKAGE_FILE))
tmp_path = os.path.join(d, PACKAGE_FILE)
if tmp_path in path_cache:
root = path_cache[tmp_path]
else:
root = ElementTree(None, os.path.join(d, PACKAGE_FILE))
path_cache[tmp_path] = root
is_metapackage = root.find('./export/metapackage') is not None
if (
(manifest_name == STACK_FILE and is_metapackage) or
Expand Down