resourceutil: document when we expect to take the importlib.resouces code path
Differential Revision: https://phab.mercurial-scm.org/D9018
--- a/mercurial/utils/resourceutil.py Thu Sep 10 22:00:00 2020 -0700
+++ b/mercurial/utils/resourceutil.py Sat Sep 12 11:18:12 2020 -0700
@@ -55,6 +55,8 @@
try:
+ # importlib.resources exists from Python 3.7; see fallback in except clause
+ # further down
from importlib import resources
from .. import encoding
@@ -78,6 +80,8 @@
except (ImportError, AttributeError):
+ # importlib.resources was not found (almost definitely because we're on a
+ # Python version before 3.7)
def open_resource(package, name):
path = os.path.join(_package_path(package), name)