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gh-121376: Switch from stat.st_mtime to stat.mtime_ns to achieve more accuracy #121502

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gh-121376: Switch from stat.st_mtime to stat.mtime_ns to achieve more accuracy #121502

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4 changes: 2 additions & 2 deletions Lib/importlib/_bootstrap_external.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1111,7 +1111,7 @@ def get_code(self, fullname):
except OSError:
pass
else:
source_mtime = int(st['mtime'])
source_mtime = st['mtime_ns']
try:
data = self.get_data(bytecode_path)
except OSError:
Expand Down Expand Up @@ -1231,7 +1231,7 @@ class SourceFileLoader(FileLoader, SourceLoader):
def path_stats(self, path):
"""Return the metadata for the path."""
st = _path_stat(path)
return {'mtime': st.st_mtime, 'size': st.st_size}
return {'mtime_ns': st.st_mtime_ns, 'size': st.st_size}

def _cache_bytecode(self, source_path, bytecode_path, data):
# Adapt between the two APIs
Expand Down