binary_cache

Author: jiasli

src/azure-cli-core/azure/cli/core/auth/binary_cache.py

@@ -42,10 +42,11 @@ def load(self):
         logger.debug("load: %s", self.filename)
         try:
             self.data = self._load()
-        except (pickle.UnpicklingError, EOFError) as ex:
-            # We still get exception after retry:
+        except Exception as ex:  # pylint: disable=broad-exception-caught
+            # If we still get exception after retry, ignore all types of exceptions and use a new cache.
             # - pickle.UnpicklingError is caused by corrupted cache file, perhaps due to concurrent writes.
             # - EOFError is caused by empty cache file created by other az instance, but hasn't been filled yet.
+            # - AttributeError is caused by reading cache generated by different MSAL versions.
             logger.debug("Failed to load cache: %s. Using a fresh one.", ex)
             self.data = {}  # Ignore a non-existing or corrupted http_cache