Fix: Preprocessing of articles stops if curation folder does not exist for an article (Issue #105) #107
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Description
While fetching items, preservation remote storages are checked for a preserved copy of each item. For an article, the size (in bytes) of its UAL_RDM folder in curation storage is required (#103). If the UAL_RDM folder of an article is not found or an error occurs during size calculation, the fetching of articles stops regardless of whether there are more articles to be fetched.
This PR fixes the issue by logging an error and aborting execution if the --continue-on-error flag is not set else it logs an error and skips the article with with error. It also updates the execution notes in README with this behaviour.
Note: This PR adds counts of articles and versions with fetch error the to log summary.
Fixes #105
Screenshots or additional context
None
Testing (if applicable)
See Steps To Reproduce in #105