René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`msgfmt.py`: Test validity of generated file","articleBody":"# Feature or enhancement\n\n### Proposal:\n\nTest the header of the binary .mo file is generated correctly and is as expected for example the start of a `msgfmt.py` generated file:\n\n```\nde12 0495 0000 0000 0900 0000 1c00 0000\n6400 0000 0000 0000 0000 0000 0000 0000\n```\nde12 0495 - magic number\n0000 0000 - version\n0900 0000 - # of entries\n1c00 0000 - start of key index\n6400 0000 - size of value table\n0000 0000 - size of hash table \n0000 0000 - offset of hash table\n\nWe currently do not test the structure of the `.mo` though it is partially covered as I presume the translation tests may fail but that depends on `gettext`.\n\nTesting the last four will result in errors with a `msgfmt.c` generated `general.mo` as `msgfmt.c` generates a hash table (this will change soon I hope as we will too https://github.com/python/cpython/issues/131725 :-) so I think we should just test the first 3 for now and test the rest later.\n\nI will send a pr\n\n### Has this already been discussed elsewhere?\n\nThis is a minor feature, which does not need previous discussion elsewhere\n\n### Links to previous discussion of this feature:\n\n_No response_\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-131854\n* gh-131879\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/StanFromIreland","@type":"Person","name":"StanFromIreland"},"datePublished":"2025-03-28T16:21:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/131853/cpython/issues/131853"}