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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Isolate the `_decimal` extension module","articleBody":"This issue is used to track the PRs split from [gh-103092](https://github.com/python/cpython/pull/103381). Isolate the `_decimal` extension module by: \r\n\r\n* Establish a global module state and convert static types to heap types\r\n* Move other global static variables to the global module state(possibly multiple PRs)\r\n  - [x] DecimalException\r\n  - [x] basic_context_template\r\n  - [x] tls_context_key\r\n  - [x] cached_context\r\n  - [x] current_context_var\r\n  - [x] default_context_template\r\n  - [x] extended_context_template\r\n  - [x] round_map\r\n  - [x] Rational\r\n  - [x] SignalTuple\r\n  - [x] External C-API functions\r\n* Convert the global module state to true module state\r\n  - [x] signal_map\r\n  - [x] cond_map\r\n  - [x] convert global state to module state\r\n\r\nSee original issue [Isolate Stdlib Extension Modules](https://github.com/python/cpython/issues/103092)  and [PEP-687](https://peps.python.org/pep-0687/) for details.\r\n\r\n\r\n\r\n\u003c!-- gh-linked-prs --\u003e\r\n### Linked PRs\r\n* gh-106079\r\n* gh-106301\r\n* gh-106346\r\n* gh-106395\r\n* gh-106475\r\n* gh-106616\r\n* gh-106880\n* gh-107287\n* gh-107524\n\u003c!-- /gh-linked-prs --\u003e\r\n","author":{"url":"https://github.com/CharlieZhao95","@type":"Person","name":"CharlieZhao95"},"datePublished":"2023-06-25T08:46:22.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/106078/cpython/issues/106078"}