issues: 1344823170
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| 1344823170 | PR_kwDOBm6k_c49e3_k | 1789 | Add new entrypoint option to `--load-extension` | 15178711 | closed | 0 | 9 | 2022-08-19T19:27:47Z | 2022-08-23T18:42:52Z | 2022-08-23T18:34:30Z | CONTRIBUTOR | simonw/datasette/pulls/1789 | Closes #1784 The `--load-extension` flag can now accept an optional "entrypoint" value, to specify which entrypoint SQLite should load from the given extension. ```bash # would load default entrypoint like before datasette data.db --load-extension ext # loads the extensions with the "sqlite3_foo_init" entrpoint datasette data.db --load-extension ext:sqlite3_foo_init # loads the extensions with the "sqlite3_bar_init" entrpoint datasette data.db --load-extension ext:sqlite3_bar_init ``` For testing, I added a small SQLite extension in C at `tests/ext.c`. If compiled, then pytest will run the unit tests in `test_load_extensions.py`to verify that Datasette loads in extensions correctly (and loads the correct entrypoints). Compiling the extension requires a C compiler, I compiled it on my Mac with: ``` gcc ext.c -I path/to/sqlite -fPIC -shared -o ext.dylib ``` Where `path/to/sqlite` is a directory that contains the SQLite amalgamation header files. Re documentation: I added a bit to the help text for `--load-extension` (which I believe should auto-add to documentation?), and the existing extension documentation is spatialite specific. Let me know if a new extensions documentation page would be helpful! | 107914493 | pull | {"url": "https://api.github.com/repos/simonw/datasette/issues/1789/reactions", "total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | 0 |