Validate XLS rows count before exporting. #612
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CHANGELOG.txt
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| # Prevent an error when reaching 65535 rows during an .XLS file export, which is a hard limit defined by the .XLS | ||
| format specs. Display a clear error message prior to the export. |
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In the changelog, I try to write sentences with more literal style, something like "The export for .XLS file now displays an error when...".
creme/creme_core/backends/base.py
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| def validate(self, **kwargs): | ||
| pass |
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Maybe should we add a doc-string with classical "keys" (how to know if we should use "count", "total", "total_count" or "total_number" ?
Or add keywords only arguments with default values like def validate(self, *, total_count=None): (which would be IDE friendly).
I prefer the second solution.
| from ...backends import export_backend_registry | ||
| from ...backends.base import ExportBackend | ||
| from ...core.exceptions import ConflictError |
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I try to avoid ... in the code base (I use only . & ..).
| self.assertIsNone(export_backend_registry.get_backend_class(TestExportBackend.id)) | ||
| export_backend_registry._backend_classes[TestExportBackend.id] = TestExportBackend | ||
| response = self.assertGET409(self._build_contact_dl_url(doc_type=TestExportBackend.id)) | ||
| self.assertContains(response, 'TestExportBackend.validate fail', status_code=409) | ||
| export_backend_registry._backend_classes = None |
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It would be more straightforward to copy the original _backend_classes value & restore the value in a finally block.
A better solution would be to store the registry in an attribute of the class view, to set our own registry in setupClass() & restore the original one in tearDownClass().
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…g when you change password for another user).
… latest focused item obviously not reset it on frame update
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Prevent an error when reaching 65535 rows during an .XLS file export, which is a hard limit defined by the .XLS format specs.
Display a clear error message prior to the export, returning an http 409 error code.