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Alex Hall c5ebd7db3d (core) Add PEEK() function to bypass circular dependencies ... Summary: Adds a Python function `PEEK()` for use in formulas which temporarily sets a new attribute `Engine._peeking` which disables the `_use_node` method, preventing dependency tracking and allowing the given expression to use outdated values. This allows circumventing circular reference errors. It's particularly meant for trigger formulas although it works in normal formulas as well. The expression is wrapped in a `lambda` by `codebuilder` for lazy evaluation. Discussion: https://grist.slack.com/archives/C0234CPPXPA/p1653571024031359 Test Plan: Added a Python unit test for circular trigger formulas using PEEK. Reviewers: dsagal Reviewed By: dsagal Subscribers: paulfitz Differential Revision: https://phab.getgrist.com/D3453		2 years ago
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__init__.py	(core) Simple Python 3 compatibility changes	3 years ago
date.py	(core) Update the current time in formulas automatically every hour	2 years ago
info.py	(core) Add PEEK() function to bypass circular dependencies	2 years ago
logical.py	(core) Simple Python 3 compatibility changes	3 years ago
lookup.py	(core) A few tiny documentation tweaks.	3 years ago
math.py	Tweaks to documentation comments for user-facing Grist functions (#126)	3 years ago
schedule.py	(core) New type conversion in the backend	3 years ago
stats.py	(core) Simple Python 3 compatibility changes	3 years ago
test_schedule.py	(core) Simple Python 3 compatibility changes	3 years ago
text.py	Tweaks to documentation comments for user-facing Grist functions (#126)	3 years ago
unimplemented.py	(core) Improve suggestions for formula autocomplete	4 years ago