a39db2d3dc
* If we use the built-in YAQL function 'str' in a workflow then it doesn't represent lists as '[item1, item3, ...]' but instead creates '(item1, item2,...). This is because the standard YAQL function 'yaql_utils.convert_input_data', which is needed to convert a initial user data into an internal YAQL format, converts all sequences (except strings) into tuples. This patch overrides this behavior for sequences that are not strings and tuples so that they now get converted into lists. YAQL uses tuples because it needs to obtain a safe immutable structure to make calculations upon. But in Mistral list is more suitable because lots of users care about string representations. Immutability is not so important because Mistral code base guarantees that the initial data context for an expression won't be changed while an expression is being evaluated by YAQL. * "str" YAQL function used to work well but it was broken in https://review.openstack.org/#/c/477816/ that added additional context preparation in order to fix the issue https://bugs.launchpad.net/mistral/+bug/1772864 Change-Id: I69d32f8772418d586d6c414842bb54aada217481 Closes-Bug: #1815710 |
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