[pkg] Depend on Pillow instead of PIL The Pillow library is becoming the de-facto replacement for PIL. It also is way simpler to install with pip than PIL. Closes #4411354.

Added tag cubicweb-version-3.19.4, cubicweb-debian-version-3.19.4-1, cubicweb-centos-version-3.19.4-1 for changeset c4e740e50fc7

[pkg] 3.19.4

merge 3.18.6 into 3.19

Added tag cubicweb-version-3.18.6, cubicweb-debian-version-3.18.6-1, cubicweb-centos-version-3.18.6-1 for changeset d91501356742

[pkg] 3.18.6

[hooks/security] allow edition of attributes with permissive permissions If an attribute has more permissive security rules than the entity type itself, we should be green and not deny action because of an early global entity permission check (with the more restrictive rules). Only if one attribute with the entity-level permission rules is edited will the global check be performed. Note: * the "if action == 'delete'" check at the entry of check_entity_attributes is a guard for a condition currently not happening in cubicweb itself (but application hooks could conceivably call this function with a 'delete' action) Closes #3489895.

Almost backout afcd46716d6a which breaks _select_best raising an ambiguity exception in debug mode. The problem is, before afcd4, *tests* ran in debug mode and we want this (e.g. we want to show, rather than swallow, select ambigüities). We juste replace the bogus __init__(vreg.config) by __init__(True), which is practically equivalent and also much more clear.

[server] fix anonymous_user predicate in tests devtools' TestServerConfiguration overrides the anonymous_user method, but not the anonymous-user config option, so testing for the latter would give the wrong result. Closes #3996664.

[entities] cw_rest_attr_info() should only consider required attributes (closes #3766717) This prevents CW from choosing unique but non-required attributes. None/NULL is a poor choice for RESTful URIs.

[views] csvexport accept an empty rset (closes #4236928) When you tried to apply the 'csvexport' view on an empty rset, the view couldn't be selected and you got a HTTP 500 error. Also add two new test cases.

[views] Display attributes in entity creation form based on "add" permission Previously, the "update" permission was used. Hence in case the latter is more restrictive that the "add" permission, an user may not be able to set such an attribute, despite she may have "add" permission on it. As a result of the change of permissions action in `editable_attributes` method (add/update depending on whether the entity is being created or modified), the "eid" attribute would have shown up in the edition form. To avoid this, it is moved in the "hidden" section (where it should arguably belong anyways). Closes #4342844.

[datafeed] Commit after all deletions in datafeed parser This avoids misleading validation error because schema constraints could be temporarily broken depending on the deletion order. Closes #4372127.

[schema] CWComputedRType is a schema type Hide it from the default views.

[doc] proofreading CWEP002 section

[CWEP002] document computed relations and attributes Related to #3546717.

[CWEP002 migration] support sync_schema_props_perms for computed attribute

[CWEP002 migration] support drop_relation_type/drop_relation_definition/drop_attribute for computed attributes

[CWEP002 migration] support add_relation_type/add_attribute for computed attributes Related to #3546717.

[CWEP002] properly handle serialization of computed attributes Until this cset, only serialization of computed attribute's formula was handled (thanks to the relation definition's properties dict). We now: * properly serialize/deserialize attribute's formula * test first if the database has been migrated and contains related column or not Related to #3546717

[CWEP002] Add support for computed attribute synchronization Related to #3546717. Test and handle the behaviour with several formulas and identified use cases. To do so add a birth year and a computed attribute age to Person in the test schema.

[CWEP002] Add schema finalization checks for computed attributes ``finalize_computed_attributes`` essentially checks that computed attributes types match with the type declaration of the attribute. Related to #3546717.

[CWEP002] Account for attribute formula in schema bootstrap This isn't enough to have computed attribute support, it is only in order not to crash when yams 0.40 is used. Related to #3546717.

[CWEP002 migration] support sync_schema_props_perms for computed relations

[CWEP002 migration] support add_relation_type for computed relations Related to #3546717.

[CWEP002 migration] support drop_relation_type for computed relations Related to #3546717.

[CWEP002 migration] properly raise exception on (add|drop)_relation_definition for computed relation Related to #3546717

[hooks] do not abuse of inheritance for CWRType hooks Just copy the selector to ease readability.

[schema serial] add some comments

[schema] define full_rql on RQLExpression class without it, we may have an error while displaying error which occured during some expression initialization because this attribute is not yet defined while used in the __str__ method.