misc: find webservice calls used in computed fields when scanning (#76466)

tests/api/test_export_import.py

@@ -19,7 +19,7 @@ from wcs.categories import (
 )
 from wcs.comment_templates import CommentTemplate
 from wcs.data_sources import NamedDataSource
-from wcs.fields import BlockField, CommentField, PageField, StringField
+from wcs.fields import BlockField, CommentField, ComputedField, PageField, StringField
 from wcs.formdef import FormDef
 from wcs.mail_templates import MailTemplate
 from wcs.wf.form import WorkflowFormFieldsFormDef
@@ -138,6 +138,8 @@ def test_export_import_dependencies(pub):
     wscall.store()
     wscall = NamedWsCall(name='Test sexies')
     wscall.store()
+    wscall = NamedWsCall(name='Test in computed field')
+    wscall.store()
 
     carddef = CardDef()
     carddef.name = 'Test'
@@ -291,6 +293,12 @@ def test_export_import_dependencies(pub):
             label='X {{ webservice.test }} X {{ cards|objects:"test" }} X {{ forms|objects:"test-ter" }} X',
             type='comment',
         ),
+        ComputedField(
+            id='3',
+            label='computed field',
+            varname='computed_field',
+            value_template='{{ webservice.test_in_computed_field.xxx }}',
+        ),
     ]
     formdef.workflow = workflow
     formdef.store()
@@ -304,6 +312,7 @@ def test_export_import_dependencies(pub):
         ('test', 'wscalls'),
         ('test_quater', 'wscalls'),
         ('test_quinquies', 'wscalls'),
+        ('test_in_computed_field', 'wscalls'),
         ('test', 'cards'),
         ('test-bis', 'cards'),
         ('test-bis', 'forms'),

wcs/fields.py

@@ -4134,6 +4134,10 @@ class ComputedField(Field):
     def get_real_data_source(self):
         return data_sources.get_real(self.data_source)
 
+    def get_dependencies(self):
+        yield from super().get_dependencies()
+        yield from check_wscalls(self.value_template)
+
 
 register_field_class(ComputedField)