only parse variable when value is not null

opengisch · Dec 7, 2022 · 9d19830 · 9d19830
1 parent 4b14ffa
commit 9d19830
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diff --git a/README.md b/README.md
@@ -170,7 +170,7 @@ export_settings.variables = ["first_variable", "Another_Variable"]
 
 Set the names of layouts that should be considered (exported as template files) as a list:
 ```py
-export_settings.variables = ["Layout One", "Layout Three"]
+export_settings.layouts = ["Layout One", "Layout Three"]
 ```
 
 ### Generate the Files for a `ProjectTopping` containing `ExportSetting`

diff --git a/toppingmaker/projecttopping.py b/toppingmaker/projecttopping.py
@@ -419,9 +419,11 @@ def make_items(
         ):
             self.clear()
             for variable_key in export_settings.variables:
-                self[variable_key] = QgsExpressionContextUtils.projectScope(
+                variable_value = QgsExpressionContextUtils.projectScope(
                     project
                 ).variable(variable_key)
+                if variable_value:
+                    self[variable_key] = variable_value
 
     class Layouts(dict):
         """