Add DictDemo to example app

Author: insspb

example_app/app.py

@@ -5,6 +5,7 @@
 from example_app import views
 from example_app.boolean_demo import boolean_demo_view
 from example_app.dates_demo import dates_demo_view
+from example_app.dict_demo import dict_demo_view
 from example_app.models import db
 from example_app.numbers_demo import numbers_demo_view
 from example_app.strings_demo import strings_demo_view
@@ -52,6 +53,8 @@
 app.add_url_rule("/dates/<pk>/", view_func=dates_demo_view, methods=["GET", "POST"])
 app.add_url_rule("/bool", view_func=boolean_demo_view, methods=["GET", "POST"])
 app.add_url_rule("/bool/<pk>/", view_func=boolean_demo_view, methods=["GET", "POST"])
+app.add_url_rule("/dict", view_func=dict_demo_view, methods=["GET", "POST"])
+app.add_url_rule("/dict/<pk>/", view_func=dict_demo_view, methods=["GET", "POST"])
 
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=8000)

example_app/dict_demo.py

@@ -0,0 +1,34 @@
+"""Dict fields demo model."""
+
+from example_app.models import db
+
+
+def get_default_dict():
+    """Example of default dict specification."""
+    return {"alpha": 1, "text": "text", "float": 1.2}
+
+
+class DictDemoModel(db.Document):
+    """Documentation example model."""
+
+    string = db.StringField(verbose_name="str")
+    dict_field = db.DictField()
+    no_dict_field = db.DictField(default=None)
+    null_dict_field = db.DictField(default=None, null=True)
+    dict_default = db.DictField(default=get_default_dict)
+    null_dict_default = db.DictField(default=get_default_dict, null=True)
+    no_dict_prefilled = db.DictField(
+        default=None,
+        null=False,
+        wtf_options={"default": get_default_dict, "null": True},
+    )
+
+
+DictDemoForm = DictDemoModel.to_wtf_form()
+
+
+def dict_demo_view(pk=None):
+    """Return all fields demonstration."""
+    from example_app.views import demo_view
+
+    return demo_view(model=DictDemoModel, view_name=dict_demo_view.__name__, pk=pk)

example_app/templates/layout.html

@@ -22,6 +22,7 @@
     <li><a href="{{ url_for("numbers_demo_view") }}">Numbers demo</a></li>
     <li><a href="{{ url_for("dates_demo_view") }}">DateTime demo</a></li>
     <li><a href="{{ url_for("boolean_demo_view") }}">Booleans demo</a></li>
+    <li><a href="{{ url_for("dict_demo_view") }}">Dict/Json demo</a></li>
   </ul>
 </nav>
 <div>

example_app/views.py

@@ -6,6 +6,7 @@
 from example_app import models
 from example_app.boolean_demo import BooleanDemoModel
 from example_app.dates_demo import DateTimeModel
+from example_app.dict_demo import DictDemoModel
 from example_app.numbers_demo import NumbersDemoModel
 from example_app.strings_demo import StringsDemoModel
 
@@ -53,6 +54,7 @@ def delete_data():
         models.Todo.objects().delete()
         BooleanDemoModel.objects().delete()
         DateTimeModel.objects().delete()
+        DictDemoModel.objects().delete()
         StringsDemoModel.objects().delete()
         NumbersDemoModel.objects().delete()
     with switch_db(models.Todo, "secondary"):
@@ -96,6 +98,7 @@ def demo_view(model, view_name, pk=None):
 
     if request.method == "POST" and form.validate_on_submit():
         form.save()
+        # form = FormClass(obj=form.instance)
     page_num = int(request.args.get("page") or 1)
     page = model.objects.paginate(page=page_num, per_page=100)