feat(uti): Dash demo

[csit.git] / resources / tools / dash / app / pal / __init__.py

diff --git a/resources/tools/dash/app/pal/__init__.py b/resources/tools/dash/app/pal/__init__.py
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+++ b/resources/tools/dash/app/pal/__init__.py
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+# Copyright (c) 2022 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Initialize Flask app."""
+from flask import Flask
+from flask_assets import Environment
+
+
+def init_app():
+    """Construct core Flask application with embedded Dash app."""
+    app = Flask(__name__, instance_relative_config=False)
+    app.config.from_object("config.Config")
+    assets = Environment()
+    assets.init_app(app)
+
+    with app.app_context():
+        # Import parts of our core Flask app.
+        from . import routes
+        from .assets import compile_static_assets
+
+        # Import Trending Dash application.
+        from .trending.dashboard import init_dashboard
+
+        app = init_dashboard(app)
+
+        # Compile static assets.
+        compile_static_assets(assets)
+
+        return app