DS14

Pipfile

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+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+flask = "*"
+
+[requires]
+python_version = "3.7"

hello.py

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+from flask import Flask
+app = Flask(__name__)
+
+@app.route("/")
+def hello():
+    return "Hello World!"

web_app/__init__.py

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+# what init is for
+# entry point into a specifiy directory 
+# first place python will look for files
+from flask import Flask
+
+from web_app.routes.home_routes import home_routes
+#from web_app.routes.book_routes import book_routes
+
+# application factory pattern
+def create_app():
+    app = Flask(__name__)
+    app.register_blueprint(home_routes)
+    #app.register_blueprint(book_routes)
+    return app
+
+if __name__ == "__main__":
+    my_app = create_app()
+    my_app.run(debug=True)

web_app/routes/home_routes.py

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+from flask import Blueprint
+
+home_routes = Blueprint("home_routes", __name__)
+
+@home_routes.route("/")
+def index():
+    x = 2 + 2
+    return f"Hello World! {x}"
+
+@home_routes.route("/about")
+def about():
+    return "About me"