Merge pull request #3 from pawl/add_example

add flask example
wtforms · Mar 26, 2016 · a3056a2 · a3056a2
2 parents cf1c2f6 + ad95031
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diff --git a/examples/flask/README.rst b/examples/flask/README.rst
@@ -0,0 +1,21 @@
+WTForms-SQLAlchemy + Flask examples.
+
+To run this example:
+
+1. Clone the repository::
+
+    git clone https://github.com/wtforms/wtforms-sqlalchemy.git
+    cd wtforms-sqlalchemy
+
+2. Create and activate a virtual environment::
+
+    virtualenv env
+    source env/bin/activate
+
+3. Install requirements::
+
+    pip install -r 'examples/flask/requirements.txt'
+
+4. Run the application::
+
+    python examples/flask/basic.py
diff --git a/examples/flask/basic.py b/examples/flask/basic.py
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+from flask import Flask, request, render_template
+from flask_sqlalchemy import SQLAlchemy
+
+from wtforms_sqlalchemy.orm import model_form
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///sample_db.sqlite'
+app.config['SQLALCHEMY_ECHO'] = True
+
+db = SQLAlchemy(app)
+
+
+class Car(db.Model):
+    __tablename__ = 'cars'
+    id = db.Column(db.Integer, primary_key=True)
+    make = db.Column(db.String(50))
+    model = db.Column(db.String(50))
+
+    def __unicode__(self):
+        return self.name
+
+
+CarForm = model_form(Car)
+
+
+@app.route('/', methods=['GET', 'POST'])
+def create_car():
+    car = Car()
+    success = False
+
+    if request.method == 'POST':
+        form = CarForm(request.form, obj=car)
+        if form.validate():
+            form.populate_obj(car)
+            db.session.add(car)
+            db.session.commit()
+            success = True
+    else:
+        form = CarForm(obj=car)
+
+    return render_template('create.html', form=form, success=success)
+
+
+if __name__ == '__main__':
+    db.create_all()
+
+    app.run(debug=True)
diff --git a/examples/flask/templates/create.html b/examples/flask/templates/create.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8">
+    <title>Create Form</title>
+  </head>
+  <body>
+    {% block body %}
+      {% if success %}<p>Saved Successfully!</p>{% endif %}
+      <form method="post" action="">
+        {% for field in form %}
+          <p>{{ field.label }} {{ field }}</p>
+        {% endfor %}
+        <p><button type="submit">Submit</button></p>
+      </form>
+    {% endblock %}
+  </body>
+</html>