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example of integrating mongoengine with flask
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| {% for cat,msg in get_flashed_messages(with_categories=true) %} | |
| <div class="alert alert-dissmissable alert-{{ cat }}" id="alert-{{ loop.index }}"> | |
| <span id="close-alert-{{ loop.index }}" class=close>x</span> | |
| {{ msg }} | |
| </div> | |
| <script> | |
| var alert = document.getElementById('alert-{{ loop.index }}'), | |
| closeBtn = document.getElementById('close-alert-{{ loop.index }}'); | |
| closeBtn.onClick = function(){ | |
| alert.remove(); | |
| }; | |
| setTimeout(function(){ | |
| alert.remove(); | |
| },1500) | |
| </script> | |
| {% endfor %} |
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| from flask import Flask,render_template,request,redirect,flash,url_for | |
| from flask.views import MethodView | |
| from mongoengine import ( | |
| StringField,ListField,EmbeddedDocumentField,IntField,DictField, | |
| Document,DynamicDocument,EmbeddedDocument,ReferenceField, | |
| GenericReferenceField,DateTimeField,connect | |
| ) | |
| from wtforms import Form,fields,validators | |
| from datetime import datetime | |
| now = lambda: datetime.now() | |
| connection = connect('dev2') | |
| class Post(DynamicDocument): | |
| title = StringField(max_length=255) | |
| content = StringField(max_length=255) | |
| date = DateTimeField() | |
| author = StringField(max_length=255) | |
| def get_app(cfg): | |
| app = Flask(__name__,template_folder='.') | |
| app.config.from_object(cfg) | |
| return app | |
| class PostForm(Form): | |
| title = fields.StringField('title',validators=[validators.Required()]) | |
| content = fields.TextAreaField() | |
| date = fields.HiddenField(default=now()) | |
| author = fields.StringField('name') | |
| class BaseView(object): | |
| def _generate_post(self): | |
| form = PostForm(request.form) | |
| title = form.title.data | |
| date = form.date.data | |
| content = form.content.data | |
| author = form.author.data | |
| post = Post(content=content,title=title,date=date,author=author).save() | |
| flash('Thanks for Adding a new message','warning') | |
| return post | |
| class IndexView(BaseView,MethodView): | |
| def get(self): | |
| form = PostForm() | |
| messages = Post.objects.all() | |
| return render_template('index.html',messages=messages,form=form) | |
| def post(self): | |
| self._generate_post() | |
| return redirect('/') | |
| class DeleteView(MethodView): | |
| def get(self,post_id): | |
| post = Post.objects.get(id=post_id) | |
| title = post.title | |
| post.delete() | |
| flash('Deleted message: {}'.format(title),'danger') | |
| return redirect('/') | |
| if __name__ == "__main__": | |
| class Cfg(object): | |
| SECRET_KEY = 'ccc' | |
| app = get_app(Cfg()) | |
| app.add_url_rule('/','index',view_func=IndexView.as_view('index')) | |
| app.add_url_rule('/remove/<post_id>','remove',view_func=DeleteView.as_view('remove')) | |
| app.run(host='0.0.0.0',port=8080,debug=True) |
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| <html> | |
| <head> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css"> | |
| </head> | |
| <body> | |
| <div class=container> | |
| <div class=row> | |
| <div class=col-md-12> | |
| {% include 'alert.html' with context %} | |
| {% block body %} | |
| {% endblock %} | |
| </div> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |
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| {% extends 'base.html' %} | |
| {% block body %} | |
| {% if form %} | |
| {% include 'post_form.html' with context %} | |
| {% endif %} | |
| {% include 'posts.html' with context %} | |
| {% endblock %} |
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| <form method=post action=""> | |
| {{ form.date() }} | |
| <fieldset> | |
| <legend>Add A Post</legend> | |
| <div class=row> | |
| <div class=col-md-6> | |
| <div class=form-group> | |
| <label>Author</label> | |
| {{ form.author(class_='form-control') }} | |
| </div> | |
| </div> | |
| <div class=col-md-6> | |
| <div class=form-group> | |
| <label>Title</label> | |
| {{ form.title(class_='form-control') }} | |
| </div> | |
| </div> | |
| </div> | |
| <div class=form-group> | |
| {{ form.content(class_='form-control') }} | |
| </div> | |
| <input class="btn btn-primary btn-block" type=submit value="add" /> | |
| </fieldset> | |
| </form> |
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| {% macro post(msg,side_class) %} | |
| <div class="pull-{{ side_class }} col-md-8 post"> | |
| <div class="well well-sm"> | |
| <a href="/remove/{{ msg.id }}"> | |
| <span class=close> | |
| X | |
| </span> | |
| </a> | |
| <p>by: {{ msg.author }}. on {{ msg.date }}</p> | |
| <p class=lead>{{ msg.title }}</p> | |
| <p>{{ msg.content }}</p> | |
| </div> | |
| </div> | |
| {% endmacro %} | |
| {% if messages %} | |
| <div class=row> | |
| {% for msg in messages %} | |
| {{ post(msg,loop.cycle('left','right')) }} | |
| {% endfor %} | |
| </div> | |
| {% else %} | |
| <p>No messages have been left yet</p>\ | |
| {% endif %} |
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there has been a lot of questions about if its necessary to use flask extensions to integrate third party library's into flask apps, but that is not the case. Here is a version of the flaskr example using wtforms and mongoengine without any flask specific extensions.