Flask


&

Django


                                            dominik.wronski@gmail.com



O czym nie bedzie dzisiejsze wystapienie:

 

rekrutacja




Django:

"The Web framework for perfectionists with deadlines"


  •  spójne, calosciowe rozwiazanie
  •  swietna dokumentacja
  •  aktywna spolecznosc

         "Flask is a microframework for Python
         based on Werkzeug, Jinja 2
         and good intentions."

from flask import Flask

app = Flask(__name__)
@app.route('/')
def index():
    return "Hello, World!"

if name = "__main__":
app.run()


<title>{% block title %}{% endblock %}</title>
<ul>

 {% for user in users %}
<li><a
href="{{ user.url }}">
{{ user.username }}
</a></li>
{%
endfor %}
</ul>

class Person(models.Model):
    first_name = models.CharField(max_length=30)
    last_name = models.CharField(max_length=30) 
from sqlalchemy import Column, Integer, String 

class Person(Base):
__tablename__ = 'persons'
id = Column(Integer, primary_key=True)
first_name = Column(String(30))
last_name = Column(String(30))
from sqlalchemy.sql import extract

entries_a_month = Entry.query.filter(
    (extract(Entry.pub_date, 'year') == 2011) &
    (extract(Entry.pub_date, 'month') == 1)
).all() 



ActiveRecord

vs

Unity of Work

Urls

from django.conf.urls import patterns, url

urlpatterns = patterns('',
    url(r'^articles/(\d{4})/$', 'news.views.year_archive'),
    url(r'^articles/(\d{4})/(\d{2})/$',  
'news.views.month_archive'), url(r'^articles/(\d{4})/(\d{2})/(\d+)/$',
'news.views.article_detail'), )

www.our_domain.com/articles/2003/03/03/

Urls

from flask import request

@app.route('/todo/api/v1.0/tasks', methods = ['POST'])
def create_task():
    if not request.json or not 'title' in request.json:
        abort(400)
    task = {
        'id': tasks[-1]['id'] + 1,
        'title': request.json['title'],
        'description': request.json.get('description', ""),
        'done': False
    }
    tasks.append(task)
    return jsonify( { 'task': task } ), 201




Podsumowujac

                       Django:

  • swietny jesli chcesz co mieć szybko
  • niektóre elementy skladni sa $%#
  • dojrzaly framework
  • wszystko w pakiecie


                       Flask:

  • swietny do pisania backendu
  • przyjemniejsza skladnia
  • "zeby dobrze wybrac trzeba                  
    warto rozumiec co robimy"


Flask & Django - web development

By Dominik Wronski

Flask & Django - web development

Presentation made for infoMEET 8 Feb 2014 Wroclaw

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