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Dmitry edited this page Dec 7, 2018 · 3 revisions

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Create and activate virtualenv

apt-get install python3-venv
python3 -m venv venv

If you get this error.

The virtual environment was not created successfully because ensurepip is not available.

sudo apt-get install python3-pip
python3 -m venv myvenv --without-pip --system-site-packages

If you get this error.

locale.Error: unsupported locale setting.

dpkg-reconfigure locales

Then select ru and us UTF-8.

Requirements

Django

Installation

django-admin startproject pizza
cd pizza
./manage.py startapp shop
./manage.py migrate

Create command of loading users

mkdir shop/managements
mkdir shop/managements/commands
touch shop/managements/__init__.py; touch shop/managements/commands/__init__.py

Skeleton

from django.core.management.base import BaseCommand
from django.utils import timezone

class Command(BaseCommand):
	help = 'Displays current time'

	def handle(self, *args, **kwargs):
	    time = timezone.now().strftime('%X')
	    self.stdout.write("It's now %s" % time)	
	    
			
from django.contrib.auth.models import User

class Command(BaseCommand):

	def handle(self, *args, **kwargs):
	    print('Поехали')
	    for i in range(10):
	        u = User()
	        u.is_superuser = True
	        u.is_active = True
	        u.is_staff = True
	        u.set_password('123')
	        u.username = 'admin%s' % i
	        u.save()
	        print('Creating %s' % i)
	    print('Done')

Local bootstrap

nmp install bootstrap	
mkdir static	    
cd static
ln -s ../node_modules/bootstrap/dist bootstrap

Add template dir

cd ..
mkdir templates

main template templates/layout.html

{% load staticfiles %}
<!DOCTYPE html>
<html lang="en" >
<head>
	<meta charset="utf-8" />
	<title>{% block title %}Hello{% endblock %}</title>
	<link href="{% static 'bootstrap/css/bootstrap.min.css' %}" rel="stylesheet" type="text/css"/>
	<script src="{% static 'prj.js' %}"></script>
</head>
<body>
	<header>
	    <div class="navbar navbar-dark bg-dark shadow-sm">
	      <div class="container d-flex justify-content-between">
	        <a href="#" class="navbar-brand d-flex align-items-center">
	          <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"></path><circle cx="12" cy="13" r="4"></circle></svg>
	          <strong>Album</strong>
	        </a>
	        {% block header %}{% endblock %}
	      </div>
	    </div>
	  </header>
  
	  <main role="main">
  
	   
  
	    <div class="album py-5 bg-light">
	      <div class="container">
	        {% block content %}{% endblock %}
	      </div>
	    </div>
  
	  </main>
  
	  <footer class="text-muted">
	    <div class="container">
	        {% block footer %}{% endblock %}
	    </div>
	  </footer>
</html>

Add template dir into settings.py

TEMPLATES = [
	{
	    'BACKEND': 'django.template.backends.django.DjangoTemplates',
	    'DIRS': [os.path.join(BASE_DIR, 'templates')],
	    ...
]

Home page

URL

from shop.views import home

urlpatterns = [
	path('', home, name='home'),		    
...

View

def home(request):
	return render(request,'shop/home.html')

django-extensions

echo 'django-extensions' >> ../requirements.txt
echo 'werkzeug' >> ../requirements.txt
pip install -r ../requirements.txt
	    
	    
INSTALLED_APPS = [
	...
	'django_extensions'
]		    
	    
	    
./manage.py runserver_plus

Home template templates/shop/home.html

mkdir templates/shop



{% extends 'layout.html' %}

{% block header %}
	<h1>Home page</h1>
{% endblock %}

{% block content %}
	<h1>Hello world</h1>
	<div class="row">
	    <div class="col-md-4">
	      <div class="card mb-4 shadow-sm">
	        
	        <div class="card-body">
	          <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
	          <div class="d-flex justify-content-between align-items-center">
	            <div class="btn-group">
	              <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
	              <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
	            </div>
	            <small class="text-muted">9 mins</small>
	          </div>
	        </div>
	      </div>
	    </div>
	    <div class="col-md-4">
	      <div class="card mb-4 shadow-sm">
	       
	        <div class="card-body">
	          <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
	          <div class="d-flex justify-content-between align-items-center">
	            <div class="btn-group">
	              <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
	              <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
	            </div>
	            <small class="text-muted">9 mins</small>
	          </div>
	        </div>
	      </div>
	    </div>
	    <div class="col-md-4">
	      <div class="card mb-4 shadow-sm">
	       
	        <div class="card-body">
	          <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
	          <div class="d-flex justify-content-between align-items-center">
	            <div class="btn-group">
	              <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
	              <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
	            </div>
	            <small class="text-muted">9 mins</small>
	          </div>
	        </div>
	      </div>
	    </div>
	  </div>

{% endblock %}

{% block footer %}

This is footer

{% endblock %}

Static serving (setting.py)

STATICFILES_DIRS = [
	os.path.join(BASE_DIR, "static")
]

Manual autorization

Form

        {% if user.is_authenticated %}
                <ul class="navbar-nav ">
                <li class="nav-item active">
                  <a class="nav-link" href="{% url 'logout' %}">Logout</a>
                </li>
              </ul>
            
        {% else %}
        <form action="{% url 'login' %}" method="POST" class="form-inline mt-2 mt-md-0">
                {% csrf_token %}
                <input class="form-control mr-sm-2" type="text" name="login" placeholder="Login" aria-label="Search">
                <input class="form-control mr-sm-2" type="text" name="password" placeholder="Password" aria-label="Search">
                <button class="btn btn-outline-success my-2 my-sm-0" type="submit">SignIn</button>
        </form>
        {% endif %}

Manual Autentication

URL

path('login', login, name='login'),
path('logout', logoutme, name='logout'),

View

from django.contrib.auth.models import User
from django.contrib.auth import authenticate, login as l

def login(request):
	username = request.POST['login']
	password = request.POST['password']
	user = authenticate(request, username=username, password=password)
	if user is not None:
	    l(request, user)
	    return redirect('home')
	else:
	    return redirect('home')

def logoutme(request):
	logout(request)
	return redirect('home')

Messages

from django.contrib import messages		

def login(request):
	...
	if user is not None:
	    l(request, user)
	    return redirect('home')
	else:
	    messages.error(request, 'Error!!!!')
	    return redirect('home')

Template

 {% if messages %}

    {% for message in messages %}
    <div class="alert alert-danger" role="alert">
            {{ message }}
    </div>
    {% endfor %}

{% endif %}

Styles

class="alert alert-{{ message.tags }}"

	 
from django.contrib import messages
MESSAGE_TAGS = {
	messages.ERROR: 'danger',
}

Manual registration

URL

path('registration', registration, name='registration'),

Form

<form action="{% url 'registration' %}" method="POST">
		{% csrf_token %}
	    <div class="form-group">
	      <label for="exampleInputEmail1">Username</label>
	      {{ form.username }}
	      <small id="emailHelp" class="form-text text-muted">We'll never share your email with anyone else.</small>
	    </div>
	    <div class="form-group">
	      <label for="exampleInputPassword1">Email</label>
	      {{ form.email }}
	    </div>
	    <div class="form-group">
	      <label for="exampleInputPassword1">Password</label>
	      {{ form.password }}
	      
	    </div>
	    <button type="submit" class="btn btn-primary">Submit</button>
</form>

View

def registration(request):
 if request.method == 'POST':
	# create a form instance and populate it with data from the request:
	form = RegForm(request.POST)
	# check whether it's valid:
	if form.is_valid():  
	    username = form.cleaned_data['username']
	    messages.success(request, 'Bingo %s !!!' % username)
	    return redirect('home')
	# if a GET (or any other method) we'll create a blank form
	else:
	    form = NameForm()

Form

from django import forms

class RegForm(forms.Form):
    username = forms.CharField( label='Username', 
                                max_length=100,
                                widget= forms.TextInput(
                                    attrs={'class':'form-control'}
                                ))
    email = forms.EmailField(widget= forms.TextInput(
                                    attrs={'class':'form-control'}
                                ))
    password = forms.CharField(label='Password',widget=forms.PasswordInput(attrs={'class':'form-control'}))

Show current git branch

pip install gitpython

shop_class.py

from git import Repo

def shop_processor(request):
    shop = Shop()         
    repo = Repo('.')
    branch_name = repo.active_branch.name  
    return {'shop': shop, 'branch_name': branch_name}

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