1 from django.template import Context, loader
2 from mysite.polls.models import Poll
3 from django.http import HttpResponse
4
5 def index(request):
6 #データベースより値を取得
7 latest_poll_list = Poll.objects.all().order_by('-pub_date')[:5]
8
9 #テンプレートをロード
10 t = loader.get_template('polls/index.html')
11 c = Context({
12 'latest_poll_list': latest_poll_list,
13 })
14 #レンダリング→Response
15 return HttpResponse(t.render(c))
16
setting.py
1 # Django settings for sample project.
2
3 DEBUG = True
4 TEMPLATE_DEBUG = DEBUG
5
6 ADMINS = (
7 # ('Your Name', 'your_email@domain.com'),
8 )
9
10 MANAGERS = ADMINS
11
12 DATABASE_ENGINE = 'sqlite3' # 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
13 DATABASE_NAME = 'C:/sqlite/sample1.db' # Or path to database file if using sqlite3.
14 DATABASE_USER = '' # Not used with sqlite3.
setting.py
23 # Language code for this installation. All choices can be found here: 24 # http://www.w3.org/TR/REC-html40/struct/dirlang.html#langcodes 25 # http://blogs.law.harvard.edu/tech/stories/storyReader$15 26 LANGUAGE_CODE = 'ja_JP' 27 28 SITE_ID = 1 29 30 # If you set this to False, Django will make some optimizations so as not 31 # to load the internationalization machinery. 32 USE_I18N = True 33 34 # Absolute path to the directory that holds media. 35 # Example: "/home/media/media.lawrence.com/" 36 MEDIA_ROOT = ''
setting.py
48 SECRET_KEY = 'x9w#-$q4$p9vu3di4k2)g58mk=p*q=@(w76+j03xf22w@e6u1%' 49 50 # List of callables that know how to import templates from various sources. 51 TEMPLATE_LOADERS = ( 52 'django.template.loaders.filesystem.load_template_source', 53 'django.template.loaders.app_directories.load_template_source', 54 # 'django.template.loaders.eggs.load_template_source', 55 ) 56 57 MIDDLEWARE_CLASSES = ( 58 'django.middleware.common.CommonMiddleware', 59 'django.contrib.sessions.middleware.SessionMiddleware', 60 'django.contrib.auth.middleware.AuthenticationMiddleware', 61 'django.middleware.doc.XViewMiddleware', 62 ) 63 64 ROOT_URLCONF = 'sample.urls' 65 66 TEMPLATE_DIRS = ( 67 # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates". 68 # Always use forward slashes, even on Windows. 69 # Don't forget to use absolute paths, not relative paths. 70 ) 71 72 INSTALLED_APPS = ( 73 'django.contrib.auth', 74 'django.contrib.contenttypes', 75 'django.contrib.sessions', 76 'django.contrib.sites', 77 'django.contrib.admin', 78 'sample.wiki' 79 )
これだけしってりゃなんとかなるよ
url.py
1 from django.conf.urls.defaults import *
2
3 urlpatterns = patterns('',
4 (r'^polls/$', 'mysite.polls.views.index'),
5 (r'^polls/(?P<poll_id>\d+)/$', 'mysite.polls.views.detail'),
6 (r'^polls/(?P<poll_id>\d+)/results/$', 'mysite.polls.views.results'),
7 (r'^polls/(?P<poll_id>\d+)/vote/$', 'mysite.polls.views.vote'),
8 )
9
views.py
1 from django.http import HttpResponse
2
3 def index(request):
4 return HttpResponse("Hello, world. You're at the poll index.")
5
6 def detail(request, poll_id):
7 return HttpResponse("You're looking at poll %s." % poll_id)
8
views.py
1 from django.template import Context, loader
2 from mysite.polls.models import Poll
3 from django.http import HttpResponse
4
5 def index(request):
6 latest_poll_list = Poll.objects.all().order_by('-pub_date')[:5]
7 t = loader.get_template('polls/index.html')
8 c = Context({
9 'latest_poll_list': latest_poll_list,
10 })
11 return HttpResponse(t.render(c))
12
ショートカットを使うviews.py
1 from django.shortcuts import render_to_response
2 from mysite.polls.models import Poll
3
4 def index(request):
5 latest_poll_list = Poll.objects.all().order_by('-pub_date')[:5]
6 return render_to_response('polls/index.html',
7 {'latest_poll_list': latest_poll_list})
8
404の場合 views.py
1 from django.http import Http404
2 # ...
3 def detail(request, poll_id):
4 try:
5 p = Poll.objects.get(pk=poll_id)
6 except Poll.DoesNotExist:
7 raise Http404
8 return render_to_response('polls/detail.html', {'poll': p})
9
ショートカットを使うviews.py
1 from django.shortcuts import render_to_response, get_object_or_404
2 # ...
3 def detail(request, poll_id):
4 p = get_object_or_404(Poll, pk=poll_id)
5 return render_to_response('polls/detail.html', {'poll': p})
6
base.py
1 def get_response(self, request): 2 "Returns an HttpResponse object for the given HttpRequest" 3 from django.core import exceptions, urlresolvers 4 from django.core.mail import mail_admins 5 from django.conf import settings 6 7 # Apply request middleware 8 for middleware_method in self._request_middleware: 9 response = middleware_method(request) 10 if response: 11 return response 12 13 # Get urlconf from request object, if available. Otherwise use default. 14 urlconf = getattr(request, "urlconf", settings.ROOT_URLCONF) 15 16 resolver = urlresolvers.RegexURLResolver(r'^/', urlconf)
base.py
17 try: 18 callback, callback_args, callback_kwargs = resolver.resolve(request.path) 19 20 # Apply view middleware 21 for middleware_method in self._view_middleware: 22 response = middleware_method(request, callback, callback_args, callback_kwargs) 23 if response: 24 return response 25 26 try: 27 response = callback(request, *callback_args, **callback_kwargs) 28 except Exception, e: 29 # If the view raised an exception, run it through exception 30 # middleware, and if the exception middleware returns a 31 # response, use that. Otherwise, reraise the exception. 32 for middleware_method in self._exception_middleware:
base.py
33 response = middleware_method(request, e) 34 if response: 35 return response 36 raise 37 38 # Complain if the view returned None (a common error). 39 if response is None: 40 try: 41 view_name = callback.func_name # If it's a function 42 except AttributeError: 43 view_name = callback.__class__.__name__ + '.__call__' # If it's a class 44 raise ValueError, "The view %s.%s didn't return an HttpResponse object." % (callback.__module__, view_name) 45 46 return response 47
1 def create_place(request): 2 manipulator = Place.AddManipulator() 3 4 if request.POST: 5 # If data was POSTed, we're trying to create a new Place. 6 new_data = request.POST.copy() 7 8 # Check for errors. 9 errors = manipulator.get_validation_errors(new_data) 10 11 if not errors: 12 # No errors. This means we can save the data! 13 manipulator.do_html2python(new_data) 14 new_place = manipulator.save(new_data) 15
16 # Redirect to the object's "edit" page. Always use a redirect
17 # after POST data, so that reloads don't accidently create
18 # duplicate entires, and so users don't see the confusing
19 # "Repost POST data?" alert box in their browsers.
20 return HttpResponseRedirect("/places/edit/%i/" % new_place.id)
21 else:
22 # No POST, so we want a brand new form without any data or errors.
23 errors = new_data = {}
24
25 # Create the FormWrapper, template, context, response.
26 form = forms.FormWrapper(manipulator, new_data, errors)
27 return render_to_response('places/create_form.html', {'form': form})
28
1 from django import forms
2 from django.core import validators
3
4 class ContactManipulator(forms.Manipulator):
5 def __init__(self):
6 self.fields = (
7 # ... snip fields as above ...
8 forms.EmailField(field_name="to", validator_list=[self.isValidToAddress])
9 )
10
11 def isValidToAddress(self, field_data, all_data):
12 if not field_data.endswith("@example.com"):
13 raise validators.ValidationError("You can only send messages to example.com e-mail addresses.")
14
1 {% extends "base_generic.html" %}
2
3 {% block title %}{{ section.title }}{% endblock %}
4
5 {% block content %}
6 <h1>{{ section.title }}</h1>
7
8 {% for story in story_list %}
9 <h2>
10 <a href="{{ story.get_absolute_url }}">
11 {{ story.headline|upper }}
12 </a>
13 </h2>
14 <p>{{ story.tease|truncatewords:"100" }}</p>
15 {% endfor %}
16 {% endblock %}
17
Form付きテンプレート
1 {% extends "base.html" %}
2
3 {% block content %}
4 <h1>Create a place:</h1>
5
6 <form method="post" action="../do_new/">
7 <p><label for="id_name">Name:</label> {{ form.name }}</p>
8 <p><label for="id_address">Address:</label> {{ form.address }}</p>
9 <p><label for="id_city">City:</label> {{ form.city }}</p>
10 <p><label for="id_state">State:</label> {{ form.state }}</p>
11 <p><label for="id_zip_code">Zip:</label> {{ form.zip_code }}</p>
12 <p><label for="id_place_type">Place type:</label> {{ form.place_type }}</p>
13 <input type="submit" />
14 </form>
15 {% endblock %}
16
base.html
1 <head>
2 <link rel="stylesheet" href="style.css" />
3 <title>{% block title %}My amazing site{% endblock %}</title>
4 </head>
5 <body>
6 <div id="sidebar">{% block sidebar %}
7 <ul>
8 <li><a href="/">Home</a></li>
9 <li><a href="/blog/">Blog</a></li>
10 </ul>{% endblock %}
11 </div>
12 <div id="content">
13 {% block content %}{% endblock %}
14 </div>
15 </body>
16
child.html
1 {% extends "base.html" %}
2
3 {% block title %}My amazing blog{% endblock %}
4
5 {% block content %}
6 {% for entry in blog_entries %}
7 <h2>{{ entry.title }}</h2>
8 <p>{{ entry.body }}</p>
9 {% endfor %}
10 {% endblock %}
11
レンダリング結果
1 <head> 2 <link rel="stylesheet" href="style.css" /> 3 <title>My amazing blog</title> 4 </head> 5 <body> 6 <div id="sidebar"><ul><li><a href="/">Home</a></li><li><a href="/blog/">Blog</a></li></ul></div> 7 <div id="content"> 8 <h2>Entry one</h2> 9 <p>This is my first entry.</p> 10 <h2>Entry two</h2> 11 <p>This is my second entry.</p> 12 </div> 13 </body> 14
request.session['has_commented'] = True
urls.py
1 from django.conf.urls.defaults import *
2 from django_website.apps.blog.models import Entry
3
4 info_dict = {'queryset': Entry.objects.all(),
5 'date_field': 'pub_date'}
6
7 urlpatterns = patterns('django.views.generic.date_based',
8 (r'^(?P<year>\d{4})/(?P<month>[a-z]{3})/(?P<day>\w{1,2})/(?P<slug>[-\w]+)/$',
9 'object_detail', dict(info_dict, slug_field='slug')),
10 (r'^(?P<year>\d{4})/(?P<month>[a-z]{3})/(?P<day>\w{1,2})/$',
11 'archive_day', info_dict),
12 (r'^(?P<year>\d{4})/(?P<month>[a-z]{3})/$',
13 'archive_month', info_dict),
14 (r'^(?P<year>\d{4})/$', 'archive_year', info_dict),
15 (r'^/?$', 'archive_index', info_dict),
16 )
list_object.py
1 def object_list(request, queryset, paginate_by=None, page=None, 2 allow_empty=False, template_name=None, template_loader=loader, 3 extra_context=None, context_processors=None, template_object_name='object', 4 mimetype=None): 5 """ 6 Generic list of objects. 7 8 Templates: ``<app_label>/<model_name>_list.html`` 9 Context: 10 object_list 11 list of objects 12 is_paginated 13 are the results paginated? 14 results_per_page 15 number of objects per page (if paginated) 16 has_next
list_object.py
17 is there a next page?
18 has_previous
19 is there a prev page?
20 page
21 the current page
22 next
23 the next page
24 previous
25 the previous page
26 pages
27 number of pages, total
28 hits
29 number of objects, total
30 """
31 if extra_context is None: extra_context = {}
32 queryset = queryset._clone()
list_object.py
33 if paginate_by:
34 paginator = ObjectPaginator(queryset, paginate_by)
35 if not page:
36 page = request.GET.get('page', 1)
37 try:
38 page = int(page)
39 object_list = paginator.get_page(page - 1)
40 except (InvalidPage, ValueError):
41 if page == 1 and allow_empty:
42 object_list = []
43 else:
44 raise Http404
45 c = RequestContext(request, {
46 '%s_list' % template_object_name: object_list,
47 'is_paginated': paginator.pages > 1,
48 'results_per_page': paginate_by,
list_object.py
49 'has_next': paginator.has_next_page(page - 1),
50 'has_previous': paginator.has_previous_page(page - 1),
51 'page': page,
52 'next': page + 1,
53 'previous': page - 1,
54 'pages': paginator.pages,
55 'hits' : paginator.hits,
56 }, context_processors)
57 else:
58 c = RequestContext(request, {
59 '%s_list' % template_object_name: queryset,
60 'is_paginated': False
61 }, context_processors)
62 if not allow_empty and len(queryset) == 0:
63 raise Http404
64 for key, value in extra_context.items():
list_object.py
65 if callable(value): 66 c[key] = value() 67 else: 68 c[key] = value 69 if not template_name: 70 model = queryset.model 71 template_name = "%s/%s_list.html" % (model._meta.app_label, model._meta.object_name.lower()) 72 t = template_loader.get_template(template_name) 73 return HttpResponse(t.render(c), mimetype=mimetype) 74
1 >>> cache.set('my_key', 'hello, world!', 30)
2 >>> cache.get('my_key')
3 'hello, world!'
4
db/__init__.py
dispatcher.connect(connection.close, signal=signals.request_finished)
core/handlers/modpython.py
dispatcher.send(signal=signals.request_finished)
1 class SessionMiddleware(object):
2 def process_request(self, request):
3 request.session = SessionWrapper(request.COOKIES.get(settings.SESSION_COOKIE_NAME, None))
4
5 def process_response(self, request, response):
6 # If request.session was modified, or if response.session was set, save
7 # those changes and set a session cookie.
8 patch_vary_headers(response, ('Cookie',))
9 try:
10 modified = request.session.modified
11 except AttributeError:
12 pass
13 else:
14 if modified or settings.SESSION_SAVE_EVERY_REQUEST:
15 session_key = request.session.session_key or Session.objects.get_new_session_key()
16 if settings.SESSION_EXPIRE_AT_BROWSER_CLOSE:
17 max_age = None
18 expires = None
19 else:
20 max_age = settings.SESSION_COOKIE_AGE
21 expires = datetime.datetime.strftime(datetime.datetime.utcnow() + datetime.timedelta(seconds=settings.SESSION_COOKIE_AGE), "%a, %d-%b-%Y %H:%M:%S GMT")
22 new_session = Session.objects.save(session_key, request.session._session,
23 datetime.datetime.now() + datetime.timedelta(seconds=settings.SESSION_COOKIE_AGE))
24 response.set_cookie(settings.SESSION_COOKIE_NAME, session_key,
25 max_age=max_age, expires=expires, domain=settings.SESSION_COOKIE_DOMAIN,
26 secure=settings.SESSION_COOKIE_SECURE or None)
27 return response
1 def user_passes_test(test_func, login_url=LOGIN_URL):
2 """
3 Decorator for views that checks that the user passes the given test,
4 redirecting to the log-in page if necessary. The test should be a callable
5 that takes the user object and returns True if the user passes.
6 """
7 def _dec(view_func):
8 def _checklogin(request, *args, **kwargs):
9 if test_func(request.user):
10 return view_func(request, *args, **kwargs)
11 return HttpResponseRedirect('%s?%s=%s' % (login_url, REDIRECT_FIELD_NAME, quote(request.get_full_path())))
12 _checklogin.__doc__ = view_func.__doc__
13 _checklogin.__dict__ = view_func.__dict__
14
15 return _checklogin
16 return _dec
17