def thumbnail(id, width, height, ext):
key = db.Key(id)
picture = Picture.get(key)
img = images.Image(picture.data)
if width != '0':
w = int(width)
else:
w = img.width
if height != '0':
h = int(height)
else:
h = img.height
if img.height > h and h != 0:
w = (int(width) * img.width) / img.height
if img.width > w:
h = (int(height) * img.height) / img.width
thumb = images.resize(picture.data, width=w, height=h)
response = make_response(thumb)
response.headers['Content-Type'] = picture.content_type
return response
def download_file(request, key, name):
""" Отдаем картинку из БД по ключу и имени файла получаемые из запроса по url'у"""
file = memcache.get("full_" + key)
if file is not None:
current_time = datetime.datetime.utcnow()
response = HttpResponse()
last_modified = current_time - datetime.timedelta(days=1)
response['Content-Type'] = 'image/jpg'
response['Last-Modified'] = last_modified.strftime(
'%a, %d %b %Y %H:%M:%S GMT')
response['Expires'] = current_time + datetime.timedelta(days=30)
response['Cache-Control'] = 'public, max-age=315360000'
response['Date'] = current_time
response.content = file
return response
else:
file = Picture.get(db.Key(key))
memcache.add("full_" + key, file.data)
if file.name != name:
raise Http404(
'Could not find file with this name!'
) # если имя файла не соответсвует существующему то выводим сообщение
return HttpResponse(
file.data,
# content_type='image/png',
mimetype='image/png')
def thumbnail(id, width, height, ext):
key = db.Key(id)
picture = Picture.get(key)
img = images.Image(picture.data)
if width != '0':
w = int(width)
else:
w = img.width
if height != '0':
h = int(height)
else:
h = img.height
if img.height > h and h != 0:
w = (int(width) * img.width) / img.height;
if img.width > w:
h = (int(height) * img.height) / img.width;
thumb = images.resize(picture.data, width=w, height=h)
response = make_response(thumb)
response.headers['Content-Type'] = picture.content_type
return response
def edit_picture(id):
key = db.Key(id)
picture = Picture.get(key)
form = PictureForm(request.form, picture)
return render_template('admin/pictures/edit.html',
title=u'Редактировать рисунок',
form=form,
picture=picture)
def delete_picture(request, key):
""" Удаление изображения по ключу передаваемого из url'а """
if request.user.is_authenticated():
pic = Picture.get(db.Key(key))
size = len(pic.data)+len(pic.data_cover)+len(pic.data_small)
return delete_object(request, Picture, object_id=db.Key(key),
post_delete_redirect=reverse('gallery.views.delete_picture_ok', args=[size]))
else:
return HttpResponseRedirect('/account/login/')
def delete_picture(request, key):
""" Удаление изображения по ключу передаваемого из url'а """
if request.user.is_authenticated():
pic = Picture.get(db.Key(key))
size = len(pic.data) + len(pic.data_cover) + len(pic.data_small)
return delete_object(request,
Picture,
object_id=db.Key(key),
post_delete_redirect=reverse(
'gallery.views.delete_picture_ok',
args=[size]))
else:
return HttpResponseRedirect('/account/login/')
def update_picture(id):
key = db.Key(id)
picture = Picture.get(key)
form = PictureForm(request.form, picture)
if form.validate():
form.populate_obj(picture)
if request.files['file']:
picture.data = request.files['file'].read()
picture.ext = request.files['file'].filename.rsplit('.', 1)[1]
picture.content_type = request.files['file'].content_type
picture.put()
flash(u'Рисунок успешно сохранен', 'correct')
return redirect(url_for("edit_picture", id=picture.key()))
else:
return render_template('admin/pictures/edit.html', title=u'Редактировать рисунок', form=form, picture=picture)
def review_picture(request, key, name):
picture = Picture.get(db.Key(key))
query_list_image = Picture.all().filter("album", picture.album).fetch(999)
try:
next = query_list_image[query_list_image.index(picture)+1]
except:
next = False
try:
if not query_list_image.index(picture)==0:
last = query_list_image[query_list_image.index(picture)-1]
else:
last = False
except:
last = False
return render_to_response('view_picture.html', {'picture':picture, 'next':next, 'last':last, 'user': request.user})
def update_picture(id):
key = db.Key(id)
picture = Picture.get(key)
form = PictureForm(request.form, picture)
if form.validate():
form.populate_obj(picture)
if request.files['file']:
picture.data = request.files['file'].read()
picture.ext = request.files['file'].filename.rsplit('.', 1)[1]
picture.content_type = request.files['file'].content_type
picture.put()
flash(u'Рисунок успешно сохранен', 'correct')
return redirect(url_for("edit_picture", id=picture.key()))
else:
return render_template('admin/pictures/edit.html',
title=u'Редактировать рисунок',
form=form,
picture=picture)
def review_picture(request, key, name):
picture = Picture.get(db.Key(key))
query_list_image = Picture.all().filter("album", picture.album).fetch(999)
try:
next = query_list_image[query_list_image.index(picture) + 1]
except:
next = False
try:
if not query_list_image.index(picture) == 0:
last = query_list_image[query_list_image.index(picture) - 1]
else:
last = False
except:
last = False
return render_to_response('view_picture.html', {
'picture': picture,
'next': next,
'last': last,
'user': request.user
})
def download_small(request, key, name):
""" Отдаем картинку из БД по ключу и имени файла получаемые из запроса по url'у"""
file = memcache.get("small_" + key)
if file is not None:
current_time = datetime.datetime.utcnow()
response = HttpResponse()
last_modified = current_time - datetime.timedelta(days=1)
response['Content-Type'] = 'image/jpg'
response['Last-Modified'] = last_modified.strftime('%a, %d %b %Y %H:%M:%S GMT')
response['Expires'] = current_time + datetime.timedelta(days=30)
response['Cache-Control'] = 'public, max-age=315360000'
response['Date'] = current_time
response.content = file
return response
else:
file = Picture.get(db.Key(key))
memcache.add("small_" + key, file.data)
if file.name != name:
raise Http404('Could not find file with this name!')
return HttpResponse(file.data_small,
content_type='image/png',
mimetype='image/png')
def edit_picture(id):
key = db.Key(id)
picture = Picture.get(key)
form = PictureForm(request.form, picture)
return render_template('admin/pictures/edit.html', title=u'Редактировать рисунок', form=form, picture=picture)