def screenedit(screenid):
''' edit one screen '''
try:
if int(screenid) == -1:
flash('New Screen')
screen = Screen() # pylint: disable=no-value-for-parameter
else:
screen = Screen().get(Screen.id == int(screenid)) # pylint: disable=no-value-for-parameter
backgrounds = [basename(x) for x in \
glob(app.config['SITE_VARS']['user_dir'] + '*')
if allow_filetype(x)]
except Screen.DoesNotExist:
flash('Invalid Screen ID! Screen does NOT exist!')
return redirect(url_for('index'))
if request.method == 'POST':
if request.form.get('action', 'update') == 'delete':
screen.delete_instance()
flash('deleted')
return redirect(request.referrer)
# first check that name is OK:
try:
oldname = screen.urlname
screen.urlname = urllib.parse.quote(request.form.get('urlname'),
'')
screen.save()
except sqlite3.IntegrityError:
screen.urlname = oldname
flash("Sorry! That name is already being used!")
screen.background = request.form.get('background')
screen.settings = request.form.get('settings', '')
screen.css = request.form.get('css', '').replace('"', "'")
screen.zones = form_json('zones', {})
screen.save()
flash('saved.')
if int(screenid) == -1:
return redirect(url_for('screenedit', screenid=screen.id))
fonts = ['', 'serif', 'sans-serif', 'monospace', 'cursive', 'fantasy']
fonts += [name for name, _ in user_fonts()]
return render_template('screen_editor.html',
feeds=Feed.select(),
backgrounds=backgrounds,
fonts=fonts,
screen=screen)
def screen_json(screenid, old_md5):
'''
When you edit a screen, it saves most of the data as JSON. This
requests the MD5sum of that data, (and that data). You can then
compare against what you're already displaying, and only update
if it's changed.
'''
try:
screen = Screen.get(id=int(screenid))
except:
screen = Screen() # pylint: disable=no-value-for-parameter
screen_md5 = screen.md5()
if screen_md5 == old_md5:
return jsonify(screenid=screenid, md5=screen_md5)
else:
return jsonify(screenid=screenid,
md5=screen_md5,
screen=screen.to_dict())
