def handle_icon_push(self, user, request):
""" This is called when is received. Save the icon image. """
validator = {'icon': str,
'iconid': str,
'version': lambda i: is_unsigned_int('version', i)
}
if not validate(validator, request):
return None
icon = request['icon']
iconid = request['iconid']
if iconid == 'user':
if user.get('faceversion') != request['version']:
# This is an outdated version of the icon..
return None
if icon == '':
# if we got an empty string, user removed the icon
# giving None to save_face removes the picture
delete_face(user)
elif not save_face(user, icon):
warning('Could not save face for %s: %d bytes\n' % (user.tag(), len(icon)))
return None
user.set('myfaceversion', request['version'])
self.announce_user_change(user, what=(PROFILE_ICON_CHANGED, None))
elif iconid.startswith('c:'):
cname = iconid[2:]
if cname == DEFAULT_COMMUNITY_NAME:
return None
com = self.get_ordinary_community(cname)
if com == None:
return None
if com.get('iconversion') != request['version']:
# This is an outdated version of the icon..
return None
if com.get('iconlocked'):
return None
if icon == '':
delete_community_icon(com)
elif not save_community_icon(com, icon):
warning('Failed to update community icon: %s\n' % cname)
return None
com.set('myiconversion', request['version'])
self.announce_community_change(com)
return None
def set_community_icon(self, com, icon_fname):
if icon_fname == None:
delete_community_icon(com)
else:
icon = read_file_contents(icon_fname)
if icon == None:
warning('Can not set community icon from %s\n' % icon_fname)
return False
if not save_community_icon(com, icon):
warning('Could not save community icon from %s\n' % icon_fname)
return False
# New icon version so other users will be notified. Random number
# because this is a distributed system
version = randint(0, 1 << 32 - 1)
com.set('iconversion', version)
com.set('myiconversion', version)
self.announce_community_change(com)
return True
