You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

110 lines
5.0 KiB

from PyQt4 import QtGui
import hashlib
import os
import shared
from addresses import addBMIfNotPresent
from configparser import BMConfigParser
import state
str_broadcast_subscribers = '[Broadcast subscribers]'
str_chan = '[chan]'
def identiconize(address):
size = 48
# If you include another identicon library, please generate an
# example identicon with the following md5 hash:
# 3fd4bf901b9d4ea1394f0fb358725b28
identicon_lib = BMConfigParser().get('bitmessagesettings', 'identiconlib')
# default to qidenticon_two_x
identicon_lib = 'qidenticon_two_x'
# As an 'identiconsuffix' you could put "" or "@bm.addr" to make it compatible with other identicon generators. (Note however, that E-Mail programs might convert the BM-address to lowercase first.)
# It can be used as a pseudo-password to salt the generation of the identicons to decrease the risk
# of attacks where someone creates an address to mimic someone else's identicon.
identiconsuffix = BMConfigParser().get('bitmessagesettings', 'identiconsuffix')
if not BMConfigParser().getboolean('bitmessagesettings', 'useidenticons'):
idcon = QtGui.QIcon()
return idcon
if (identicon_lib[:len('qidenticon')] == 'qidenticon'):
# print identicon_lib
# originally by:
# :Author:Shin Adachi <>
# Licesensed under FreeBSD License.
# stripped from PIL and uses QT instead (by sendiulo, same license)
import qidenticon
hash = hashlib.md5(addBMIfNotPresent(address)+identiconsuffix).hexdigest()
use_two_colors = (identicon_lib[:len('qidenticon_two')] == 'qidenticon_two')
opacity = int(not((identicon_lib == 'qidenticon_x') | (identicon_lib == 'qidenticon_two_x') | (identicon_lib == 'qidenticon_b') | (identicon_lib == 'qidenticon_two_b')))*255
penwidth = 0
image = qidenticon.render_identicon(int(hash, 16), size, use_two_colors, opacity, penwidth)
# filename = './images/identicons/'+hash+'.png'
idcon = QtGui.QIcon()
idcon.addPixmap(image, QtGui.QIcon.Normal, QtGui.QIcon.Off)
return idcon
elif identicon_lib == 'pydenticon':
# print identicon_lib
# Here you could load (just put it in the "src" folder of your Bitmessage source)
from pydenticon import Pydenticon
# It is not included in the source, because it is licensed under GPLv3
# GPLv3 is a copyleft license that would influence our licensing
# Find the source here:
# note that it requires PIL to be installed:
idcon_render = Pydenticon(addBMIfNotPresent(address)+identiconsuffix, size*3)
rendering = idcon_render._render()
data = rendering.convert("RGBA").tostring("raw", "RGBA")
qim = QImage(data, size, size, QImage.Format_ARGB32)
pix = QPixmap.fromImage(qim)
idcon = QtGui.QIcon()
idcon.addPixmap(pix, QtGui.QIcon.Normal, QtGui.QIcon.Off)
return idcon
def avatarize(address):
loads a supported image for the given address' hash form 'avatars' folder
falls back to default avatar if 'default.*' file exists
falls back to identiconize(address)
idcon = QtGui.QIcon()
hash = hashlib.md5(addBMIfNotPresent(address)).hexdigest()
str_broadcast_subscribers = '[Broadcast subscribers]'
if address == str_broadcast_subscribers:
# don't hash [Broadcast subscribers]
hash = address
# print QImageReader.supportedImageFormats ()
# QImageReader.supportedImageFormats ()
extensions = ['PNG', 'GIF', 'JPG', 'JPEG', 'SVG', 'BMP', 'MNG', 'PBM', 'PGM', 'PPM', 'TIFF', 'XBM', 'XPM', 'TGA']
# try to find a specific avatar
for ext in extensions:
lower_hash = state.appdata + 'avatars/' + hash + '.' + ext.lower()
upper_hash = state.appdata + 'avatars/' + hash + '.' + ext.upper()
if os.path.isfile(lower_hash):
# print 'found avatar of ', address
return idcon
elif os.path.isfile(upper_hash):
# print 'found avatar of ', address
return idcon
# if we haven't found any, try to find a default avatar
for ext in extensions:
lower_default = state.appdata + 'avatars/' + 'default.' + ext.lower()
upper_default = state.appdata + 'avatars/' + 'default.' + ext.upper()
if os.path.isfile(lower_default):
default = lower_default
return idcon
elif os.path.isfile(upper_default):
default = upper_default
return idcon
# If no avatar is found
return identiconize(address)