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from PyQt4 import QtGui
import hashlib
import os
from addresses import addBMIfNotPresent
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from bmconfigparser import BMConfigParser
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import state
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str_broadcast_subscribers = ' [Broadcast subscribers] '
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str_chan = ' [chan] '
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def identiconize ( address ) :
size = 48
# If you include another identicon library, please generate an
# example identicon with the following md5 hash:
# 3fd4bf901b9d4ea1394f0fb358725b28
try :
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identicon_lib = BMConfigParser ( ) . get ( ' bitmessagesettings ' , ' identiconlib ' )
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except :
# default to qidenticon_two_x
identicon_lib = ' qidenticon_two_x '
# As an 'identiconsuffix' you could put "@bitmessge.ch" 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.
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identiconsuffix = BMConfigParser ( ) . get ( ' bitmessagesettings ' , ' identiconsuffix ' )
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if not BMConfigParser ( ) . getboolean ( ' bitmessagesettings ' , ' useidenticons ' ) :
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idcon = QtGui . QIcon ( )
return idcon
if ( identicon_lib [ : len ( ' qidenticon ' ) ] == ' qidenticon ' ) :
# print identicon_lib
# originally by:
# :Author:Shin Adachi <shn@glucose.jp>
# 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'
# image.save(filename)
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 pydenticon.py (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: http://boottunes.googlecode.com/svn-history/r302/trunk/src/pydenticon.py
# note that it requires PIL to be installed: http://www.pythonware.com/products/pil/
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
# http://pyqt.sourceforge.net/Docs/PyQt4/qimagereader.html#supportedImageFormats
# 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 :
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lower_hash = state . appdata + ' avatars/ ' + hash + ' . ' + ext . lower ( )
upper_hash = state . appdata + ' avatars/ ' + hash + ' . ' + ext . upper ( )
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if os . path . isfile ( lower_hash ) :
# print 'found avatar of ', address
idcon . addFile ( lower_hash )
return idcon
elif os . path . isfile ( upper_hash ) :
# print 'found avatar of ', address
idcon . addFile ( upper_hash )
return idcon
# if we haven't found any, try to find a default avatar
for ext in extensions :
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lower_default = state . appdata + ' avatars/ ' + ' default. ' + ext . lower ( )
upper_default = state . appdata + ' avatars/ ' + ' default. ' + ext . upper ( )
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if os . path . isfile ( lower_default ) :
default = lower_default
idcon . addFile ( lower_default )
return idcon
elif os . path . isfile ( upper_default ) :
default = upper_default
idcon . addFile ( upper_default )
return idcon
# If no avatar is found
return identiconize ( address )