tbundle dependencies in 'packages' dir. use qrcode instead of pyqrnative - electrum - Electrum Bitcoin wallet
 (HTM) git clone https://git.parazyd.org/electrum
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       ---
 (DIR) commit 2b2a8d17df1afa8d4b7157280d3484142425cc8a
 (DIR) parent 6226b658ea4c62ca484c54b9567aa1996f42e7a1
 (HTM) Author: ThomasV <thomasv@gitorious>
       Date:   Tue, 17 Jun 2014 11:02:46 +0200
       
       bundle dependencies in 'packages' dir. use qrcode instead of pyqrnative
       
       Diffstat:
         M MANIFEST.in                         |       5 +----
         M electrum                            |       3 +++
         M gui/qt/main_window.py               |       3 +--
         M gui/qt/qrcodewidget.py              |      77 ++++++++++++++-----------------
         D lib/pyqrnative.py                   |     962 -------------------------------
         M setup.py                            |       3 +--
       
       6 files changed, 41 insertions(+), 1012 deletions(-)
       ---
 (DIR) diff --git a/MANIFEST.in b/MANIFEST.in
       t@@ -6,10 +6,7 @@ include electrum
        recursive-include lib *.py
        recursive-include gui *.py
        recursive-include plugins *.py
       -recursive-include ecdsa *.py
       -recursive-include aes *.py
       -recursive-include requests *.py
       -recursive-include pbkdf2 *.py
       +recursive-include packages *.py
        include app.fil
        include icons.qrc
        recursive-include icons *
 (DIR) diff --git a/electrum b/electrum
       t@@ -39,6 +39,9 @@ if __builtin__.use_local_modules:
            imp.load_module('electrum', *imp.find_module('lib'))
            imp.load_module('electrum_gui', *imp.find_module('gui'))
        
       +if is_local:
       +    sys.path.append('packages')
       +
        
        from electrum import SimpleConfig, Network, Wallet, WalletStorage, NetworkProxy, Commands, known_commands, pick_random_server
        from electrum.util import print_msg, print_stderr, print_json, set_verbosity
 (DIR) diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
       t@@ -435,7 +435,6 @@ class ElectrumWindow(QMainWindow):
                    self.update_wallet()
                    self.need_update.clear()
        
       -        self.receive_qr.update_qr()
                run_hook('timer_actions')
        
            def format_amount(self, x, is_diff=False, whitespaces=False):
       t@@ -791,7 +790,7 @@ class ElectrumWindow(QMainWindow):
                    url = urlparse.urlunparse(p)
                else:
                    url = ""
       -        self.receive_qr.set_addr(url)
       +        self.receive_qr.setData(url)
        
        
            def create_send_tab(self):
 (DIR) diff --git a/gui/qt/qrcodewidget.py b/gui/qt/qrcodewidget.py
       t@@ -3,46 +3,38 @@ from PyQt4.QtCore import *
        import PyQt4.QtCore as QtCore
        import PyQt4.QtGui as QtGui
        
       -from electrum import bmp, pyqrnative
       +import os
       +import qrcode
       +
       +from electrum import bmp
       +from electrum.i18n import _
        
        
        class QRCodeWidget(QWidget):
        
            def __init__(self, data = None):
                QWidget.__init__(self)
       -        self.addr = None
       +        self.data = None
                self.qr = None
       -        if data:
       -            self.set_addr(data)
       -            self.update_qr()
       -
       -    def set_addr(self, addr):
       -        if self.addr != addr:
       -            if len(addr) < 128:
       -                MinSize = 210
       -            else:
       -                MinSize = 500
       -            self.setMinimumSize(MinSize, MinSize)
       -            self.addr = addr
       +        self.setData(data)
       +
       +
       +    def setData(self, data):
       +        if self.data != data:
       +            self.data = data
       +        if self.data:
       +            self.qr = qrcode.QRCode()
       +            self.qr.add_data(self.data)
       +            k = len(self.qr.get_matrix())
       +            self.setMinimumSize(k*5,k*5)
       +        else:
                    self.qr = None
       -            self.update()
       -
       -    def update_qr(self):
       -        if self.addr and not self.qr:
       -            for size in range(len(pyqrnative.QRUtil.PATTERN_POSITION_TABLE)): # [4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32]:
       -                try:
       -                    self.qr = pyqrnative.QRCode(size, pyqrnative.QRErrorCorrectLevel.L)
       -                    self.qr.addData(self.addr)
       -                    self.qr.make()
       -                    break
       -                except Exception:
       -                    self.qr=None
       -                    continue
       -            self.update()
        
       -    def paintEvent(self, e):
       +        self.update()
       + 
        
       -        if not self.addr:
       +    def paintEvent(self, e):
       +        if not self.data:
                    return
        
                black = QColor(0, 0, 0, 255)
       t@@ -53,27 +45,32 @@ class QRCodeWidget(QWidget):
                    qp.begin(self)
                    qp.setBrush(white)
                    qp.setPen(white)
       -            qp.drawRect(0, 0, 198, 198)
       +            r = qp.viewport()
       +            qp.drawRect(0, 0, r.width(), r.height())
                    qp.end()
                    return
       - 
       -        k = self.qr.getModuleCount()
       +
       +        matrix = self.qr.get_matrix()
       +        k = len(matrix)
                qp = QtGui.QPainter()
                qp.begin(self)
                r = qp.viewport()
       -        boxsize = min(r.width(), r.height())*0.8/k
       +
       +        margin = 10
       +        framesize = min(r.width(), r.height())
       +        boxsize = int( (framesize - 2*margin)/k )
                size = k*boxsize
                left = (r.width() - size)/2
       -        top = (r.height() - size)/2         
       +        top = (r.height() - size)/2
        
       -        # Make a white margin around the QR in case of dark theme use:
       -        margin = 10
       +        # Make a white margin around the QR in case of dark theme use
                qp.setBrush(white)
       +        qp.setPen(white)
                qp.drawRect(left-margin, top-margin, size+(margin*2), size+(margin*2))
        
                for r in range(k):
                    for c in range(k):
       -                if self.qr.isDark(r, c):
       +                if matrix[r][c]:
                            qp.setBrush(black)
                            qp.setPen(black)
                        else:
       t@@ -83,8 +80,6 @@ class QRCodeWidget(QWidget):
                qp.end()
                
        
       -import os
       -from electrum.i18n import _
        
        class QRDialog(QDialog):
        
       t@@ -92,9 +87,7 @@ class QRDialog(QDialog):
                QDialog.__init__(self, parent)
        
                d = self
       -        d.setModal(1)
                d.setWindowTitle(title)
       -        d.setMinimumSize(270, 300)
                vbox = QVBoxLayout()
                qrw = QRCodeWidget(data)
                vbox.addWidget(qrw, 1)
 (DIR) diff --git a/lib/pyqrnative.py b/lib/pyqrnative.py
       t@@ -1,962 +0,0 @@
       -import math
       -
       -#from PIL import Image, ImageDraw
       -
       -#QRCode for Python
       -#
       -#Ported from the Javascript library by Sam Curren
       -#
       -#QRCode for Javascript
       -#http://d-project.googlecode.com/svn/trunk/misc/qrcode/js/qrcode.js
       -#
       -#Copyright (c) 2009 Kazuhiko Arase
       -#
       -#URL: http://www.d-project.com/
       -#
       -#Licensed under the MIT license:
       -#   http://www.opensource.org/licenses/mit-license.php
       -#
       -# The word "QR Code" is registered trademark of
       -# DENSO WAVE INCORPORATED
       -#   http://www.denso-wave.com/qrcode/faqpatent-e.html
       -
       -
       -class QR8bitByte:
       -
       -    def __init__(self, data):
       -        self.mode = QRMode.MODE_8BIT_BYTE
       -        self.data = data
       -
       -    def getLength(self):
       -        return len(self.data)
       -
       -    def write(self, buffer):
       -        for i in range(len(self.data)):
       -            #// not JIS ...
       -            buffer.put(ord(self.data[i]), 8)
       -    def __repr__(self):
       -        return self.data
       -
       -class QRCode:
       -    def __init__(self, typeNumber, errorCorrectLevel):
       -        self.typeNumber = typeNumber
       -        self.errorCorrectLevel = errorCorrectLevel
       -        self.modules = None
       -        self.moduleCount = 0
       -        self.dataCache = None
       -        self.dataList = []
       -    def addData(self, data):
       -        newData = QR8bitByte(data)
       -        self.dataList.append(newData)
       -        self.dataCache = None
       -    def isDark(self, row, col):
       -        if (row < 0 or self.moduleCount <= row or col < 0 or self.moduleCount <= col):
       -            raise Exception("%s,%s - %s" % (row, col, self.moduleCount))
       -        return self.modules[row][col]
       -    def getModuleCount(self):
       -        return self.moduleCount
       -    def make(self):
       -        self.makeImpl(False, self.getBestMaskPattern() )
       -    def makeImpl(self, test, maskPattern):
       -
       -        self.moduleCount = self.typeNumber * 4 + 17
       -        self.modules = [None for x in range(self.moduleCount)]
       -
       -        for row in range(self.moduleCount):
       -
       -            self.modules[row] = [None for x in range(self.moduleCount)]
       -
       -            for col in range(self.moduleCount):
       -                self.modules[row][col] = None #//(col + row) % 3;
       -
       -        self.setupPositionProbePattern(0, 0)
       -        self.setupPositionProbePattern(self.moduleCount - 7, 0)
       -        self.setupPositionProbePattern(0, self.moduleCount - 7)
       -        self.setupPositionAdjustPattern()
       -        self.setupTimingPattern()
       -        self.setupTypeInfo(test, maskPattern)
       -
       -        if (self.typeNumber >= 7):
       -            self.setupTypeNumber(test)
       -
       -        if (self.dataCache == None):
       -            self.dataCache = QRCode.createData(self.typeNumber, self.errorCorrectLevel, self.dataList)
       -        self.mapData(self.dataCache, maskPattern)
       -
       -    def setupPositionProbePattern(self, row, col):
       -
       -        for r in range(-1, 8):
       -
       -            if (row + r <= -1 or self.moduleCount <= row + r): continue
       -
       -            for c in range(-1, 8):
       -
       -                if (col + c <= -1 or self.moduleCount <= col + c): continue
       -
       -                if ( (0 <= r and r <= 6 and (c == 0 or c == 6) )
       -                        or (0 <= c and c <= 6 and (r == 0 or r == 6) )
       -                        or (2 <= r and r <= 4 and 2 <= c and c <= 4) ):
       -                    self.modules[row + r][col + c] = True;
       -                else:
       -                    self.modules[row + r][col + c] = False;
       -
       -    def getBestMaskPattern(self):
       -
       -        minLostPoint = 0
       -        pattern = 0
       -
       -        for i in range(8):
       -
       -            self.makeImpl(True, i);
       -
       -            lostPoint = QRUtil.getLostPoint(self);
       -
       -            if (i == 0 or minLostPoint > lostPoint):
       -                minLostPoint = lostPoint
       -                pattern = i
       -
       -        return pattern
       -
       -
       -    def setupTimingPattern(self):
       -
       -        for r in range(8, self.moduleCount - 8):
       -            if (self.modules[r][6] != None):
       -                continue
       -            self.modules[r][6] = (r % 2 == 0)
       -
       -        for c in range(8, self.moduleCount - 8):
       -            if (self.modules[6][c] != None):
       -                continue
       -            self.modules[6][c] = (c % 2 == 0)
       -
       -    def setupPositionAdjustPattern(self):
       -
       -        pos = QRUtil.getPatternPosition(self.typeNumber)
       -
       -        for i in range(len(pos)):
       -
       -            for j in range(len(pos)):
       -
       -                row = pos[i]
       -                col = pos[j]
       -
       -                if (self.modules[row][col] != None):
       -                    continue
       -
       -                for r in range(-2, 3):
       -
       -                    for c in range(-2, 3):
       -
       -                        if (r == -2 or r == 2 or c == -2 or c == 2 or (r == 0 and c == 0) ):
       -                            self.modules[row + r][col + c] = True
       -                        else:
       -                            self.modules[row + r][col + c] = False
       -
       -    def setupTypeNumber(self, test):
       -
       -        bits = QRUtil.getBCHTypeNumber(self.typeNumber)
       -
       -        for i in range(18):
       -            mod = (not test and ( (bits >> i) & 1) == 1)
       -            self.modules[i // 3][i % 3 + self.moduleCount - 8 - 3] = mod;
       -
       -        for i in range(18):
       -            mod = (not test and ( (bits >> i) & 1) == 1)
       -            self.modules[i % 3 + self.moduleCount - 8 - 3][i // 3] = mod;
       -
       -    def setupTypeInfo(self, test, maskPattern):
       -
       -        data = (self.errorCorrectLevel << 3) | maskPattern
       -        bits = QRUtil.getBCHTypeInfo(data)
       -
       -        #// vertical
       -        for i in range(15):
       -
       -            mod = (not test and ( (bits >> i) & 1) == 1)
       -
       -            if (i < 6):
       -                self.modules[i][8] = mod
       -            elif (i < 8):
       -                self.modules[i + 1][8] = mod
       -            else:
       -                self.modules[self.moduleCount - 15 + i][8] = mod
       -
       -        #// horizontal
       -        for i in range(15):
       -
       -            mod = (not test and ( (bits >> i) & 1) == 1);
       -
       -            if (i < 8):
       -                self.modules[8][self.moduleCount - i - 1] = mod
       -            elif (i < 9):
       -                self.modules[8][15 - i - 1 + 1] = mod
       -            else:
       -                self.modules[8][15 - i - 1] = mod
       -
       -        #// fixed module
       -        self.modules[self.moduleCount - 8][8] = (not test)
       -
       -    def mapData(self, data, maskPattern):
       -
       -        inc = -1
       -        row = self.moduleCount - 1
       -        bitIndex = 7
       -        byteIndex = 0
       -
       -        for col in range(self.moduleCount - 1, 0, -2):
       -
       -            if (col == 6): col-=1
       -
       -            while (True):
       -
       -                for c in range(2):
       -
       -                    if (self.modules[row][col - c] == None):
       -
       -                        dark = False
       -
       -                        if (byteIndex < len(data)):
       -                            dark = ( ( (data[byteIndex] >> bitIndex) & 1) == 1)
       -
       -                        mask = QRUtil.getMask(maskPattern, row, col - c)
       -
       -                        if (mask):
       -                            dark = not dark
       -
       -                        self.modules[row][col - c] = dark
       -                        bitIndex-=1
       -
       -                        if (bitIndex == -1):
       -                            byteIndex+=1
       -                            bitIndex = 7
       -
       -                row += inc
       -
       -                if (row < 0 or self.moduleCount <= row):
       -                    row -= inc
       -                    inc = -inc
       -                    break
       -    PAD0 = 0xEC
       -    PAD1 = 0x11
       -
       -    @staticmethod
       -    def createData(typeNumber, errorCorrectLevel, dataList):
       -
       -        rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel)
       -
       -        buffer = QRBitBuffer();
       -
       -        for i in range(len(dataList)):
       -            data = dataList[i]
       -            buffer.put(data.mode, 4)
       -            buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber) )
       -            data.write(buffer)
       -
       -        #// calc num max data.
       -        totalDataCount = 0;
       -        for i in range(len(rsBlocks)):
       -            totalDataCount += rsBlocks[i].dataCount
       -
       -        if (buffer.getLengthInBits() > totalDataCount * 8):
       -            raise Exception("code length overflow. ("
       -                + buffer.getLengthInBits()
       -                + ">"
       -                +  totalDataCount * 8
       -                + ")")
       -
       -        #// end code
       -        if (buffer.getLengthInBits() + 4 <= totalDataCount * 8):
       -            buffer.put(0, 4)
       -
       -        #// padding
       -        while (buffer.getLengthInBits() % 8 != 0):
       -            buffer.putBit(False)
       -
       -        #// padding
       -        while (True):
       -
       -            if (buffer.getLengthInBits() >= totalDataCount * 8):
       -                break
       -            buffer.put(QRCode.PAD0, 8)
       -
       -            if (buffer.getLengthInBits() >= totalDataCount * 8):
       -                break
       -            buffer.put(QRCode.PAD1, 8)
       -
       -        return QRCode.createBytes(buffer, rsBlocks)
       -
       -    @staticmethod
       -    def createBytes(buffer, rsBlocks):
       -
       -        offset = 0
       -
       -        maxDcCount = 0
       -        maxEcCount = 0
       -
       -        dcdata = [0 for x in range(len(rsBlocks))]
       -        ecdata = [0 for x in range(len(rsBlocks))]
       -
       -        for r in range(len(rsBlocks)):
       -
       -            dcCount = rsBlocks[r].dataCount
       -            ecCount = rsBlocks[r].totalCount - dcCount
       -
       -            maxDcCount = max(maxDcCount, dcCount)
       -            maxEcCount = max(maxEcCount, ecCount)
       -
       -            dcdata[r] = [0 for x in range(dcCount)]
       -
       -            for i in range(len(dcdata[r])):
       -                dcdata[r][i] = 0xff & buffer.buffer[i + offset]
       -            offset += dcCount
       -
       -            rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount)
       -            rawPoly = QRPolynomial(dcdata[r], rsPoly.getLength() - 1)
       -
       -            modPoly = rawPoly.mod(rsPoly)
       -            ecdata[r] = [0 for x in range(rsPoly.getLength()-1)]
       -            for i in range(len(ecdata[r])):
       -                modIndex = i + modPoly.getLength() - len(ecdata[r])
       -                if (modIndex >= 0):
       -                    ecdata[r][i] = modPoly.get(modIndex)
       -                else:
       -                    ecdata[r][i] = 0
       -
       -        totalCodeCount = 0
       -        for i in range(len(rsBlocks)):
       -            totalCodeCount += rsBlocks[i].totalCount
       -
       -        data = [None for x in range(totalCodeCount)]
       -        index = 0
       -
       -        for i in range(maxDcCount):
       -            for r in range(len(rsBlocks)):
       -                if (i < len(dcdata[r])):
       -                    data[index] = dcdata[r][i]
       -                    index+=1
       -
       -        for i in range(maxEcCount):
       -            for r in range(len(rsBlocks)):
       -                if (i < len(ecdata[r])):
       -                    data[index] = ecdata[r][i]
       -                    index+=1
       -
       -        return data
       -
       -
       -class QRMode:
       -    MODE_NUMBER = 1 << 0
       -    MODE_ALPHA_NUM = 1 << 1
       -    MODE_8BIT_BYTE = 1 << 2
       -    MODE_KANJI = 1 << 3
       -
       -class QRErrorCorrectLevel:
       -    L = 1
       -    M = 0
       -    Q = 3
       -    H = 2
       -
       -class QRMaskPattern:
       -    PATTERN000 = 0
       -    PATTERN001 = 1
       -    PATTERN010 = 2
       -    PATTERN011 = 3
       -    PATTERN100 = 4
       -    PATTERN101 = 5
       -    PATTERN110 = 6
       -    PATTERN111 = 7
       -
       -class QRUtil(object):
       -    PATTERN_POSITION_TABLE = [
       -        [],
       -        [6, 18],
       -        [6, 22],
       -        [6, 26],
       -        [6, 30],
       -        [6, 34],
       -        [6, 22, 38],
       -        [6, 24, 42],
       -        [6, 26, 46],
       -        [6, 28, 50],
       -        [6, 30, 54],
       -        [6, 32, 58],
       -        [6, 34, 62],
       -        [6, 26, 46, 66],
       -        [6, 26, 48, 70],
       -        [6, 26, 50, 74],
       -        [6, 30, 54, 78],
       -        [6, 30, 56, 82],
       -        [6, 30, 58, 86],
       -        [6, 34, 62, 90],
       -        [6, 28, 50, 72, 94],
       -        [6, 26, 50, 74, 98],
       -        [6, 30, 54, 78, 102],
       -        [6, 28, 54, 80, 106],
       -        [6, 32, 58, 84, 110],
       -        [6, 30, 58, 86, 114],
       -        [6, 34, 62, 90, 118],
       -        [6, 26, 50, 74, 98, 122],
       -        [6, 30, 54, 78, 102, 126],
       -        [6, 26, 52, 78, 104, 130],
       -        [6, 30, 56, 82, 108, 134],
       -        [6, 34, 60, 86, 112, 138],
       -        [6, 30, 58, 86, 114, 142],
       -        [6, 34, 62, 90, 118, 146],
       -        [6, 30, 54, 78, 102, 126, 150],
       -        [6, 24, 50, 76, 102, 128, 154],
       -        [6, 28, 54, 80, 106, 132, 158],
       -        [6, 32, 58, 84, 110, 136, 162],
       -        [6, 26, 54, 82, 110, 138, 166],
       -        [6, 30, 58, 86, 114, 142, 170]
       -    ]
       -
       -    G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0)
       -    G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0)
       -    G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1)
       -
       -    @staticmethod
       -    def getBCHTypeInfo(data):
       -        d = data << 10;
       -        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0):
       -            d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) ) )
       -
       -        return ( (data << 10) | d) ^ QRUtil.G15_MASK
       -    @staticmethod
       -    def getBCHTypeNumber(data):
       -        d = data << 12;
       -        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0):
       -            d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) ) )
       -        return (data << 12) | d
       -    @staticmethod
       -    def getBCHDigit(data):
       -        digit = 0;
       -        while (data != 0):
       -            digit += 1
       -            data >>= 1
       -        return digit
       -    @staticmethod
       -    def getPatternPosition(typeNumber):
       -        return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]
       -    @staticmethod
       -    def getMask(maskPattern, i, j):
       -        if maskPattern == QRMaskPattern.PATTERN000 : return (i + j) % 2 == 0
       -        if maskPattern == QRMaskPattern.PATTERN001 : return i % 2 == 0
       -        if maskPattern == QRMaskPattern.PATTERN010 : return j % 3 == 0
       -        if maskPattern == QRMaskPattern.PATTERN011 : return (i + j) % 3 == 0
       -        if maskPattern == QRMaskPattern.PATTERN100 : return (math.floor(i / 2) + math.floor(j / 3) ) % 2 == 0
       -        if maskPattern == QRMaskPattern.PATTERN101 : return (i * j) % 2 + (i * j) % 3 == 0
       -        if maskPattern == QRMaskPattern.PATTERN110 : return ( (i * j) % 2 + (i * j) % 3) % 2 == 0
       -        if maskPattern == QRMaskPattern.PATTERN111 : return ( (i * j) % 3 + (i + j) % 2) % 2 == 0
       -        raise Exception("bad maskPattern:" + maskPattern);
       -    @staticmethod
       -    def getErrorCorrectPolynomial(errorCorrectLength):
       -        a = QRPolynomial([1], 0);
       -        for i in range(errorCorrectLength):
       -            a = a.multiply(QRPolynomial([1, QRMath.gexp(i)], 0) )
       -        return a
       -    @staticmethod
       -    def getLengthInBits(mode, type):
       -
       -        if 1 <= type and type < 10:
       -
       -            #// 1 - 9
       -
       -            if mode == QRMode.MODE_NUMBER     : return 10
       -            if mode == QRMode.MODE_ALPHA_NUM     : return 9
       -            if mode == QRMode.MODE_8BIT_BYTE    : return 8
       -            if mode == QRMode.MODE_KANJI      : return 8
       -            raise Exception("mode:" + mode)
       -
       -        elif (type < 27):
       -
       -            #// 10 - 26
       -
       -            if mode == QRMode.MODE_NUMBER     : return 12
       -            if mode == QRMode.MODE_ALPHA_NUM     : return 11
       -            if mode == QRMode.MODE_8BIT_BYTE    : return 16
       -            if mode == QRMode.MODE_KANJI      : return 10
       -            raise Exception("mode:" + mode)
       -
       -        elif (type < 41):
       -
       -            #// 27 - 40
       -
       -            if mode == QRMode.MODE_NUMBER     : return 14
       -            if mode == QRMode.MODE_ALPHA_NUM    : return 13
       -            if mode == QRMode.MODE_8BIT_BYTE    : return 16
       -            if mode == QRMode.MODE_KANJI      : return 12
       -            raise Exception("mode:" + mode)
       -
       -        else:
       -            raise Exception("type:" + type)
       -    @staticmethod
       -    def getLostPoint(qrCode):
       -
       -        moduleCount = qrCode.getModuleCount();
       -
       -        lostPoint = 0;
       -
       -        #// LEVEL1
       -
       -        for row in range(moduleCount):
       -
       -            for col in range(moduleCount):
       -
       -                sameCount = 0;
       -                dark = qrCode.isDark(row, col);
       -
       -                for r in range(-1, 2):
       -
       -                    if (row + r < 0 or moduleCount <= row + r):
       -                        continue
       -
       -                    for c in range(-1, 2):
       -
       -                        if (col + c < 0 or moduleCount <= col + c):
       -                            continue
       -                        if (r == 0 and c == 0):
       -                            continue
       -
       -                        if (dark == qrCode.isDark(row + r, col + c) ):
       -                            sameCount+=1
       -                if (sameCount > 5):
       -                    lostPoint += (3 + sameCount - 5)
       -
       -        #// LEVEL2
       -
       -        for row in range(moduleCount - 1):
       -            for col in range(moduleCount - 1):
       -                count = 0;
       -                if (qrCode.isDark(row,     col    ) ): count+=1
       -                if (qrCode.isDark(row + 1, col    ) ): count+=1
       -                if (qrCode.isDark(row,     col + 1) ): count+=1
       -                if (qrCode.isDark(row + 1, col + 1) ): count+=1
       -                if (count == 0 or count == 4):
       -                    lostPoint += 3
       -
       -        #// LEVEL3
       -
       -        for row in range(moduleCount):
       -            for col in range(moduleCount - 6):
       -                if (qrCode.isDark(row, col)
       -                        and not qrCode.isDark(row, col + 1)
       -                        and  qrCode.isDark(row, col + 2)
       -                        and  qrCode.isDark(row, col + 3)
       -                        and  qrCode.isDark(row, col + 4)
       -                        and not qrCode.isDark(row, col + 5)
       -                        and  qrCode.isDark(row, col + 6) ):
       -                    lostPoint += 40
       -
       -        for col in range(moduleCount):
       -            for row in range(moduleCount - 6):
       -                if (qrCode.isDark(row, col)
       -                        and not qrCode.isDark(row + 1, col)
       -                        and  qrCode.isDark(row + 2, col)
       -                        and  qrCode.isDark(row + 3, col)
       -                        and  qrCode.isDark(row + 4, col)
       -                        and not qrCode.isDark(row + 5, col)
       -                        and  qrCode.isDark(row + 6, col) ):
       -                    lostPoint += 40
       -
       -        #// LEVEL4
       -
       -        darkCount = 0;
       -
       -        for col in range(moduleCount):
       -            for row in range(moduleCount):
       -                if (qrCode.isDark(row, col) ):
       -                    darkCount+=1
       -
       -        ratio = abs(100 * darkCount / moduleCount / moduleCount - 50) / 5
       -        lostPoint += ratio * 10
       -
       -        return lostPoint
       -
       -class QRMath:
       -
       -    @staticmethod
       -    def glog(n):
       -        if (n < 1):
       -            raise Exception("glog(" + n + ")")
       -        return LOG_TABLE[n];
       -    @staticmethod
       -    def gexp(n):
       -        while n < 0:
       -            n += 255
       -        while n >= 256:
       -            n -= 255
       -        return EXP_TABLE[n];
       -
       -EXP_TABLE = [x for x in range(256)]
       -
       -LOG_TABLE = [x for x in range(256)]
       -
       -for i in range(8):
       -    EXP_TABLE[i] = 1 << i;
       -
       -for i in range(8, 256):
       -    EXP_TABLE[i] = EXP_TABLE[i - 4] ^ EXP_TABLE[i - 5] ^ EXP_TABLE[i - 6] ^ EXP_TABLE[i - 8]
       -
       -for i in range(255):
       -    LOG_TABLE[EXP_TABLE[i] ] = i
       -
       -class QRPolynomial:
       -
       -    def __init__(self, num, shift):
       -
       -        if (len(num) == 0):
       -            raise Exception(num.length + "/" + shift)
       -
       -        offset = 0
       -
       -        while offset < len(num) and num[offset] == 0:
       -            offset += 1
       -
       -        self.num = [0 for x in range(len(num)-offset+shift)]
       -        for i in range(len(num) - offset):
       -            self.num[i] = num[i + offset]
       -
       -
       -    def get(self, index):
       -        return self.num[index]
       -    def getLength(self):
       -        return len(self.num)
       -    def multiply(self, e):
       -        num = [0 for x in range(self.getLength() + e.getLength() - 1)];
       -
       -        for i in range(self.getLength()):
       -            for j in range(e.getLength()):
       -                num[i + j] ^= QRMath.gexp(QRMath.glog(self.get(i) ) + QRMath.glog(e.get(j) ) )
       -
       -        return QRPolynomial(num, 0);
       -    def mod(self, e):
       -
       -        if (self.getLength() - e.getLength() < 0):
       -            return self;
       -
       -        ratio = QRMath.glog(self.get(0) ) - QRMath.glog(e.get(0) )
       -
       -        num = [0 for x in range(self.getLength())]
       -
       -        for i in range(self.getLength()):
       -            num[i] = self.get(i);
       -
       -        for i in range(e.getLength()):
       -            num[i] ^= QRMath.gexp(QRMath.glog(e.get(i) ) + ratio)
       -
       -        # recursive call
       -        return QRPolynomial(num, 0).mod(e);
       -
       -class QRRSBlock:
       -
       -    RS_BLOCK_TABLE = [
       -
       -        #// L
       -        #// M
       -        #// Q
       -        #// H
       -
       -        #// 1
       -        [1, 26, 19],
       -        [1, 26, 16],
       -        [1, 26, 13],
       -        [1, 26, 9],
       -
       -        #// 2
       -        [1, 44, 34],
       -        [1, 44, 28],
       -        [1, 44, 22],
       -        [1, 44, 16],
       -
       -        #// 3
       -        [1, 70, 55],
       -        [1, 70, 44],
       -        [2, 35, 17],
       -        [2, 35, 13],
       -
       -        #// 4
       -        [1, 100, 80],
       -        [2, 50, 32],
       -        [2, 50, 24],
       -        [4, 25, 9],
       -
       -        #// 5
       -        [1, 134, 108],
       -        [2, 67, 43],
       -        [2, 33, 15, 2, 34, 16],
       -        [2, 33, 11, 2, 34, 12],
       -
       -        #// 6
       -        [2, 86, 68],
       -        [4, 43, 27],
       -        [4, 43, 19],
       -        [4, 43, 15],
       -
       -        #// 7
       -        [2, 98, 78],
       -        [4, 49, 31],
       -        [2, 32, 14, 4, 33, 15],
       -        [4, 39, 13, 1, 40, 14],
       -
       -        #// 8
       -        [2, 121, 97],
       -        [2, 60, 38, 2, 61, 39],
       -        [4, 40, 18, 2, 41, 19],
       -        [4, 40, 14, 2, 41, 15],
       -
       -        #// 9
       -        [2, 146, 116],
       -        [3, 58, 36, 2, 59, 37],
       -        [4, 36, 16, 4, 37, 17],
       -        [4, 36, 12, 4, 37, 13],
       -
       -        #// 10
       -        [2, 86, 68, 2, 87, 69],
       -        [4, 69, 43, 1, 70, 44],
       -        [6, 43, 19, 2, 44, 20],
       -        [6, 43, 15, 2, 44, 16],
       -
       -      # 11
       -      [4, 101, 81],
       -      [1, 80, 50, 4, 81, 51],
       -      [4, 50, 22, 4, 51, 23],
       -      [3, 36, 12, 8, 37, 13],
       -
       -      # 12
       -      [2, 116, 92, 2, 117, 93],
       -      [6, 58, 36, 2, 59, 37],
       -      [4, 46, 20, 6, 47, 21],
       -      [7, 42, 14, 4, 43, 15],
       -
       -      # 13
       -      [4, 133, 107],
       -      [8, 59, 37, 1, 60, 38],
       -      [8, 44, 20, 4, 45, 21],
       -      [12, 33, 11, 4, 34, 12],
       -
       -      # 14
       -      [3, 145, 115, 1, 146, 116],
       -      [4, 64, 40, 5, 65, 41],
       -      [11, 36, 16, 5, 37, 17],
       -      [11, 36, 12, 5, 37, 13],
       -
       -      # 15
       -      [5, 109, 87, 1, 110, 88],
       -      [5, 65, 41, 5, 66, 42],
       -      [5, 54, 24, 7, 55, 25],
       -      [11, 36, 12],
       -
       -      # 16
       -      [5, 122, 98, 1, 123, 99],
       -      [7, 73, 45, 3, 74, 46],
       -      [15, 43, 19, 2, 44, 20],
       -      [3, 45, 15, 13, 46, 16],
       -
       -      # 17
       -      [1, 135, 107, 5, 136, 108],
       -      [10, 74, 46, 1, 75, 47],
       -      [1, 50, 22, 15, 51, 23],
       -      [2, 42, 14, 17, 43, 15],
       -
       -      # 18
       -      [5, 150, 120, 1, 151, 121],
       -      [9, 69, 43, 4, 70, 44],
       -      [17, 50, 22, 1, 51, 23],
       -      [2, 42, 14, 19, 43, 15],
       -
       -      # 19
       -      [3, 141, 113, 4, 142, 114],
       -      [3, 70, 44, 11, 71, 45],
       -      [17, 47, 21, 4, 48, 22],
       -      [9, 39, 13, 16, 40, 14],
       -
       -      # 20
       -      [3, 135, 107, 5, 136, 108],
       -      [3, 67, 41, 13, 68, 42],
       -      [15, 54, 24, 5, 55, 25],
       -      [15, 43, 15, 10, 44, 16],
       -
       -      # 21
       -      [4, 144, 116, 4, 145, 117],
       -      [17, 68, 42],
       -      [17, 50, 22, 6, 51, 23],
       -      [19, 46, 16, 6, 47, 17],
       -
       -      # 22
       -      [2, 139, 111, 7, 140, 112],
       -      [17, 74, 46],
       -      [7, 54, 24, 16, 55, 25],
       -      [34, 37, 13],
       -
       -      # 23
       -      [4, 151, 121, 5, 152, 122],
       -      [4, 75, 47, 14, 76, 48],
       -      [11, 54, 24, 14, 55, 25],
       -      [16, 45, 15, 14, 46, 16],
       -
       -      # 24
       -      [6, 147, 117, 4, 148, 118],
       -      [6, 73, 45, 14, 74, 46],
       -      [11, 54, 24, 16, 55, 25],
       -      [30, 46, 16, 2, 47, 17],
       -
       -      # 25
       -      [8, 132, 106, 4, 133, 107],
       -      [8, 75, 47, 13, 76, 48],
       -      [7, 54, 24, 22, 55, 25],
       -      [22, 45, 15, 13, 46, 16],
       -
       -      # 26
       -      [10, 142, 114, 2, 143, 115],
       -      [19, 74, 46, 4, 75, 47],
       -      [28, 50, 22, 6, 51, 23],
       -      [33, 46, 16, 4, 47, 17],
       -
       -      # 27
       -      [8, 152, 122, 4, 153, 123],
       -      [22, 73, 45, 3, 74, 46],
       -      [8, 53, 23, 26, 54, 24],
       -      [12, 45, 15, 28, 46, 16],
       -
       -      # 28
       -      [3, 147, 117, 10, 148, 118],
       -      [3, 73, 45, 23, 74, 46],
       -      [4, 54, 24, 31, 55, 25],
       -      [11, 45, 15, 31, 46, 16],
       -
       -      # 29
       -      [7, 146, 116, 7, 147, 117],
       -      [21, 73, 45, 7, 74, 46],
       -      [1, 53, 23, 37, 54, 24],
       -      [19, 45, 15, 26, 46, 16],
       -
       -      # 30
       -      [5, 145, 115, 10, 146, 116],
       -      [19, 75, 47, 10, 76, 48],
       -      [15, 54, 24, 25, 55, 25],
       -      [23, 45, 15, 25, 46, 16],
       -
       -      # 31
       -      [13, 145, 115, 3, 146, 116],
       -      [2, 74, 46, 29, 75, 47],
       -      [42, 54, 24, 1, 55, 25],
       -      [23, 45, 15, 28, 46, 16],
       -
       -      # 32
       -      [17, 145, 115],
       -      [10, 74, 46, 23, 75, 47],
       -      [10, 54, 24, 35, 55, 25],
       -      [19, 45, 15, 35, 46, 16],
       -
       -      # 33
       -      [17, 145, 115, 1, 146, 116],
       -      [14, 74, 46, 21, 75, 47],
       -      [29, 54, 24, 19, 55, 25],
       -      [11, 45, 15, 46, 46, 16],
       -
       -      # 34
       -      [13, 145, 115, 6, 146, 116],
       -      [14, 74, 46, 23, 75, 47],
       -      [44, 54, 24, 7, 55, 25],
       -      [59, 46, 16, 1, 47, 17],
       -
       -      # 35
       -      [12, 151, 121, 7, 152, 122],
       -      [12, 75, 47, 26, 76, 48],
       -      [39, 54, 24, 14, 55, 25],
       -      [22, 45, 15, 41, 46, 16],
       -
       -      # 36
       -      [6, 151, 121, 14, 152, 122],
       -      [6, 75, 47, 34, 76, 48],
       -      [46, 54, 24, 10, 55, 25],
       -      [2, 45, 15, 64, 46, 16],
       -
       -      # 37
       -      [17, 152, 122, 4, 153, 123],
       -      [29, 74, 46, 14, 75, 47],
       -      [49, 54, 24, 10, 55, 25],
       -      [24, 45, 15, 46, 46, 16],
       -
       -      # 38
       -      [4, 152, 122, 18, 153, 123],
       -      [13, 74, 46, 32, 75, 47],
       -      [48, 54, 24, 14, 55, 25],
       -      [42, 45, 15, 32, 46, 16],
       -
       -      # 39
       -      [20, 147, 117, 4, 148, 118],
       -      [40, 75, 47, 7, 76, 48],
       -      [43, 54, 24, 22, 55, 25],
       -      [10, 45, 15, 67, 46, 16],
       -
       -      # 40
       -      [19, 148, 118, 6, 149, 119],
       -      [18, 75, 47, 31, 76, 48],
       -      [34, 54, 24, 34, 55, 25],
       -      [20, 45, 15, 61, 46, 16]
       -
       -    ]
       -
       -    def __init__(self, totalCount, dataCount):
       -        self.totalCount = totalCount
       -        self.dataCount = dataCount
       -
       -    @staticmethod
       -    def getRSBlocks(typeNumber, errorCorrectLevel):
       -        rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
       -        if rsBlock == None:
       -            raise Exception("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel)
       -
       -        length = len(rsBlock) / 3
       -
       -        list = []
       -
       -        for i in range(length):
       -
       -            count = rsBlock[i * 3 + 0]
       -            totalCount = rsBlock[i * 3 + 1]
       -            dataCount  = rsBlock[i * 3 + 2]
       -
       -            for j in range(count):
       -                list.append(QRRSBlock(totalCount, dataCount))
       -
       -        return list;
       -
       -    @staticmethod
       -    def getRsBlockTable(typeNumber, errorCorrectLevel):
       -        if errorCorrectLevel == QRErrorCorrectLevel.L:
       -            return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
       -        elif errorCorrectLevel == QRErrorCorrectLevel.M:
       -            return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
       -        elif errorCorrectLevel ==  QRErrorCorrectLevel.Q:
       -            return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
       -        elif errorCorrectLevel ==  QRErrorCorrectLevel.H:
       -            return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
       -        else:
       -            return None;
       -
       -class QRBitBuffer:
       -    def __init__(self):
       -        self.buffer = []
       -        self.length = 0
       -    def __repr__(self):
       -        return ".".join([str(n) for n in self.buffer])
       -    def get(self, index):
       -        bufIndex = math.floor(index / 8)
       -        val = ( (self.buffer[bufIndex] >> (7 - index % 8) ) & 1) == 1
       -        print "get ", val
       -        return ( (self.buffer[bufIndex] >> (7 - index % 8) ) & 1) == 1
       -    def put(self, num, length):
       -        for i in range(length):
       -            self.putBit( ( (num >> (length - i - 1) ) & 1) == 1)
       -    def getLengthInBits(self):
       -        return self.length
       -    def putBit(self, bit):
       -        bufIndex = self.length // 8
       -        if len(self.buffer) <= bufIndex:
       -            self.buffer.append(0)
       -        if bit:
       -            self.buffer[bufIndex] |= (0x80 >> (self.length % 8) )
       -        self.length+=1
 (DIR) diff --git a/setup.py b/setup.py
       t@@ -56,7 +56,7 @@ data_files += [
        setup(
            name="Electrum",
            version=version.ELECTRUM_VERSION,
       -    install_requires=['slowaes', 'ecdsa>=0.9', 'pbkdf2', 'requests', 'pyasn1', 'pyasn1-modules', 'tlslite>=0.4.5'],
       +    install_requires=['slowaes', 'ecdsa>=0.9', 'pbkdf2', 'requests', 'pyasn1', 'pyasn1-modules', 'tlslite>=0.4.5', 'qrcode'],
            package_dir={
                'electrum': 'lib',
                'electrum_gui': 'gui',
       t@@ -79,7 +79,6 @@ setup(
                'electrum.paymentrequest',
                'electrum.paymentrequest_pb2',
                'electrum.plugins',
       -        'electrum.pyqrnative',
                'electrum.simple_config',
                'electrum.socks',
                'electrum.synchronizer',