PyBitmessage/src/bitmessageqt/addressvalidator.py

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from PyQt4 import QtGui
from Queue import Empty
from addresses import decodeAddress, addBMIfNotPresent
from account import getSortedAccounts
from queues import apiAddressGeneratorReturnQueue, addressGeneratorQueue
from tr import _translate
from utils import str_chan
class AddressPassPhraseValidatorMixin():
def setParams(self, passPhraseObject=None, addressObject=None, feedBackObject=None, buttonBox=None, addressMandatory=True):
self.addressObject = addressObject
self.passPhraseObject = passPhraseObject
self.feedBackObject = feedBackObject
self.buttonBox = buttonBox
self.addressMandatory = addressMandatory
self.isValid = False
# save default text
self.okButtonLabel = self.buttonBox.button(QtGui.QDialogButtonBox.Ok).text()
def setError(self, string):
if string is not None and self.feedBackObject is not None:
font = QtGui.QFont()
font.setBold(True)
self.feedBackObject.setFont(font)
self.feedBackObject.setStyleSheet("QLabel { color : red; }")
self.feedBackObject.setText(string)
self.isValid = False
if self.buttonBox:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setEnabled(False)
if string is not None and self.feedBackObject is not None:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setText(_translate("AddressValidator", "Invalid"))
else:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setText(_translate("AddressValidator", "Validating..."))
def setOK(self, string):
if string is not None and self.feedBackObject is not None:
font = QtGui.QFont()
font.setBold(False)
self.feedBackObject.setFont(font)
self.feedBackObject.setStyleSheet("QLabel { }")
self.feedBackObject.setText(string)
self.isValid = True
if self.buttonBox:
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setEnabled(True)
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setText(self.okButtonLabel)
def checkQueue(self):
gotOne = False
# wait until processing is done
if not addressGeneratorQueue.empty():
self.setError(None)
return
while True:
try:
addressGeneratorReturnValue = apiAddressGeneratorReturnQueue.get(False)
except Empty:
if gotOne:
break
else:
return
else:
gotOne = True
if len(addressGeneratorReturnValue) == 0:
self.setError(_translate("AddressValidator", "Address already present as one of your identities."))
return (QtGui.QValidator.Intermediate, 0)
if addressGeneratorReturnValue[0] == 'chan name does not match address':
self.setError(_translate("AddressValidator", "Although the Bitmessage address you entered was valid, it doesn\'t match the chan name."))
return (QtGui.QValidator.Intermediate, 0)
self.setOK(_translate("MainWindow", "Passphrase and address appear to be valid."))
def returnValid(self):
if self.isValid:
return QtGui.QValidator.Acceptable
else:
return QtGui.QValidator.Intermediate
def validate(self, s, pos):
if self.addressObject is None:
address = None
else:
address = str(self.addressObject.text().toUtf8())
if address == "":
address = None
if self.passPhraseObject is None:
passPhrase = ""
else:
passPhrase = str(self.passPhraseObject.text().toUtf8())
if passPhrase == "":
passPhrase = None
# no chan name
if passPhrase is None:
self.setError(_translate("AddressValidator", "Chan name/passphrase needed. You didn't enter a chan name."))
return (QtGui.QValidator.Intermediate, pos)
if self.addressMandatory or address is not None:
# check if address already exists:
if address in getSortedAccounts():
self.setError(_translate("AddressValidator", "Address already present as one of your identities."))
return (QtGui.QValidator.Intermediate, pos)
# version too high
if decodeAddress(address)[0] == 'versiontoohigh':
self.setError(_translate("AddressValidator", "Address too new. Although that Bitmessage address might be valid, its version number is too new for us to handle. Perhaps you need to upgrade Bitmessage."))
return (QtGui.QValidator.Intermediate, pos)
# invalid
if decodeAddress(address)[0] != 'success':
self.setError(_translate("AddressValidator", "The Bitmessage address is not valid."))
return (QtGui.QValidator.Intermediate, pos)
# this just disables the OK button without changing the feedback text
# but only if triggered by textEdited, not by clicking the Ok button
if not self.buttonBox.button(QtGui.QDialogButtonBox.Ok).hasFocus():
self.setError(None)
# check through generator
if address is None:
addressGeneratorQueue.put(('createChan', 4, 1, str_chan + ' ' + str(passPhrase), passPhrase, False))
else:
addressGeneratorQueue.put(('joinChan', addBMIfNotPresent(address), str_chan + ' ' + str(passPhrase), passPhrase, False))
if self.buttonBox.button(QtGui.QDialogButtonBox.Ok).hasFocus():
return (self.returnValid(), pos)
else:
return (QtGui.QValidator.Intermediate, pos)
def checkData(self):
return self.validate("", 0)
class AddressValidator(QtGui.QValidator, AddressPassPhraseValidatorMixin):
def __init__(self, parent=None, passPhraseObject=None, feedBackObject=None, buttonBox=None, addressMandatory=True):
super(AddressValidator, self).__init__(parent)
self.setParams(passPhraseObject, parent, feedBackObject, buttonBox, addressMandatory)
class PassPhraseValidator(QtGui.QValidator, AddressPassPhraseValidatorMixin):
def __init__(self, parent=None, addressObject=None, feedBackObject=None, buttonBox=None, addressMandatory=False):
super(PassPhraseValidator, self).__init__(parent)
self.setParams(parent, addressObject, feedBackObject, buttonBox, addressMandatory)