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#!/usr/bin/env python
import sys
import os
import PyTango
from PyQt4 import QtGui, QtCore, Qt
import upgrade_utils
def get_default_tango_host():
tg = os.environ.get('TANGO_HOST')
if tg is None:
return '', ''
return tg.split(':')
class BaseUpgradePage(QtGui.QWizardPage):
host_key = 'tango_host'
port_key = 'tango_port'
p_instance_key = 'pool_instance'
p_version_key = 'pool_version'
def __init__(self, parent=None):
QtGui.QWizardPage.__init__(self, parent)
self.setPixmap(QtGui.QWizard.LogoPixmap, QtGui.QPixmap(":/logo.jpg"))
def db(self):
return self.wizard().db()
def pool(self):
return self.wizard().pool()
def version(self):
return self.wizard().version()
class IntroPage(QtGui.QWizardPage):
def __init__(self, parent=None):
QtGui.QWizardPage.__init__(self, parent)
self.setTitle('Introduction')
self.setPixmap(QtGui.QWizard.WatermarkPixmap,
QtGui.QPixmap(":/watermark.jpg"))
label = QtGui.QLabel('This wizard will upgrade your device pool to '
'the desired version. You simply need to specify '
'the tango host, the pool instance and the new '
'version you which to upgrade to')
label.setWordWrap(True)
layout = QtGui.QVBoxLayout()
layout.addWidget(label)
self.setLayout(layout)
class SelectTangoHostPage(BaseUpgradePage):
def __init__(self, parent=None):
BaseUpgradePage.__init__(self, parent)
self.setTitle('Tango Host')
self.setSubTitle('Please select the Tango Host')
#panel = QtGui.QWidget(self)
panel = self
layout = QtGui.QGridLayout(panel)
hostEdit = QtGui.QLineEdit(panel)
portEdit = QtGui.QLineEdit(panel)
self.registerField(self.host_key, hostEdit)
self.registerField(self.port_key, portEdit)
host, port = get_default_tango_host()
hostEdit.setText(host)
portEdit.setText(port)
self.connect(hostEdit,
QtCore.SIGNAL('textEdited(const QString &)'),
QtCore.SIGNAL('completeChanged()'))
self.connect(portEdit,
QtCore.SIGNAL('textEdited(const QString &)'),
QtCore.SIGNAL('completeChanged()'))
hostLabel = QtGui.QLabel('&Host:', panel)
portLabel = QtGui.QLabel('&Port:', panel)
spacer = QtGui.QSpacerItem(
20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
self.statusLabel = QtGui.QLabel(panel)
self.statusLabel.setAutoFillBackground(True)
palette = self.statusLabel.palette()
palette.setBrush(QtGui.QPalette.Window, QtGui.QBrush(
Qt.QColor.fromRgb(200, 200, 200)))
hostLabel.setBuddy(hostEdit)
portLabel.setBuddy(portEdit)
layout.addWidget(hostLabel, 0, 0, Qt.Qt.AlignRight)
layout.addWidget(portLabel, 1, 0, Qt.Qt.AlignRight)
layout.addWidget(hostEdit, 0, 1, Qt.Qt.AlignLeft)
layout.addWidget(portEdit, 1, 1, Qt.Qt.AlignLeft)
layout.addWidget(portEdit, 1, 1, Qt.Qt.AlignLeft)
layout.addItem(spacer, 2, 0, 1, 2)
layout.addWidget(self.statusLabel, 3, 0, 1, 2)
layout.setColumnStretch(0, 0)
layout.setColumnStretch(1, 1)
def initializePage(self):
BaseUpgradePage.initializePage(self)
def isComplete(self):
try:
db = self.db()
self.statusLabel.setText('')
return True
except PyTango.DevFailed, df:
txt = str(df.args[-1].desc)
self.statusLabel.setText(txt)
return False
class SelectInstancePage(BaseUpgradePage):
def __init__(self, parent=None):
BaseUpgradePage.__init__(self, parent)
self.setTitle('Pool Instance')
self.setSubTitle('Please select the Pool Server instance')
#panel = QtGui.QWidget(self)
panel = self
self.instanceCB = QtGui.QComboBox(panel)
self.instanceCB.setDuplicatesEnabled(False)
self.instanceCB.setEditable(False)
self.registerField(self.p_instance_key, self.instanceCB)
layout = QtGui.QGridLayout(panel)
instanceLabel = QtGui.QLabel('instance:', panel)
spacer = QtGui.QSpacerItem(
20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
self.statusLabel = QtGui.QLabel(panel)
self.statusLabel.setAutoFillBackground(True)
palette = self.statusLabel.palette()
palette.setBrush(QtGui.QPalette.Window, QtGui.QBrush(
Qt.QColor.fromRgb(200, 200, 200)))
layout.setColumnStretch(0, 0)
layout.setColumnStretch(1, 1)
layout.addWidget(instanceLabel, 0, 0, Qt.Qt.AlignRight)
layout.addWidget(self.instanceCB, 0, 1, Qt.Qt.AlignLeft)
layout.addItem(spacer, 1, 0, 1, 2)
layout.addWidget(self.statusLabel, 2, 0, 1, 2)
self.connect(self.instanceCB,
QtCore.SIGNAL('currentIndexChanged(int)'),
QtCore.SIGNAL('completeChanged()'))
def isComplete(self):
idx = self.instanceCB.currentIndex()
if idx >= 0:
db = self.db()
serv = str(self.instanceCB.currentText())
curr_vers = upgrade_utils.get_pool_server_version(serv, db=db)
txt = 'Current version is %s' % curr_vers
possible_upgrades = upgrade_utils.get_possible_upgrades(
serv, db=db)
if not possible_upgrades:
txt += ". There are no possible upgrades for this version"
self.statusLabel.setText(txt)
return len(possible_upgrades)
else:
self.statusLabel.setText('No instance selected')
return False
def initializePage(self):
BaseUpgradePage.initializePage(self)
db = self.db()
self.instanceCB.clear()
self.instanceCB.addItems(upgrade_utils.get_server_list(db=db))
class SelectVersionPage(BaseUpgradePage):
def __init__(self, parent=None):
BaseUpgradePage.__init__(self, parent)
self.setTitle('Version')
self.setSubTitle('Please select the version to upgrade to')
panel = self
self.versionCB = QtGui.QComboBox(panel)
self.versionCB.setDuplicatesEnabled(False)
self.versionCB.setEditable(False)
self.registerField(self.p_version_key, self.versionCB)
layout = QtGui.QGridLayout(panel)
versionLabel = QtGui.QLabel('version:', panel)
spacer = QtGui.QSpacerItem(
20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
self.statusLabel = QtGui.QLabel(panel)
self.statusLabel.setAutoFillBackground(True)
palette = self.statusLabel.palette()
palette.setBrush(QtGui.QPalette.Window, QtGui.QBrush(
Qt.QColor.fromRgb(200, 200, 200)))
layout.setColumnStretch(0, 0)
layout.setColumnStretch(1, 1)
layout.addWidget(versionLabel, 0, 0, Qt.Qt.AlignRight)
layout.addWidget(self.versionCB, 0, 1, Qt.Qt.AlignLeft)
layout.addItem(spacer, 1, 0, 1, 2)
layout.addWidget(self.statusLabel, 2, 0, 1, 2)
def initializePage(self):
serv = self.pool()
db = self.db()
self.setSubTitle(
'Please select to which version you want to upgrade %s to' % serv)
self.versionCB.clear()
curr_vers = upgrade_utils.get_pool_server_version(serv, db=db)
possible_new_vers = upgrade_utils.get_possible_upgrades(serv, db=db)
if not possible_new_vers:
self.statusLabel.setText(
'There are no suitable upgrades for version %s' % curr_vers)
else:
self.versionCB.addItems(possible_new_vers)
class ConclusionPage(BaseUpgradePage):
def __init__(self, parent=None):
BaseUpgradePage.__init__(self, parent)
self.setTitle('Upgrade')
self.setPixmap(QtGui.QWizard.WatermarkPixmap,
QtGui.QPixmap(":/watermark.jpg"))
layout = QtGui.QVBoxLayout(self)
self.label = QtGui.QLabel(self)
self.label.setWordWrap(True)
layout.addWidget(self.label)
def initializePage(self):
finishText = self.wizard().buttonText(QtGui.QWizard.FinishButton)
finishText.remove('&')
txt = "You are now ready to upgrade '%s' to version '%s'. Click on " \
"'%s' to proceed with the upgrade" % (
self.pool(), self.version(), finishText)
self.label.setText(txt)
class SardanaUpgradeWizard(QtGui.QWizard):
host_key = 'tango_host'
port_key = 'tango_port'
p_instance_key = 'pool_instance'
p_version_key = 'pool_version'
def __init__(self, parent=None):
QtGui.QWizard.__init__(self, parent)
self._db = None
self.setWindowTitle("Sardana Upgrade Tool")
self.setWizardStyle(QtGui.QWizard.ModernStyle)
self.addPage(IntroPage())
self.addPage(SelectTangoHostPage())
self.pool_page_idx = self.addPage(SelectInstancePage())
self.version_page_idx = self.addPage(SelectVersionPage())
self.addPage(ConclusionPage())
def pool(self):
pool_instance_idx = int(self.pool_index())
p = self.page(self.pool_page_idx).instanceCB.itemText(
pool_instance_idx)
return str(p)
def pool_index(self):
return str(self.field(self.p_instance_key).toString())
def version(self):
pool_version_idx = int(self.pool_version_index())
v = self.page(self.version_page_idx).versionCB.itemText(
pool_version_idx)
return str(v)
def pool_version_index(self):
return str(self.field(self.p_version_key).toString())
def db(self):
host = str(self.field(self.host_key).toString()).lower()
port = str(self.field(self.port_key).toString()).lower()
if not self._db or self._db.get_db_host().lower() != host or \
self._db.get_db_port().lower() != port:
try:
self._db = PyTango.Database(host, port)
except PyTango.DevFailed, df:
self._db = None
raise df
return self._db
def accept(self):
pool = self.pool()
new_version = self.version()
res = self.upgrade(pool, new_version)
if res:
self.setStartId(1)
self.restart()
else:
QtGui.QWizard.accept(self)
def upgrade(self, serv, new_vers):
db = self.db()
old_vers = upgrade_utils.get_pool_server_version(serv, db=db)
u_kcls = upgrade_utils.get_suitable_upgrade(old_vers, new_vers)
u_obj = u_kcls()
dialog = QtGui.QProgressDialog("Upgrading %s to %s..." % (
serv, new_vers), "Abort", 0, 100, self)
dialog.setAutoClose(True)
dialog.setMinimumDuration(0)
import time
for msg, percentage in u_obj.upgrade(db, serv, old_vers, new_vers):
dialog.setLabelText(msg)
dialog.setValue(percentage)
time.sleep(0.1)
dialog = QtGui.QMessageBox()
dialog.setWindowTitle("Success!!!")
dialog.setText("Do you wish to upgrade another Sardana?")
dialog.setInformativeText("Selecting No will exit this wizard")
dialog.setIcon(QtGui.QMessageBox.Question)
dialog.addButton(QtGui.QMessageBox.Yes)
dialog.addButton(QtGui.QMessageBox.No)
dialog.setDefaultButton(QtGui.QMessageBox.Yes)
return dialog.exec_() == QtGui.QMessageBox.Yes
def main():
app = QtGui.QApplication([])
res_fname = os.path.abspath(__file__)
res_fname = res_fname[:res_fname.rfind('.')] + '.rcc'
QtCore.QResource.registerResource(res_fname)
wizard = SardanaUpgradeWizard()
wizard.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()
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