def showProgress(text, iter, cancel=False):
"""
Show a progress dialog for the given task. The task should be an iterable, yielding progress info as
(current, max) or (current, max, statusString) tuples. Return the last value yielded by the task.
:param text:
:type text:
:param iter:
:type iter:
:param cancel:
:type cancel:
:return:
:rtype:
"""
progress = None
i = 0
start = time.time()
with LoaderTimer.stopCtx():
for progress in iter:
if time.time() - start > timeBeforeDialog:
break
else:
return progress
dialog = QtGui.QProgressDialog(QtGui.qApp.mainWindow)
dialog.setWindowTitle(text)
dialog.setWindowModality(Qt.WindowModal)
dialog.show()
for progress in iter:
if isinstance(progress, basestring):
max = current = 0
status = progress
elif isinstance(progress, tuple):
if len(progress) > 2:
current, max, status = progress[:3]
else:
current, max = progress
status = ""
else:
current = max = 1
status = ""
dialog.setValue(current)
dialog.setMaximum(max)
dialog.setLabelText(status)
QtGui.QApplication.processEvents()
if dialog.wasCanceled():
return False
dialog.close()
return progress
def showProgress(text, iter, cancel=False):
"""
Show a progress dialog for the given task. The task should be an iterable, yielding progress info as
(current, max) or (current, max, statusString) tuples. Return the last value yielded by the task.
:param text:
:type text:
:param iter:
:type iter:
:param cancel:
:type cancel:
:return:
:rtype:
"""
progress = None
i = 0
with LoaderTimer.stopCtx():
for progress in iter:
i += 1
if i > itersBeforeDialog:
break
else:
return progress
dialog = QtGui.QProgressDialog(QtGui.qApp.mainWindow)
dialog.setWindowTitle(text)
dialog.setWindowModality(Qt.WindowModal)
dialog.show()
for progress in iter:
if isinstance(progress, basestring):
max = current = 0
status = progress
elif isinstance(progress, (tuple, list)):
if len(progress) > 2:
current, max, status = progress[:3]
else:
current, max = progress
status = ""
else:
current = max = 1
status = ""
dialog.setValue(current)
dialog.setMaximum(max)
dialog.setLabelText(status)
QtGui.QApplication.processEvents()
if dialog.wasCanceled():
return False
dialog.close()
return progress
def showProgress(text, *tasks, **kwargs):
"""
Show a progress dialog for the given task(s). Each task should be an iterable,
yielding progress info as (current, max) or (current, max, statusString) tuples.
Return the last value yielded by the task.
:param text:
:type text:
:param iter:
:type iter:
:param cancel:
:type cancel:
:return:
:rtype:
"""
progress = None
cancel = kwargs.pop('cancel', None)
start = time.time()
shown = False
with LoaderTimer.stopCtx():
dialog = MCEProgressDialog(QtGui.qApp.mainWindow)
if not cancel:
dialog.setCancelButtonText(None)
dialog.setWindowTitle(text)
dialog.setWindowModality(Qt.WindowModal)
log.info("Starting progress: %d tasks." % len(tasks))
totalMaximum = len(tasks) * 100
for i, task in enumerate(tasks):
log.info("Task #%d", i)
task = rescaleProgress(task, i*100, i*100+100)
for progress in task:
if isinstance(progress, basestring):
current = 0
maximum = 0
status = progress
elif isinstance(progress, tuple):
if len(progress) > 2:
current, maximum, status = progress[:3]
else:
current, maximum = progress
status = ""
else:
current = 0
maximum = 0
status = ""
dialog.setValue(current)
if maximum == 0:
# Task progress is indeterminate
dialog.setMaximum(0)
else:
dialog.setMaximum(totalMaximum)
dialog.setLabelText(status)
if time.time() > start + timeBeforeDialog:
if not shown:
dialog.show()
shown = True
QtGui.QApplication.processEvents()
if dialog.wasCanceled():
return False
dialog.reset()
return progress
def showProgress(text, *tasks, **kwargs):
"""
Show a progress dialog for the given task(s). Each task should be an iterable,
yielding progress info as (current, max) or (current, max, statusString) tuples.
Return the last value yielded by the task.
:param text:
:type text:
:param iter:
:type iter:
:param cancel:
:type cancel:
:return:
:rtype:
"""
progress = None
cancel = kwargs.pop('cancel', None)
start = time.time()
shown = False
with LoaderTimer.stopCtx():
dialog = MCEProgressDialog(QtGui.qApp.mainWindow)
if not cancel:
dialog.setCancelButtonText(None)
dialog.setWindowTitle(text)
dialog.setWindowModality(Qt.WindowModal)
log.info("Starting progress: %d tasks." % len(tasks))
totalMaximum = len(tasks) * 100
for i, task in enumerate(tasks):
log.info("Task #%d", i)
task = rescaleProgress(task, i * 100, i * 100 + 100)
for progress in task:
if isinstance(progress, basestring):
current = 0
maximum = 0
status = progress
elif isinstance(progress, tuple):
if len(progress) > 2:
current, maximum, status = progress[:3]
else:
current, maximum = progress
status = ""
else:
current = 0
maximum = 0
status = ""
dialog.setValue(current)
if maximum == 0:
# Task progress is indeterminate
dialog.setMaximum(0)
else:
dialog.setMaximum(totalMaximum)
dialog.setLabelText(status)
if time.time() > start + timeBeforeDialog:
if not shown:
dialog.show()
shown = True
QtGui.QApplication.processEvents()
if dialog.wasCanceled():
return False
dialog.reset()
return progress
