Hi,
My knowledge of Qt is between None and rudimentary. I am trying to
come to grips with PySide. Here is a try to run of the example on
Signals and Slots in psep100:
#!/usr/bin/env python
# signal.py - try PySide signal slot convention
from PySide import QtCore
class Foo(QtCore.QObject):
# Define a new signal called 'trigger' that has no arguments.
trigger = QtCore.pyqtSignal()
def connect_and_emit_trigger(self):
# Connect the trigger signal to a slot.
self.trigger.connect(self.handle_trigger)
# Emit the signal.
self.trigger.emit()
def handle_trigger(self):
# Show that the slot has been called.
print "trigger signal received"
if __name__ == "__main__":
foo = Foo()
foo.connect_and_emit_trigger()
When I run this program (signal.py), I get the following dialog (My
kubuntu 10.10 OS, the PC is imodestly named "supremo"; my user name is
ak):
a...@supremo:/dat/work/PySide/examples$ ./signal.py
Traceback (most recent call last):
File "./signal.py", line 6, in <module>
class Foo(QtCore.QObject):
File "./signal.py", line 9, in Foo
trigger = QtCore.pyqtSignal()
AttributeError: 'module' object has no attribute 'pyqtSignal'
a...@supremo:/dat/work/PySide/examples$
I am using ubuntu 10.10 libraries for binaries. My interpretation of
the message is that the binaries a way behind psep100 . Perhaps the
solution is to install Pyside from the last source version released?
BTW, attempted update installation of binaries from ppa:pyside/ppa
gave a 404 Not found message for maverick Sources.gz and packages.gz.
Should I ignore these warnings?
OldAl.
--
Algis Kabaila
http://akabaila.pcug.org.au/
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