I researched and tried this for two days now and I cannot get gtk to work on Windows 7 with Python 3.4! Whenever I launch my .py file on Python 3.4 with import gtk, I get No module named gtk! I installed pygobject but it did not help. Even gtk3-demo command works in the windows cmd prompt.
I finally got gtk to import (I think) by copying the GTK directory right to C:\Python34\Lib. But now I have a problem with gtk.glade.
Where is this? Where do I copy it from and to where?
You are possibly using an outdated tutorial, see the current Python GTK 3 tutorial for a more up-to-date reference.
In particular, the way to import GTK has changed in GTK3 to:
from gi.repository import Gtk
And instead of libglade, you would use the newer Gtk.Builder class like so:
ui = Gtk.Builder()
ui.add_from_file("my_glade_file.glade")
(you still develop the UI using Glade, it is only how you access it from your program that has changed).
Related
How can I avoid the following error:
GTK module not found in Python (PyCharm), please see the snippet below.
This answer hasn't helped.
(Still cannot find gtk in pip.)
if you are using pyhon 3.0+ then import this library like this: from gi.repository import Gtk
I try to compile a Python project under Windows 7 using PyInstaller. The project works fine, there are no issues, however when I try to compile it the result doesn't work. Though I get no warnings during compilation there are many in the warnmain.txt file in the build directory: warnmain.txt
I don't really understand those warnings, for example "no module named numpy.pi" since numpy.pi is no module but a number. I never tried to import numpy.pi. I did import numpy and matplotlib explicitly. In addition I'm using PyQt4. I thought the error might be related to those libraries.
However I was able to compile a simple script which uses numpy succesfully:
import sys
from PyQt4 import QtGui, QtCore
import numpy as np
class MainWindow(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.pb = QtGui.QPushButton(str(np.pi), self)
app = QtGui.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())
Successfully here means that the created executable file actually showed the desired output. However there is also a warnmain.txt file created which contains exactly the same 'warnings' as the one before. So I guess the fact that compiling my actual project does not give any success is not (or at least not only) related to those warnings. But what else could be the error then? The only output during compilation are 'INFO's and none of the is a negative statement.
I did not specify an additional hook directory but the hooks where down using the default directory as far as I could read from the compile output, e.g. hook-matplotlib was executed. I could not see any hook for numpy neither could I for my small example script but this one worked. I used the following imports in my files (not all in the same but in different ones):
import numpy as np
import matplotlib.pyplot as ppl
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as NavigationToolbar
from PyQt4 import QtGui, QtCore
import json
import sys
import numpy # added this one later
import matplotlib # added this one later
Since PyInstaller does not give any errors/warnings I could not figure out if the problem is related to the libraries or if there is something else to be considered.
Had a similar problem with no module named FileDialog. Discovered that with version 3.2, I could use
pyinstaller --hidden-import FileDialog ...
instead of modifying my main script.
See Listing Hidden Imports documentation
Pyinstaller won't see second level imports. So if you import module A, pyinstaller sees this. But any additional module that is imported in A will not be seen.
There is no need to change anything in your python scripts. You can directly add the missing imports to the spec file.
Just change the following line:
hiddenimports=[],
to
hiddenimports=["Tkinter", "FileDialog"],
If you are getting ModuleNotFoundError: No module named ... errors and you:
call PyInstaller from a directory other than your main script's directory
use relative imports in your script
then your executable can have trouble finding the relative imports.
This can be fixed by:
calling PyInstaller from the same directory as your main script
OR removing any __init__.py files (empty __init__.py files are not required in Python 3.3+)
OR using PyInstaller's paths flag to specify a path to search for imports. E.g. if you are calling PyInstaller from a parent folder to your main script, and your script lives in subfolder, then call PyInstaller as such:
pyinstaller --paths=subfolder subfolder/script.py.
The problem were some runtime dependencies of matplotlib. So the compiling was fine while running the program threw some errors. Because the terminal closed itself immediately I didn't realize that. After redirecting stdout and stderr to a file I could see that I missed the libraries Tkinter and FileDialog. Adding two imports at the top of the main solved this problem.
I was facing the same problem and the following solution worked for me:
I first removed the virtual environment in which I was working.
Reinstalled all the modules using pip (note: this time I did not create any virtual environment).
Then I called the pyinstaller.
The .exe file created thereafter executed smoothly, without any module import error.
I had the same problem with pyinstaller 3.0 and weblib. Importing it in the main didn't help.
Upgrading to 3.1 and deleting all build files helped.
pip install --upgrade pyinstaller
If the matter is that you don't need Tkinter and friends because you are using PyQt4, then it might be best to avoid loading Tkinter etc altogether. Look into /etc/matplotlibrc and change the defaults to PyQt4, see the 'modified' lines below:
#### CONFIGURATION BEGINS HERE
# The default backend; one of GTK GTKAgg GTKCairo GTK3Agg GTK3Cairo
# CocoaAgg MacOSX Qt4Agg Qt5Agg TkAgg WX WXAgg Agg Cairo GDK PS PDF SVG
# Template.
# You can also deploy your own backend outside of matplotlib by
# referring to the module name (which must be in the PYTHONPATH) as
# 'module://my_backend'.
#modified
#backend : TkAgg
backend : Qt4Agg
# If you are using the Qt4Agg backend, you can choose here
# to use the PyQt4 bindings or the newer PySide bindings to
# the underlying Qt4 toolkit.
#modified
#backend.qt4 : PyQt4 # PyQt4 | PySide
backend.qt4 : PyQt4 # PyQt4 | PySide
May not be a good practice but installing pyinstaller in the original environment used in my project (instead of a separate venv) helped resolve ModuleNotFoundError
I had similar problem with PySimpleGUI.
The problem was, pyinstaller was installed in different directory.
SOLUTION (solved for me) : just install pyinstaller in the same directory in which the file is present (that to be converted to exe)
If these solutions don't work, simply deleting and reinstalling pyinstaller can fix this for you (as it did for me just now).
Putting this here for anyone else who might come across this post.
I had the same error. Mine said "ModuleNotFoundError: No module named 'numpy'". I fixed it by typing the following in the cmd:
pip install pyinstaller numpy
I am new to python and am trying to run a simple program I found on the web. I have installed the pyGTK All In One Download and cannot (after searching on the web for a month or so) find gtk.py anywhere.
It does not exist on my computer no matter how many times i run pygtk-all-in-one-2.24.2.win32-py2.7.msi
Here is my code
import pygtk
pygtk.require('2.0')
import gtk
class Simple:
def destroy(self, widget, data=None):
gtk.main_quit()
def __init__(self):
win = gtk.Window(gtk.WINDOW_TOPLEVEL)
win.connect("destroy", self.destroy)
win.set_title("Simple")
win.set_position(gtk.WIN_POS_CENTER)
win.show_all()
Simple()
gtk.main()
I searched this forum and many others as well. If you have this file, could you post the code so I can copy it?
If someone can help I would be very grateful. Thank You for listening.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
It seems that I have found the answer from the following link at http://www.slideshare.net/BaabtraMentoringPartner/importerror-dll-load-failed-is-not-a-valid-win32-application-python-mysql. I uninstalled the 64 bit version and installed the 32 bit version. When I run it from the command line the little window comes up! The error still shows up in Netbeans though so maybe the problem is in the Netbeans IDE?
The gtk code is in
C:\Python27\Lib\site-packages\gtk-2.0
There is no single file named gtk.py. (There is a _gtk.pyd, which is like a dll).
However, you should generally not need to access the source code for the libraries you install. Python will handle that for you when you import gtk, then you can just use those features within your script.
If you have another gtk app (like GIMP) you may have problem with enviroment. Also, I hope that the indentation is broken only here, not in your script. And tell us what is the error.
I guess that using python(64bit ) for Windows 7 was the main problem.
So I uninstalled the 64 bit version and installed the 32 bit version and it seems to work fine now.
Thanks to everyone for your help.
I would like to mark this question as answered but I don't exactly know how.
Uninstall your all-in-one and try with this other all-in-one:
https://sourceforge.net/projects/pygobjectwin32/files/
Then:
import gi
gi.require_version('Gtk', '2.0')
from gi.repository import Gtk
I was trying to do gui programming in Python.I figured out that PySide is a good framework to start with.As i was running Python 2.7.2 i downloaded PySide 2.7 and tried running a sample app.I got QtCore Library not loaded error.
This is the error that i got..
from PySide import QtCore, QtGui
ImportError: dlopen(/Library/Python/2.7/site-packages/PySide/QtCore.so, 2):
Library not loaded: QtCore.framework/Versions/4/QtCore
Referenced from: /Library/Python/2.7/site-packages/PySide/QtCore.so
Reason: image not found
I googled and found out that many people were facing the same issue and i saw solutions being posted based on exporting DYLD_FRAMEWORK_PATH. I was not able to follow this.
Could anyone please tell me whats the issue and how to fix it!!
Thanks..
You don't mention the OS you are working on, but from the paths in your error message it looks like you're on Mac OSX.
I'm not an expert in PySide at all, but I had the same problem a while ago and I think I know what's going on: The library at /Library/Python/2.7/site-packages/PySide/QtCore.so is the part that makes the Qt Core C++ library available to Python. It is just the wrapper though or some sort of translator between C++ and Python, the actual C++ functionality is elsewhere - and when the Python interpreter tries to load the C++ library that contains that functionality from QtCore.framework/Versions/4/QtCore, if fails to find it, hence the error message.
A quick and dirty way to solve your problem is to create symbolic links from the location where QtCore.so expects the C++ library to where it actually is. For that, you will obviously have to find the C++ library. If you downloaded Qt 4.8.4 as an installer from the Qt Project page, the libraries AFAIK are somewhere in /usr/lib, so you would create a symlink like this:
ln -vis /usr/lib/<insert subfolder>/QtCore.framework /Library/Python/2.7/site-packages/PySide/QtCore.framework
You will have to do this in a similar way for QtGui and any other Qt library you want to use as well. Note that this obviously does not symlink the library itself, but the folder in which QtCore.so expects it.
An alternate way would be to build PySide from the sources (which is what I ended up doing), but that takes longer - and you sound like you just want to get going with Python and Qt.
Have you installed standalone QT package for mac?
Qt for Mac OS X: Download Qt 4.7.4 ftp://ftp.qt-project.org/qt/source/qt-mac-opensource-4.7.4.dmg standalone pyside installation raises same error log for me
My situation is Aptana eclipse plug-in installed and working properly.
If I from gi.repository import Gtk the code completion I'm used to from import gtk is gone. Any solutions or is it just a bug?
My interim solution is keeping an import gtk\ngtk. in a clipboard manager and dropping it in when I need hints.
Yes, there is!
You should add gi to the forced builtins and you'll get a code completion:
Go to the Window->Preferences, PyDev->Interpreter python section and add gi to the "Forced builtin" tab for each interpreter you would like to use Gtk3.
More about this:
http://pydev.org/manual_101_interpreter.html
from gi.repository import Gtk
is not same like
import gtk
With the statement "
from gi.repository import Gtk
your are importing Gtk 3. With
import gtk
your are importing Gtk 2.
I would say that you code completion doesn't know Gtk 3.
maybe useful:
Tutorial for Gtk 3 http://readthedocs.org/docs/python-gtk-3-tutorial/en/latest/index.html
http://live.gnome.org/PyGObject