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.. include:: icons.rst
.. _gettingstarted:
===============
Getting Started
===============
To get things started we will try to run a very simple `GTK
<https://www.gtk.org/>`_ based GUI application using the :doc:`PyGObject <index>` provided
Python bindings. First create a small Python script called ``hello.py`` with
the following content and save it somewhere:
.. code:: python
import sys
import gi
gi.require_version("Gtk", "4.0")
from gi.repository import GLib, Gtk
class MyApplication(Gtk.Application):
def __init__(self):
super().__init__(application_id="com.example.MyGtkApplication")
GLib.set_application_name('My Gtk Application')
def do_activate(self):
window = Gtk.ApplicationWindow(application=self, title="Hello World")
window.present()
app = MyApplication()
exit_status = app.run(sys.argv)
sys.exit(exit_status)
Before we can run the example application we need to install PyGObject, GTK
and their dependencies. Follow the instructions for your platform below.
======================================================= ==================================================== ==========================================================
|ubuntu-logo| :ref:`Ubuntu <ubuntu-getting-started>` |fedora-logo| :ref:`Fedora <fedora-getting-started>` |arch-logo| :ref:`Arch Linux <arch-getting-started>`
|windows-logo| :ref:`Windows <windows-getting-started>` |macosx-logo| :ref:`macOS <macosx-getting-started>` |opensuse-logo| :ref:`openSUSE <opensuse-getting-started>`
======================================================= ==================================================== ==========================================================
After running the example application have a look at the "`Python GTK 3
Tutorial <https://python-gtk-3-tutorial.readthedocs.io>`__" for more examples
on how to create GTK apps and the "`PyGObject API Reference
<https://lazka.github.io/pgi-docs>`__" for API documentation for all supported
libraries. There are also typing stubs available here `PyGObject-stubs <https://pypi.org/project/PyGObject-stubs/>`_.
.. _windows-getting-started:
|windows-logo| Windows
----------------------
#) Go to http://www.msys2.org/ and download the x86_64 installer
#) Follow the instructions on the page for setting up the basic environment
#) Run ``C:\msys64\mingw64.exe`` - a terminal window should pop up
#) Execute ``pacman -Suy``
#) Execute ``pacman -S mingw-w64-x86_64-gtk4 mingw-w64-x86_64-python3 mingw-w64-x86_64-python3-gobject``
#) To test that GTK is working you can run ``gtk4-demo``
#) Copy the ``hello.py`` script you created to ``C:\msys64\home\<username>``
#) In the mingw32 terminal execute ``python3 hello.py`` - a window should appear.
.. figure:: images/start_windows.png
:scale: 60%
.. _ubuntu-getting-started:
|ubuntu-logo| Ubuntu / |debian-logo| Debian
-------------------------------------------
Installing the system provided PyGObject:
#) Open a terminal
#) Execute ``sudo apt install python3-gi python3-gi-cairo gir1.2-gtk-4.0``
#) Change the directory to where your ``hello.py`` script can be found (e.g. ``cd Desktop``)
#) Run ``python3 hello.py``
Installing from PyPI with pip:
#) Open a terminal and enter your virtual environment
#) Execute ``sudo apt install libgirepository1.0-dev gcc libcairo2-dev pkg-config python3-dev gir1.2-gtk-4.0``
to install the build dependencies and GTK
#) Execute ``pip3 install pycairo`` to build and install Pycairo
#) Execute ``pip3 install PyGObject`` to build and install PyGObject
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
.. figure:: images/start_linux.png
:scale: 60%
.. _fedora-getting-started:
|fedora-logo| Fedora
--------------------
Installing the system provided PyGObject:
#) Open a terminal
#) Execute ``sudo dnf install python3-gobject gtk4``
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
Installing from PyPI with pip:
#) Open a terminal and enter your virtual environment
#) Execute ``sudo dnf install gcc gobject-introspection-devel cairo-gobject-devel pkg-config python3-devel gtk4``
to install the build dependencies and GTK
#) Execute ``pip3 install pycairo`` to build and install Pycairo
#) Execute ``pip3 install PyGObject`` to build and install PyGObject
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
.. _arch-getting-started:
|arch-logo| Arch Linux
----------------------
Installing the system provided PyGObject:
#) Open a terminal
#) Execute ``sudo pacman -S python-gobject gtk4``
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
Installing from PyPI with pip:
#) Open a terminal and enter your virtual environment
#) Execute ``sudo pacman -S python cairo pkgconf gobject-introspection gtk4``
to install the build dependencies and GTK
#) Execute ``pip3 install pycairo`` to build and install Pycairo
#) Execute ``pip3 install PyGObject`` to build and install PyGObject
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
.. _opensuse-getting-started:
|opensuse-logo| openSUSE
------------------------
Installing the system provided PyGObject:
#) Open a terminal
#) Execute ``sudo zypper install python3-gobject python3-gobject-Gdk typelib-1_0-Gtk-4_0 libgtk-4-1``
#) Change the directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
Installing from PyPI with pip:
#) Open a terminal and enter your virtual environment
#) Execute ``sudo zypper install cairo-devel pkg-config python3-devel gcc gobject-introspection-devel``
to install the build dependencies and GTK
#) Execute ``pip3 install pycairo`` to build and install Pycairo
#) Execute ``pip3 install PyGObject`` to build and install PyGObject
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
.. _macosx-getting-started:
|macosx-logo| macOS
-------------------
#) Go to https://brew.sh/ and install homebrew
#) Open a terminal
#) Execute ``brew install pygobject3 gtk4``
#) Change the working directory to where your ``hello.py`` script can be found
#) Run ``python3 hello.py``
.. figure:: images/start_macos.png
:scale: 70%
----
For more details on how to use a virtualenv with PyGObject, see the
":ref:`devenv`" page.
|
