Changes between Version 9 and Version 10 of Python3Support

Timestamp:

Sep 3, 2018, 11:41:05 AM (6 years ago)

Author:

neteler

Comment:

be less cryptic for newbies

Python3Support

@@ -638 +638 @@
 cmp function is not available in Python3, it has been custom created and included in gui/wxpython/core/utils.py file. Be sure to include it where cmp() is used.
 
-== How to test
-We can create isolated environment with Python 3 for example using virtualenv:
-{{{
+== How to test ==
+
+We can rather easily create an isolated environment with Python3 using virtualenv which lets you test GRASS GIS with Python3 support while not cluttering your standard system.
+
+Installation of virtualenv-3:
+{{{
+# 1) generic, using pip (WHICH SYSTEM?)
 pip install virtualenv
+
+# 2) on Fedora
+sudo dnf install python3-virtualenv gtk3-devel gstreamer-devel gstreamer-plugins-base-devel
+
+# 3) on Debian
+apt-get install -y libgtk2.0-dev libgtk-3-dev \
+        libjpeg-dev libtiff-dev \
+        libsdl1.2-dev libgstreamer-plugins-base0.10-dev \
+        libnotify-dev freeglut3 freeglut3-dev libsm-dev \
+        libwebkitgtk-dev libwebkitgtk-3.0-dev
+}}}
+
+Preparation of the virtual Python3 environment:
+{{{
 # create environment
+
+# 1) on Ubuntu
 virtualenv -p python3 grasspy3
-# activate it
+# 2) on Fedora
+virtualenv-3 -p python3 grasspy3
+}}}
+
+Activating the virtual Python3 environment for testing:
+{{{
+# activate it (this will change the terminal prompt so that you know where you are...)
 source grasspy3/bin/activate
-# install python packages GRASS needs
+
+# now, within this environment
+# install required Python3 packages for GRASS GIS
 pip install wxpython
 pip install numpy
-# test GRASS and then deactivate the environment
+}}}
+
+We are now settled with the dependencies.
+
+Test GRASS GIS with Python3:
+{{{
+# just run it in the virtualenv-3 session
+grass76 --gui
+}}}
+
+In order to deactivate the virtualenv-3 environment, run
+{{{
 deactivate
 }}}