Cannot install and use pygame zero

[garthE]

I am having serious problems with pygame and pygame zero:

1. pgzrun doesn't work ("bash: pgzrun: command not found)
   [x]I cannot install pgzero using pip (sudo: pip: command not found). But SOMETHING happens using pip3 (sudo pip3 install pgzero) -- see output below
   [x]Mu Editor CAN run pgzero programs (using the pygame zero 'mode') -- so did IT install an instance of pgzero for its exclusive use??
   

Output:
[b]The directory '/home/garth/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/garth/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting pgzero[/b]
  Downloading https://files.pythonhosted.org/packages/2c/66/bc46c203802d47fa30a6caa92d13392274bcbebbb9ffcd0c5ed8030b3611/pgzero-1.2.1-py3-none-any.whl (71kB)
    100% |████████████████████████████████| 71kB 1.1MB/s 
Collecting numpy (from pgzero)
  Downloading https://files.pythonhosted.org/packages/45/b2/6c7545bb7a38754d63048c7696804a0d947328125d81bf12beaa692c3ae3/numpy-1.19.5-cp36-cp36m-manylinux1_x86_64.whl (13.4MB)
    100% |████████████████████████████████| 13.4MB 52kB/s 
Collecting pygame~=2.0 (from pgzero)
  Downloading https://files.pythonhosted.org/packages/72/49/bd2fcbadb6a55bb24284bad4f530189401c99ffc234d51ba54756a776eb2/pygame-2.6.0.tar.gz (15.8MB)
    100% |████████████████████████████████| 15.8MB 44kB/s 
    Complete output from command python setup.py egg_info:
    Skipping Cython compilation
    
    
    WARNING, No "Setup" File Exists, Running "buildconfig/config.py"
    Using UNIX configuration...
    
    /bin/sh: 1: sdl2-config: not found
    /bin/sh: 1: sdl2-config: not found
    /bin/sh: 1: sdl2-config: not found
    /bin/sh: 1: pkg-config: not found
    /bin/sh: 1: pkg-config: not found
    /bin/sh: 1: pkg-config: not found
    /bin/sh: 1: freetype-config: not found
    /bin/sh: 1: freetype-config: not found
    /bin/sh: 1: freetype-config: not found
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-o5t45c01/pygame/setup.py", line 426, in <module>
        buildconfig.config.main(AUTO_CONFIG)
      File "/tmp/pip-build-o5t45c01/pygame/buildconfig/config.py", line 234, in main
        deps = CFG.main(**kwds, auto_config=auto)
      File "/tmp/pip-build-o5t45c01/pygame/buildconfig/config_unix.py", line 245, in main
        raise RuntimeError('Unable to run "sdl-config". Please make sure a development version of SDL is installed.')
    RuntimeError: Unable to run "sdl-config". Please make sure a development version of SDL is installed.
    
    Hunting dependencies...
    WARNING: "sdl2-config" failed!
    WARNING: "pkg-config freetype2" failed!
    WARNING: "freetype-config" failed!
    
    ---
    For help with compilation see:
        https://www.pygame.org/wiki/CompileUbuntu
    To contribute to pygame development see:
        https://www.pygame.org/contribute.html
    ---
    
    
    ----------------------------------------
[b]Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-o5t45c01/pygame/[/b]

The bold parts are in orange and red (respectively) in my terminal, so they must be 'important'.

Any suggestions? I was careful installing everything (I even keep a log) but it seems there are multiple instances of python, and the pgzero (and pygame) 'installations' are not matching up! Any help??

[menator01]

Make sure you are using the correct versions.
It's generally I good idea to use virtual environments when installing packages.
Example

Create a directory called test
cd test
python3 -m venv venv
source venv/bin/activate
pip install pygame

Then create your pygame script and execute

[garthE]

Make sure you are using the correct versions.

Thank you for your quick reply. However, I am still getting the EXACT same error as above (after following your steps).

My problems:
1) pgzero IS installed, since it WORKS with Mu Editor (unless Mu installs its own 'local' version -- which doesn't make sense)
2) ....BUT, I cannot use/see pgzrun from CL
3) I am unable to install pgzero (if I wanted to) using PIP (that is the error I get above, even in virtual environment)
4) when not in the virtual environment, I cannot even USE pip! ("command not found"), but it DOES work!
5) pygame itself is not quite right: Mu Editor is using pygame 1.9.4 (Python3), but Geany (with Python2) is using 2.0.3, and 2.6.0 (with Python3) in Thonny -- does this make sense? Does this matter for pgzero??

I'm really stuck here

[Larz60+]

try sudo python3 -m ensurepip

[garthE]

Thanks! I didn't try your suggestions since I think I found a 'fix' (after several days working on it). I wish I had tried your suggestion BEFORE 'fixing' it, so we could troubleshoot what was wrong.

(even though I had multiple problems: pgzrun not working, pygame doesn’t work with both python and python3, pip not working – cannot install modules, …)

Here was my ‘fix’ (but I’m not experienced enough to know WHICH fixed WHAT!)

update/install ‘missing’ python packages (python-pygame, python-pygame-sdl2, python-sdl2, python3-sdl2)
upgraded pip and setup_tools, then reinstalled python package (pgzero) through PIP
(something else, but I forgot?)

Anyway, ‘all’ of my python/IDE/pygame/pgzero problems seem to be fixed! I just wish I knew what was wrong (and why the above ‘fixes’ worked), especially since there was so many (seemingly independent) problems!

Thanks for replying with help.

[garthE]

try sudo python3 -m ensurepip

FYI, that didn't work (even though I did my 'fixes' and everything seems to be working now!) This is really weird.

Output:
ensurepip is disabled in Debian/Ubuntu for the system python.

Python modules for the system python are usually handled by dpkg and apt-get.

    apt-get install python-<module name>

Install the python-pip package to use pip itself.  Using pip together
with the system python might have unexpected results for any system installed
module, so use it on your own risk, or make sure to only use it in virtual
environments.

What does that tell you?

[Larz60+]

These packages are written by the community ( you can find author, and usually am e-mail address on PyPi.org.
It's best to contact the author with any issues.

[garthE]

These packages are written by the community ( you can find author, and usually am e-mail address on PyPi.org.
It's best to contact the author with any issues.

Thanks!