Setuptools Install Produces Syntax Errors on Template Files

[derks]

System Information

• Cement Version: main/3.0.7
• Python Version: 3.10

Steps to Reproduce (Bugs Only)

• docker run -it -v pwd:/src python:3.10
• cd /src
• python setup.py install

Produces:

Extracting cement-3.0.7-py3.10.egg to /usr/local/lib/python3.10/site-packages
  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/extension/ext_{{ label }}.py", line 6
    def {{ label }}_pre_run_hook(app):
        ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/plugin/{{ label }}/__init__.py", line 3
    from .controllers.{{ label }} import {{ class_name }}
                      ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/plugin/{{ label }}/controllers/{{ label }}.py", line 5
    class {{ class_name }}(Controller):
          ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/project/setup.py", line 3
    from {{ label }}.core.version import get_version
         ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/project/tests/test_{{ label }}.py", line 3
    from {{ label }}.main import {{ class_name }}Test
         ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/project/{{ label }}/main.py", line 4
    from .core.exc import {{ class_name }}Error
                          ^
SyntaxError: invalid syntax

  File "/usr/local/lib/python3.10/site-packages/cement-3.0.7-py3.10.egg/cement/cli/templates/generate/project/{{ label }}/core/exc.py", line 2
    class {{ class_name }}Error(Exception):
          ^
SyntaxError: invalid syntax

I believe this is setuptools attempting to byte-compile all *.py files... which obviously triggers syntax errors for files in cement/cli/templates/*.

[derks]

Might be something to try here (defining templates as package data might make setuptools skip them during byte compiling?):

• https://jwodder.github.io/kbits/posts/pypkg-data/