RPM Support

Ticket moved to GitHub: "pulp/pulp_rpm/2289":https://github.com/pulp/pulp_rpm/issues/2289

I have a Fedora 34 dev and attempted to use this guide to install pulp_rpm:

https://docs.pulpproject.org/pulp_rpm/installation.html#pip-install

And it didn't work. I received this error:

  Collecting pycairo
    Using cached pycairo-1.20.1.tar.gz (344 kB)
    Installing build dependencies: started
    Installing build dependencies: finished with status 'done'
    Getting requirements to build wheel: started
    Getting requirements to build wheel: finished with status 'done'
      Preparing wheel metadata: started
      Preparing wheel metadata: finished with status 'done'
  Building wheels for collected packages: pycairo
    Building wheel for pycairo (PEP 517): started
    Building wheel for pycairo (PEP 517): finished with status 'error'
    ERROR: Command errored out with exit status 1:
     command: /usr/local/lib/pulp/bin/python3 /tmp/tmpfubrvjp7_in_process.py build_wheel /tmp/tmpid7xark8
         cwd: /tmp/pip-install-tb3afgvo/pycairo_3f34975a189d4698b271667114eff756
    Complete output (15 lines):
    running bdist_wheel
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-3.9
    creating build/lib.linux-x86_64-3.9/cairo
    copying cairo/__init__.py -> build/lib.linux-x86_64-3.9/cairo
    copying cairo/__init__.pyi -> build/lib.linux-x86_64-3.9/cairo
    copying cairo/py.typed -> build/lib.linux-x86_64-3.9/cairo
    running build_ext
    Package cairo was not found in the pkg-config search path.
    Perhaps you should add the directory containing `cairo.pc'
    to the PKG_CONFIG_PATH environment variable
    Package 'cairo', required by 'virtual:world', not found
    Command '['pkg-config', '--print-errors', '--exists', 'cairo >= 1.15.10']' returned non-zero exit status 1.
    ----------------------------------------
    ERROR: Failed building wheel for pycairo
  Failed to build pycairo
  ERROR: Could not build wheels for pycairo which use PEP 517 and cannot be installed directly