--reversed-tree raises NotImplementedError

[tekumara]

What you were trying to do (and why)

--reversed-tree raises NotImplementedError

What happened (including command output)

Command output

$ pipgrip -vvv --reversed-tree
....

Traceback (most recent call last):
  File "/Users/tekumara/.local/bin/pipgrip", line 8, in <module>
    sys.exit(main())
  File "/Users/tekumara/.local/pipx/venvs/pipgrip/lib/python3.10/site-packages/click/core.py", line 1157, in __call__
    return self.main(*args, **kwargs)
  File "/Users/tekumara/.local/pipx/venvs/pipgrip/lib/python3.10/site-packages/click/core.py", line 1078, in main
    rv = self.invoke(ctx)
  File "/Users/tekumara/.local/pipx/venvs/pipgrip/lib/python3.10/site-packages/click/core.py", line 1434, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Users/tekumara/.local/pipx/venvs/pipgrip/lib/python3.10/site-packages/click/core.py", line 783, in invoke
    return __callback(*args, **kwargs)
  File "/Users/tekumara/.local/pipx/venvs/pipgrip/lib/python3.10/site-packages/pipgrip/cli.py", line 509, in main
    raise NotImplementedError()
NotImplementedError
<output here>

What you expected to happen

A tree with leaf nodes that are dependents rather than dependencies

Step-by-step reproduction instructions

[ddelange]

Hi @tekumara 👋 indeed, I never found a nice implementation for reverse_tree. There's now only pipgrip.cli.build_tree. The flag is there since the beginning (because pipdeptree had it, I wanted it too 😅).