WIP Update nodes.py for supporting unicode nodeid

[liuchunming033]

support unicode

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[RonnyPfannschmidt]

hi @liuchunming033 ,

i presume you are trying to make pytest ready for use with your native language, which is a great goal 👍

as the failed test shows, there are probably a few more unfortunate assumptions in the codebase about unicode names and unicode test names, in particular with the way that bytes are encoded in test names as well

so i fear there is going to be quite a chunk of unexpected work and extra test writing needed to make the handling of this solid

while we do have some good results with unicode in parameters,
we don't yet have any deeper experience with unicode in the function and test names in general,

so i'm thrilled to see someone affected with those details taking a closer look

as at least i am pretty ascii centric and cant even hope to do this due diligence as of now
(after all its incredibly easy to miss a detail of unicode if all you personally work with is ascii)

[nicoddemus]

I would hold this until we drop Python 2 support, because while it is possible, there are too many gotchas in Python 2 to support this sanely.

[liuchunming033]

Goals achieved which I use my native language describe my test case name.
I implement this hook,：

@pytest.fixture(scope="session")
def pytest_collection_modifyitems(items):
    for item in items:
        item.name = item.name.encode("utf-8").decode("unicode_escape")
    return pytest_collection_modifyitems

[nicoddemus]

Hi @liuchunming033,

It has been a long time since it has last seen activity, plus we have made sweeping changes on master to drop Python 2.7 and 3.4 support, so this PR has some conflicts which require attention. You might give this another go now that master only supports Python 3.5+.

In order to clear up our queue and let us focus on the active PRs, I'm closing this PR for now.

Please don't consider this a rejection of your PR, we just want to get this out of sight until you have the time to tackle this again. If you get around to work on this in the future, please don't hesitate in re-opening this!

Thanks for your work, the team definitely appreciates it!