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ENH: support for `PySide6` in `%gui` (#13864)...
ENH: support for `PySide6` in `%gui` (#13864) Addresses #13859 Changes here parallel the changes in [ipykernel](https://github.com/ipython/ipykernel/pull/1054), i.e. prefer `PyQt` over `PySide` and allow requesting explicit versions (e.g. 'qt5') with one difference (see below). I believe that, eventually, the Qt importing logic should be all here, and `ipykernel` should defer to`ipython`. I chose not to do that at this time since it would mean the latest `ipykernel` would require the latest `IPython`; I'm happy to discuss further. The only difference between `IPython` and `ipykernel`, after these two pull requests, is that, in `IPython`, it's not possible to explicitly request an event loop for Qt4. This is because an alias exists [here](https://github.com/ipython/ipython/blob/5409de68d87ddd073a35111aca0cb8360ff63ca8/IPython/terminal/pt_inputhooks/__init__.py#L5) which effectively makes "qt4" be "the latest Qt available". I did not remove the alias because I don't know the history behind it.

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test_splitinput.py
39 lines | 1.2 KiB | text/x-python | PythonLexer
# coding: utf-8
from IPython.core.splitinput import split_user_input, LineInfo
from IPython.testing import tools as tt
tests = [
("x=1", ("", "", "x", "=1")),
("?", ("", "?", "", "")),
("??", ("", "??", "", "")),
(" ?", (" ", "?", "", "")),
(" ??", (" ", "??", "", "")),
("??x", ("", "??", "x", "")),
("?x=1", ("", "?", "x", "=1")),
("!ls", ("", "!", "ls", "")),
(" !ls", (" ", "!", "ls", "")),
("!!ls", ("", "!!", "ls", "")),
(" !!ls", (" ", "!!", "ls", "")),
(",ls", ("", ",", "ls", "")),
(";ls", ("", ";", "ls", "")),
(" ;ls", (" ", ";", "ls", "")),
("f.g(x)", ("", "", "f.g", "(x)")),
("f.g (x)", ("", "", "f.g", "(x)")),
("?%hist1", ("", "?", "%hist1", "")),
("?%%hist2", ("", "?", "%%hist2", "")),
("??%hist3", ("", "??", "%hist3", "")),
("??%%hist4", ("", "??", "%%hist4", "")),
("?x*", ("", "?", "x*", "")),
]
tests.append(("Pérez Fernando", ("", "", "Pérez", "Fernando")))
def test_split_user_input():
return tt.check_pairs(split_user_input, tests)
def test_LineInfo():
"""Simple test for LineInfo construction and str()"""
linfo = LineInfo(" %cd /home")
assert str(linfo) == "LineInfo [ |%|cd|/home]"