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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_autocall.py
67 lines | 1.4 KiB | text/x-python | PythonLexer
"""These kinds of tests are less than ideal, but at least they run.
This was an old test that was being run interactively in the top-level tests/
directory, which we are removing. For now putting this here ensures at least
we do run the test, though ultimately this functionality should all be tested
with better-isolated tests that don't rely on the global instance in iptest.
"""
from IPython.core.splitinput import LineInfo
from IPython.core.prefilter import AutocallChecker
def doctest_autocall():
"""
In [1]: def f1(a,b,c):
...: return a+b+c
...:
In [2]: def f2(a):
...: return a + a
...:
In [3]: def r(x):
...: return True
...:
In [4]: ;f2 a b c
Out[4]: 'a b ca b c'
In [5]: assert _ == "a b ca b c"
In [6]: ,f1 a b c
Out[6]: 'abc'
In [7]: assert _ == 'abc'
In [8]: print(_)
abc
In [9]: /f1 1,2,3
Out[9]: 6
In [10]: assert _ == 6
In [11]: /f2 4
Out[11]: 8
In [12]: assert _ == 8
In [12]: del f1, f2
In [13]: ,r a
Out[13]: True
In [14]: assert _ == True
In [15]: r'a'
Out[15]: 'a'
In [16]: assert _ == 'a'
"""
def test_autocall_should_ignore_raw_strings():
line_info = LineInfo("r'a'")
pm = ip.prefilter_manager
ac = AutocallChecker(shell=pm.shell, prefilter_manager=pm, config=pm.config)
assert ac.check(line_info) is None