def test_examples(fname):
"""Make sure that all code cells in documentation perform as expected."""
app = use_app()
app.start_timer(0, app.quit)
if "OLD" in fname:
with pytest.warns(FutureWarning):
assert runpy.run_path(fname)
else:
assert runpy.run_path(fname)
def test_examples(fname):
"""Make sure that all code cells in documentation perform as expected."""
app = use_app()
app.start_timer(0, app.quit)
if "OLD" in fname:
with pytest.warns(FutureWarning):
runpy.run_path(fname)
else:
try:
runpy.run_path(fname)
except ImportError as e:
if "Numpy required to use images" in str(e):
pytest.skip("numpy unavailable: skipping image example")
def _label_width():
measure = use_app().get_obj("get_text_width")
return max(
measure(w.label) for w in container
if not isinstance(w, widgets._bases.ButtonWidget))
A = "a"
B = "b"
@pytest.mark.parametrize("Cls", [widgets.ComboBox, widgets.RadioButtons])
def test_categorical_widgets_with_enums(Cls):
wdg = Cls(value=MyEnum.A, choices=MyEnum)
wdg.changed = MagicMock(wraps=wdg.changed)
assert isinstance(wdg, widgets._bases.CategoricalWidget)
assert wdg.value == MyEnum.A
assert wdg.current_choice == "A"
wdg.changed.assert_not_called()
wdg.value = MyEnum.B
wdg.changed.assert_called_once()
assert wdg.changed.call_args[1].get("value") == MyEnum.B
assert wdg.value == MyEnum.B
assert wdg.current_choice == "B"
assert wdg.choices == tuple(MyEnum.__members__.values())
@pytest.mark.skipif(use_app().backend_name != "qt", reason="only on qt")
def test_radiobutton_reset_choices():
"""Test that reset_choices doesn't change the number of buttons."""
from qtpy.QtWidgets import QRadioButton
wdg = widgets.RadioButtons(choices=["a", "b", "c"])
assert len(wdg.native.findChildren(QRadioButton)) == 3
wdg.reset_choices()
assert len(wdg.native.findChildren(QRadioButton)) == 3
def test_app_name():
app = use_app("qt")
assert app.native.applicationName() == APPLICATION_NAME
"""FileDialog with magicgui."""
from pathlib import Path
from typing import Sequence
from magicgui import magicgui, use_app
@magicgui(filename={"mode": "r"})
def filepicker(filename=Path("~")):
"""Take a filename and do something with it."""
print("The filename is:", filename)
return filename
# Sequence of paths
# We change the label using "label" for added clarity
# the filter argument restricts file types
@magicgui(filenames={"label": "Choose Tiff files:", "filter": "*.tif"})
def filespicker(filenames: Sequence[Path]):
"""Take a filename and do something with it."""
print("The filenames are:", filenames)
return filenames
filepicker.show()
filespicker.show()
filepicker.filename.changed.connect(lambda e: print(e.value))
filespicker.filenames.changed.connect(lambda e: print(e.value))
use_app().run()