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|
import contextlib
import warnings
from orangewidget.utils.progressbar import (
ProgressBarMixin as _ProgressBarMixin
)
from Orange.widgets import gui
__all__ = [
"ProgressBarMixin"
]
def _warn_deprecated_arg():
warnings.warn(
"'processEvents' argument is deprecated.\n"
"It does nothing and will be removed in the future (passing it "
"will raise a TypeError).",
FutureWarning, stacklevel=3,
)
class ProgressBarMixin(_ProgressBarMixin):
def progressBarInit(self, *args, **kwargs):
if args or kwargs:
_warn_deprecated_arg()
super().progressBarInit()
def progressBarSet(self, value, *args, **kwargs):
if args or kwargs:
_warn_deprecated_arg()
super().progressBarSet(value)
def progressBarAdvance(self, value, *args, **kwargs):
if args or kwargs:
_warn_deprecated_arg()
super().progressBarAdvance(value)
def progressBarFinished(self, *args, **kwargs):
if args or kwargs:
_warn_deprecated_arg()
super().progressBarFinished()
@contextlib.contextmanager
def progressBar(self, iterations=0):
"""
Context manager for progress bar.
Using it ensures that the progress bar is removed at the end without
needing the `finally` blocks.
Usage:
with self.progressBar(20) as progress:
...
progress.advance()
or
with self.progressBar() as progress:
...
progress.advance(0.15)
or
with self.progressBar():
...
self.progressBarSet(50)
:param iterations: the number of iterations (optional)
:type iterations: int
"""
progress_bar = gui.ProgressBar(self, iterations)
try:
yield progress_bar
finally:
progress_bar.finish()
|
