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Remove unhelpful warnings (#1646) 

* Remove warning about existing QApplication

* Remove reference to weave which we do not use

* Do away with opengl warning

* Remove weaveDebug config option
This commit is contained in:
Ogi Moore 2021-03-22 11:12:01 -07:00 committed by GitHub
parent a1eca4e2dd
commit 517d243166
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 2 additions and 9 deletions
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5
doc/source/config_options.rst
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@ -26,10 +26,7 @@ imageAxisOrder str 'col-major' For 'row-major', image
change in the future.
editorCommand str or None None Command used to invoke code editor from ConsoleWidget.
exitCleanup bool True Attempt to work around some exit crash bugs in PyQt and PySide.
useWeave bool False Use weave to speed up some operations, if it is available.
weaveDebug bool False Print full error message if weave compile fails.
useOpenGL bool False Enable OpenGL in GraphicsView. This can have unpredictable effects on stability
and performance.
useOpenGL bool False Enable OpenGL in GraphicsView.
useCupy bool False Use cupy to perform calculations on the GPU. Only currently applies to
ImageItem and its associated functions.
enableExperimental bool False Enable experimental features (the curious can search for this key in the code).

2
doc/source/images.rst
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@ -21,6 +21,6 @@ There are a few other methods for displaying images as well:
* Instances of :class:`~pyqtgraph.ImageItem` can be used inside a :class:`ViewBox <pyqtgraph.ViewBox>` or :class:`GraphicsView <pyqtgraph.GraphicsView>`.
* For higher performance, use :class:`~pyqtgraph.RawImageWidget`.
Any of these classes are acceptable for displaying video by calling setImage() to display a new frame. To increase performance, the image processing system uses scipy.weave to produce compiled libraries. If your computer has a compiler available, weave will automatically attempt to build the libraries it needs on demand. If this fails, then the slower pure-python methods will be used instead.
Any of these classes are acceptable for displaying video by calling setImage() to display a new frame.
For more information, see the classes listed above and the 'VideoSpeedTest', 'ImageItem', 'ImageView', and 'HistogramLUT' :ref:`examples`.

4
pyqtgraph/__init__.py
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@ -36,8 +36,6 @@ if 'linux' in sys.platform: ## linux has numerous bugs in opengl implementation
useOpenGL = False
elif 'darwin' in sys.platform: ## openGL can have a major impact on mac, but also has serious bugs
useOpenGL = False
if QtGui.QApplication.instance() is not None:
print('Warning: QApplication was created before pyqtgraph was imported; there may be problems.')
else:
useOpenGL = False ## on windows there's a more even performance / bugginess tradeoff.
@ -49,8 +47,6 @@ CONFIG_OPTIONS = {
'background': 'k', ## default background for GraphicsWidget
'antialias': False,
'editorCommand': None, ## command used to invoke code editor from ConsoleWidgets
'useWeave': False, ## Use weave to speed up some operations, if it is available
'weaveDebug': False, ## Print full error message if weave compile fails
'exitCleanup': True, ## Attempt to work around some exit crash bugs in PyQt and PySide
'enableExperimental': False, ## Enable experimental features (the curious can search for this key in the code)
'crashWarning': False, # If True, print warnings about situations that may result in a crash