49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
## make this version of pyqtgraph importable before any others
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## we do this to make sure that, when running examples, the correct library
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## version is imported (if there are multiple versions present).
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import sys, os
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import importlib
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if not hasattr(sys, 'frozen'):
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if __file__ == '<stdin>':
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path = os.getcwd()
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else:
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path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
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path.rstrip(os.path.sep)
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if 'pyqtgraph' in os.listdir(path):
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sys.path.insert(0, path) ## examples adjacent to pyqtgraph (as in source tree)
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else:
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for p in sys.path:
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if len(p) < 3:
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continue
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if path.startswith(p): ## If the example is already in an importable location, promote that location
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sys.path.remove(p)
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sys.path.insert(0, p)
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## should force example to use PySide instead of PyQt
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for module in ['PyQt5', 'PySide2', 'PySide6', 'PyQt6']:
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if module.lower() in sys.argv:
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QtGui = importlib.import_module(module + '.QtGui')
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break
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else:
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from pyqtgraph.Qt import QtGui
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import pyqtgraph as pg
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## Force use of a specific graphics system
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use_gs = 'default'
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for gs in ['raster', 'native', 'opengl']:
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if gs in sys.argv:
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use_gs = gs
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QtGui.QApplication.setGraphicsSystem(gs)
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break
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print("Using %s (%s graphics system)" % (pg.Qt.QT_LIB, use_gs))
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## Enable fault handling to give more helpful error messages on crash.
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## Only available in python 3.3+
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try:
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import faulthandler
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faulthandler.enable()
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except ImportError:
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pass |