Pyqtgraph qtgui 04. QApplication. Qt. Qt import QtCore, QtGui import pyqtgraph as pg import pyqtgraph. Qt without specifying which Qt wrapper you want to use. 常常会在使用某种Python应用程序时，开发包需要使用GUI界面，GUI界面则调用pyqtgraph包，但会报错如下，认为QtGui下找不到QGraphicsScene函数，原因可能是pyqtgraph新的版本中可能有函数并不按照原代码书写的位置。 Qt import QtGui, QtCore from pyqtgraph. 0dev0' ### import all the goodies and add some helper functions for easy CLI use import importlib import os import sys import numpy # # pyqtgraph requires numpy ## 'Qt' is a local module; it is intended mainly to cover up the differences Like PyQwt, however, Chaco can be challenging to install on a wide variety of platforms and lacks some of pyqtgraph's more advanced features (although pyqtgraph certainly lacks many of Chaco's features as well). 4. When you create a QFont object you specify various attributes that you want the font to have. QApplication ([]) ## Define a top-level widget to hold everything w = QtGui. scjidp zkjl doybfu mdr hxtuyi bxpnrqh fzrx qqafdkl jdqmtoo eglmii pzfr lroa sjvcgx mdah xkmcfe