Das deutsche Python-Forum

Code: Alles auswählen

import matplotlib.pyplot as plt
import numpy as np
import io
import pandas as pd
import pyqtgraph as pg

from PyQt4 import QtCore, QtGui, uic

mainwindow_ui=uic.loadUiType("MainWindow.ui")[0]                        # Load GUI .ui file into the project

class MainWindow(QtGui.QMainWindow, mainwindow_ui):
  def __init__(self, parent=None):
    """pseudo constructor of main window"""
    QtGui.QMainWindow.__init__(self, parent)
    QtCore.QLocale.setDefault(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
    #print QtCore.QLocale.system().country()
    self.setupUi(self)
    self.tabWidget.setCurrentIndex(0)                                   # Tab-Index of Opening Window

Code: Alles auswählen

import sys
from PyQt4.QtCore import Qt
from PyQt4.QtGui import QApplication, QMainWindow, QDockWidget
from pyqtgraph import PlotWidget
import numpy as np

app = QApplication(sys.argv)

x = np.random.normal(size=1000)
y = np.random.normal(size=1000)
plot1 = PlotWidget()
plot1.plot(x, y, pen=None, symbol='o')
dock1 = QDockWidget("random")
dock1.setWidget(plot1)

x = np.linspace(0, 6*np.pi, 1000)
y = np.sin(x)
plot2 = PlotWidget()
plot2.plot(x, y)
dock2 = QDockWidget("sinus")
dock2.setWidget(plot2)

mainWindow = QMainWindow()
mainWindow.addDockWidget(Qt.LeftDockWidgetArea, dock1)
mainWindow.addDockWidget(Qt.LeftDockWidgetArea, dock2)
mainWindow.show()

app.exec_()

Code: Alles auswählen

import sys
from PyQt4.QtCore import Qt
from PyQt4.QtGui import QApplication, QMainWindow, QTabWidget
from pyqtgraph import PlotWidget
import numpy as np

app = QApplication(sys.argv)
tab = QTabWidget()

x = np.random.normal(size=1000)
y = np.random.normal(size=1000)
plot1 = PlotWidget()
plot1.plot(x, y, pen=None, symbol='o')
tab.insertTab(0, plot1, "random")

x = np.linspace(0, 6*np.pi, 1000)
y = np.sin(x)
plot2 = PlotWidget()
plot2.plot(x, y)
tab.insertTab(1, plot2, "sinus")

mainWindow = QMainWindow()
mainWindow.setCentralWidget(tab)
mainWindow.show()

app.exec_()

Code: Alles auswählen

ImportError: cannot import name PlotWidget

Code: Alles auswählen

QGraphicsProxyWidget::setWidget: cannot embed widget 0x9854858 which is not a toplevel widget, and is not a child of an embedded widget