import sys, os if __name__ == "__main__" and (__package__ is None or __package__==''): parent_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) sys.path.insert(0, parent_dir) import examples __package__ = "examples" import pyqtgraph as pg import subprocess from pyqtgraph.python2_3 import basestring from pyqtgraph.Qt import QtGui, QT_LIB from .utils import buildFileList, testFile, path, examples if QT_LIB == 'PySide': from .exampleLoaderTemplate_pyside import Ui_Form elif QT_LIB == 'PySide2': from .exampleLoaderTemplate_pyside2 import Ui_Form elif QT_LIB == 'PyQt5': from .exampleLoaderTemplate_pyqt5 import Ui_Form else: from .exampleLoaderTemplate_pyqt import Ui_Form class ExampleLoader(QtGui.QMainWindow): def __init__(self): QtGui.QMainWindow.__init__(self) self.ui = Ui_Form() self.cw = QtGui.QWidget() self.setCentralWidget(self.cw) self.ui.setupUi(self.cw) self.setWindowTitle("PyQtGraph Examples") self.codeBtn = QtGui.QPushButton('Run Edited Code') self.codeLayout = QtGui.QGridLayout() self.ui.codeView.setLayout(self.codeLayout) self.codeLayout.addItem(QtGui.QSpacerItem(100,100,QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Expanding), 0, 0) self.codeLayout.addWidget(self.codeBtn, 1, 1) self.codeBtn.hide() global examples self.itemCache = [] self.populateTree(self.ui.exampleTree.invisibleRootItem(), examples) self.ui.exampleTree.expandAll() self.resize(1000,500) self.show() self.ui.splitter.setSizes([250,750]) self.ui.loadBtn.clicked.connect(self.loadFile) self.ui.exampleTree.currentItemChanged.connect(self.showFile) self.ui.exampleTree.itemDoubleClicked.connect(self.loadFile) self.ui.codeView.textChanged.connect(self.codeEdited) self.codeBtn.clicked.connect(self.runEditedCode) def populateTree(self, root, examples): for key, val in examples.items(): item = QtGui.QTreeWidgetItem([key]) self.itemCache.append(item) # PyQt 4.9.6 no longer keeps references to these wrappers, # so we need to make an explicit reference or else the .file # attribute will disappear. if isinstance(val, basestring): item.file = val else: self.populateTree(item, val) root.addChild(item) def currentFile(self): item = self.ui.exampleTree.currentItem() if hasattr(item, 'file'): global path return os.path.join(path, item.file) return None def loadFile(self, edited=False): extra = [] qtLib = str(self.ui.qtLibCombo.currentText()) gfxSys = str(self.ui.graphicsSystemCombo.currentText()) if qtLib != 'default': extra.append(qtLib.lower()) elif gfxSys != 'default': extra.append(gfxSys) if edited: path = os.path.abspath(os.path.dirname(__file__)) proc = subprocess.Popen([sys.executable, '-'] + extra, stdin=subprocess.PIPE, cwd=path) code = str(self.ui.codeView.toPlainText()).encode('UTF-8') proc.stdin.write(code) proc.stdin.close() else: fn = self.currentFile() if fn is None: return if sys.platform.startswith('win'): os.spawnl(os.P_NOWAIT, sys.executable, '"'+sys.executable+'"', '"' + fn + '"', *extra) else: os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, fn, *extra) def showFile(self): fn = self.currentFile() if fn is None: self.ui.codeView.clear() return if os.path.isdir(fn): fn = os.path.join(fn, '__main__.py') text = open(fn).read() self.ui.codeView.setPlainText(text) self.ui.loadedFileLabel.setText(fn) self.codeBtn.hide() def codeEdited(self): self.codeBtn.show() def runEditedCode(self): self.loadFile(edited=True) def run(): app = QtGui.QApplication([]) loader = ExampleLoader() app.exec_() if __name__ == '__main__': args = sys.argv[1:] if '--test' in args: # get rid of orphaned cache files first pg.renamePyc(path) files = buildFileList(examples) if '--pyside' in args: lib = 'PySide' elif '--pyqt' in args or '--pyqt4' in args: lib = 'PyQt4' elif '--pyqt5' in args: lib = 'PyQt5' else: lib = '' exe = sys.executable print("Running tests:", lib, sys.executable) for f in files: testFile(f[0], f[1], exe, lib) else: run()