App.py 文件源码

def handle_ref_error(self):
        try:
            if os.stat(self.ref).st_size>0:
                with open(self.ref) as f:
                    for i in range(2):
                        line=f.next().strip()
                        if i == 0 and line[0]!='>':
                            return QtGui.QMessageBox.question(self, 'Error !', 'Please check your input reference !',
                            QtGui.QMessageBox.Ok)
                        if i == 1 and len(re.findall("[^ATGCN]", line.upper()))>0:
                            return QtGui.QMessageBox.question(self, 'Error !', 'Please check your input reference !',
                            QtGui.QMessageBox.Ok)
            else:
                return QtGui.QMessageBox.question(self, 'Warning !', 'The selected reference file is empty, please check !',
                QtGui.QMessageBox.Ok)
        except:
            return QtGui.QMessageBox.question(self, 'Error !', 'Please input a reference file !',
            QtGui.QMessageBox.Ok)