Python QProcess.write方法代码示例

# 需要导入模块: from qtpy.QtCore import QProcess [as 别名]
# 或者: from qtpy.QtCore.QProcess import write [as 别名]
class ExternalSystemShell(ExternalShellBase):
    """External Shell widget: execute Python script in a separate process"""
    SHELL_CLASS = TerminalWidget
    started = Signal()
    
    def __init__(self, parent=None, wdir=None, path=[], light_background=True,
                 menu_actions=None, show_buttons_inside=True,
                 show_elapsed_time=True):
        ExternalShellBase.__init__(self, parent=parent, fname=None, wdir=wdir,
                                   history_filename='.history',
                                   light_background=light_background,
                                   menu_actions=menu_actions,
                                   show_buttons_inside=show_buttons_inside,
                                   show_elapsed_time=show_elapsed_time)
        
        # Additional python path list
        self.path = path
        
        # For compatibility with the other shells that can live in the external
        # console
        self.is_ipykernel = False
        self.connection_file = None

    def get_icon(self):
        return ima.icon('cmdprompt')

    def finish_process(self):
        while not self.process.waitForFinished(100):
            self.process.kill();

    def create_process(self):
        self.shell.clear()

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.MergedChannels)

        # PYTHONPATH (in case we use Python in this terminal, e.g. py2exe)
        env = [to_text_string(_path)
               for _path in self.process.systemEnvironment()]

        processEnvironment = QProcessEnvironment()
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)

        add_pathlist_to_PYTHONPATH(env, self.path)
        self.process.setProcessEnvironment(processEnvironment)                   

        
        # Working directory
        if self.wdir is not None:
            self.process.setWorkingDirectory(self.wdir)
            
        # Shell arguments
        if os.name == 'nt':
            p_args = ['/Q']
        else:
            p_args = ['-i']
            
        if self.arguments:
            p_args.extend( shell_split(self.arguments) )
        
        self.process.readyReadStandardOutput.connect(self.write_output)
        self.process.finished.connect(self.finished)
        self.kill_button.clicked.connect(self.process.kill)
        
        if os.name == 'nt':
            self.process.start('cmd.exe', p_args)
        else:
            # Using bash:
            self.process.start('bash', p_args)
            self.send_to_process('PS1="\\[email protected]\\h:\\w> "\n')
            
        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
        else:
            self.shell.setFocus()
            self.started.emit()
            
        return self.process
    
#===============================================================================
#    Input/Output
#===============================================================================
    def transcode(self, qba):
        if os.name == 'nt':
            return to_text_string( CP850_CODEC.toUnicode(qba.data()) )
        else:
            return ExternalShellBase.transcode(self, qba)
    
    def send_to_process(self, text):
        if not is_text_string(text):
            text = to_text_string(text)
        if text[:-1] in ["clear", "cls", "CLS"]:
            self.shell.clear()
            self.send_to_process(os.linesep)
            return
#.........这里部分代码省略.........

# 需要导入模块: from qtpy.QtCore import QProcess [as 别名]
# 或者: from qtpy.QtCore.QProcess import write [as 别名]

#.........这里部分代码省略.........
#            self.local_server.listen(str(id(self)))

        # User Module Deleter
        if self.is_interpreter:
            env.append('UMR_ENABLED=%r' % self.umr_enabled)
            env.append('UMR_NAMELIST=%s' % ','.join(self.umr_namelist))
            env.append('UMR_VERBOSE=%r' % self.umr_verbose)
            env.append('MATPLOTLIB_ION=True')
        else:
            if self.interact:
                env.append('MATPLOTLIB_ION=True')
            else:
                env.append('MATPLOTLIB_ION=False')

        # IPython kernel
        env.append('IPYTHON_KERNEL=%r' % self.is_ipykernel)

        # External interpreter
        env.append('EXTERNAL_INTERPRETER=%r' % self.external_interpreter)

        # Add sitecustomize path to path list
        pathlist = []
        scpath = osp.dirname(osp.abspath(__file__))
        pathlist.append(scpath)
        
        # Adding Spyder path
        pathlist += self.path
        
        # Adding path list to PYTHONPATH environment variable
        add_pathlist_to_PYTHONPATH(env, pathlist)

        #-------------------------Python specific------------------------------
                        
        self.process.readyReadStandardOutput.connect(self.write_output)
        self.process.readyReadStandardError.connect(self.write_error)
        self.process.finished.connect(lambda ec, es=QProcess.ExitStatus:
                                      self.finished(ec, es))
        self.sig_finished.connect(self.dialog_manager.close_all)
        self.terminate_button.clicked.connect(self.process.terminate)
        self.kill_button.clicked.connect(self.process.kill)
        
        #-------------------------Python specific------------------------------
        # Fixes for our Mac app:
        # 1. PYTHONPATH and PYTHONHOME are set while bootstrapping the app,
        #    but their values are messing sys.path for external interpreters
        #    (e.g. EPD) so we need to remove them from the environment.
        # 2. Set PYTHONPATH again but without grabbing entries defined in the
        #    environment (Fixes Issue 1321)
        # 3. Remove PYTHONOPTIMIZE from env so that we can have assert
        #    statements working with our interpreters (See Issue 1281)
        if running_in_mac_app():
            if MAC_APP_NAME not in self.pythonexecutable:
                env = [p for p in env if not (p.startswith('PYTHONPATH') or \
                                              p.startswith('PYTHONHOME'))] # 1.

                add_pathlist_to_PYTHONPATH(env, pathlist, drop_env=True)   # 2.
            env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')]   # 3.

        processEnvironment = QProcessEnvironment()
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)
        self.process.setProcessEnvironment(processEnvironment)                   
        self.process.start(self.pythonexecutable, p_args)
        #-------------------------Python specific------------------------------