本文整理汇总了Python中qtpy.QtCore.QProcess.processEnvironment方法的典型用法代码示例。如果您正苦于以下问题：Python QProcess.processEnvironment方法的具体用法？Python QProcess.processEnvironment怎么用？Python QProcess.processEnvironment使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qtpy.QtCore.QProcess的用法示例。
在下文中一共展示了QProcess.processEnvironment方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: ProcessWorker
# 需要导入模块: from qtpy.QtCore import QProcess [as 别名]
# 或者: from qtpy.QtCore.QProcess import processEnvironment [as 别名]
class ProcessWorker(QObject):
"""Process worker based on a QProcess for non blocking UI."""
sig_started = Signal(object)
sig_finished = Signal(object, object, object)
sig_partial = Signal(object, object, object)
def __init__(self, cmd_list, environ=None):
"""
Process worker based on a QProcess for non blocking UI.
Parameters
----------
cmd_list : list of str
Command line arguments to execute.
environ : dict
Process environment,
"""
super(ProcessWorker, self).__init__()
self._result = None
self._cmd_list = cmd_list
self._fired = False
self._communicate_first = False
self._partial_stdout = None
self._started = False
self._timer = QTimer()
self._process = QProcess()
self._set_environment(environ)
self._timer.setInterval(150)
self._timer.timeout.connect(self._communicate)
self._process.readyReadStandardOutput.connect(self._partial)
def _get_encoding(self):
"""Return the encoding/codepage to use."""
enco = 'utf-8'
# Currently only cp1252 is allowed?
if WIN:
import ctypes
codepage = to_text_string(ctypes.cdll.kernel32.GetACP())
# import locale
# locale.getpreferredencoding() # Differences?
enco = 'cp' + codepage
return enco
def _set_environment(self, environ):
"""Set the environment on the QProcess."""
if environ:
q_environ = self._process.processEnvironment()
for k, v in environ.items():
q_environ.insert(k, v)
self._process.setProcessEnvironment(q_environ)
def _partial(self):
"""Callback for partial output."""
raw_stdout = self._process.readAllStandardOutput()
stdout = handle_qbytearray(raw_stdout, self._get_encoding())
if self._partial_stdout is None:
self._partial_stdout = stdout
else:
self._partial_stdout += stdout
self.sig_partial.emit(self, stdout, None)
def _communicate(self):
"""Callback for communicate."""
if (not self._communicate_first and
self._process.state() == QProcess.NotRunning):
self.communicate()
elif self._fired:
self._timer.stop()
def communicate(self):
"""Retrieve information."""
self._communicate_first = True
self._process.waitForFinished()
enco = self._get_encoding()
if self._partial_stdout is None:
raw_stdout = self._process.readAllStandardOutput()
stdout = handle_qbytearray(raw_stdout, enco)
else:
stdout = self._partial_stdout
raw_stderr = self._process.readAllStandardError()
stderr = handle_qbytearray(raw_stderr, enco)
result = [stdout.encode(enco), stderr.encode(enco)]
if PY2:
stderr = stderr.decode()
result[-1] = ''
self._result = result
if not self._fired:
self.sig_finished.emit(self, result[0], result[-1])
#.........这里部分代码省略.........