def _read_output(self, error=False):
"""
Read otuput from QProcess.
Parameters
----------
error: bool, optional
Process QProcess output or error channels. Default is False.
"""
if error:
self.process.setReadChannel(QProcess.StandardError)
else:
self.process.setReadChannel(QProcess.StandardOutput)
qba = QByteArray()
while self.process.bytesAvailable():
if error:
qba += self.process.readAllStandardError()
else:
qba += self.process.readAllStandardOutput()
text = to_text_string(qba.data(), encoding='utf-8')
if error:
self.error_output += text
else:
self.output += text
def QImage_to_compressed_bytes(qimage, format):
"""
Compress QImage or QPixmap into bytes corresponding to a image file format (BMP,PNG,JPG)
To reconstruct the QImage or QPixamp :
image = QImage.fromData(data)
image = QImage() ; image.loadFromData(data)
image = QPixmap(); image.loadFromData(data)
The QImage.format will be preserved when loading only if in format in :
Format_Mono
Format_Indexed8
Format_RGB32
Format_ARGB32
Format_Grayscale8
"""
# https://stackoverflow.com/questions/24965646/convert-pyqt4-qtgui-qimage-object-to-base64-png-data
# https://stackoverflow.com/questions/57404778/how-to-convert-a-qpixmaps-image-into-a-bytes
qbytearray = QByteArray()
qbuffer = QBuffer(qbytearray)
qbuffer.open(QIODevice.WriteOnly)
ok = qimage.save(qbuffer, format)
assert ok
return qbytearray.data() # fait une copie ?
def read_output(self, error=False):
if error:
self.process.setReadChannel(QProcess.StandardError)
else:
self.process.setReadChannel(QProcess.StandardOutput)
qba = QByteArray()
while self.process.bytesAvailable():
if error:
qba += self.process.readAllStandardError()
else:
qba += self.process.readAllStandardOutput()
text = to_text_string(locale_codec.toUnicode(qba.data()))
if error:
self.error_output += text
else:
self.output += text
def read_output(self, error=False):
if error:
self.process.setReadChannel(QProcess.StandardError)
else:
self.process.setReadChannel(QProcess.StandardOutput)
qba = QByteArray()
while self.process.bytesAvailable():
if error:
qba += self.process.readAllStandardError()
else:
qba += self.process.readAllStandardOutput()
text = to_text_string( locale_codec.toUnicode(qba.data()) )
if error:
self.error_output += text
else:
self.output += text
def read_output(self, error=False):
if error:
self.process.setReadChannel(QProcess.StandardError)
else:
self.process.setReadChannel(QProcess.StandardOutput)
qba = QByteArray()
while self.process.bytesAvailable():
if error:
qba += self.process.readAllStandardError()
else:
qba += self.process.readAllStandardOutput()
text = str(qba.data(), 'utf-8')
if error:
self.error_output += text
else:
self.output += text
def _read_output(self, error=False):
process = self._process
if error:
process.setReadChannel(QProcess.StandardError)
else:
process.setReadChannel(QProcess.StandardOutput)
qba = QByteArray()
while process.bytesAvailable():
if error:
qba += process.readAllStandardError()
else:
qba += process.readAllStandardOutput()
text = str(qba.data(), "utf-8")
if error:
self.error_output += text
else:
self.output += text
self.update_actions()