本文整理汇总了Python中PyQt4.QtCore.QByteArray类的典型用法代码示例。如果您正苦于以下问题：Python QByteArray类的具体用法？Python QByteArray怎么用？Python QByteArray使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QByteArray类的15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: send_ctrl_to_process
def send_ctrl_to_process(self, letter):
char = chr("abcdefghijklmnopqrstuvwxyz".index(letter) + 1)
byte_array = QByteArray()
byte_array.append(char)
self.process.write(byte_array)
self.process.waitForBytesWritten(-1)
self.shell.write(locale_codec.toUnicode(byte_array), flush=True)示例2: read
def read(self, size):
content = self.content
self.content = ""
# content = string while the input parameter size in QByteArray
data = QByteArray(content)
data.chop(data.size() - size)
return str(data)示例3: send_ctrl_to_process
def send_ctrl_to_process(self, letter):
char = chr("abcdefghijklmnopqrstuvwxyz".index(letter) + 1)
byte_array = QByteArray()
byte_array.append(char)
self.process.write(byte_array)
self.process.waitForBytesWritten(-1)
self.shell.write(QString(byte_array))示例4: FriendFeedRequest
class FriendFeedRequest(QObject):
def __init__(self, reply, feed = False, parent = None):
QObject.__init__(self, parent)
self.reply = reply
self.feed = feed
self.connect(self.reply, SIGNAL("readyRead()"), self.readData)
self.connect(self.reply, SIGNAL("finished()"), self.dataDone)
self.data = QByteArray()
def readData(self):
self.data.append(self.reply.readAll())
def dataDone(self):
if self.reply.error() != QNetworkReply.NoError:
self.emit(SIGNAL("error"), self.reply.error())
else:
self.data.append(self.reply.readAll())
result = simplejson.loads(str(self.data).decode("utf-8"))
if self.feed:
date_properties = frozenset(("updated", "published"))
for entry in result.get("entries", []):
entry["updated"] = self._parse_date(entry["updated"])
entry["published"] = self._parse_date(entry["published"])
for comment in entry.get("comments", []):
comment["date"] = self._parse_date(comment["date"])
for like in entry.get("likes", []):
like["date"] = self._parse_date(like["date"])
result["entries"].sort(key = lambda x:x["updated"], reverse = True)
self.emit(SIGNAL("ready"), result)
self.emit(SIGNAL("cleanup"), self)
def _parse_date(self, date_str):
rfc3339_date = "%Y-%m-%dT%H:%M:%SZ"
return datetime.datetime(*time.strptime(date_str, rfc3339_date)[:6])示例5: qstring2path
def qstring2path (qs):
# BUG: this is ugly; might be properly handled w/PyQt4.6/Python2.6
qba= QByteArray ()
qba.append (qs)
s= str (qba)
return s示例6: dataReceive
def dataReceive(self):
while self.udpSocket.hasPendingDatagrams():
try:
datagram = QByteArray()
datagram.resize(self.udpSocket.pendingDatagramSize())
msglist = self.udpSocket.readDatagram(datagram.size())
if self.broadFlag == False:
continue
if len(msglist[0]) <= 21:
self.logger.info("msg data smaller")
continue
msg = msglist[0]
timetemp = msg[0:17]
datanumth = msg[17:19]
datatotalnum = msg[19:21]
datacontent = msg[21:]
self.addToLocal(timetemp,datanumth,datatotalnum,datacontent)
#del msg
#del datacontent
except Exception, e:
#del datacontent
f = open("/opt/morningcloud/massclouds/record.txt", 'a')
traceback.print_exc(file=f)
f.flush()
f.close()
self.logger.error(e.message) 示例7: dataReceive
def dataReceive(self):
while self.udpSocket.hasPendingDatagrams():
try:
if self.broadFlag == False:
continue
datagram = QByteArray()
datagram.resize(self.udpSocket.pendingDatagramSize())
msglist = self.udpSocket.readDatagram(datagram.size())
msg = msglist[0]
if len(msg) <= 21:
print "msg data smaller"
continue
timetemp = msg[0:17]
datanumth = msg[17:19]
datatotalnum = msg[19:21]
datacontent = msg[21:]
self.addToLocal(timetemp,datanumth,datatotalnum,datacontent)
del msg
del datacontent
except Exception, e:
del datacontent
self.logger.error(e.message) 示例8: from_QImage
def from_QImage(self, img):
buf = QByteArray()
bf = QBuffer(buf)
bf.open(QIODevice.WriteOnly)
img.save(bf, format='PNG')
self.buf = buf.data()
self.format = PackedQImage.FORMAT_PNG
self._encode()示例9: dataReceiveTwo
def dataReceiveTwo(self):
while self.udpSocketTwo.hasPendingDatagrams():
datagram = QByteArray()
datagram.resize(self.udpSocketTwo.pendingDatagramSize())
msglist = self.udpSocketTwo.readDatagram(datagram.size())
msg = str(msglist[0])
self.parseMsg(msg)示例10: AudioBuffer
class AudioBuffer(QIODevice):
def __init__(self, size):
QIODevice.__init__(self)
self.offset = 0
self.size_ = size
self.buffer_ = QByteArray(size, "\0")
self.real_len = 0
def receive_data(self, data):
self.writeData(data)
def set_size(self, size):
self.size_ = size
if len(self.buffer_) == 0:
self.buffer_ = QByteArray(size, "\0")
# Implementation of methods derived from QIODevice
def size(self):
return self.size_
def bytesAvailable(self):
avail = self.real_len
avail -= self.offset
#avail += super(AudioBuffer, self).bytesAvailable()
return max(avail, 0)
def readAll(self):
return QByteArray(self.buffer_)
def readData(self, maxlen):
while self.bytesAvailable() == 0:
qApp.processEvents()
time.sleep(0.01)
number = min(maxlen, len(self.buffer_) - self.offset)
data = self.buffer_[self.offset:self.offset + number]
self.offset += number
return str(data)
def writeData(self, data):
self.buffer_.replace(self.real_len, len(data), QByteArray(data))
self.real_len += len(data)
self.readyRead.emit()
def seek(self, pos):
if pos <= len(self.buffer_):
self.offset = pos
QIODevice.seek(self, pos)
return True
else:
return False
def isSequential(self):
return False
def pos(self):
return self.offset示例11: path2qurl
def path2qurl (path):
# path= '/home/mdione/media/music/Patricio Rey Y Sus Redonditos De Ricota/\xc3\x9altimo bondi a Finisterre/07- La peque\xf1a novia del carioca.wav'
qba= QByteArray (path)
qu= QUrl.fromEncoded (qba.toPercentEncoding ("/ "))
# older versions need this, at least for the gstreamer backend
if qu.scheme ()=='':
qu.setScheme ('file')
return qu示例12: pasted
def pasted(self, checked):
clipboard = QApplication.clipboard()
mime = clipboard.mimeData()
if mime.hasImage():
pixmap = clipboard.pixmap()
byteArray = QByteArray()
buffer = QBuffer(byteArray)
pixmap.save(buffer, "PNG")
self.call("setClipboard", str(byteArray.toBase64(), sys.stdout.encoding))示例13: __init__
def __init__(self, files_to_load):
QMainWindow.__init__(self)
self._inited = False
self._currentMatcher = None
self._lastMatch = None
global globalMainWindow
globalMainWindow = self
self.setWindowTitle(QApplication.applicationName())
self.setWindowIcon(QIcon(':/main/images/hex.png'))
self.subWidgets = []
self._activeSubWidget = None
self.tabsWidget = QTabWidget(self)
self.tabsWidget.setDocumentMode(True)
self.tabsWidget.setTabsClosable(True)
self.tabsWidget.setFocusPolicy(Qt.StrongFocus)
self.tabsWidget.currentChanged.connect(self._onTabChanged)
self.tabsWidget.tabCloseRequested.connect(self.closeTab)
self.setCentralWidget(self.tabsWidget)
self.setFocusProxy(self.tabsWidget)
self.setFocus()
QApplication.instance().focusChanged.connect(self._onGlobalFocusChanged)
self.createActions()
self.buildMenus()
self.buildStatusbar()
self.buildToolbar()
self.dockSearch = SearchDockWidget(self)
self.dockSearch.hide()
self.addDockWidget(Qt.BottomDockWidgetArea, self.dockSearch)
geom = globalQuickSettings['mainWindow.geometry']
if geom and isinstance(geom, str):
self.restoreGeometry(QByteArray.fromHex(geom))
else:
self.resize(800, 600)
state = globalQuickSettings['mainWindow.state']
if state and isinstance(state, str):
self.restoreState(QByteArray.fromHex(state))
app = QApplication.instance()
for file_to_load in files_to_load:
load_options = documents.FileLoadOptions()
load_options.readOnly = app.args.readOnly
load_options.freezeSize = app.args.freezeSize
if app.args.noLoadDialog:
self.openFile(file_to_load, load_options)
else:
self.openFileWithOptionsDialog(file_to_load, load_options)示例14: get_html_img
def get_html_img(scene):
"""
Create HTML img element with base64-encoded image from the scene
"""
byte_array = QByteArray()
filename = QBuffer(byte_array)
filename.open(QIODevice.WriteOnly)
PngFormat.write(filename, scene)
img_encoded = byte_array.toBase64().data().decode("utf-8")
return "<img src='data:image/png;base64,%s'/>" % img_encoded示例15: mimeData
def mimeData(self, items):
""" Returns QMimeData for drag and drop.
"""
logging.debug(self.__class__.__name__ + ": mimeData()")
mime = QMimeData()
encodedData = QByteArray()
for item in items:
encodedData.append(item.text(0))
mime.setData(self.mimeType(), encodedData)
return mime