class TypeWorker(QThread):
def __init__(self, *args):
QThread.__init__(self)
self.typeQueue = Queue()
self.regImage = re.compile("(JPEG|JPG|jpg|jpeg|GIF|gif|bmp|BMP|png|PNG|pbm|PBM|pgm|PGM|ppm|PPM|xpm|XPM|xbm|XBM|TIFF|tiff).*", re.IGNORECASE)
self.typeQueue = []
self.setUniq = set()
self.qmutex = QMutex()
self.qsem = QSemaphore()
def enqueue(self, parent, index, node):
self.qmutex.lock()
if long(node.this) not in self.setUniq:
self.typeQueue.insert(0, (parent, index, node))
self.setUniq.add(long(node.this))
self.qsem.release()
self.qmutex.unlock()
def clear(self):
self.qmutex.lock()
self.typeQueue = []
self.setUniq.clear()
self.qsem.acquire(self.qsem.available())
self.qmutex.unlock()
def get(self):
self.qsem.acquire()
self.qmutex.lock()
res = self.typeQueue.pop()
self.setUniq.remove(long(res[2].this))
self.qmutex.unlock()
return res
def isImage(self, ftype):
res = self.regImage.search(ftype)
return res
def run(self):
count = 0
while True:
(parent, index, node) = self.get()
if node.size():
ftype = str(node.dataType())
if parent.imagesthumbnails and self.isImage(ftype):
thumb = ImageThumb()
img = thumb.getImage(ftype, node, index)
if img:
parent.emit(SIGNAL('dataImage'), index, node, img)
