class Process(QThread):
""" Process tries to identify paper size, image color and amount of pages.
It is a QThread for the purpose of avoiding freezing the GUI."""
processed = Signal(list)
def __init__(self, filelist, parent=None):
super(Process, self).__init__(parent)
self.filelist = filelist
self.image_data = []
self.files_not_processed = []
self.progressbar = Progressbar(len(self.filelist))
def run(self):
""" Files are filtered to process_pdf() and process_tif() method which
will return a list of image data to be appended to self.image_data.
Files that raised an exception are added into self.files_not_processed
that will be presented via ErrorDialog."""
self.progressbar.show()
progress_counter = 0
for filePathObj in self.filelist:
try:
if filePathObj.lower().endswith('.tif'):
self.image_data.append(self.process_tif(filePathObj))
elif filePathObj.lower().endswith('.pdf'):
self.image_data.append(self.process_pdf(filePathObj))
progress_counter += 1
self.progressbar.tick(progress_counter)
except Exception, e:
print "Virhe tiedostossa:", filePathObj
self.files_not_processed.append(filePathObj)
if len(self.files_not_processed) > 0:
self.error_dialog = ErrorDialog(self.files_not_processed)
self.error_dialog.exec_()
self.progressbar.close()
return self.processed.emit(self.image_data)
def __init__(self, filelist, parent=None):
super(Process, self).__init__(parent)
self.filelist = filelist
self.image_data = []
self.files_not_processed = []
self.progressbar = Progressbar(len(self.filelist))