def ensureUniqueFilename(self, name, appendFormat="(%s)"):
assert('%s' in appendFormat)
info = QFileInfo(name)
if not info.exists():
return name
# QDir
dir_ = info.absoluteDir()
# QString
fileName = info.fileName()
idx = 1
while info.exists():
file_ = fileName
index = file_.rfind('.')
appendString = appendFormat % idx
if index == -1:
file_ += appendString
else:
file_ = file_[:index] + appendString + file_[index:]
info.setFile(dir_, file_)
idx += 1
return info.absoluteFilePath()
def iconFromFileName(self, fileName):
'''
@param: fileName QString
@return: QIcon
'''
tempInfo = QFileInfo(fileName)
suffix = tempInfo.suffix()
if suffix in self._s_iconCache:
return self._s_iconCache[suffix]
iconProvider = QFileIconProvider()
tempFile = DataPaths.path(DataPaths.Temp) + '/XXXXXX.' + suffix
tempFile.open()
tempInfo.setFile(tempFile.fileName())
icon = QIcon(iconProvider.icon(tempInfo))
self._s_iconCache[suffix] = icon
