def _Convert(self, profile):
source = self.files.get(profile.source)
if not source or not source.tempfile:
# convert only if tempfile
return False, ()
if not source:
return False, [_(u"Image not found: ") + profile.source]
p = DvPath()
p.SetUniqueTempFileName()
p.SetExtension(profile.extension)
destPath = str(p)
try:
try:
source.file.seek(0)
except:
pass
try:
iObj = Image.open(source)
except IOError:
# no file to be converted
return False, ()
iObj = iObj.convert("RGB")
# resize
size = [profile.width, profile.height]
if size[0] != 0 or size[1] != 0:
if size[0] == 0:
size[0] = size[1]
elif size[1] == 0:
size[1] = size[0]
x, y = iObj.size
if x > size[0]: y = y * size[0] / x; x = size[0]
if y > size[1]: x = x * size[1] / y; y = size[1]
size = x, y
iObj = iObj.resize(size, Image.ANTIALIAS)
iObj.save(destPath, profile.format)
try:
source.file.seek(0)
except:
pass
# file meta data
imgFile = open(destPath)
filename = DvPath(profile.dest+"_"+source.filename)
filename.SetExtension(profile.extension)
file = File(filekey=profile.dest,
filename=str(filename),
file=imgFile,
size=p.GetSize(),
path=destPath,
extension=profile.extension,
tempfile=True)
self.files.set(profile.dest, file)
finally:
# clean temp file
p.Delete()
return True, []
def test_tempfilename(self):
p = DvPath("file.txt")
p.SetUniqueTempFileName()
self.assert_(p.GetExtension() == "txt", p.GetExtension())
