def checkFile(self, context, path, name):
import PIL.Image, os
try:
image = PIL.Image.open(open(path))
except IOError:
from PPA.Template.Cook import quoteHTML
return {}, {context.nameInForm: "Broken image in %s" % quoteHTML(name)}
if self.action and (self.height and self.width):
format = image.format
transform = getattr(self, "_transform_%s" % self.action)
image, error = transform(image)
if image:
from cStringIO import StringIO
f = StringIO()
image.save(f, format)
open(path, "w").write(f.getvalue())
elif error:
return {}, {context.nameInForm: error}
return {context.name: self._File(tmpname=path, remotename=name)}, {}
def __get__(self, inst, cls):
value = getattr(inst, '_elementAttributes', {})
return ' '.join(
['%s="%s"' % (k,quoteHTML(unicode(v))) for (k,v) in value.items()])
