class PicasaFieldFile(FieldFile):
SIZES = (32, 48, 64, 72, 94, 104, 110, 128, 144, 150, 160, 200, 220, 288, 320, 400, 512, 576, 640, 720, 800, 912, 1024, 1152, 1280, 1440, 1600)
sizeRE = re.compile(r'src_(\d+)$')
def __init__(self, *args, **kwargs):
super(PicasaFieldFile, self).__init__(*args, **kwargs)
self.storage = PicasaStorage()
def photo(self):
return self.storage.entry(self.name)
def __getattr__(self, name):
match = self.sizeRE.match(name)
if match:
size = int(match.group(1))
return self.src(size=size)
return super(PicasaFieldFile, self).__getattr__(name)
def src(self, size=None):
img_url = self.storage.url(self.name)
if size is not None:
try:
size = self.SIZES[bisect(self.SIZES, size-1)]
except IndexError:
size = self.SIZES[-1]
url, img = img_url.rsplit ('/',1)
return '%s/s%d/%s' %(url, size, img)
return img_url
def _url(self):
return self.photo().GetHtmlLink().href
url = property(_url)
class PicasaAdminImageWidget(AdminFileWidget):
# A FileField Widget that displays an image instead of a file path
# if the current file is an image.
storage = PicasaStorage()
SIZE=64
def render(self, name, photo, attrs=None):
output = []
if photo:
src = photo.src(self.SIZE)
try: # is image
output.append(r'<a target="_blank" href="%s"><img src="%s" align="left" valign="middle" /></a>' % (photo.url, src))
#output.append('%s <a target="_blank" href="%s">%s</a> <br/>%s' % (_('Currently:'), file_path, file_name, _('Change:')))
except:
output.append('Not an image ')
else:
output.append('Add:')
output.append(super(AdminFileWidget, self).render(name, photo, attrs))
return mark_safe(u''.join(output))
def __init__(self, *args, **kwargs):
super(PicasaFieldFile, self).__init__(*args, **kwargs)
self.storage = PicasaStorage()
def __init__(self, *args, **kwargs):
super(PicasaFieldFile, self).__init__(*args, **kwargs)
self.storage = PicasaStorage()
