class VirtualFieldFile(FieldFile):
def __init__(self, name, storage=None, upload_to=None):
super(FieldFile, self).__init__(None, name)
self.instance = None
self.field = FileField(name='file',
upload_to=upload_to,
storage=storage)
self.storage = self.field.storage
self._committed = True
def get_directory_name(self):
return self.field.get_directory_name()
def get_filename(self, filename):
return self.field.get_filename(filename)
def generate_filename(self, filename):
return self.field.generate_filename(None, filename)
def save(self, *args, **kwargs):
raise NotImplementedError
def delete(self, *args, **kwargs):
raise NotImplementedError
@cached_property
def dimensions(self):
try:
close = self.closed
self.open()
return get_image_dimensions(self, close=close)
except:
return (0, 0)
@cached_property
def width(self):
w, h = self.dimensions
return w
@cached_property
def height(self):
w, h = self.dimensions
return h
class VirtualFieldFile(FieldFile):
def __init__(self, name, storage=None, upload_to=None):
super(FieldFile, self).__init__(None, name)
self.instance = None
self.field = FileField(name='file', upload_to=upload_to, storage=storage)
self.storage = self.field.storage
self._committed = True
def get_directory_name(self):
return self.field.get_directory_name()
def get_filename(self, filename):
return self.field.get_filename(filename)
def generate_filename(self, filename):
return self.field.generate_filename(None, filename)
def save(self, *args, **kwargs):
raise NotImplementedError
def delete(self, *args, **kwargs):
raise NotImplementedError
@cached_property
def dimensions(self):
try:
pil_image = PIL.Image.open(self.path)
except:
return (0, 0)
else:
return pil_image.size
@cached_property
def width(self):
w, h = self.dimensions
return w
@cached_property
def height(self):
w, h = self.dimensions
return h
