'Image' object has no attribute 'read'

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I want to use the images stored in a dictionary, to convert it to a GIF. The images in the dictionary is like this type:

people={
    1: <PIL.Image.Image image mode=RGBA size=16x16 at 0x10962C510>,
    2: <PIL.Image.Image image mode=RGBA size=16x16 at 0x1098D7F90>,
    3: <PIL.Image.Image image mode=RGBA size=16x16 at 0x1098D7F50>}

I think is a Pillow image. But why do I always get this error:

'Image' object has no attribute 'read'

What does it mean?

The full error:

File "/***view.py", line 266, in convert_gif
    new_frame = Image.open(imgs[count])
File "/***/python3.7/site-packages/PIL/Image.py", line 2775, in open
    prefix = fp.read(16)
AttributeError: 'Image' object has no attribute 'read' –

The code:

self._images = { 
    people: {
        1: <PIL.Image.Image image mode=RGBA size=16x16 at 0x10962C510>, 
        2: <PIL.Image.Image image mode=RGBA size=16x16 at 0x1098D7F90>, 
        3: <PIL.Image.Image image mode=RGBA size=16x16 at 0x1098D7F50>
    }
}

def convert_gif(self):

    imgs = self._images["people"]
    number = len(imgs)
    count=1

    while count <= number:
        new_frame = Image.open(imgs[count])
        self._frames.append(new_frame)
        count += 1

    self._frames[0].save('png_to_gif.gif', format='GIF', append_images=self._frames[1:], save_all=True, duration=300, loop=0)
python-imaging-library python-3.x python
1 Answers

As others have pointed out in the comments, the problem is this:

imgs = self._images["people"]
...
new_frame = Image.open(imgs[count])

The error comes from Image.open, which expects you to pass it a filename, a file object, or a pathlib.Path object as the 1st positional argument:

PIL.Image.open(fp, mode='r', formats=None)

Parameters

fp – A filename (string), pathlib.Path object or a file object. The file object must implement file.read, file.seek, and file.tell methods, and be opened in binary mode.

In Python, file objects have a read method, and Image.open simply calls that read method on the passed file object. It reads the image file and converts it to an Image object.

But if you check the type of imgs[count], it already is an Image object.

curr_img = imgs[count]
print(curr_img)  
# <PIL.JpegImagePlugin.JpegImageFile image mode=RGB size=240x160 at 0x7F5C00B74588>

And Image objects don't have a read method, and they shouldn't have one because the image data is already loaded into memory. You can now use Image-related functions on the object, like appending them to a list to create a GIF.

So simply remove the Image.open call and it's going to work as expected.

while count <= number:
    new_frame = imgs[count]
    self._frames.append(new_frame)
    count += 1
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