Exif manipulation with pure python script.
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README.rst

Piexif

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To simplify exif manipulations with Python. Writing, reading, and more... Piexif is pure Python. To everywhere with Python.

Document: http://piexif.readthedocs.org/en/latest/

Online demo: http://piexif-demo.appspot.com/demo

Install

'easy_install':

$ easy_install piexif

or 'pip':

$ pip install piexif

or download .zip, extract it. Put 'piexif' directory into your environment.

Why Choose Piexif

How to Use

There are only just five functions.

  • load(filename) - Get exif data as dict.
  • dump(exif_dict) - Get exif as bytes.
  • insert(exif_bytes, filename) - Insert exif into JPEG, or WebP.
  • remove(filename) - Remove exif from JPEG, or WebP.
  • transplant(filename, filename) - Transplant exif from JPEG to JPEG.

Example

exif_dict = piexif.load("foo1.jpg")
for ifd in ("0th", "Exif", "GPS", "1st"):
    for tag in exif_dict[ifd]:
        print(piexif.TAGS[ifd][tag]["name"], exif_dict[ifd][tag])

With PIL(Pillow)

from PIL import Image
import piexif

im = Image.open(filename)
exif_dict = piexif.load(im.info["exif"])
# process im and exif_dict...
w, h = im.size
exif_dict["0th"][piexif.ImageIFD.XResolution] = (w, 1)
exif_dict["0th"][piexif.ImageIFD.YResolution] = (h, 1)
exif_bytes = piexif.dump(exif_dict)
im.save(new_file, "jpeg", exif=exif_bytes)

Environment

Tested on Python 2.7, 3.3, 3.4, 3.5, 3.6 and pypy3. Piexif would run even on IronPython. Piexif is OS independent and can run on Google App Engine.

License

This software is released under the MIT license, see LICENSE.txt.