


How to Access and Convert EXIF Data to Tag Names in Python?
Accessing EXIF Data in Python
When working with images, it's often necessary to retrieve information such as the camera model, exposure time, and other metadata. This data is stored in the image's EXIF (Exchangeable Image File Format) metadata.
To access EXIF data in Python using the PIL (Python Imaging Library), follow these steps:
Reading EXIF as a Dictionary
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Import the PIL module:
<code class="python">import PIL.Image</code>
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Open the image you want to extract data from:
<code class="python">img = PIL.Image.open('img.jpg')</code>
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Use the _getexif() method to retrieve the EXIF data as a dictionary indexed by EXIF numeric tags:
<code class="python">exif_data = img._getexif()</code>
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Converting Numeric Tags to Tag Names
If you prefer the dictionary keys to be the actual EXIF tag name strings, you can convert the numeric tags using the PIL.ExifTags module:
<code class="python">import PIL.ExifTags exif = { PIL.ExifTags.TAGS[k]: v for k, v in img._getexif().items() if k in PIL.ExifTags.TAGS }</code>
This will give you a dictionary with keys such as 'DateTimeOriginal' and 'Make' instead of numerical tags like 306 and 271.
The above is the detailed content of How to Access and Convert EXIF Data to Tag Names in Python?. For more information, please follow other related articles on the PHP Chinese website!

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