A li'l class for data URI manipulation in Python
Project description
Data URI manipulation made easy.
This isn’t very robust, and will reject a number of valid data URIs. However, it meets the most useful case: a mimetype, a charset, and the base64 flag.
Installation
$ pip install python-datauriParsing
>>> from datauri import DataURI
>>> uri = DataURI('data:text/plain;charset=utf-8;base64,VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2cu')
>>> uri.mimetype
'text/plain'
>>> uri.charset
'utf-8'
>>> uri.is_base64
True
>>> uri.data
b'The quick brown fox jumped over the lazy dog.'Note that DataURI.data will always return bytes. Use DataURI.text to get a string.
Creating from a string
>>> from datauri import DataURI
>>> made = DataURI.make('text/plain', charset='us-ascii', base64=True, data='This is a message.')
>>> made
DataURI('data:text/plain;charset=us-ascii;base64,VGhpcyBpcyBhIG1lc3NhZ2Uu')
>>> made.data
b'This is a message.'Creating from a file
This is really just a convenience method.
>>> from datauri import DataURI
>>> png_uri = DataURI.from_file('somefile.png')
>>> png_uri.mimetype
'image/png'
>>> png_uri.data
b'\x89PNG\r\n...'Serializing
DataURI is a subclass of str, so you can just use str() to print it out:
>>> from datauri import DataURI
>>> png_uri = DataURI.from_file('somefile.png')
>>> str(png_uri)
'data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAASABIA...'Pydantic Support
You can use DataURI as a type for Pydantic:
from datauri import DataURI
from pydantic import BaseModel
class ProfilePicture(BaseModel):
image_data: DataURILicense
This code is released under the Unlicense.
Credits
This is a repackaging of this Gist originally written by Zachary Voase.
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