Created
July 18, 2011 14:48
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Give an image, get a data-uri
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#!/usr/bin/env python | |
"""Command line script to convert a file, usually an image, into a data URI | |
for use on the web.""" | |
import base64 | |
import mimetypes | |
import os | |
import sys | |
class FileNotFoundError(Exception): | |
pass | |
def img_to_data(path): | |
"""Convert a file (specified by a path) into a data URI.""" | |
if not os.path.exists(path): | |
raise FileNotFoundError | |
mime, _ = mimetypes.guess_type(path) | |
with open(path, 'rb') as fp: | |
data = fp.read() | |
data64 = u''.join(base64.encodestring(data).splitlines()) | |
return u'data:%s;base64,%s' % (mime, data64) | |
def usage(argv): | |
print 'Usage: %s <path-to-file>' % argv[0] | |
if __name__ == '__main__': | |
try: | |
path = sys.argv[1] | |
except IndexError: | |
usage(sys.argv) | |
sys.exit(1) | |
try: | |
print img_to_data(path) | |
except FileNotFoundError: | |
print 'File not found!' | |
sys.exit(2) |
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how to use this