jsocol · July 18, 2011 14:48 · Jul 18, 2011
diff --git a/data-uri.py b/data-uri.py
@@ -0,0 +1,41 @@
+#!/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)