How should I base64 encode a PDF file for transport over XML-RPC in Python?
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this is really a non-question, as xmlrpclib does this for youuser3850– user38502008-10-16 15:21:02 +00:00Commented Oct 16, 2008 at 15:21
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2Actually, that fact turned out to be the answer. I just didn't know about it when I asked the question.Pat Notz– Pat Notz2008-10-16 15:27:28 +00:00Commented Oct 16, 2008 at 15:27
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4 Answers
If you don't want to use the xmlrpclib's Binary class, you can just use the .encode() method of strings:
a = open("pdf_reference.pdf", "rb").read().encode("base64")
3 Comments
Ehtesh Choudhury
Doesn't this read the entire file by calling
read() before encoding it? Is that how it's supposed to work? I can't imagine encoding a multi-MB file or larger with this.
Tony Meyer
@Shurane it's a one-line example of using the encode method of strings. Optimising performance will be application specific and is left as an exercise.
Matt
this no longer works in Python 3, try this:
base64.b64encode(open('path/to/your.pdf', 'rb').read()) credit: stackoverflow.com/a/43084065/5125264Actually, after some more digging, it looks like the xmlrpclib module may have the piece I need with it's Binary helper class:
binary_obj = xmlrpclib.Binary( open('foo.pdf').read() )
Here's an example from the Trac XML-RPC documentation
import xmlrpclib
server = xmlrpclib.ServerProxy("http://athomas:password@localhost:8080/trunk/login/xmlrpc")
server.wiki.putAttachment('WikiStart/t.py', xmlrpclib.Binary(open('t.py').read()))
Comments
You can do it with the base64 library, legacy interface.
Comments
Looks like you might be able to use the binascii module
binascii.b2a_base64(data)
Convert binary data to a line of ASCII characters in base64 coding. The return value is the converted line, including a newline char. The length of data should be at most 57 to adhere to the base64 standard.
