python - post로 바이너리 업로드

출처 : https://code.google.com/p/uthcode/source/browse/trunk/python/urllib2-binary-upload.py?spec=svn533&r=533 import itertools

import mimetools

import mimetypes

from cStringIO import StringIO

import urllib

import urllib2

class MultiPartForm(object):

"""Accumulate the data to be used when posting a form."""

def __init__(self):

self.form_fields = []

self.files = []

self.boundary = mimetools.choose_boundary()

return

def get_content_type(self):

return 'multipart/form-data; boundary=%s' % self.boundary

def add_field(self, name, value):

"""Add a simple field to the form data."""

self.form_fields.append((name, value))

return

def add_file(self, fieldname, filename, fileHandle, mimetype=None):

"""Add a file to be uploaded."""

body = fileHandle.read()

if mimetype is None:

mimetype = mimetypes.guess_type(filename)[0] or 'application/octet-stream'

self.files.append((fieldname, filename, mimetype, body))

return

def __str__(self):

"""Return a string representing the form data, including attached files."""

# Build a list of lists, each containing "lines" of the

# request.  Each part is separated by a boundary string.

# Once the list is built, return a string where each

# line is separated by '\r\n'.

parts = []

part_boundary = '--' + self.boundary

# Add the form fields

parts.extend(

[ part_boundary,

'Content-Disposition: form-data; name="%s"' % name,

'',

value,

]

for name, value in self.form_fields

)

# Add the files to upload

parts.extend(

[ part_boundary,

'Content-Disposition: file; name="%s"; filename="%s"' % \

(field_name, filename),

'Content-Type: %s' % content_type,

'',

body,

]

for field_name, filename, content_type, body in self.files

)

# Flatten the list and add closing boundary marker,

# then return CR+LF separated data

flattened = list(itertools.chain(*parts))

flattened.append('--' + self.boundary + '--')

flattened.append('')

return '\r\n'.join(flattened)

if __name__ == '__main__':

# Create the form with simple fields

form = MultiPartForm()

form.add_field('firstname', 'Doug')

form.add_field('lastname', 'Hellmann')

# Add a fake file

form.add_file('biography', 'bio.txt',

fileHandle=StringIO('Python developer and blogger.'))

# Build the request

request = urllib2.Request('http://localhost:8080/')

request.add_header('User-agent', 'PyMOTW (http://www.doughellmann.com/PyMOTW/)')

body = str(form)

request.add_header('Content-type', form.get_content_type())

request.add_header('Content-length', len(body))

request.add_data(body)

print

print 'OUTGOING DATA:'

print request.get_data()

print

print 'SERVER RESPONSE:'

print urllib2.urlopen(request).read()