parameters: (fields, files)
return_statement: return content_type, body
docstring: Encode form fields for multipart/form-data.
  
      Args:
        fields: A sequence of (name, value) elements for regular form fields.
        files: A sequence of (name, filename, value) elements for data to be
               uploaded as files.
      Returns:
        (content_type, body) ready for httplib.HTTP instance.
  
      Source:
        http://code.google.com/p/rietveld/source/browse/trunk/upload.py
docstring_summary: Encode form fields for multipart/form-data.
docstring_tokens: Encode form fields for multipart / form - data .
function: def _encode_multipart_form_data(fields, files):
      """Encode form fields for multipart/form-data.
  
      Args:
        fields: A sequence of (name, value) elements for regular form fields.
        files: A sequence of (name, filename, value) elements for data to be
               uploaded as files.
      Returns:
        (content_type, body) ready for httplib.HTTP instance.
  
      Source:
        http://code.google.com/p/rietveld/source/browse/trunk/upload.py
      """
      BOUNDARY = '-M-A-G-I-C---B-O-U-N-D-A-R-Y-'
      CRLF = '\r\n'
      lines = []
  
      for key, value in fields:
          lines.append('--' + BOUNDARY)
          lines.append('Content-Disposition: form-data; name="%s"' % key)
          lines.append('')
          if isinstance(value, unicode):
              value = value.encode('utf-8')
          lines.append(value)
  
      for key, filename, value in files:
          lines.append('--' + BOUNDARY)
          lines.append('Content-Disposition: form-data; name="%s"; filename="%s"' % (key, filename))
          lines.append('Content-Type: %s' % get_mime_type(filename))
          lines.append('')
          if isinstance(value, unicode):
              value = value.encode('utf-8')
          lines.append(value)
  
      lines.append('--' + BOUNDARY + '--')
      lines.append('')
      body = CRLF.join(lines)
      content_type = 'multipart/form-data; boundary=%s' % BOUNDARY
      return content_type, body
function_tokens: def _encode_multipart_form_data ( fields , files ) : BOUNDARY = '-M-A-G-I-C---B-O-U-N-D-A-R-Y-' CRLF = '\r\n' lines = [ ] for key , value in fields : lines . append ( '--' + BOUNDARY ) lines . append ( 'Content-Disposition: form-data; name="%s"' % key ) lines . append ( '' ) if isinstance ( value , unicode ) : value = value . encode ( 'utf-8' ) lines . append ( value ) for key , filename , value in files : lines . append ( '--' + BOUNDARY ) lines . append ( 'Content-Disposition: form-data; name="%s"; filename="%s"' % ( key , filename ) ) lines . append ( 'Content-Type: %s' % get_mime_type ( filename ) ) lines . append ( '' ) if isinstance ( value , unicode ) : value = value . encode ( 'utf-8' ) lines . append ( value ) lines . append ( '--' + BOUNDARY + '--' ) lines . append ( '' ) body = CRLF . join ( lines ) content_type = 'multipart/form-data; boundary=%s' % BOUNDARY return content_type , body