Revert of Fix pylint warnings in webkitpy/common/.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/file_uploader.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 32 matching lines @@
     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-'
+    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('--' + 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('--' + 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('--' + BOUNDARY + '--')
     lines.append('')
     body = CRLF.join(lines)
-    content_type = 'multipart/form-data; boundary=%s' % boundary
+    content_type = 'multipart/form-data; boundary=%s' % BOUNDARY
     return content_type, body
 
 
 class FileUploader(object):
 
     def __init__(self, url, timeout_seconds):
         self._url = url
         self._timeout_seconds = timeout_seconds
 
     def upload_single_text_file(self, filesystem, content_type, filename):
@@ skipping 10 matching lines @@
 
     def _upload_data(self, content_type, data):
         def callback():
             # FIXME: Setting a timeout, either globally using socket.setdefaulttimeout()
             # or in urlopen(), doesn't appear to work on Mac 10.5 with Python 2.7.
             # For now we will ignore the timeout value and hope for the best.
             request = urllib2.Request(self._url, data, {"Content-Type": content_type})
             return urllib2.urlopen(request)
 
         return NetworkTransaction(timeout_seconds=self._timeout_seconds).run(callback)