def _create_patch(self, patch_contents):
patch_path = os.path.join(self.svn_checkout_path, 'patch.diff')
write_into_file_at_path(patch_path, patch_contents)
patch = {}
patch['bug_id'] = '12345'
patch['url'] = 'file://%s' % urllib.pathname2url(patch_path)
attachment = Attachment(patch, None) # FIXME: This is a hack, scm.py shouldn't be fetching attachment data.
joe_cool = Committer(name="Joe Cool", email_or_emails=None)
attachment._reviewer = joe_cool
return attachment
