# File lib/twitter/rest/media.rb, line 18 def upload(media, options = {}) fail(Twitter::Error::UnacceptableIO.new) unless media.respond_to?(:to_io) base_url = 'https://upload.twitter.com' path = '/1.1/media/upload.json' conn = connection.dup conn.url_prefix = base_url headers = Twitter::Headers.new(self, :post, base_url + path, options).request_headers options[:media] = media conn.post(path, options) { |request| request.headers.update(headers) }.env.body[:media_id] end