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POself.user.user_id in the sample FB app throwing error
 

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  1. POself.user.user_id in the sample FB app throwing error
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    <p>My FB app code had broken after a Facebook <a href="https://developers.facebook.com/roadmap/" rel="nofollow noreferrer">October 2012 Breaking Change</a> and it got fixed by following a suggestion here: <a href="https://stackoverflow.com/questions/11810397/picture-property-format-using-run-with-friends-fb-app">Picture property format using run with friends fb app</a></p> <p>But interestingly, after fixing it, I am facing another issue in the same code (which I dont think existed earlier) I have searched through the <a href="https://developers.facebook.com/roadmap/" rel="nofollow noreferrer">Breaking Changes</a> but this issue doesnt seem to be discussed there as well. Its complaining of user_id not being an attribute of self.user in this line: <code>u'userIdOnServer': self.user.user_id if self.user else None</code>. I have searched through forums etc. but couldnt find a clue.</p> <p>Here's the error:</p> <p>C:\Program Files\Google\google_appengine\google\appengine\ext\webapp\util.py in run_bare_wsgi_app(application=)</p> <pre><code> 114 env["wsgi.multithread"] = False 115 env["wsgi.multiprocess"] = False =&gt; 116 result = application(env, _start_response) 117 if result is not None: 118 for data in result: result undefined, application = &lt;google.appengine.ext.webapp._webapp25.WSGIApplication object&gt;, env = {'APPENGINE_RUNTIME': 'python', 'APPLICATION_ID': 'dev~app', 'AUTH_DOMAIN': 'gmail.com', 'CONTENT_LENGTH': '-1', 'CONTENT_TYPE': 'application/x-www-form-urlencoded', 'CURRENT_VERSION_ID': '1.1', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'HTTP_ACCEPT_CHARSET': 'ISO-8859-1,utf-8;q=0.7,*;q=0.3', 'HTTP_ACCEPT_LANGUAGE': 'en-US,en;q=0.8', ...}, global _start_response = &lt;function _start_response&gt; C:\Program Files\Google\google_appengine\google\appengine\ext\webapp\_webapp25.py in __call__(self=&lt;google.appengine.ext.webapp._webapp25.WSGIApplication object&gt;, environ={'APPENGINE_RUNTIME': 'python', 'APPLICATION_ID': 'dev~app', 'AUTH_DOMAIN': 'gmail.com', 'CONTENT_LENGTH': '-1', 'CONTENT_TYPE': 'application/x-www-form-urlencoded', 'CURRENT_VERSION_ID': '1.1', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'HTTP_ACCEPT_CHARSET': 'ISO-8859-1,utf-8;q=0.7,*;q=0.3', 'HTTP_ACCEPT_LANGUAGE': 'en-US,en;q=0.8', ...}, start_response=&lt;function _start_response&gt;) 715 handler.error(501) 716 except Exception, e: =&gt; 717 handler.handle_exception(e, self.__debug) 718 else: 719 response.set_status(404) handler = &lt;__main__.RecentRunsHandler object&gt;, handler.handle_exception = &lt;bound method RecentRunsHandler.handle_exception of &lt;__main__.RecentRunsHandler object&gt;&gt;, e = AttributeError("**'dict' object has no attribute 'friends'",)**, self = &lt;google.appengine.ext.webapp._webapp25.WSGIApplication object&gt;, self.__debug undefined C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\ROOT\app\main.py in handle_exception(self=&lt;__main__.RecentRunsHandler object&gt;, ex=AttributeError("'dict' object has no attribute 'friends'",), debug_mode=True) 228 self.log_exception(ex) 229 self.render(u'error', =&gt; 230 trace=traceback.format_exc(), debug_mode=debug_mode) 231 232 def log_exception(self, ex): trace undefined, global traceback = &lt;module 'traceback' from 'C:\Python27\lib\traceback.pyc'&gt;, traceback.format_exc = &lt;function format_exc&gt;, debug_mode = True C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\ROOT\app\main.py in render(self=&lt;__main__.RecentRunsHandler object&gt;, name=u'error', **data={'debug_mode': True, 'trace': 'Traceback (most recent call last):\n File "C:\\Pr...eError: \'dict\' object has no attribute \'friends\'\n'}) 265 u'appId': conf.FACEBOOK_APP_ID, 266 u'canvasName': conf.FACEBOOK_CANVAS_NAME, =&gt; 267 u'userIdOnServer': self.user.user_id if self.user else None, 268 }) 269 data[u'logged_in_user'] = self.user self = &lt;__main__.RecentRunsHandler object&gt;, self.user = {u'id': u'100003906996287', u'name': u'Sudhir Jain'}, self.user.user_id undefined, builtin None = None **&lt;type 'exceptions.AttributeError'&gt;: 'dict' object has no attribute 'user_id' args = ("'dict' object has no attribute 'user_id'",) message = "'dict' object has no attribute 'user_id'"** </code></pre> <p><strong>And here's the rendering code (I am building off of runwithfriends sample app):</strong></p> <pre><code>def render(self, name, **data): """Render a template""" if not data: data = {} data[u'js_conf'] = json.dumps({ u'appId': conf.FACEBOOK_APP_ID, u'canvasName': conf.FACEBOOK_CANVAS_NAME, u'userIdOnServer': self.user.user_id if self.user else None, }) data[u'logged_in_user'] = self.user data[u'message'] = self.get_message() data[u'csrf_token'] = self.csrf_token data[u'canvas_name'] = conf.FACEBOOK_CANVAS_NAME self.response.out.write(template.render( os.path.join( os.path.dirname(__file__), 'templates', name + '.html'), data)) </code></pre> <p>Sorry, if I missed providing any information but I would be glad to provide other info/error logs that you suggest. Thanks in advance.</p>
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