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    <title>topic Python to Qlik sense server connection refused after some requests through websocket. in Integration, Extension &amp; APIs</title>
    <link>https://community.qlik.com/t5/Integration-Extension-APIs/Python-to-Qlik-sense-server-connection-refused-after-some/m-p/14209#M212</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I'm currently working on python to Qlik server connection using JWT authentication method. It works fine for some 3 or 4 requests and then it shows error. I don't know what is wrong with it.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Also, I heard that try to use certificate authentication. but I &lt;SPAN style="font-size: 13.3333px;"&gt;don't know &lt;/SPAN&gt;how to use it with WebSocket. (please provide demo code if possible)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG style="text-decoration: underline;"&gt;please note that I cannot use a cookie to hold the session with Qlik server because my application is itself Django server and it cannot store a cookie.&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG style="text-decoration: underline;"&gt;&lt;BR /&gt;&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="font-size: 10pt;"&gt;below is my python code for authentication.&lt;/SPAN&gt;&lt;/P&gt;&lt;PRE __default_attr="python" __jive_macro_name="code" class="jive_macro_code jive_text_macro _jivemacro_uid_15209199390548398" jivemacro_uid="_15209199390548398" modifiedtitle="true"&gt;
&lt;P&gt;def __init__(self, senseHost, proxyPrefix, userDirectory, userId, privateKeyPath, ignoreCertErrors=False):&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; self.url = "wss://" + senseHost + "/" + proxyPrefix + "/app/"&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; privateKey = open(privateKeyPath).read()&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; sslOpts = {}&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; if ignoreCertErrors:&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; sslOpts = {"cert_reqs": ssl.CERT_NONE}&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; token = jwt.encode({'UserID': userId, 'UserDirectory': userDirectory}, privateKey, algorithm='RS256')&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; self.ws = create_connection(self.url, sslopt=sslOpts, header=['Authorization: BEARER ' + token.decode('utf-8')])&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; self.session = self.ws.recv()&lt;/P&gt;

&lt;/PRE&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Any help!&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;Bhargav Patel&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Tue, 13 Mar 2018 06:05:37 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2018-03-13T06:05:37Z</dc:date>
    <item>
      <title>Python to Qlik sense server connection refused after some requests through websocket.</title>
      <link>https://community.qlik.com/t5/Integration-Extension-APIs/Python-to-Qlik-sense-server-connection-refused-after-some/m-p/14209#M212</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I'm currently working on python to Qlik server connection using JWT authentication method. It works fine for some 3 or 4 requests and then it shows error. I don't know what is wrong with it.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Also, I heard that try to use certificate authentication. but I &lt;SPAN style="font-size: 13.3333px;"&gt;don't know &lt;/SPAN&gt;how to use it with WebSocket. (please provide demo code if possible)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG style="text-decoration: underline;"&gt;please note that I cannot use a cookie to hold the session with Qlik server because my application is itself Django server and it cannot store a cookie.&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG style="text-decoration: underline;"&gt;&lt;BR /&gt;&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="font-size: 10pt;"&gt;below is my python code for authentication.&lt;/SPAN&gt;&lt;/P&gt;&lt;PRE __default_attr="python" __jive_macro_name="code" class="jive_macro_code jive_text_macro _jivemacro_uid_15209199390548398" jivemacro_uid="_15209199390548398" modifiedtitle="true"&gt;
&lt;P&gt;def __init__(self, senseHost, proxyPrefix, userDirectory, userId, privateKeyPath, ignoreCertErrors=False):&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; self.url = "wss://" + senseHost + "/" + proxyPrefix + "/app/"&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; privateKey = open(privateKeyPath).read()&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; sslOpts = {}&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; if ignoreCertErrors:&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; sslOpts = {"cert_reqs": ssl.CERT_NONE}&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; token = jwt.encode({'UserID': userId, 'UserDirectory': userDirectory}, privateKey, algorithm='RS256')&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; self.ws = create_connection(self.url, sslopt=sslOpts, header=['Authorization: BEARER ' + token.decode('utf-8')])&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; self.session = self.ws.recv()&lt;/P&gt;

&lt;/PRE&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Any help!&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;Bhargav Patel&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 13 Mar 2018 06:05:37 GMT</pubDate>
      <guid>https://community.qlik.com/t5/Integration-Extension-APIs/Python-to-Qlik-sense-server-connection-refused-after-some/m-p/14209#M212</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2018-03-13T06:05:37Z</dc:date>
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