<h3>Description</h3>
<p>When using the Python3 extension for KEMI, <code>registrar.save</code> complains about an unknown location: <code>registrar [api.c:44]: regapi_save(): usrloc domain [location] not found</code>. Saving the user location works without problems in the core scripting language.</p>
<h3>Troubleshooting</h3>
<h4>Reproduction</h4>
<p>Here is a fairly minimal Python3 script:</p>
<div class="highlight highlight-source-python"><pre><span class="pl-k">import</span> <span class="pl-c1">KSR</span> <span class="pl-k">as</span> <span class="pl-c1">KSR</span>
<span class="pl-k">def</span> <span class="pl-en">mod_init</span>():
<span class="pl-c1">KSR</span>.info(<span class="pl-s"><span class="pl-pds">"</span>===== from Python mod init<span class="pl-cce">\n</span><span class="pl-pds">"</span></span>)
<span class="pl-k">return</span> kamailio()
<span class="pl-k">class</span> <span class="pl-en">kamailio</span>:
<span class="pl-k">def</span> <span class="pl-c1">__init__</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>):
<span class="pl-c1">KSR</span>.info(<span class="pl-s"><span class="pl-pds">'</span>===== kamailio.__init__<span class="pl-cce">\n</span><span class="pl-pds">'</span></span>)
<span class="pl-k">def</span> <span class="pl-en">child_init</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>, <span class="pl-smi">rank</span>):
<span class="pl-c1">KSR</span>.info(<span class="pl-s"><span class="pl-pds">'</span>===== kamailio.child_init(<span class="pl-c1">%d</span>)<span class="pl-cce">\n</span><span class="pl-pds">'</span></span> <span class="pl-k">%</span> rank)
<span class="pl-k">return</span> <span class="pl-c1">0</span>
<span class="pl-k">def</span> <span class="pl-en">ksr_request_route</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>, <span class="pl-smi">msg</span>):
<span class="pl-c1">KSR</span>.hdr.remove(<span class="pl-s"><span class="pl-pds">'</span>Route<span class="pl-pds">'</span></span>)
<span class="pl-k">if</span> <span class="pl-c1">KSR</span>.is_method(<span class="pl-s"><span class="pl-pds">'</span>INVITE<span class="pl-pds">'</span></span>):
<span class="pl-c1">KSR</span>.rr.record_route()
<span class="pl-k">if</span> <span class="pl-k">not</span> <span class="pl-c1">KSR</span>.is_myself_ruri():
<span class="pl-c1">KSR</span>.info(<span class="pl-s">f</span><span class="pl-pds">'</span><span class="pl-s">Relaying to foreign domain: to=</span><span class="pl-c1">{</span>msg.<span class="pl-c1">RURI</span><span class="pl-c1">}</span><span class="pl-s"> method=</span><span class="pl-c1">{</span>msg.Method<span class="pl-c1">}</span><span class="pl-cce">\n</span><span class="pl-pds">'</span>)
<span class="pl-k">return</span> <span class="pl-c1">self</span>.relay(msg)
<span class="pl-k">if</span> <span class="pl-c1">KSR</span>.is_method(<span class="pl-s"><span class="pl-pds">"</span>REGISTER<span class="pl-pds">"</span></span>):
<span class="pl-k">return</span> <span class="pl-c1">self</span>.registration(msg)
<span class="pl-c1">KSR</span>.registrar.lookup(<span class="pl-s"><span class="pl-pds">"</span>location<span class="pl-pds">"</span></span>)
<span class="pl-c1">KSR</span>.sl.send_reply(<span class="pl-c1">100</span>, <span class="pl-s"><span class="pl-pds">"</span>Trying<span class="pl-pds">"</span></span>)
<span class="pl-k">return</span> <span class="pl-c1">self</span>.relay(msg)
<span class="pl-k">def</span> <span class="pl-en">ksr_reply_route</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>, <span class="pl-smi">msg</span>):
<span class="pl-c1">KSR</span>.info(<span class="pl-s">f</span><span class="pl-pds">'</span><span class="pl-s">Received response: from=</span><span class="pl-c1">{</span>msg.src_address<span class="pl-c1">}</span><span class="pl-s"> status=</span><span class="pl-c1">{</span>msg.Status<span class="pl-c1">}</span><span class="pl-cce">\n</span><span class="pl-pds">'</span>)
<span class="pl-k">return</span> <span class="pl-c1">1</span>
<span class="pl-k">def</span> <span class="pl-en">ksr_onsend_route</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>, <span class="pl-smi">msg</span>):
<span class="pl-k">if</span> msg.Type <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">'</span>SIP_REQUEST<span class="pl-pds">'</span></span>:
<span class="pl-c1">KSR</span>.info(<span class="pl-s">f</span><span class="pl-pds">'</span><span class="pl-s">Sending request: to=</span><span class="pl-c1">{</span>msg.dst_address<span class="pl-c1">}</span><span class="pl-s"> method=</span><span class="pl-c1">{</span>msg.Method<span class="pl-c1">}</span><span class="pl-cce">\n</span><span class="pl-pds">'</span>)
<span class="pl-k">return</span> <span class="pl-c1">1</span>
<span class="pl-k">def</span> <span class="pl-en">registration</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>, <span class="pl-smi">msg</span>):
<span class="pl-k">if</span> <span class="pl-k">not</span> <span class="pl-c1">KSR</span>.registrar.save(<span class="pl-s"><span class="pl-pds">"</span>location<span class="pl-pds">"</span></span>, <span class="pl-c1"><span class="pl-k">0x</span>01</span>):
<span class="pl-c1">KSR</span>.sl.sl_reply_error()
<span class="pl-k">return</span> <span class="pl-c1">1</span>
<span class="pl-k">def</span> <span class="pl-en">relay</span>(<span class="pl-smi"><span class="pl-smi">self</span></span>, <span class="pl-smi">msg</span>):
<span class="pl-k">if</span> <span class="pl-k">not</span> <span class="pl-c1">KSR</span>.tm.t_relay():
<span class="pl-c1">KSR</span>.sl.sl_reply_error()
<span class="pl-k">return</span> <span class="pl-c1">1</span></pre></div>
<p>If this script is used for request routing, the user locations cannot be saved and the above mentioned error is logged.</p>
<h4>Log Messages</h4>
<p><code>4(4360) ERROR: {1 15678 REGISTER 16c11b02-2458-4263-9350-c2f26fafee53} registrar [api.c:44]: regapi_save(): usrloc domain [location] not found</code></p>
<h3>Additional Information</h3>
<ul>
<li><strong>Kamailio Version</strong> - output of <code>kamailio -v</code></li>
</ul>
<pre><code>version: kamailio 5.2.3 (x86_64/linux) c36229
flags: STATS: Off, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144 MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: c36229
compiled on 13:25:11 Jun 2 2019 with gcc 8.3.0
</code></pre>
<ul>
<li><strong>Operating System</strong>:</li>
</ul>
<pre><code>Linux linux 5.1.5-gentoo #1 SMP PREEMPT Mon May 27 14:42:14 CEST 2019 x86_64 AMD A6-3670 APU with Radeon(tm) HD Graphics AuthenticAMD GNU/Linux
</code></pre>
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