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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2846/">https://reviewboard.asterisk.org/r/2846/</a>
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<p style="margin-top: 0;">On September 30th, 2013, 11:19 a.m. CDT, <b>Matt Jordan</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2846/diff/2/?file=46653#file46653line40" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/contrib/scripts/sip_to_pjsip/astconfigparser.py</a>
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(Diff revision 2)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">from_self</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">from_templates</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">from_defaults</span><span class="o">=</span><span class="bp">True</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="n">from_self</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">:</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'm not a fan of parameters that should be mutually exclusive coexisting.
For example, it is invalid to call this function as follows:
my_dict.get(my_key, from_self=False, from_templates=True, from_defaults=True)
The fact that from_templates has priority over from_default can only be inferred from its order in the parameter list.
While python doesn't really support enumerations, you can 'fake it' with class level attributes. Something like:
class KeySource(object):
OBTAIN_FROM_SELF = 0
OBTAIN_FROM_TEMPLATES = 1
OBTAIN_FROM_DEFAULTS = 2
class Section(MultiOrderedDict):
def get(self, key, key_source=KeySource.OBTAIN_FROM_SELF):
...
And then throw an exception if the key source is not one of the allowed values.
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<p>On October 14th, 2013, 1:50 p.m. CDT, <b>Mark Michelson</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Agreed that the documentation could use a lot of work on this function.
Your suggestion for combining parameters would change the semantics of the function as it currently exists though. For instance, the example that you said is invalid is potentially valid. If the t.get() call in the from_templates block were to throw KeyErrors on every iteration, then the from_defaults block would be entered next.
Kevin, can you comment on whether from_self, from_default, and from_template are meant to be mutually exclusive or not?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">They are not meant to be mutually exclusive. If the key is not found in a section then it is suppose to search the next place it might be found unless that from_* flag is turned off. However, priority is given to self, templates, and then defaults which should be the usual case. I guess if one wants to change the priority they could call the function multiple times with the appropriate flags [un]set, or we could split into multiple functions.</pre>
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<p style="margin-top: 0;">On September 30th, 2013, 11:19 a.m. CDT, <b>Matt Jordan</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2846/diff/2/?file=46653#file46653line87" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/contrib/scripts/sip_to_pjsip/astconfigparser.py</a>
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(Diff revision 2)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">def</span> <span class="nf">add_defaults</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">defaults</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">defaults</span><span class="o">.</span><span class="n">sort</span><span class="p">()</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">defaults</span><span class="p">:</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="bp">self</span><span class="o">.</span><span class="n">_defaults</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">i</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">def</span> <span class="nf">add_templates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">templates</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">templates</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">reverse</span><span class="o">=</span><span class="bp">True</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="bp">self</span><span class="o">.</span><span class="n">_templates</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">templates</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">def</span> <span class="nf">get_merged</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="sd">"""Return a list of values for a given key merged from default(s)"""</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="c"># first merge key/values from defaults together</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">merged</span> <span class="o">=</span> <span class="p">[]</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">reversed</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_defaults</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="ow">not</span> <span class="n">merged</span><span class="p">:</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">merged</span> <span class="o">=</span> <span class="n">i</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">103</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">continue</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">merged</span> <span class="o">=</span> <span class="n">merge_values</span><span class="p">(</span><span class="n">merged</span><span class="p">,</span> <span class="n">i</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">reversed</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_templates</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="ow">not</span> <span class="n">merged</span><span class="p">:</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">merged</span> <span class="o">=</span> <span class="n">i</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">continue</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">merged</span> <span class="o">=</span> <span class="n">merge_values</span><span class="p">(</span><span class="n">merged</span><span class="p">,</span> <span class="n">i</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'm confused. Why do we reverse the sorted lists, then reverse them again when searching?</pre>
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<p>On October 14th, 2013, 1:50 p.m. CDT, <b>Mark Michelson</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Kevin, can you comment on this one?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">So yeah maybe a better way to do this, but before adding of templates the given list is sorted, reversed and then added to, so that the "oldest" template definitions are guaranteed to be last. So, when a get/search is issued it looks in the most recently added templates first. During merges it is reversed so the "oldest" is merged first.
Example:
[template_a](!)
allow=ulaw
allow=g711
context=default
Defined later at some point:
[template_a](!)
allow=alaw
context=test
a merge of those two should output: allow=ulaw,g711,alaw and not allow=alaw,ulaw,g711 while a search should "get" a context of "test".
Also see next issue's comment about why add_template should probably mimic add_defaults.</pre>
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<p style="margin-top: 0;">On September 30th, 2013, 11:19 a.m. CDT, <b>Matt Jordan</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2846/diff/2/?file=46653#file46653line87" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/contrib/scripts/sip_to_pjsip/astconfigparser.py</a>
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(Diff revision 2)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">def</span> <span class="nf">add_defaults</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">defaults</span><span class="p">):</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">defaults</span><span class="o">.</span><span class="n">sort</span><span class="p">()</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">defaults</span><span class="p">:</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="bp">self</span><span class="o">.</span><span class="n">_defaults</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">i</span><span class="p">)</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This will add the elements in defaults to _defaults in reverse sorted order. So why not something like:
self._defaults.extend(defaults.sort(reverse=True)
Or exactly as add_templates was implemented.
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Actually I think it would be better to make add_templates do what add_defaults does instead since they will result in two different lists, but I believe the add_defaults is what was the original intention (although I thought there was a use case that I can't think of now for doing add_templates differently).
So for instance:
add_default([1,2,3])
add_default([4,5,6])
Should yield => [6,5,4,3,2,1]
Where as:
add_template([1,2,3])
add_template([4,5,6])
Will yield => [3,2,1,6,5,4]</pre>
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<p>- Kevin</p>
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<p>On September 26th, 2013, 4 p.m. CDT, Mark Michelson wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Mark Michelson.</div>
<p style="color: grey;"><i>Updated Sept. 26, 2013, 4 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-22374">ASTERISK-22374</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This finishes off the initial work on the conversion script from sip.conf to pjsip.conf. This addresses missing endpoint options, registration options, auth options, and transport options.
I ran the flake8 checker on the files, but I only corrected its complaints in the new sections I added in order to keep the diff reduced to the relevant changes. Unfortunately, this ended up being moot since I renamed the files and the directory that they are in.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Tested against various sip.conf files to ensure that generated sections had the expected data in them.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/contrib/scripts/sip_to_pjsip/astdicts.py <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/contrib/scripts/sip_to_pjsip/astconfigparser.py <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/contrib/scripts/sip_to_pjsip/sip_to_pjsip.py <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/contrib/scripts/sip_to_res_sip/astconfigparser.py <span style="color: grey">(399909)</span></li>
<li>/trunk/contrib/scripts/sip_to_res_sip/astdicts.py <span style="color: grey">(399909)</span></li>
<li>/trunk/contrib/scripts/sip_to_res_sip/sip_to_res_sip.py <span style="color: grey">(399909)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2846/diff/" style="margin-left: 3em;">View Diff</a></p>
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