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<article id="content">
<header>
<h1 class="title">Module <code>pluginconf.depends</code></h1>
</header>
<section id="section-intro">
<p>Dependency validation and consistency checker for updates</p>
</section>
<section>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-classes">Classes</h2>
<dl>
<dt id="pluginconf.depends.Check"><code class="flex name class">
<span>class <span class="ident">Check</span></span>
<span>(</span><span>add=None, core=['st2', 'uikit', 'config', 'action'])</span>
</code></dt>
<dd>
<div class="desc"><p>Now this definitely requires customization. Each plugin can carry
a list of (soft-) dependency names.</p>
<p>… # depends: config, appcore >= 2.0, bin:wkhtmltoimage, python < 3.5</p>
<p>Here only in-application modules are honored, system references
ignored. Unknown plugin names are also skipped. A real install
helper might want to auto-tick them on, etc. This example is just
meant for probing downloadable plugins.</p>
<p>The .valid() helper only asserts the api: string, or skips existing
modules, and if they're more recent.
While .depends() compares minimum versions against existing modules.</p>
<p>In practice there's little need for full-blown dependency resolving
for application-level modules.</p>
<table>
<thead>
<tr>
<th>Attributes</th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>api</td>
<td>list</td>
<td>allowed api: identifiers for .valid() stream checks</td>
</tr>
<tr>
<td>system_deps</td>
<td>bool</td>
<td>check <code>bin:app</code> or <code>python:package</code> dependencies</td>
</tr>
<tr>
<td>log</td>
<td>logging</td>
<td>warning handler</td>
</tr>
<tr>
<td>have</td>
<td>dict</td>
<td>accumulated list of existing/virtual plugins</td>
</tr>
</tbody>
</table>
<p>Prepare list of known plugins and versions in self.have={}</p>
<table>
<thead>
<tr>
<th>Parameters</th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>add</td>
<td>dict</td>
<td>name→pmd of existing/core plugins (incl ver or deps)</td>
</tr>
<tr>
<td>core</td>
<td>list</td>
<td>name list of virtual plugins</td>
</tr>
</tbody>
</table></div>
<h3>Class variables</h3>
<dl>
<dt id="pluginconf.depends.Check.api"><code class="name">var <span class="ident">api</span></code></dt>
<dd>
<div class="desc"></div>
</dd>
<dt id="pluginconf.depends.Check.log"><code class="name">var <span class="ident">log</span></code></dt>
<dd>
<div class="desc"></div>
</dd>
<dt id="pluginconf.depends.Check.system_deps"><code class="name">var <span class="ident">system_deps</span></code></dt>
<dd>
<div class="desc"></div>
</dd>
</dl>
<h3>Methods</h3>
<dl>
<dt id="pluginconf.depends.Check.and_or"><code class="name flex">
<span>def <span class="ident">and_or</span></span>(<span>self, deps, have, inner_true=True)</span>
</code></dt>
<dd>
<div class="desc"><p>Compare nested structure of [[dep],[alt,alt]]</p></div>
</dd>
<dt id="pluginconf.depends.Check.cmp"><code class="name flex">
<span>def <span class="ident">cmp</span></span>(<span>self, name_op_ver, have, absent=True)</span>
</code></dt>
<dd>
<div class="desc"><p>Single comparison</p></div>
</dd>
<dt id="pluginconf.depends.Check.depends"><code class="name flex">
<span>def <span class="ident">depends</span></span>(<span>self, plugin)</span>
</code></dt>
<dd>
<div class="desc"><p>Verify depends: and breaks: against existing plugins/modules</p>
<table>
<thead>
<tr>
<th>Parameters</th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>plugin</td>
<td>dict</td>
<td>plugin meta properties of (new?) plugin</td>
</tr>
<tr>
<td><strong>Returns</strong></td>
<td>bool</td>
<td>matches up with existing .have{} installation</td>
</tr>
</tbody>
</table></div>
</dd>
<dt id="pluginconf.depends.Check.module_test"><code class="name flex">
<span>def <span class="ident">module_test</span></span>(<span>self, urn, name)</span>
</code></dt>
<dd>
<div class="desc"><p>Probes "bin:name" or "python:name" dependency URNs</p></div>
</dd>
<dt id="pluginconf.depends.Check.neither"><code class="name flex">
<span>def <span class="ident">neither</span></span>(<span>self, deps, have)</span>
</code></dt>
<dd>
<div class="desc"><p>Breaks/Conflicts: check [[or],[or]]</p></div>
</dd>
<dt id="pluginconf.depends.Check.split"><code class="name flex">
<span>def <span class="ident">split</span></span>(<span>self, dep_str)</span>
</code></dt>
<dd>
<div class="desc"><p>Split trivial "pkg | alt, mod>=1, uikit<4.0" string
into nested list [ [alt, alt], [dep], [dep] ];
with each entry comprised of (name, operator, version).</p></div>
</dd>
<dt id="pluginconf.depends.Check.valid"><code class="name flex">
<span>def <span class="ident">valid</span></span>(<span>self, new_plugin)</span>
</code></dt>
<dd>
<div class="desc"><p>Plugin pre-screening from online repository stream.
Fields are $name, $file, $dist, api, id, depends, etc
Exclude installed or for newer-version presence.</p>
<table>
<thead>
<tr>
<th>Parameters</th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>new_plugin</td>
<td>dict</td>
<td>online properties of available plugin</td>
</tr>
<tr>
<td><strong>Returns</strong></td>
<td>bool</td>
<td>is updatatable</td>
</tr>
</tbody>
</table></div>
</dd>
</dl>
</dd>
</dl>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="pluginconf" href="index.html">pluginconf</a></code></li>
</ul>
</li>
<li><h3><a href="#header-classes">Classes</a></h3>
<ul>
<li>
<h4><code><a title="pluginconf.depends.Check" href="#pluginconf.depends.Check">Check</a></code></h4>
<ul class="two-column">
<li><code><a title="pluginconf.depends.Check.and_or" href="#pluginconf.depends.Check.and_or">and_or</a></code></li>
<li><code><a title="pluginconf.depends.Check.api" href="#pluginconf.depends.Check.api">api</a></code></li>
<li><code><a title="pluginconf.depends.Check.cmp" href="#pluginconf.depends.Check.cmp">cmp</a></code></li>
<li><code><a title="pluginconf.depends.Check.depends" href="#pluginconf.depends.Check.depends">depends</a></code></li>
<li><code><a title="pluginconf.depends.Check.log" href="#pluginconf.depends.Check.log">log</a></code></li>
<li><code><a title="pluginconf.depends.Check.module_test" href="#pluginconf.depends.Check.module_test">module_test</a></code></li>
<li><code><a title="pluginconf.depends.Check.neither" href="#pluginconf.depends.Check.neither">neither</a></code></li>
<li><code><a title="pluginconf.depends.Check.split" href="#pluginconf.depends.Check.split">split</a></code></li>
<li><code><a title="pluginconf.depends.Check.system_deps" href="#pluginconf.depends.Check.system_deps">system_deps</a></code></li>
<li><code><a title="pluginconf.depends.Check.valid" href="#pluginconf.depends.Check.valid">valid</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</nav>
</main>
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