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<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>mbuild.dag.dag_t</title>
<link rel="stylesheet" href="epydoc.css" type="text/css" />
<script type="text/javascript" src="epydoc.js"></script>
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<body bgcolor="white" text="black" link="blue" vlink="#204080"
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<span class="breadcrumbs">
<a href="mbuild-module.html">Package mbuild</a> ::
<a href="mbuild.dag-module.html">Module dag</a> ::
Class dag_t
</span>
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class dag_t</h1><p class="nomargin-top"><span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t">source code</a></span></p>
<pre class="base-tree">
object --+
|
<strong class="uidshort">dag_t</strong>
</pre>
<hr />
<p>This object builds a DAG of files an sequences their submission to the
parallel work queue of type <a
href="mbuild.work_queue.work_queue_t-class.html"
class="link">work_queue_t</a>.</p>
<p>This takes <a href="mbuild.plan.plan_t-class.html"
class="link">plan_t</a> objects representing command strings or python
functions, and creates <a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a> objects suitable for use in the <a
href="mbuild.work_queue.work_queue_t-class.html"
class="link">work_queue_t</a>.</p>
<p>As the <a href="mbuild.work_queue.work_queue_t-class.html"
class="link">work_queue_t</a> executes, it queries this DAG for more
ready commands or functions to execute.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
<a name="section-InstanceMethods"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Instance Methods</span></td>
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<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="__del__"></a><span class="summary-sig-name">__del__</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.__del__">source code</a></span>
</td>
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<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="mbuild.dag.dag_t-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">name</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">default</code><code class="variable-quote">'</code></span>,
<span class="summary-sig-arg">env</span>=<span class="summary-sig-default">None</span>)</span><br />
x.__init__(...) initializes x; see help(type(x)) for signature</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.__init__">source code</a></span>
</td>
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</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="mbuild.dag.dag_t-class.html#add" class="summary-sig-name">add</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">env</span>,
<span class="summary-sig-arg">d</span>)</span><br />
Create a command based on the input dictionary or <a
href="mbuild.plan.plan_t-class.html" class="link">plan_t</a> object.</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.add">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="mbuild.dag.dag_t-class.html#check_for_skipped" class="summary-sig-name">check_for_skipped</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return a list of things that did not build but were tagged as
required for the build.</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.check_for_skipped">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">bool</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="mbuild.dag.dag_t-class.html#cycle_check" class="summary-sig-name">cycle_check</a>(<span class="summary-sig-arg">self</span>)</span><br />
Check the DAG for illegal cycles in the include structure.</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.cycle_check">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="dag_write_signatures"></a><span class="summary-sig-name">dag_write_signatures</span>(<span class="summary-sig-arg">self</span>)</span><br />
Write a dictionary of _mbuild_storage_object_t's to the given file
name</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.dag_write_signatures">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="dump"></a><span class="summary-sig-name">dump</span>(<span class="summary-sig-arg">self</span>)</span><br />
print a string representing the DAG.</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.dump">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">list</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="mbuild.dag.dag_t-class.html#results" class="summary-sig-name">results</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return a list of <a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a>'s that were executed for analysis of the
build.</td>
<td align="right" valign="top">
<span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.results">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__format__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__new__</code>,
<code>__reduce__</code>,
<code>__reduce_ex__</code>,
<code>__repr__</code>,
<code>__setattr__</code>,
<code>__sizeof__</code>,
<code>__str__</code>,
<code>__subclasshook__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== PROPERTIES ==================== -->
<a name="section-Properties"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Properties</span></td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Method Details</span></td>
</tr>
</table>
<a name="__init__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">name</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">default</code><code class="variable-quote">'</code></span>,
<span class="sig-arg">env</span>=<span class="sig-default">None</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.__init__">source code</a></span>
</td>
</tr></table>
<p>x.__init__(...) initializes x; see help(type(x)) for signature</p>
<dl class="fields">
<dt>Overrides:
object.__init__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
<a name="add"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">add</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">env</span>,
<span class="sig-arg">d</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.add">source code</a></span>
</td>
</tr></table>
<p>Create a command based on the input dictionary or <a
href="mbuild.plan.plan_t-class.html" class="link">plan_t</a> object. It
may have inputs and outputs. Things may have no input or output files.
Return the created <a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a>. The command object dependence tracking
mechanism will control their execution.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>env</code></strong> (<a href="mbuild.env.env_t-class.html" class="link">env_t</a>) - the environment</li>
<li><strong class="pname"><code>d</code></strong> (dict or <a href="mbuild.plan.plan_t-class.html"
class="link">plan_t</a>) - a dictionary or <a href="mbuild.plan.plan_t-class.html"
class="link">plan_t</a> from a builder describing the command.</li>
</ul></dd>
<dt>Returns: <a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a></dt>
<dd>A command object for the dependence DAG</dd>
</dl>
</td></tr></table>
</div>
<a name="check_for_skipped"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">check_for_skipped</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.check_for_skipped">source code</a></span>
</td>
</tr></table>
<p>Return a list of things that did not build but were tagged as required
for the build. This list could be nonempty because (1)there was an error
in the build or (2) there is a circularity in the dependence
structure.</p>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="cycle_check"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">cycle_check</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.cycle_check">source code</a></span>
</td>
</tr></table>
<p>Check the DAG for illegal cycles in the include structure.</p>
<dl class="fields">
<dt>Returns: bool</dt>
<dd>True if the DAG contains cycles (and thus is not a DAG).</dd>
</dl>
</td></tr></table>
</div>
<a name="results"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">results</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="mbuild.dag-pysrc.html#dag_t.results">source code</a></span>
</td>
</tr></table>
<p>Return a list of <a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a>'s that were executed for analysis of the
build. If a command was not executed, it is not returned.</p>
<dl class="fields">
<dt>Returns: list</dt>
<dd>A list of <a href="mbuild.work_queue.command_t-class.html"
class="link">command_t</a> objects.</dd>
</dl>
</td></tr></table>
</div>
<br />
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