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<a href="lxml-module.html">Package lxml</a> ::
Module doctestcompare
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<!-- ==================== MODULE DESCRIPTION ==================== -->
<h1 class="epydoc">Module doctestcompare</h1><p class="nomargin-top"><span class="codelink"><a href="lxml.doctestcompare-pysrc.html">source code</a></span></p>
<p>lxml-based doctest output comparison.</p>
<p>Note: normally, you should just import the <a href="lxml.usedoctest-module.html" class="link">lxml.usedoctest</a> and
<a href="lxml.html.usedoctest-module.html" class="link">lxml.html.usedoctest</a> modules from within a doctest, instead of this
one:</p>
<pre class="rst-literal-block">
>>> import lxml.usedoctest # for XML output
>>> import lxml.html.usedoctest # for HTML output
</pre>
<p>To use this module directly, you must call <tt class="rst-docutils literal">lxmldoctest.install()</tt>,
which will cause doctest to use this in all subsequent calls.</p>
<p>This changes the way output is checked and comparisons are made for
XML or HTML-like content.</p>
<p>XML or HTML content is noticed because the example starts with <tt class="rst-docutils literal"><</tt>
(it's HTML if it starts with <tt class="rst-docutils literal"><html</tt>). You can also use the
<tt class="rst-docutils literal">PARSE_HTML</tt> and <tt class="rst-docutils literal">PARSE_XML</tt> flags to force parsing.</p>
<p>Some rough wildcard-like things are allowed. Whitespace is generally
ignored (except in attributes). In text (attributes and text in the
body) you can use <tt class="rst-docutils literal">...</tt> as a wildcard. In an example it also
matches any trailing tags in the element, though it does not match
leading tags. You may create a tag <tt class="rst-docutils literal"><any></tt> or include an <tt class="rst-docutils literal">any</tt>
attribute in the tag. An <tt class="rst-docutils literal">any</tt> tag matches any tag, while the
attribute matches any and all attributes.</p>
<p>When a match fails, the reformatted example and gotten text is
displayed (indented), and a rough diff-like output is given. Anything
marked with <tt class="rst-docutils literal">+</tt> is in the output but wasn't supposed to be, and
similarly <tt class="rst-docutils literal">-</tt> means its in the example but wasn't in the output.</p>
<p>You can disable parsing on one line with <tt class="rst-docutils literal"># <span class="pre">doctest:+NOPARSE_MARKUP</span></tt></p>
<!-- ==================== CLASSES ==================== -->
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<span class="summary-type"> </span>
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<a href="lxml.doctestcompare.LXMLOutputChecker-class.html" class="summary-name">LXMLOutputChecker</a>
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<span class="summary-type"> </span>
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<a href="lxml.doctestcompare.LHTMLOutputChecker-class.html" class="summary-name">LHTMLOutputChecker</a>
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<!-- ==================== FUNCTIONS ==================== -->
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<td><span class="summary-sig"><a name="strip"></a><span class="summary-sig-name">strip</span>(<span class="summary-sig-arg">v</span>)</span></td>
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<span class="codelink"><a href="lxml.doctestcompare-pysrc.html#strip">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="norm_whitespace"></a><span class="summary-sig-name">norm_whitespace</span>(<span class="summary-sig-arg">v</span>)</span></td>
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<span class="codelink"><a href="lxml.doctestcompare-pysrc.html#norm_whitespace">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="html_fromstring"></a><span class="summary-sig-name">html_fromstring</span>(<span class="summary-sig-arg">html</span>)</span></td>
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<span class="codelink"><a href="lxml.doctestcompare-pysrc.html#html_fromstring">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="lxml.doctestcompare-module.html#install" class="summary-sig-name">install</a>(<span class="summary-sig-arg">html</span>=<span class="summary-sig-default">False</span>)</span><br />
Install doctestcompare for all future doctests.</td>
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<span class="codelink"><a href="lxml.doctestcompare-pysrc.html#install">source code</a></span>
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<td><span class="summary-sig"><a href="lxml.doctestcompare-module.html#temp_install" class="summary-sig-name">temp_install</a>(<span class="summary-sig-arg">html</span>=<span class="summary-sig-default">False</span>,
<span class="summary-sig-arg">del_module</span>=<span class="summary-sig-default">None</span>)</span><br />
Use this <em>inside</em> a doctest to enable this checker for this
doctest only.</td>
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<span class="codelink"><a href="lxml.doctestcompare-pysrc.html#temp_install">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="_find_doctest_frame"></a><span class="summary-sig-name">_find_doctest_frame</span>()</span></td>
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<span class="codelink"><a href="lxml.doctestcompare-pysrc.html#_find_doctest_frame">source code</a></span>
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<!-- ==================== VARIABLES ==================== -->
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<a name="_IS_PYTHON_3"></a><span class="summary-name">_IS_PYTHON_3</span> = <code title="False">False</code>
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<span class="summary-type"> </span>
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<a name="PARSE_HTML"></a><span class="summary-name">PARSE_HTML</span> = <code title="1024">1024</code>
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<span class="summary-type"> </span>
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<a name="PARSE_XML"></a><span class="summary-name">PARSE_XML</span> = <code title="2048">2048</code>
</td>
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<span class="summary-type"> </span>
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<a name="NOPARSE_MARKUP"></a><span class="summary-name">NOPARSE_MARKUP</span> = <code title="4096">4096</code>
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<span class="summary-type"> </span>
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<a name="_html_parser"></a><span class="summary-name">_html_parser</span> = <code title="<lxml.etree.HTMLParser object>"><lxml.etree.HTMLParser object></code>
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<span class="summary-type"> </span>
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<a name="_repr_re"></a><span class="summary-name">_repr_re</span> = <code title="re.compile(r'^<[^>]+ (at|object) ')">re.compile(r'^<<code class="re-group">[^</code>><code class="re-group">]</code><code class="re-op">+</code> <code class="re-group">(</code>at<code class="re-op">|</code>object<code class="re-group">)</code> ')</code>
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<a name="_norm_whitespace_re"></a><span class="summary-name">_norm_whitespace_re</span> = <code title="re.compile(r'[ \t\n][ \t\n]+')">re.compile(r'<code class="re-group">[</code> \t\n<code class="re-group">]</code><code class="re-group">[</code> \t\n<code class="re-group">]</code><code class="re-op">+</code>')</code>
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<a href="lxml.doctestcompare-module.html#__test__" class="summary-name" onclick="show_private();">__test__</a> = <code title="{'basic': '''
>>> temp_install()
>>> print """<xml a="1" b="2">stuff</xml>"""
<xml b="2" a="1">...</xml>
>>> print """<xml xmlns="http://example.com"><tag attr="bar" /\
></xml>"""
<xml xmlns="...">
<tag attr="..." />
..."><code class="variable-group">{</code><code class="variable-quote">'</code><code class="variable-string">basic</code><code class="variable-quote">'</code><code class="variable-op">: </code><code class="variable-quote">'</code><code class="variable-string">\n >>> temp_install()\n >>> print </code><code class="variable-ellipsis">...</code></code>
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<span class="summary-type"> </span>
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<a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'lxml'"><code class="variable-quote">'</code><code class="variable-string">lxml</code><code class="variable-quote">'</code></code>
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<!-- ==================== FUNCTION DETAILS ==================== -->
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<h3 class="epydoc"><span class="sig"><span class="sig-name">install</span>(<span class="sig-arg">html</span>=<span class="sig-default">False</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="lxml.doctestcompare-pysrc.html#install">source code</a></span>
</td>
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<p>Install doctestcompare for all future doctests.</p>
<p>If html is true, then by default the HTML parser will be used;
otherwise the XML parser is used.</p>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="temp_install"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">temp_install</span>(<span class="sig-arg">html</span>=<span class="sig-default">False</span>,
<span class="sig-arg">del_module</span>=<span class="sig-default">None</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="lxml.doctestcompare-pysrc.html#temp_install">source code</a></span>
</td>
</tr></table>
<p>Use this <em>inside</em> a doctest to enable this checker for this
doctest only.</p>
<p>If html is true, then by default the HTML parser will be used;
otherwise the XML parser is used.</p>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<br />
<!-- ==================== VARIABLES DETAILS ==================== -->
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</dl>
<dl class="fields">
<dt>Value:</dt>
<dd><table><tr><td><pre class="variable">
<code class="variable-group">{</code><code class="variable-quote">'</code><code class="variable-string">basic</code><code class="variable-quote">'</code><code class="variable-op">: </code><code class="variable-quote">'''</code><code class="variable-string"></code>
<code class="variable-string"> >>> temp_install()</code>
<code class="variable-string"> >>> print """<xml a="1" b="2">stuff</xml>"""</code>
<code class="variable-string"> <xml b="2" a="1">...</xml></code>
<code class="variable-string"> >>> print """<xml xmlns="http://example.com"><tag attr="bar" /</code><span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
<code class="variable-string">></xml>"""</code>
<code class="variable-string"> <xml xmlns="..."></code>
<code class="variable-string"> <tag attr="..." /></code>
<code class="variable-ellipsis">...</code>
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