doc/html/api/lxml.doctestcompare-module.html

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  45         <a href="lxml-module.html">Package&nbsp;lxml</a> ::
  46         Module&nbsp;doctestcompare
  47       </span>
  48     </td>
  49     <td>
  50       <table cellpadding="0" cellspacing="0">
  51         <!-- hide/show private -->
  52         <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
  53     onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
  54         <tr><td align="right"><span class="options"
  55             >[<a href="frames.html" target="_top">frames</a
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  62 <!-- ==================== MODULE DESCRIPTION ==================== -->
  63 <h1 class="epydoc">Module doctestcompare</h1><p class="nomargin-top"><span class="codelink"><a href="lxml.doctestcompare-pysrc.html">source&nbsp;code</a></span></p>
  64 <p>lxml-based doctest output comparison.</p>
  65 <p>Note: normally, you should just import the <a href="lxml.usedoctest-module.html" class="link">lxml.usedoctest</a> and
  66 <a href="lxml.html.usedoctest-module.html" class="link">lxml.html.usedoctest</a> modules from within a doctest, instead of this
  67 one:</p>
  68 <pre class="rst-literal-block">
  69 &gt;&gt;&gt; import lxml.usedoctest # for XML output
  70
  71 &gt;&gt;&gt; import lxml.html.usedoctest # for HTML output
  72 </pre>
  73 <p>To use this module directly, you must call <tt class="rst-docutils literal">lxmldoctest.install()</tt>,
  74 which will cause doctest to use this in all subsequent calls.</p>
  75 <p>This changes the way output is checked and comparisons are made for
  76 XML or HTML-like content.</p>
  77 <p>XML or HTML content is noticed because the example starts with <tt class="rst-docutils literal">&lt;</tt>
  78 (it's HTML if it starts with <tt class="rst-docutils literal">&lt;html</tt>).  You can also use the
  79 <tt class="rst-docutils literal">PARSE_HTML</tt> and <tt class="rst-docutils literal">PARSE_XML</tt> flags to force parsing.</p>
  80 <p>Some rough wildcard-like things are allowed.  Whitespace is generally
  81 ignored (except in attributes).  In text (attributes and text in the
  82 body) you can use <tt class="rst-docutils literal">...</tt> as a wildcard.  In an example it also
  83 matches any trailing tags in the element, though it does not match
  84 leading tags.  You may create a tag <tt class="rst-docutils literal">&lt;any&gt;</tt> or include an <tt class="rst-docutils literal">any</tt>
  85 attribute in the tag.  An <tt class="rst-docutils literal">any</tt> tag matches any tag, while the
  86 attribute matches any and all attributes.</p>
  87 <p>When a match fails, the reformatted example and gotten text is
  88 displayed (indented), and a rough diff-like output is given.  Anything
  89 marked with <tt class="rst-docutils literal">+</tt> is in the output but wasn't supposed to be, and
  90 similarly <tt class="rst-docutils literal">-</tt> means its in the example but wasn't in the output.</p>
  91 <p>You can disable parsing on one line with <tt class="rst-docutils literal"># <span class="pre">doctest:+NOPARSE_MARKUP</span></tt></p>
  92
  93 <!-- ==================== CLASSES ==================== -->
  94 <a name="section-Classes"></a>
  95 <table class="summary" border="1" cellpadding="3"
  96        cellspacing="0" width="100%" bgcolor="white">
  97 <tr bgcolor="#70b0f0" class="table-header">
  98   <td colspan="2" class="table-header">
  99     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 100       <tr valign="top">
 101         <td align="left"><span class="table-header">Classes</span></td>
 102         <td align="right" valign="top"
 103          ><span class="options">[<a href="#section-Classes"
 104          class="privatelink" onclick="toggle_private();"
 105          >hide private</a>]</span></td>
 106       </tr>
 107     </table>
 108   </td>
 109 </tr>
 110 <tr>
 111     <td width="15%" align="right" valign="top" class="summary">
 112       <span class="summary-type">&nbsp;</span>
 113     </td><td class="summary">
 114         <a href="lxml.doctestcompare.LXMLOutputChecker-class.html" class="summary-name">LXMLOutputChecker</a>
 115     </td>
 116   </tr>
 117 <tr>
 118     <td width="15%" align="right" valign="top" class="summary">
 119       <span class="summary-type">&nbsp;</span>
 120     </td><td class="summary">
 121         <a href="lxml.doctestcompare.LHTMLOutputChecker-class.html" class="summary-name">LHTMLOutputChecker</a>
 122     </td>
 123   </tr>
 124 <tr class="private">
 125     <td width="15%" align="right" valign="top" class="summary">
 126       <span class="summary-type">&nbsp;</span>
 127     </td><td class="summary">
 128         <a href="lxml.doctestcompare._RestoreChecker-class.html" class="summary-name" onclick="show_private();">_RestoreChecker</a>
 129     </td>
 130   </tr>
 131 </table>
 132 <!-- ==================== FUNCTIONS ==================== -->
 133 <a name="section-Functions"></a>
 134 <table class="summary" border="1" cellpadding="3"
 135        cellspacing="0" width="100%" bgcolor="white">
 136 <tr bgcolor="#70b0f0" class="table-header">
 137   <td colspan="2" class="table-header">
 138     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 139       <tr valign="top">
 140         <td align="left"><span class="table-header">Functions</span></td>
 141         <td align="right" valign="top"
 142          ><span class="options">[<a href="#section-Functions"
 143          class="privatelink" onclick="toggle_private();"
 144          >hide private</a>]</span></td>
 145       </tr>
 146     </table>
 147   </td>
 148 </tr>
 149 <tr class="private">
 150     <td width="15%" align="right" valign="top" class="summary">
 151       <span class="summary-type">&nbsp;</span>
 152     </td><td class="summary">
 153       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 154         <tr>
 155           <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>
 156           <td align="right" valign="top">
 157             <span class="codelink"><a href="lxml.doctestcompare-pysrc.html#strip">source&nbsp;code</a></span>
 158
 159           </td>
 160         </tr>
 161       </table>
 162
 163     </td>
 164   </tr>
 165 <tr class="private">
 166     <td width="15%" align="right" valign="top" class="summary">
 167       <span class="summary-type">&nbsp;</span>
 168     </td><td class="summary">
 169       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 170         <tr>
 171           <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>
 172           <td align="right" valign="top">
 173             <span class="codelink"><a href="lxml.doctestcompare-pysrc.html#norm_whitespace">source&nbsp;code</a></span>
 174
 175           </td>
 176         </tr>
 177       </table>
 178
 179     </td>
 180   </tr>
 181 <tr class="private">
 182     <td width="15%" align="right" valign="top" class="summary">
 183       <span class="summary-type">&nbsp;</span>
 184     </td><td class="summary">
 185       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 186         <tr>
 187           <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>
 188           <td align="right" valign="top">
 189             <span class="codelink"><a href="lxml.doctestcompare-pysrc.html#html_fromstring">source&nbsp;code</a></span>
 190
 191           </td>
 192         </tr>
 193       </table>
 194
 195     </td>
 196   </tr>
 197 <tr>
 198     <td width="15%" align="right" valign="top" class="summary">
 199       <span class="summary-type">&nbsp;</span>
 200     </td><td class="summary">
 201       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 202         <tr>
 203           <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 />
 204       Install doctestcompare for all future doctests.</td>
 205           <td align="right" valign="top">
 206             <span class="codelink"><a href="lxml.doctestcompare-pysrc.html#install">source&nbsp;code</a></span>
 207
 208           </td>
 209         </tr>
 210       </table>
 211
 212     </td>
 213   </tr>
 214 <tr>
 215     <td width="15%" align="right" valign="top" class="summary">
 216       <span class="summary-type">&nbsp;</span>
 217     </td><td class="summary">
 218       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 219         <tr>
 220           <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>,
 221         <span class="summary-sig-arg">del_module</span>=<span class="summary-sig-default">None</span>)</span><br />
 222       Use this <em>inside</em> a doctest to enable this checker for this
 223 doctest only.</td>
 224           <td align="right" valign="top">
 225             <span class="codelink"><a href="lxml.doctestcompare-pysrc.html#temp_install">source&nbsp;code</a></span>
 226
 227           </td>
 228         </tr>
 229       </table>
 230
 231     </td>
 232   </tr>
 233 <tr class="private">
 234     <td width="15%" align="right" valign="top" class="summary">
 235       <span class="summary-type">&nbsp;</span>
 236     </td><td class="summary">
 237       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 238         <tr>
 239           <td><span class="summary-sig"><a name="_find_doctest_frame"></a><span class="summary-sig-name">_find_doctest_frame</span>()</span></td>
 240           <td align="right" valign="top">
 241             <span class="codelink"><a href="lxml.doctestcompare-pysrc.html#_find_doctest_frame">source&nbsp;code</a></span>
 242
 243           </td>
 244         </tr>
 245       </table>
 246
 247     </td>
 248   </tr>
 249 </table>
 250 <!-- ==================== VARIABLES ==================== -->
 251 <a name="section-Variables"></a>
 252 <table class="summary" border="1" cellpadding="3"
 253        cellspacing="0" width="100%" bgcolor="white">
 254 <tr bgcolor="#70b0f0" class="table-header">
 255   <td colspan="2" class="table-header">
 256     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 257       <tr valign="top">
 258         <td align="left"><span class="table-header">Variables</span></td>
 259         <td align="right" valign="top"
 260          ><span class="options">[<a href="#section-Variables"
 261          class="privatelink" onclick="toggle_private();"
 262          >hide private</a>]</span></td>
 263       </tr>
 264     </table>
 265   </td>
 266 </tr>
 267 <tr class="private">
 268     <td width="15%" align="right" valign="top" class="summary">
 269       <span class="summary-type">&nbsp;</span>
 270     </td><td class="summary">
 271         <a name="_IS_PYTHON_3"></a><span class="summary-name">_IS_PYTHON_3</span> = <code title="False">False</code>
 272     </td>
 273   </tr>
 274 <tr>
 275     <td width="15%" align="right" valign="top" class="summary">
 276       <span class="summary-type">&nbsp;</span>
 277     </td><td class="summary">
 278         <a name="PARSE_HTML"></a><span class="summary-name">PARSE_HTML</span> = <code title="1024">1024</code>
 279     </td>
 280   </tr>
 281 <tr>
 282     <td width="15%" align="right" valign="top" class="summary">
 283       <span class="summary-type">&nbsp;</span>
 284     </td><td class="summary">
 285         <a name="PARSE_XML"></a><span class="summary-name">PARSE_XML</span> = <code title="2048">2048</code>
 286     </td>
 287   </tr>
 288 <tr>
 289     <td width="15%" align="right" valign="top" class="summary">
 290       <span class="summary-type">&nbsp;</span>
 291     </td><td class="summary">
 292         <a name="NOPARSE_MARKUP"></a><span class="summary-name">NOPARSE_MARKUP</span> = <code title="4096">4096</code>
 293     </td>
 294   </tr>
 295 <tr class="private">
 296     <td width="15%" align="right" valign="top" class="summary">
 297       <span class="summary-type">&nbsp;</span>
 298     </td><td class="summary">
 299         <a name="_html_parser"></a><span class="summary-name">_html_parser</span> = <code title="&lt;lxml.etree.HTMLParser object&gt;">&lt;lxml.etree.HTMLParser object&gt;</code>
 300     </td>
 301   </tr>
 302 <tr class="private">
 303     <td width="15%" align="right" valign="top" class="summary">
 304       <span class="summary-type">&nbsp;</span>
 305     </td><td class="summary">
 306         <a name="_repr_re"></a><span class="summary-name">_repr_re</span> = <code title="re.compile(r'^&lt;[^&gt;]+ (at|object) ')">re.compile(r'^&lt;<code class="re-group">[^</code>&gt;<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>
 307     </td>
 308   </tr>
 309 <tr class="private">
 310     <td width="15%" align="right" valign="top" class="summary">
 311       <span class="summary-type">&nbsp;</span>
 312     </td><td class="summary">
 313         <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>
 314     </td>
 315   </tr>
 316 <tr class="private">
 317     <td width="15%" align="right" valign="top" class="summary">
 318       <span class="summary-type">&nbsp;</span>
 319     </td><td class="summary">
 320         <a href="lxml.doctestcompare-module.html#__test__" class="summary-name" onclick="show_private();">__test__</a> = <code title="{'basic': '''
 321     &gt;&gt;&gt; temp_install()
 322     &gt;&gt;&gt; print &quot;&quot;&quot;&lt;xml a=&quot;1&quot; b=&quot;2&quot;&gt;stuff&lt;/xml&gt;&quot;&quot;&quot;
 323     &lt;xml b=&quot;2&quot; a=&quot;1&quot;&gt;...&lt;/xml&gt;
 324     &gt;&gt;&gt; print &quot;&quot;&quot;&lt;xml xmlns=&quot;http://example.com&quot;&gt;&lt;tag   attr=&quot;bar&quot;   /\
 325 &gt;&lt;/xml&gt;&quot;&quot;&quot;
 326     &lt;xml xmlns=&quot;...&quot;&gt;
 327       &lt;tag attr=&quot;...&quot; /&gt;
 328 ..."><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    &gt;&gt;&gt; temp_install()\n    &gt;&gt;&gt; print </code><code class="variable-ellipsis">...</code></code>
 329     </td>
 330   </tr>
 331 <tr class="private">
 332     <td width="15%" align="right" valign="top" class="summary">
 333       <span class="summary-type">&nbsp;</span>
 334     </td><td class="summary">
 335         <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>
 336     </td>
 337   </tr>
 338 </table>
 339 <!-- ==================== FUNCTION DETAILS ==================== -->
 340 <a name="section-FunctionDetails"></a>
 341 <table class="details" border="1" cellpadding="3"
 342        cellspacing="0" width="100%" bgcolor="white">
 343 <tr bgcolor="#70b0f0" class="table-header">
 344   <td colspan="2" class="table-header">
 345     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 346       <tr valign="top">
 347         <td align="left"><span class="table-header">Function Details</span></td>
 348         <td align="right" valign="top"
 349          ><span class="options">[<a href="#section-FunctionDetails"
 350          class="privatelink" onclick="toggle_private();"
 351          >hide private</a>]</span></td>
 352       </tr>
 353     </table>
 354   </td>
 355 </tr>
 356 </table>
 357 <a name="install"></a>
 358 <div>
 359 <table class="details" border="1" cellpadding="3"
 360        cellspacing="0" width="100%" bgcolor="white">
 361 <tr><td>
 362   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 363   <tr valign="top"><td>
 364   <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>
 365   </h3>
 366   </td><td align="right" valign="top"
 367     ><span class="codelink"><a href="lxml.doctestcompare-pysrc.html#install">source&nbsp;code</a></span>&nbsp;
 368     </td>
 369   </tr></table>
 370
 371   <p>Install doctestcompare for all future doctests.</p>
 372 <p>If html is true, then by default the HTML parser will be used;
 373 otherwise the XML parser is used.</p>
 374   <dl class="fields">
 375   </dl>
 376 </td></tr></table>
 377 </div>
 378 <a name="temp_install"></a>
 379 <div>
 380 <table class="details" border="1" cellpadding="3"
 381        cellspacing="0" width="100%" bgcolor="white">
 382 <tr><td>
 383   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 384   <tr valign="top"><td>
 385   <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>,
 386         <span class="sig-arg">del_module</span>=<span class="sig-default">None</span>)</span>
 387   </h3>
 388   </td><td align="right" valign="top"
 389     ><span class="codelink"><a href="lxml.doctestcompare-pysrc.html#temp_install">source&nbsp;code</a></span>&nbsp;
 390     </td>
 391   </tr></table>
 392
 393   <p>Use this <em>inside</em> a doctest to enable this checker for this
 394 doctest only.</p>
 395 <p>If html is true, then by default the HTML parser will be used;
 396 otherwise the XML parser is used.</p>
 397   <dl class="fields">
 398   </dl>
 399 </td></tr></table>
 400 </div>
 401 <br />
 402 <!-- ==================== VARIABLES DETAILS ==================== -->
 403 <a name="section-VariablesDetails"></a>
 404 <table class="details" border="1" cellpadding="3"
 405        cellspacing="0" width="100%" bgcolor="white">
 406 <tr bgcolor="#70b0f0" class="table-header">
 407   <td colspan="2" class="table-header">
 408     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 409       <tr valign="top">
 410         <td align="left"><span class="table-header">Variables Details</span></td>
 411         <td align="right" valign="top"
 412          ><span class="options">[<a href="#section-VariablesDetails"
 413          class="privatelink" onclick="toggle_private();"
 414          >hide private</a>]</span></td>
 415       </tr>
 416     </table>
 417   </td>
 418 </tr>
 419 </table>
 420 <a name="__test__"></a>
 421 <div class="private">
 422 <table class="details" border="1" cellpadding="3"
 423        cellspacing="0" width="100%" bgcolor="white">
 424 <tr><td>
 425   <h3 class="epydoc">__test__</h3>
 426
 427   <dl class="fields">
 428   </dl>
 429   <dl class="fields">
 430     <dt>Value:</dt>
 431       <dd><table><tr><td><pre class="variable">
 432 <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>
 433 <code class="variable-string">    &gt;&gt;&gt; temp_install()</code>
 434 <code class="variable-string">    &gt;&gt;&gt; print &quot;&quot;&quot;&lt;xml a=&quot;1&quot; b=&quot;2&quot;&gt;stuff&lt;/xml&gt;&quot;&quot;&quot;</code>
 435 <code class="variable-string">    &lt;xml b=&quot;2&quot; a=&quot;1&quot;&gt;...&lt;/xml&gt;</code>
 436 <code class="variable-string">    &gt;&gt;&gt; print &quot;&quot;&quot;&lt;xml xmlns=&quot;http://example.com&quot;&gt;&lt;tag   attr=&quot;bar&quot;   /</code><span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
 437 <code class="variable-string">&gt;&lt;/xml&gt;&quot;&quot;&quot;</code>
 438 <code class="variable-string">    &lt;xml xmlns=&quot;...&quot;&gt;</code>
 439 <code class="variable-string">      &lt;tag attr=&quot;...&quot; /&gt;</code>
 440 <code class="variable-ellipsis">...</code>
 441 </pre></td></tr></table>
 442 </dd>
 443   </dl>
 444 </td></tr></table>
 445 </div>
 446 <br />
 447 <!-- ==================== NAVIGATION BAR ==================== -->
 448 <table class="navbar" border="0" width="100%" cellpadding="0"
 449        bgcolor="#a0c0ff" cellspacing="0">
 450   <tr valign="middle">
 451   <!-- Home link -->
 452       <th>&nbsp;&nbsp;&nbsp;<a
 453         href="lxml-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>
 454
 455   <!-- Tree link -->
 456       <th>&nbsp;&nbsp;&nbsp;<a
 457         href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
 458
 459   <!-- Index link -->
 460       <th>&nbsp;&nbsp;&nbsp;<a
 461         href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
 462
 463   <!-- Help link -->
 464       <th>&nbsp;&nbsp;&nbsp;<a
 465         href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
 466
 467   <!-- Project homepage -->
 468       <th class="navbar" align="right" width="100%">
 469         <table border="0" cellpadding="0" cellspacing="0">
 470           <tr><th class="navbar" align="center"
 471             ><a class="navbar" target="_top" href="/">lxml API</a></th>
 472           </tr></table></th>
 473   </tr>
 474 </table>
 475 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
 476   <tr>
 477     <td align="left" class="footer">
 478     Generated by Epydoc 3.0.1
 479     on Thu Jul  9 18:29:53 2020
 480     </td>
 481     <td align="right" class="footer">
 482       <a target="mainFrame" href="http://epydoc.sourceforge.net"
 483         >http://epydoc.sourceforge.net</a>
 484     </td>
 485   </tr>
 486 </table>
 487
 488 <script type="text/javascript">
 489   <!--
 490   // Private objects are initially displayed (because if
 491   // javascript is turned off then we want them to be
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 494   checkCookie();
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