doc/html/api/lxml.etree.XSLT-class.html

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  44       <span class="breadcrumbs">
  45         <a href="lxml-module.html">Package&nbsp;lxml</a> ::
  46         <a href="lxml.etree-module.html">Module&nbsp;etree</a> ::
  47         Class&nbsp;XSLT
  48       </span>
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  50     <td>
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  52         <!-- hide/show private -->
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  63 <!-- ==================== CLASS DESCRIPTION ==================== -->
  64 <h1 class="epydoc">Class XSLT</h1><p class="nomargin-top"></p>
  65 <pre class="base-tree">
  66 object --+
  67          |
  68         <strong class="uidshort">XSLT</strong>
  69 </pre>
  70
  71 <hr />
  72 <p>XSLT(self, xslt_input, extensions=None, regexp=True, access_control=None)</p>
  73 <p>Turn an XSL document into an XSLT object.</p>
  74 <p>Calling this object on a tree or Element will execute the XSLT:</p>
  75 <pre class="rst-literal-block">
  76 transform = etree.XSLT(xsl_tree)
  77 result = transform(xml_tree)
  78 </pre>
  79 <p>Keyword arguments of the constructor:</p>
  80 <ul class="rst-simple">
  81 <li>extensions: a dict mapping <tt class="rst-docutils literal">(namespace, name)</tt> pairs to
  82 extension functions or extension elements</li>
  83 <li>regexp: enable exslt regular expression support in XPath
  84 (default: True)</li>
  85 <li>access_control: access restrictions for network or file
  86 system (see <a href="lxml.etree.XSLTAccessControl-class.html" class="link">XSLTAccessControl</a>)</li>
  87 </ul>
  88 <p>Keyword arguments of the XSLT call:</p>
  89 <ul class="rst-simple">
  90 <li>profile_run: enable XSLT profiling (default: False)</li>
  91 </ul>
  92 <p>Other keyword arguments of the call are passed to the stylesheet
  93 as parameters.</p>
  94
  95 <!-- ==================== INSTANCE METHODS ==================== -->
  96 <a name="section-InstanceMethods"></a>
  97 <table class="summary" border="1" cellpadding="3"
  98        cellspacing="0" width="100%" bgcolor="white">
  99 <tr bgcolor="#70b0f0" class="table-header">
 100   <td colspan="2" class="table-header">
 101     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 102       <tr valign="top">
 103         <td align="left"><span class="table-header">Instance Methods</span></td>
 104         <td align="right" valign="top"
 105          ><span class="options">[<a href="#section-InstanceMethods"
 106          class="privatelink" onclick="toggle_private();"
 107          >hide private</a>]</span></td>
 108       </tr>
 109     </table>
 110   </td>
 111 </tr>
 112 <tr>
 113     <td width="15%" align="right" valign="top" class="summary">
 114       <span class="summary-type">&nbsp;</span>
 115     </td><td class="summary">
 116       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 117         <tr>
 118           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#__call__" class="summary-sig-name">__call__</a>(<span class="summary-sig-arg">self</span>,
 119         <span class="summary-sig-arg">_input</span>,
 120         <span class="summary-sig-arg">profile_run</span>=<span class="summary-sig-default">False</span>,
 121         <span class="summary-sig-arg">**kw</span>)</span><br />
 122       Execute the XSL transformation on a tree or Element.</td>
 123           <td align="right" valign="top">
 124
 125
 126           </td>
 127         </tr>
 128       </table>
 129
 130     </td>
 131   </tr>
 132 <tr>
 133     <td width="15%" align="right" valign="top" class="summary">
 134       <span class="summary-type">&nbsp;</span>
 135     </td><td class="summary">
 136       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 137         <tr>
 138           <td><span class="summary-sig"><a name="__copy__"></a><span class="summary-sig-name">__copy__</span>(<span class="summary-sig-arg">...</span>)</span></td>
 139           <td align="right" valign="top">
 140
 141
 142           </td>
 143         </tr>
 144       </table>
 145
 146     </td>
 147   </tr>
 148 <tr>
 149     <td width="15%" align="right" valign="top" class="summary">
 150       <span class="summary-type">&nbsp;</span>
 151     </td><td class="summary">
 152       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 153         <tr>
 154           <td><span class="summary-sig"><a name="__deepcopy__"></a><span class="summary-sig-name">__deepcopy__</span>(<span class="summary-sig-arg">...</span>)</span></td>
 155           <td align="right" valign="top">
 156
 157
 158           </td>
 159         </tr>
 160       </table>
 161
 162     </td>
 163   </tr>
 164 <tr>
 165     <td width="15%" align="right" valign="top" class="summary">
 166       <span class="summary-type">&nbsp;</span>
 167     </td><td class="summary">
 168       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 169         <tr>
 170           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
 171         <span class="summary-sig-arg">xslt_input</span>,
 172         <span class="summary-sig-arg">extensions</span>=<span class="summary-sig-default">None</span>,
 173         <span class="summary-sig-arg">regexp</span>=<span class="summary-sig-default">True</span>,
 174         <span class="summary-sig-arg">access_control</span>=<span class="summary-sig-default">None</span>)</span><br />
 175       x.__init__(...) initializes x; see help(type(x)) for signature</td>
 176           <td align="right" valign="top">
 177
 178
 179           </td>
 180         </tr>
 181       </table>
 182
 183     </td>
 184   </tr>
 185 <tr>
 186     <td width="15%" align="right" valign="top" class="summary">
 187       <span class="summary-type">a new object with type S, a subtype of T</span>
 188     </td><td class="summary">
 189       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 190         <tr>
 191           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#__new__" class="summary-sig-name">__new__</a>(<span class="summary-sig-arg">T</span>,
 192         <span class="summary-sig-arg">S</span>,
 193         <span class="summary-sig-arg">...</span>)</span></td>
 194           <td align="right" valign="top">
 195
 196
 197           </td>
 198         </tr>
 199       </table>
 200
 201     </td>
 202   </tr>
 203 <tr>
 204     <td width="15%" align="right" valign="top" class="summary">
 205       <span class="summary-type">&nbsp;</span>
 206     </td><td class="summary">
 207       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 208         <tr>
 209           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#apply" class="summary-sig-name">apply</a>(<span class="summary-sig-arg">self</span>,
 210         <span class="summary-sig-arg">_input</span>,
 211         <span class="summary-sig-arg">profile_run</span>=<span class="summary-sig-default">False</span>,
 212         <span class="summary-sig-arg">**kw</span>)</span></td>
 213           <td align="right" valign="top">
 214
 215
 216           </td>
 217         </tr>
 218       </table>
 219
 220     </td>
 221   </tr>
 222 <tr>
 223     <td width="15%" align="right" valign="top" class="summary">
 224       <span class="summary-type">&nbsp;</span>
 225     </td><td class="summary">
 226       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 227         <tr>
 228           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#tostring" class="summary-sig-name">tostring</a>(<span class="summary-sig-arg">self</span>,
 229         <span class="summary-sig-arg">result_tree</span>)</span><br />
 230       Save result doc to string based on stylesheet output method.</td>
 231           <td align="right" valign="top">
 232
 233
 234           </td>
 235         </tr>
 236       </table>
 237
 238     </td>
 239   </tr>
 240   <tr>
 241     <td colspan="2" class="summary">
 242     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
 243       <code>__delattr__</code>,
 244       <code>__format__</code>,
 245       <code>__getattribute__</code>,
 246       <code>__hash__</code>,
 247       <code>__reduce__</code>,
 248       <code>__reduce_ex__</code>,
 249       <code>__repr__</code>,
 250       <code>__setattr__</code>,
 251       <code>__sizeof__</code>,
 252       <code>__str__</code>,
 253       <code>__subclasshook__</code>
 254       </p>
 255     </td>
 256   </tr>
 257 </table>
 258 <!-- ==================== STATIC METHODS ==================== -->
 259 <a name="section-StaticMethods"></a>
 260 <table class="summary" border="1" cellpadding="3"
 261        cellspacing="0" width="100%" bgcolor="white">
 262 <tr bgcolor="#70b0f0" class="table-header">
 263   <td colspan="2" class="table-header">
 264     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 265       <tr valign="top">
 266         <td align="left"><span class="table-header">Static Methods</span></td>
 267         <td align="right" valign="top"
 268          ><span class="options">[<a href="#section-StaticMethods"
 269          class="privatelink" onclick="toggle_private();"
 270          >hide private</a>]</span></td>
 271       </tr>
 272     </table>
 273   </td>
 274 </tr>
 275 <tr>
 276     <td width="15%" align="right" valign="top" class="summary">
 277       <span class="summary-type">&nbsp;</span>
 278     </td><td class="summary">
 279       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 280         <tr>
 281           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#set_global_max_depth" class="summary-sig-name">set_global_max_depth</a>(<span class="summary-sig-arg">max_depth</span>)</span><br />
 282       The maximum traversal depth that the stylesheet engine will allow.
 283 This does not only count the template recursion depth but also takes
 284 the number of variables/parameters into account.  The required setting
 285 for a run depends on both the stylesheet and the input data.</td>
 286           <td align="right" valign="top">
 287
 288
 289           </td>
 290         </tr>
 291       </table>
 292
 293     </td>
 294   </tr>
 295 <tr>
 296     <td width="15%" align="right" valign="top" class="summary">
 297       <span class="summary-type">&nbsp;</span>
 298     </td><td class="summary">
 299       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 300         <tr>
 301           <td><span class="summary-sig"><a href="lxml.etree.XSLT-class.html#strparam" class="summary-sig-name">strparam</a>(<span class="summary-sig-arg">strval</span>)</span><br />
 302       Mark an XSLT string parameter that requires quote escaping
 303 before passing it into the transformation.  Use it like this:</td>
 304           <td align="right" valign="top">
 305
 306
 307           </td>
 308         </tr>
 309       </table>
 310
 311     </td>
 312   </tr>
 313 </table>
 314 <!-- ==================== PROPERTIES ==================== -->
 315 <a name="section-Properties"></a>
 316 <table class="summary" border="1" cellpadding="3"
 317        cellspacing="0" width="100%" bgcolor="white">
 318 <tr bgcolor="#70b0f0" class="table-header">
 319   <td colspan="2" class="table-header">
 320     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 321       <tr valign="top">
 322         <td align="left"><span class="table-header">Properties</span></td>
 323         <td align="right" valign="top"
 324          ><span class="options">[<a href="#section-Properties"
 325          class="privatelink" onclick="toggle_private();"
 326          >hide private</a>]</span></td>
 327       </tr>
 328     </table>
 329   </td>
 330 </tr>
 331 <tr>
 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="error_log"></a><span class="summary-name">error_log</span><br />
 336       The log of errors and warnings of an XSLT execution.
 337     </td>
 338   </tr>
 339   <tr>
 340     <td colspan="2" class="summary">
 341     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
 342       <code>__class__</code>
 343       </p>
 344     </td>
 345   </tr>
 346 </table>
 347 <!-- ==================== METHOD DETAILS ==================== -->
 348 <a name="section-MethodDetails"></a>
 349 <table class="details" border="1" cellpadding="3"
 350        cellspacing="0" width="100%" bgcolor="white">
 351 <tr bgcolor="#70b0f0" class="table-header">
 352   <td colspan="2" class="table-header">
 353     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 354       <tr valign="top">
 355         <td align="left"><span class="table-header">Method Details</span></td>
 356         <td align="right" valign="top"
 357          ><span class="options">[<a href="#section-MethodDetails"
 358          class="privatelink" onclick="toggle_private();"
 359          >hide private</a>]</span></td>
 360       </tr>
 361     </table>
 362   </td>
 363 </tr>
 364 </table>
 365 <a name="__call__"></a>
 366 <div>
 367 <table class="details" border="1" cellpadding="3"
 368        cellspacing="0" width="100%" bgcolor="white">
 369 <tr><td>
 370   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 371   <tr valign="top"><td>
 372   <h3 class="epydoc"><span class="sig"><span class="sig-name">__call__</span>(<span class="sig-arg">self</span>,
 373         <span class="sig-arg">_input</span>,
 374         <span class="sig-arg">profile_run</span>=<span class="sig-default">False</span>,
 375         <span class="sig-arg">**kw</span>)</span>
 376     <br /><em class="fname">(Call operator)</em>
 377   </h3>
 378   </td><td align="right" valign="top"
 379     >&nbsp;
 380     </td>
 381   </tr></table>
 382
 383   <p>Execute the XSL transformation on a tree or Element.</p>
 384 <p>Pass the <tt class="rst-docutils literal">profile_run</tt> option to get profile information
 385 about the XSLT.  The result of the XSLT will have a property
 386 xslt_profile that holds an XML tree with profiling data.</p>
 387   <dl class="fields">
 388   </dl>
 389 </td></tr></table>
 390 </div>
 391 <a name="__init__"></a>
 392 <div>
 393 <table class="details" border="1" cellpadding="3"
 394        cellspacing="0" width="100%" bgcolor="white">
 395 <tr><td>
 396   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 397   <tr valign="top"><td>
 398   <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
 399         <span class="sig-arg">xslt_input</span>,
 400         <span class="sig-arg">extensions</span>=<span class="sig-default">None</span>,
 401         <span class="sig-arg">regexp</span>=<span class="sig-default">True</span>,
 402         <span class="sig-arg">access_control</span>=<span class="sig-default">None</span>)</span>
 403     <br /><em class="fname">(Constructor)</em>
 404   </h3>
 405   </td><td align="right" valign="top"
 406     >&nbsp;
 407     </td>
 408   </tr></table>
 409
 410   x.__init__(...) initializes x; see help(type(x)) for signature
 411   <dl class="fields">
 412     <dt>Overrides:
 413         object.__init__
 414     </dt>
 415   </dl>
 416 </td></tr></table>
 417 </div>
 418 <a name="__new__"></a>
 419 <div>
 420 <table class="details" border="1" cellpadding="3"
 421        cellspacing="0" width="100%" bgcolor="white">
 422 <tr><td>
 423   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 424   <tr valign="top"><td>
 425   <h3 class="epydoc"><span class="sig"><span class="sig-name">__new__</span>(<span class="sig-arg">T</span>,
 426         <span class="sig-arg">S</span>,
 427         <span class="sig-arg">...</span>)</span>
 428   </h3>
 429   </td><td align="right" valign="top"
 430     >&nbsp;
 431     </td>
 432   </tr></table>
 433
 434
 435   <dl class="fields">
 436     <dt>Returns: a new object with type S, a subtype of T</dt>
 437     <dt>Overrides:
 438         object.__new__
 439     </dt>
 440   </dl>
 441 </td></tr></table>
 442 </div>
 443 <a name="apply"></a>
 444 <div>
 445 <table class="details" border="1" cellpadding="3"
 446        cellspacing="0" width="100%" bgcolor="white">
 447 <tr><td>
 448   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 449   <tr valign="top"><td>
 450   <h3 class="epydoc"><span class="sig"><span class="sig-name">apply</span>(<span class="sig-arg">self</span>,
 451         <span class="sig-arg">_input</span>,
 452         <span class="sig-arg">profile_run</span>=<span class="sig-default">False</span>,
 453         <span class="sig-arg">**kw</span>)</span>
 454   </h3>
 455   </td><td align="right" valign="top"
 456     >&nbsp;
 457     </td>
 458   </tr></table>
 459
 460
 461   <dl class="fields">
 462   </dl>
 463 <div class="fields">      <p><strong>Deprecated:</strong>
 464         call the object, not this method.
 465       </p>
 466 </div></td></tr></table>
 467 </div>
 468 <a name="set_global_max_depth"></a>
 469 <div>
 470 <table class="details" border="1" cellpadding="3"
 471        cellspacing="0" width="100%" bgcolor="white">
 472 <tr><td>
 473   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 474   <tr valign="top"><td>
 475   <h3 class="epydoc"><span class="sig"><span class="sig-name">set_global_max_depth</span>(<span class="sig-arg">max_depth</span>)</span>
 476     <br /><em class="fname">Static Method</em>
 477   </h3>
 478   </td><td align="right" valign="top"
 479     >&nbsp;
 480     </td>
 481   </tr></table>
 482
 483   <p>The maximum traversal depth that the stylesheet engine will allow.
 484 This does not only count the template recursion depth but also takes
 485 the number of variables/parameters into account.  The required setting
 486 for a run depends on both the stylesheet and the input data.</p>
 487 <p>Example:</p>
 488 <pre class="rst-literal-block">
 489 XSLT.set_global_max_depth(5000)
 490 </pre>
 491 <p>Note that this is currently a global, module-wide setting because
 492 libxslt does not support it at a per-stylesheet level.</p>
 493   <dl class="fields">
 494   </dl>
 495 </td></tr></table>
 496 </div>
 497 <a name="strparam"></a>
 498 <div>
 499 <table class="details" border="1" cellpadding="3"
 500        cellspacing="0" width="100%" bgcolor="white">
 501 <tr><td>
 502   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 503   <tr valign="top"><td>
 504   <h3 class="epydoc"><span class="sig"><span class="sig-name">strparam</span>(<span class="sig-arg">strval</span>)</span>
 505     <br /><em class="fname">Static Method</em>
 506   </h3>
 507   </td><td align="right" valign="top"
 508     >&nbsp;
 509     </td>
 510   </tr></table>
 511
 512   <p>Mark an XSLT string parameter that requires quote escaping
 513 before passing it into the transformation.  Use it like this:</p>
 514 <pre class="rst-literal-block">
 515 result = transform(doc, some_strval = XSLT.strparam(
 516     '''it's &quot;Monty Python's&quot; ...'''))
 517 </pre>
 518 <p>Escaped string parameters can be reused without restriction.</p>
 519   <dl class="fields">
 520   </dl>
 521 </td></tr></table>
 522 </div>
 523 <a name="tostring"></a>
 524 <div>
 525 <table class="details" border="1" cellpadding="3"
 526        cellspacing="0" width="100%" bgcolor="white">
 527 <tr><td>
 528   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 529   <tr valign="top"><td>
 530   <h3 class="epydoc"><span class="sig"><span class="sig-name">tostring</span>(<span class="sig-arg">self</span>,
 531         <span class="sig-arg">result_tree</span>)</span>
 532   </h3>
 533   </td><td align="right" valign="top"
 534     >&nbsp;
 535     </td>
 536   </tr></table>
 537
 538   Save result doc to string based on stylesheet output method.
 539   <dl class="fields">
 540   </dl>
 541 <div class="fields">      <p><strong>Deprecated:</strong>
 542         use str(result_tree) instead.
 543       </p>
 544 </div></td></tr></table>
 545 </div>
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