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

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  45         <a href="lxml-module.html">Package&nbsp;lxml</a> ::
  46         <a href="lxml.etree-module.html">Module&nbsp;etree</a> ::
  47         Class&nbsp;_ElementTree
  48       </span>
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  63 <!-- ==================== CLASS DESCRIPTION ==================== -->
  64 <h1 class="epydoc">Class _ElementTree</h1><p class="nomargin-top"></p>
  65 <pre class="base-tree">
  66 object --+
  67          |
  68         <strong class="uidshort">_ElementTree</strong>
  69 </pre>
  70
  71 <dl><dt>Known Subclasses:</dt>
  72 <dd>
  73       <ul class="subclass-list">
  74 <li class="private"><a href="lxml.etree._XSLTResultTree-class.html" onclick="show_private();">_XSLTResultTree</a></li>  </ul>
  75 </dd></dl>
  76
  77 <hr />
  78 <!-- ==================== INSTANCE METHODS ==================== -->
  79 <a name="section-InstanceMethods"></a>
  80 <table class="summary" border="1" cellpadding="3"
  81        cellspacing="0" width="100%" bgcolor="white">
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  83   <td colspan="2" class="table-header">
  84     <table border="0" cellpadding="0" cellspacing="0" width="100%">
  85       <tr valign="top">
  86         <td align="left"><span class="table-header">Instance Methods</span></td>
  87         <td align="right" valign="top"
  88          ><span class="options">[<a href="#section-InstanceMethods"
  89          class="privatelink" onclick="toggle_private();"
  90          >hide private</a>]</span></td>
  91       </tr>
  92     </table>
  93   </td>
  94 </tr>
  95 <tr>
  96     <td width="15%" align="right" valign="top" class="summary">
  97       <span class="summary-type">&nbsp;</span>
  98     </td><td class="summary">
  99       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 100         <tr>
 101           <td><span class="summary-sig"><a name="__copy__"></a><span class="summary-sig-name">__copy__</span>(<span class="summary-sig-arg">...</span>)</span></td>
 102           <td align="right" valign="top">
 103
 104
 105           </td>
 106         </tr>
 107       </table>
 108
 109     </td>
 110   </tr>
 111 <tr>
 112     <td width="15%" align="right" valign="top" class="summary">
 113       <span class="summary-type">&nbsp;</span>
 114     </td><td class="summary">
 115       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 116         <tr>
 117           <td><span class="summary-sig"><a name="__deepcopy__"></a><span class="summary-sig-name">__deepcopy__</span>(<span class="summary-sig-arg">...</span>)</span></td>
 118           <td align="right" valign="top">
 119
 120
 121           </td>
 122         </tr>
 123       </table>
 124
 125     </td>
 126   </tr>
 127 <tr>
 128     <td width="15%" align="right" valign="top" class="summary">
 129       <span class="summary-type">a new object with type S, a subtype of T</span>
 130     </td><td class="summary">
 131       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 132         <tr>
 133           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#__new__" class="summary-sig-name">__new__</a>(<span class="summary-sig-arg">T</span>,
 134         <span class="summary-sig-arg">S</span>,
 135         <span class="summary-sig-arg">...</span>)</span></td>
 136           <td align="right" valign="top">
 137
 138
 139           </td>
 140         </tr>
 141       </table>
 142
 143     </td>
 144   </tr>
 145 <tr class="private">
 146     <td width="15%" align="right" valign="top" class="summary">
 147       <span class="summary-type">&nbsp;</span>
 148     </td><td class="summary">
 149       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 150         <tr>
 151           <td><span class="summary-sig"><a name="_setroot"></a><span class="summary-sig-name">_setroot</span>(<span class="summary-sig-arg">self</span>,
 152         <span class="summary-sig-arg">root</span>)</span><br />
 153       Relocate the ElementTree to a new root node.</td>
 154           <td align="right" valign="top">
 155
 156
 157           </td>
 158         </tr>
 159       </table>
 160
 161     </td>
 162   </tr>
 163 <tr>
 164     <td width="15%" align="right" valign="top" class="summary">
 165       <span class="summary-type">&nbsp;</span>
 166     </td><td class="summary">
 167       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 168         <tr>
 169           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#find" class="summary-sig-name">find</a>(<span class="summary-sig-arg">self</span>,
 170         <span class="summary-sig-arg">path</span>,
 171         <span class="summary-sig-arg">namespaces</span>=<span class="summary-sig-default">None</span>)</span><br />
 172       Finds the first toplevel element with given tag.  Same as
 173 <tt class="rst-docutils literal"><span class="pre">tree.getroot().find(path)</span></tt>.</td>
 174           <td align="right" valign="top">
 175
 176
 177           </td>
 178         </tr>
 179       </table>
 180
 181     </td>
 182   </tr>
 183 <tr>
 184     <td width="15%" align="right" valign="top" class="summary">
 185       <span class="summary-type">&nbsp;</span>
 186     </td><td class="summary">
 187       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 188         <tr>
 189           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#findall" class="summary-sig-name">findall</a>(<span class="summary-sig-arg">self</span>,
 190         <span class="summary-sig-arg">path</span>,
 191         <span class="summary-sig-arg">namespaces</span>=<span class="summary-sig-default">None</span>)</span><br />
 192       Finds all elements matching the ElementPath expression.  Same as
 193 getroot().findall(path).</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._ElementTree-class.html#findtext" class="summary-sig-name">findtext</a>(<span class="summary-sig-arg">self</span>,
 210         <span class="summary-sig-arg">path</span>,
 211         <span class="summary-sig-arg">default</span>=<span class="summary-sig-default">None</span>,
 212         <span class="summary-sig-arg">namespaces</span>=<span class="summary-sig-default">None</span>)</span><br />
 213       Finds the text for the first element matching the ElementPath
 214 expression.  Same as getroot().findtext(path)</td>
 215           <td align="right" valign="top">
 216
 217
 218           </td>
 219         </tr>
 220       </table>
 221
 222     </td>
 223   </tr>
 224 <tr>
 225     <td width="15%" align="right" valign="top" class="summary">
 226       <span class="summary-type">&nbsp;</span>
 227     </td><td class="summary">
 228       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 229         <tr>
 230           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#getelementpath" class="summary-sig-name">getelementpath</a>(<span class="summary-sig-arg">self</span>,
 231         <span class="summary-sig-arg">element</span>)</span><br />
 232       Returns a structural, absolute ElementPath expression to find the
 233 element.  This path can be used in the .find() method to look up
 234 the element, provided that the elements along the path and their
 235 list of immediate children were not modified in between.</td>
 236           <td align="right" valign="top">
 237
 238
 239           </td>
 240         </tr>
 241       </table>
 242
 243     </td>
 244   </tr>
 245 <tr>
 246     <td width="15%" align="right" valign="top" class="summary">
 247       <span class="summary-type">&nbsp;</span>
 248     </td><td class="summary">
 249       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 250         <tr>
 251           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#getiterator" class="summary-sig-name">getiterator</a>(<span class="summary-sig-arg">self</span>,
 252         <span class="summary-sig-arg">tag</span>=<span class="summary-sig-default">None</span>,
 253         <span class="summary-sig-arg">*tags</span>)</span><br />
 254       Returns a sequence or iterator of all elements in document order
 255 (depth first pre-order), starting with the root element.</td>
 256           <td align="right" valign="top">
 257
 258
 259           </td>
 260         </tr>
 261       </table>
 262
 263     </td>
 264   </tr>
 265 <tr>
 266     <td width="15%" align="right" valign="top" class="summary">
 267       <span class="summary-type">&nbsp;</span>
 268     </td><td class="summary">
 269       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 270         <tr>
 271           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#getpath" class="summary-sig-name">getpath</a>(<span class="summary-sig-arg">self</span>,
 272         <span class="summary-sig-arg">element</span>)</span><br />
 273       Returns a structural, absolute XPath expression to find the element.</td>
 274           <td align="right" valign="top">
 275
 276
 277           </td>
 278         </tr>
 279       </table>
 280
 281     </td>
 282   </tr>
 283 <tr>
 284     <td width="15%" align="right" valign="top" class="summary">
 285       <span class="summary-type">&nbsp;</span>
 286     </td><td class="summary">
 287       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 288         <tr>
 289           <td><span class="summary-sig"><a name="getroot"></a><span class="summary-sig-name">getroot</span>(<span class="summary-sig-arg">self</span>)</span><br />
 290       Gets the root element for this tree.</td>
 291           <td align="right" valign="top">
 292
 293
 294           </td>
 295         </tr>
 296       </table>
 297
 298     </td>
 299   </tr>
 300 <tr>
 301     <td width="15%" align="right" valign="top" class="summary">
 302       <span class="summary-type">&nbsp;</span>
 303     </td><td class="summary">
 304       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 305         <tr>
 306           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#iter" class="summary-sig-name">iter</a>(<span class="summary-sig-arg">self</span>,
 307         <span class="summary-sig-arg">tag</span>=<span class="summary-sig-default">None</span>,
 308         <span class="summary-sig-arg">*tags</span>)</span><br />
 309       Creates an iterator for the root element.  The iterator loops over
 310 all elements in this tree, in document order.  Note that siblings
 311 of the root element (comments or processing instructions) are not
 312 returned by the iterator.</td>
 313           <td align="right" valign="top">
 314
 315
 316           </td>
 317         </tr>
 318       </table>
 319
 320     </td>
 321   </tr>
 322 <tr>
 323     <td width="15%" align="right" valign="top" class="summary">
 324       <span class="summary-type">&nbsp;</span>
 325     </td><td class="summary">
 326       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 327         <tr>
 328           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#iterfind" class="summary-sig-name">iterfind</a>(<span class="summary-sig-arg">self</span>,
 329         <span class="summary-sig-arg">path</span>,
 330         <span class="summary-sig-arg">namespaces</span>=<span class="summary-sig-default">None</span>)</span><br />
 331       Iterates over all elements matching the ElementPath expression.
 332 Same as getroot().iterfind(path).</td>
 333           <td align="right" valign="top">
 334
 335
 336           </td>
 337         </tr>
 338       </table>
 339
 340     </td>
 341   </tr>
 342 <tr>
 343     <td width="15%" align="right" valign="top" class="summary">
 344       <span class="summary-type">&nbsp;</span>
 345     </td><td class="summary">
 346       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 347         <tr>
 348           <td><span class="summary-sig"><a name="parse"></a><span class="summary-sig-name">parse</span>(<span class="summary-sig-arg">self</span>,
 349         <span class="summary-sig-arg">source</span>,
 350         <span class="summary-sig-arg">parser</span>=<span class="summary-sig-default">None</span>,
 351         <span class="summary-sig-arg">base_url</span>=<span class="summary-sig-default">None</span>)</span><br />
 352       Updates self with the content of source and returns its root.</td>
 353           <td align="right" valign="top">
 354
 355
 356           </td>
 357         </tr>
 358       </table>
 359
 360     </td>
 361   </tr>
 362 <tr>
 363     <td width="15%" align="right" valign="top" class="summary">
 364       <span class="summary-type">&nbsp;</span>
 365     </td><td class="summary">
 366       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 367         <tr>
 368           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#relaxng" class="summary-sig-name">relaxng</a>(<span class="summary-sig-arg">self</span>,
 369         <span class="summary-sig-arg">relaxng</span>)</span><br />
 370       Validate this document using other document.</td>
 371           <td align="right" valign="top">
 372
 373
 374           </td>
 375         </tr>
 376       </table>
 377
 378     </td>
 379   </tr>
 380 <tr>
 381     <td width="15%" align="right" valign="top" class="summary">
 382       <span class="summary-type">&nbsp;</span>
 383     </td><td class="summary">
 384       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 385         <tr>
 386           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#write" class="summary-sig-name">write</a>(<span class="summary-sig-arg">self</span>,
 387         <span class="summary-sig-arg">file</span>,
 388         <span class="summary-sig-arg">encoding</span>=<span class="summary-sig-default">None</span>,
 389         <span class="summary-sig-arg">method</span>=<span class="summary-sig-default">&quot;xml&quot;</span>,
 390         <span class="summary-sig-arg">pretty_print</span>=<span class="summary-sig-default">False</span>,
 391         <span class="summary-sig-arg">xml_declaration</span>=<span class="summary-sig-default">None</span>,
 392         <span class="summary-sig-arg">with_tail</span>=<span class="summary-sig-default">True</span>,
 393         <span class="summary-sig-arg">standalone</span>=<span class="summary-sig-default">None</span>,
 394         <span class="summary-sig-arg">doctype</span>=<span class="summary-sig-default">None</span>,
 395         <span class="summary-sig-arg">compression</span>=<span class="summary-sig-default">0</span>,
 396         <span class="summary-sig-arg">exclusive</span>=<span class="summary-sig-default">False</span>,
 397         <span class="summary-sig-arg">inclusive_ns_prefixes</span>=<span class="summary-sig-default">None</span>,
 398         <span class="summary-sig-arg">with_comments</span>=<span class="summary-sig-default">True</span>,
 399         <span class="summary-sig-arg">strip_text</span>=<span class="summary-sig-default">False</span>)</span><br />
 400       Write the tree to a filename, file or file-like object.</td>
 401           <td align="right" valign="top">
 402
 403
 404           </td>
 405         </tr>
 406       </table>
 407
 408     </td>
 409   </tr>
 410 <tr>
 411     <td width="15%" align="right" valign="top" class="summary">
 412       <span class="summary-type">&nbsp;</span>
 413     </td><td class="summary">
 414       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 415         <tr>
 416           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#write_c14n" class="summary-sig-name">write_c14n</a>(<span class="summary-sig-arg">self</span>,
 417         <span class="summary-sig-arg">file</span>,
 418         <span class="summary-sig-arg">exclusive</span>=<span class="summary-sig-default">False</span>,
 419         <span class="summary-sig-arg">with_comments</span>=<span class="summary-sig-default">True</span>,
 420         <span class="summary-sig-arg">compression</span>=<span class="summary-sig-default">0</span>,
 421         <span class="summary-sig-arg">inclusive_ns_prefixes</span>=<span class="summary-sig-default">None</span>)</span><br />
 422       C14N write of document. Always writes UTF-8.</td>
 423           <td align="right" valign="top">
 424
 425
 426           </td>
 427         </tr>
 428       </table>
 429
 430     </td>
 431   </tr>
 432 <tr>
 433     <td width="15%" align="right" valign="top" class="summary">
 434       <span class="summary-type">&nbsp;</span>
 435     </td><td class="summary">
 436       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 437         <tr>
 438           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#xinclude" class="summary-sig-name">xinclude</a>(<span class="summary-sig-arg">self</span>)</span><br />
 439       Process the XInclude nodes in this document and include the
 440 referenced XML fragments.</td>
 441           <td align="right" valign="top">
 442
 443
 444           </td>
 445         </tr>
 446       </table>
 447
 448     </td>
 449   </tr>
 450 <tr>
 451     <td width="15%" align="right" valign="top" class="summary">
 452       <span class="summary-type">&nbsp;</span>
 453     </td><td class="summary">
 454       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 455         <tr>
 456           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#xmlschema" class="summary-sig-name">xmlschema</a>(<span class="summary-sig-arg">self</span>,
 457         <span class="summary-sig-arg">xmlschema</span>)</span><br />
 458       Validate this document using other document.</td>
 459           <td align="right" valign="top">
 460
 461
 462           </td>
 463         </tr>
 464       </table>
 465
 466     </td>
 467   </tr>
 468 <tr>
 469     <td width="15%" align="right" valign="top" class="summary">
 470       <span class="summary-type">&nbsp;</span>
 471     </td><td class="summary">
 472       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 473         <tr>
 474           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#xpath" class="summary-sig-name">xpath</a>(<span class="summary-sig-arg">self</span>,
 475         <span class="summary-sig-arg">_path</span>,
 476         <span class="summary-sig-arg">namespaces</span>=<span class="summary-sig-default">None</span>,
 477         <span class="summary-sig-arg">extensions</span>=<span class="summary-sig-default">None</span>,
 478         <span class="summary-sig-arg">smart_strings</span>=<span class="summary-sig-default">True</span>,
 479         <span class="summary-sig-arg">**_variables</span>)</span><br />
 480       XPath evaluate in context of document.</td>
 481           <td align="right" valign="top">
 482
 483
 484           </td>
 485         </tr>
 486       </table>
 487
 488     </td>
 489   </tr>
 490 <tr>
 491     <td width="15%" align="right" valign="top" class="summary">
 492       <span class="summary-type">&nbsp;</span>
 493     </td><td class="summary">
 494       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 495         <tr>
 496           <td><span class="summary-sig"><a href="lxml.etree._ElementTree-class.html#xslt" class="summary-sig-name">xslt</a>(<span class="summary-sig-arg">self</span>,
 497         <span class="summary-sig-arg">_xslt</span>,
 498         <span class="summary-sig-arg">extensions</span>=<span class="summary-sig-default">None</span>,
 499         <span class="summary-sig-arg">access_control</span>=<span class="summary-sig-default">None</span>,
 500         <span class="summary-sig-arg">**_kw</span>)</span><br />
 501       Transform this document using other document.</td>
 502           <td align="right" valign="top">
 503
 504
 505           </td>
 506         </tr>
 507       </table>
 508
 509     </td>
 510   </tr>
 511   <tr>
 512     <td colspan="2" class="summary">
 513     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
 514       <code>__delattr__</code>,
 515       <code>__format__</code>,
 516       <code>__getattribute__</code>,
 517       <code>__hash__</code>,
 518       <code>__init__</code>,
 519       <code>__reduce__</code>,
 520       <code>__reduce_ex__</code>,
 521       <code>__repr__</code>,
 522       <code>__setattr__</code>,
 523       <code>__sizeof__</code>,
 524       <code>__str__</code>,
 525       <code>__subclasshook__</code>
 526       </p>
 527     </td>
 528   </tr>
 529 </table>
 530 <!-- ==================== PROPERTIES ==================== -->
 531 <a name="section-Properties"></a>
 532 <table class="summary" border="1" cellpadding="3"
 533        cellspacing="0" width="100%" bgcolor="white">
 534 <tr bgcolor="#70b0f0" class="table-header">
 535   <td colspan="2" class="table-header">
 536     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 537       <tr valign="top">
 538         <td align="left"><span class="table-header">Properties</span></td>
 539         <td align="right" valign="top"
 540          ><span class="options">[<a href="#section-Properties"
 541          class="privatelink" onclick="toggle_private();"
 542          >hide private</a>]</span></td>
 543       </tr>
 544     </table>
 545   </td>
 546 </tr>
 547 <tr>
 548     <td width="15%" align="right" valign="top" class="summary">
 549       <span class="summary-type">&nbsp;</span>
 550     </td><td class="summary">
 551         <a name="docinfo"></a><span class="summary-name">docinfo</span><br />
 552       Information about the document provided by parser and DTD.
 553     </td>
 554   </tr>
 555 <tr>
 556     <td width="15%" align="right" valign="top" class="summary">
 557       <span class="summary-type">&nbsp;</span>
 558     </td><td class="summary">
 559         <a name="parser"></a><span class="summary-name">parser</span><br />
 560       The parser that was used to parse the document in this ElementTree.
 561     </td>
 562   </tr>
 563   <tr>
 564     <td colspan="2" class="summary">
 565     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
 566       <code>__class__</code>
 567       </p>
 568     </td>
 569   </tr>
 570 </table>
 571 <!-- ==================== METHOD DETAILS ==================== -->
 572 <a name="section-MethodDetails"></a>
 573 <table class="details" border="1" cellpadding="3"
 574        cellspacing="0" width="100%" bgcolor="white">
 575 <tr bgcolor="#70b0f0" class="table-header">
 576   <td colspan="2" class="table-header">
 577     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 578       <tr valign="top">
 579         <td align="left"><span class="table-header">Method Details</span></td>
 580         <td align="right" valign="top"
 581          ><span class="options">[<a href="#section-MethodDetails"
 582          class="privatelink" onclick="toggle_private();"
 583          >hide private</a>]</span></td>
 584       </tr>
 585     </table>
 586   </td>
 587 </tr>
 588 </table>
 589 <a name="__new__"></a>
 590 <div>
 591 <table class="details" border="1" cellpadding="3"
 592        cellspacing="0" width="100%" bgcolor="white">
 593 <tr><td>
 594   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 595   <tr valign="top"><td>
 596   <h3 class="epydoc"><span class="sig"><span class="sig-name">__new__</span>(<span class="sig-arg">T</span>,
 597         <span class="sig-arg">S</span>,
 598         <span class="sig-arg">...</span>)</span>
 599   </h3>
 600   </td><td align="right" valign="top"
 601     >&nbsp;
 602     </td>
 603   </tr></table>
 604
 605
 606   <dl class="fields">
 607     <dt>Returns: a new object with type S, a subtype of T</dt>
 608     <dt>Overrides:
 609         object.__new__
 610     </dt>
 611   </dl>
 612 </td></tr></table>
 613 </div>
 614 <a name="find"></a>
 615 <div>
 616 <table class="details" border="1" cellpadding="3"
 617        cellspacing="0" width="100%" bgcolor="white">
 618 <tr><td>
 619   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 620   <tr valign="top"><td>
 621   <h3 class="epydoc"><span class="sig"><span class="sig-name">find</span>(<span class="sig-arg">self</span>,
 622         <span class="sig-arg">path</span>,
 623         <span class="sig-arg">namespaces</span>=<span class="sig-default">None</span>)</span>
 624   </h3>
 625   </td><td align="right" valign="top"
 626     >&nbsp;
 627     </td>
 628   </tr></table>
 629
 630   <p>Finds the first toplevel element with given tag.  Same as
 631 <tt class="rst-docutils literal"><span class="pre">tree.getroot().find(path)</span></tt>.</p>
 632 <p>The optional <tt class="rst-docutils literal">namespaces</tt> argument accepts a
 633 prefix-to-namespace mapping that allows the usage of XPath
 634 prefixes in the path expression.</p>
 635   <dl class="fields">
 636   </dl>
 637 </td></tr></table>
 638 </div>
 639 <a name="findall"></a>
 640 <div>
 641 <table class="details" border="1" cellpadding="3"
 642        cellspacing="0" width="100%" bgcolor="white">
 643 <tr><td>
 644   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 645   <tr valign="top"><td>
 646   <h3 class="epydoc"><span class="sig"><span class="sig-name">findall</span>(<span class="sig-arg">self</span>,
 647         <span class="sig-arg">path</span>,
 648         <span class="sig-arg">namespaces</span>=<span class="sig-default">None</span>)</span>
 649   </h3>
 650   </td><td align="right" valign="top"
 651     >&nbsp;
 652     </td>
 653   </tr></table>
 654
 655   <p>Finds all elements matching the ElementPath expression.  Same as
 656 getroot().findall(path).</p>
 657 <p>The optional <tt class="rst-docutils literal">namespaces</tt> argument accepts a
 658 prefix-to-namespace mapping that allows the usage of XPath
 659 prefixes in the path expression.</p>
 660   <dl class="fields">
 661   </dl>
 662 </td></tr></table>
 663 </div>
 664 <a name="findtext"></a>
 665 <div>
 666 <table class="details" border="1" cellpadding="3"
 667        cellspacing="0" width="100%" bgcolor="white">
 668 <tr><td>
 669   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 670   <tr valign="top"><td>
 671   <h3 class="epydoc"><span class="sig"><span class="sig-name">findtext</span>(<span class="sig-arg">self</span>,
 672         <span class="sig-arg">path</span>,
 673         <span class="sig-arg">default</span>=<span class="sig-default">None</span>,
 674         <span class="sig-arg">namespaces</span>=<span class="sig-default">None</span>)</span>
 675   </h3>
 676   </td><td align="right" valign="top"
 677     >&nbsp;
 678     </td>
 679   </tr></table>
 680
 681   <p>Finds the text for the first element matching the ElementPath
 682 expression.  Same as getroot().findtext(path)</p>
 683 <p>The optional <tt class="rst-docutils literal">namespaces</tt> argument accepts a
 684 prefix-to-namespace mapping that allows the usage of XPath
 685 prefixes in the path expression.</p>
 686   <dl class="fields">
 687   </dl>
 688 </td></tr></table>
 689 </div>
 690 <a name="getelementpath"></a>
 691 <div>
 692 <table class="details" border="1" cellpadding="3"
 693        cellspacing="0" width="100%" bgcolor="white">
 694 <tr><td>
 695   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 696   <tr valign="top"><td>
 697   <h3 class="epydoc"><span class="sig"><span class="sig-name">getelementpath</span>(<span class="sig-arg">self</span>,
 698         <span class="sig-arg">element</span>)</span>
 699   </h3>
 700   </td><td align="right" valign="top"
 701     >&nbsp;
 702     </td>
 703   </tr></table>
 704
 705   <p>Returns a structural, absolute ElementPath expression to find the
 706 element.  This path can be used in the .find() method to look up
 707 the element, provided that the elements along the path and their
 708 list of immediate children were not modified in between.</p>
 709 <p>ElementPath has the advantage over an XPath expression (as returned
 710 by the .getpath() method) that it does not require additional prefix
 711 declarations.  It is always self-contained.</p>
 712   <dl class="fields">
 713   </dl>
 714 </td></tr></table>
 715 </div>
 716 <a name="getiterator"></a>
 717 <div>
 718 <table class="details" border="1" cellpadding="3"
 719        cellspacing="0" width="100%" bgcolor="white">
 720 <tr><td>
 721   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 722   <tr valign="top"><td>
 723   <h3 class="epydoc"><span class="sig"><span class="sig-name">getiterator</span>(<span class="sig-arg">self</span>,
 724         <span class="sig-arg">tag</span>=<span class="sig-default">None</span>,
 725         <span class="sig-arg">*tags</span>)</span>
 726   </h3>
 727   </td><td align="right" valign="top"
 728     >&nbsp;
 729     </td>
 730   </tr></table>
 731
 732   <p>Returns a sequence or iterator of all elements in document order
 733 (depth first pre-order), starting with the root element.</p>
 734 <p>Can be restricted to find only elements with specific tags,
 735 see <a href="lxml.etree._Element-class.html#iter" class="link">_Element.iter</a>.</p>
 736   <dl class="fields">
 737   </dl>
 738 <div class="fields">      <p><strong>Deprecated:</strong>
 739         Note that this method is deprecated as of
 740 ElementTree 1.3 and lxml 2.0.  It returns an iterator in
 741 lxml, which diverges from the original ElementTree
 742 behaviour.  If you want an efficient iterator, use the
 743 <tt class="rst-docutils literal">tree.iter()</tt> method instead.  You should only use this
 744 method in new code if you require backwards compatibility
 745 with older versions of lxml or ElementTree.
 746       </p>
 747 </div></td></tr></table>
 748 </div>
 749 <a name="getpath"></a>
 750 <div>
 751 <table class="details" border="1" cellpadding="3"
 752        cellspacing="0" width="100%" bgcolor="white">
 753 <tr><td>
 754   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 755   <tr valign="top"><td>
 756   <h3 class="epydoc"><span class="sig"><span class="sig-name">getpath</span>(<span class="sig-arg">self</span>,
 757         <span class="sig-arg">element</span>)</span>
 758   </h3>
 759   </td><td align="right" valign="top"
 760     >&nbsp;
 761     </td>
 762   </tr></table>
 763
 764   <p>Returns a structural, absolute XPath expression to find the element.</p>
 765 <p>For namespaced elements, the expression uses prefixes from the
 766 document, which therefore need to be provided in order to make any
 767 use of the expression in XPath.</p>
 768 <p>Also see the method getelementpath(self, element), which returns a
 769 self-contained ElementPath expression.</p>
 770   <dl class="fields">
 771   </dl>
 772 </td></tr></table>
 773 </div>
 774 <a name="iter"></a>
 775 <div>
 776 <table class="details" border="1" cellpadding="3"
 777        cellspacing="0" width="100%" bgcolor="white">
 778 <tr><td>
 779   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 780   <tr valign="top"><td>
 781   <h3 class="epydoc"><span class="sig"><span class="sig-name">iter</span>(<span class="sig-arg">self</span>,
 782         <span class="sig-arg">tag</span>=<span class="sig-default">None</span>,
 783         <span class="sig-arg">*tags</span>)</span>
 784   </h3>
 785   </td><td align="right" valign="top"
 786     >&nbsp;
 787     </td>
 788   </tr></table>
 789
 790   <p>Creates an iterator for the root element.  The iterator loops over
 791 all elements in this tree, in document order.  Note that siblings
 792 of the root element (comments or processing instructions) are not
 793 returned by the iterator.</p>
 794 <p>Can be restricted to find only elements with specific tags,
 795 see <a href="lxml.etree._Element-class.html#iter" class="link">_Element.iter</a>.</p>
 796   <dl class="fields">
 797   </dl>
 798 </td></tr></table>
 799 </div>
 800 <a name="iterfind"></a>
 801 <div>
 802 <table class="details" border="1" cellpadding="3"
 803        cellspacing="0" width="100%" bgcolor="white">
 804 <tr><td>
 805   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 806   <tr valign="top"><td>
 807   <h3 class="epydoc"><span class="sig"><span class="sig-name">iterfind</span>(<span class="sig-arg">self</span>,
 808         <span class="sig-arg">path</span>,
 809         <span class="sig-arg">namespaces</span>=<span class="sig-default">None</span>)</span>
 810   </h3>
 811   </td><td align="right" valign="top"
 812     >&nbsp;
 813     </td>
 814   </tr></table>
 815
 816   <p>Iterates over all elements matching the ElementPath expression.
 817 Same as getroot().iterfind(path).</p>
 818 <p>The optional <tt class="rst-docutils literal">namespaces</tt> argument accepts a
 819 prefix-to-namespace mapping that allows the usage of XPath
 820 prefixes in the path expression.</p>
 821   <dl class="fields">
 822   </dl>
 823 </td></tr></table>
 824 </div>
 825 <a name="relaxng"></a>
 826 <div>
 827 <table class="details" border="1" cellpadding="3"
 828        cellspacing="0" width="100%" bgcolor="white">
 829 <tr><td>
 830   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 831   <tr valign="top"><td>
 832   <h3 class="epydoc"><span class="sig"><span class="sig-name">relaxng</span>(<span class="sig-arg">self</span>,
 833         <span class="sig-arg">relaxng</span>)</span>
 834   </h3>
 835   </td><td align="right" valign="top"
 836     >&nbsp;
 837     </td>
 838   </tr></table>
 839
 840   <p>Validate this document using other document.</p>
 841 <p>The relaxng argument is a tree that should contain a Relax NG schema.</p>
 842 <p>Returns True or False, depending on whether validation
 843 succeeded.</p>
 844 <p>Note: if you are going to apply the same Relax NG schema against
 845 multiple documents, it is more efficient to use the RelaxNG
 846 class directly.</p>
 847   <dl class="fields">
 848   </dl>
 849 </td></tr></table>
 850 </div>
 851 <a name="write"></a>
 852 <div>
 853 <table class="details" border="1" cellpadding="3"
 854        cellspacing="0" width="100%" bgcolor="white">
 855 <tr><td>
 856   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 857   <tr valign="top"><td>
 858   <h3 class="epydoc"><span class="sig"><span class="sig-name">write</span>(<span class="sig-arg">self</span>,
 859         <span class="sig-arg">file</span>,
 860         <span class="sig-arg">encoding</span>=<span class="sig-default">None</span>,
 861         <span class="sig-arg">method</span>=<span class="sig-default">&quot;xml&quot;</span>,
 862         <span class="sig-arg">pretty_print</span>=<span class="sig-default">False</span>,
 863         <span class="sig-arg">xml_declaration</span>=<span class="sig-default">None</span>,
 864         <span class="sig-arg">with_tail</span>=<span class="sig-default">True</span>,
 865         <span class="sig-arg">standalone</span>=<span class="sig-default">None</span>,
 866         <span class="sig-arg">doctype</span>=<span class="sig-default">None</span>,
 867         <span class="sig-arg">compression</span>=<span class="sig-default">0</span>,
 868         <span class="sig-arg">exclusive</span>=<span class="sig-default">False</span>,
 869         <span class="sig-arg">inclusive_ns_prefixes</span>=<span class="sig-default">None</span>,
 870         <span class="sig-arg">with_comments</span>=<span class="sig-default">True</span>,
 871         <span class="sig-arg">strip_text</span>=<span class="sig-default">False</span>)</span>
 872   </h3>
 873   </td><td align="right" valign="top"
 874     >&nbsp;
 875     </td>
 876   </tr></table>
 877
 878   <p>Write the tree to a filename, file or file-like object.</p>
 879 <p>Defaults to ASCII encoding and writing a declaration as needed.</p>
 880 <p>The keyword argument 'method' selects the output method:
 881 'xml', 'html', 'text' or 'c14n'.  Default is 'xml'.</p>
 882 <p>With <tt class="rst-docutils literal"><span class="pre">method=&quot;c14n&quot;</span></tt> (C14N version 1), the options <tt class="rst-docutils literal">exclusive</tt>,
 883 <tt class="rst-docutils literal">with_comments</tt> and <tt class="rst-docutils literal">inclusive_ns_prefixes</tt> request exclusive
 884 C14N, include comments, and list the inclusive prefixes respectively.</p>
 885 <p>With <tt class="rst-docutils literal"><span class="pre">method=&quot;c14n2&quot;</span></tt> (C14N version 2), the <tt class="rst-docutils literal">with_comments</tt> and
 886 <tt class="rst-docutils literal">strip_text</tt> options control the output of comments and text space
 887 according to C14N 2.0.</p>
 888 <p>Passing a boolean value to the <tt class="rst-docutils literal">standalone</tt> option will
 889 output an XML declaration with the corresponding
 890 <tt class="rst-docutils literal">standalone</tt> flag.</p>
 891 <p>The <tt class="rst-docutils literal">doctype</tt> option allows passing in a plain string that will
 892 be serialised before the XML tree.  Note that passing in non
 893 well-formed content here will make the XML output non well-formed.
 894 Also, an existing doctype in the document tree will not be removed
 895 when serialising an ElementTree instance.</p>
 896 <p>The <tt class="rst-docutils literal">compression</tt> option enables GZip compression level 1-9.</p>
 897 <p>The <tt class="rst-docutils literal">inclusive_ns_prefixes</tt> should be a list of namespace strings
 898 (i.e. ['xs', 'xsi']) that will be promoted to the top-level element
 899 during exclusive C14N serialisation.  This parameter is ignored if
 900 exclusive mode=False.</p>
 901 <p>If exclusive=True and no list is provided, a namespace will only be
 902 rendered if it is used by the immediate parent or one of its attributes
 903 and its prefix and values have not already been rendered by an ancestor
 904 of the namespace node's parent element.</p>
 905   <dl class="fields">
 906   </dl>
 907 </td></tr></table>
 908 </div>
 909 <a name="write_c14n"></a>
 910 <div>
 911 <table class="details" border="1" cellpadding="3"
 912        cellspacing="0" width="100%" bgcolor="white">
 913 <tr><td>
 914   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 915   <tr valign="top"><td>
 916   <h3 class="epydoc"><span class="sig"><span class="sig-name">write_c14n</span>(<span class="sig-arg">self</span>,
 917         <span class="sig-arg">file</span>,
 918         <span class="sig-arg">exclusive</span>=<span class="sig-default">False</span>,
 919         <span class="sig-arg">with_comments</span>=<span class="sig-default">True</span>,
 920         <span class="sig-arg">compression</span>=<span class="sig-default">0</span>,
 921         <span class="sig-arg">inclusive_ns_prefixes</span>=<span class="sig-default">None</span>)</span>
 922   </h3>
 923   </td><td align="right" valign="top"
 924     >&nbsp;
 925     </td>
 926   </tr></table>
 927
 928   <p>C14N write of document. Always writes UTF-8.</p>
 929 <p>The <tt class="rst-docutils literal">compression</tt> option enables GZip compression level 1-9.</p>
 930 <p>The <tt class="rst-docutils literal">inclusive_ns_prefixes</tt> should be a list of namespace strings
 931 (i.e. ['xs', 'xsi']) that will be promoted to the top-level element
 932 during exclusive C14N serialisation.  This parameter is ignored if
 933 exclusive mode=False.</p>
 934 <p>If exclusive=True and no list is provided, a namespace will only be
 935 rendered if it is used by the immediate parent or one of its attributes
 936 and its prefix and values have not already been rendered by an ancestor
 937 of the namespace node's parent element.</p>
 938 <p>NOTE: This method is deprecated as of lxml 4.4 and will be removed in a
 939 future release.  Use <tt class="rst-docutils literal">.write(f, <span class="pre">method=&quot;c14n&quot;)</span></tt> instead.</p>
 940   <dl class="fields">
 941   </dl>
 942 </td></tr></table>
 943 </div>
 944 <a name="xinclude"></a>
 945 <div>
 946 <table class="details" border="1" cellpadding="3"
 947        cellspacing="0" width="100%" bgcolor="white">
 948 <tr><td>
 949   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 950   <tr valign="top"><td>
 951   <h3 class="epydoc"><span class="sig"><span class="sig-name">xinclude</span>(<span class="sig-arg">self</span>)</span>
 952   </h3>
 953   </td><td align="right" valign="top"
 954     >&nbsp;
 955     </td>
 956   </tr></table>
 957
 958   <p>Process the XInclude nodes in this document and include the
 959 referenced XML fragments.</p>
 960 <p>There is support for loading files through the file system, HTTP and
 961 FTP.</p>
 962 <p>Note that XInclude does not support custom resolvers in Python space
 963 due to restrictions of libxml2 &lt;= 2.6.29.</p>
 964   <dl class="fields">
 965   </dl>
 966 </td></tr></table>
 967 </div>
 968 <a name="xmlschema"></a>
 969 <div>
 970 <table class="details" border="1" cellpadding="3"
 971        cellspacing="0" width="100%" bgcolor="white">
 972 <tr><td>
 973   <table width="100%" cellpadding="0" cellspacing="0" border="0">
 974   <tr valign="top"><td>
 975   <h3 class="epydoc"><span class="sig"><span class="sig-name">xmlschema</span>(<span class="sig-arg">self</span>,
 976         <span class="sig-arg">xmlschema</span>)</span>
 977   </h3>
 978   </td><td align="right" valign="top"
 979     >&nbsp;
 980     </td>
 981   </tr></table>
 982
 983   <p>Validate this document using other document.</p>
 984 <p>The xmlschema argument is a tree that should contain an XML Schema.</p>
 985 <p>Returns True or False, depending on whether validation
 986 succeeded.</p>
 987 <p>Note: If you are going to apply the same XML Schema against
 988 multiple documents, it is more efficient to use the XMLSchema
 989 class directly.</p>
 990   <dl class="fields">
 991   </dl>
 992 </td></tr></table>
 993 </div>
 994 <a name="xpath"></a>
 995 <div>
 996 <table class="details" border="1" cellpadding="3"
 997        cellspacing="0" width="100%" bgcolor="white">
 998 <tr><td>
 999   <table width="100%" cellpadding="0" cellspacing="0" border="0">
1000   <tr valign="top"><td>
1001   <h3 class="epydoc"><span class="sig"><span class="sig-name">xpath</span>(<span class="sig-arg">self</span>,
1002         <span class="sig-arg">_path</span>,
1003         <span class="sig-arg">namespaces</span>=<span class="sig-default">None</span>,
1004         <span class="sig-arg">extensions</span>=<span class="sig-default">None</span>,
1005         <span class="sig-arg">smart_strings</span>=<span class="sig-default">True</span>,
1006         <span class="sig-arg">**_variables</span>)</span>
1007   </h3>
1008   </td><td align="right" valign="top"
1009     >&nbsp;
1010     </td>
1011   </tr></table>
1012
1013   <p>XPath evaluate in context of document.</p>
1014 <p><tt class="rst-docutils literal">namespaces</tt> is an optional dictionary with prefix to namespace URI
1015 mappings, used by XPath.  <tt class="rst-docutils literal">extensions</tt> defines additional extension
1016 functions.</p>
1017 <p>Returns a list (nodeset), or bool, float or string.</p>
1018 <p>In case of a list result, return Element for element nodes,
1019 string for text and attribute values.</p>
1020 <p>Note: if you are going to apply multiple XPath expressions
1021 against the same document, it is more efficient to use
1022 XPathEvaluator directly.</p>
1023   <dl class="fields">
1024   </dl>
1025 </td></tr></table>
1026 </div>
1027 <a name="xslt"></a>
1028 <div>
1029 <table class="details" border="1" cellpadding="3"
1030        cellspacing="0" width="100%" bgcolor="white">
1031 <tr><td>
1032   <table width="100%" cellpadding="0" cellspacing="0" border="0">
1033   <tr valign="top"><td>
1034   <h3 class="epydoc"><span class="sig"><span class="sig-name">xslt</span>(<span class="sig-arg">self</span>,
1035         <span class="sig-arg">_xslt</span>,
1036         <span class="sig-arg">extensions</span>=<span class="sig-default">None</span>,
1037         <span class="sig-arg">access_control</span>=<span class="sig-default">None</span>,
1038         <span class="sig-arg">**_kw</span>)</span>
1039   </h3>
1040   </td><td align="right" valign="top"
1041     >&nbsp;
1042     </td>
1043   </tr></table>
1044
1045   <p>Transform this document using other document.</p>
1046 <p>xslt is a tree that should be XSLT
1047 keyword parameters are XSLT transformation parameters.</p>
1048 <p>Returns the transformed tree.</p>
1049 <p>Note: if you are going to apply the same XSLT stylesheet against
1050 multiple documents, it is more efficient to use the XSLT
1051 class directly.</p>
1052   <dl class="fields">
1053   </dl>
1054 </td></tr></table>
1055 </div>
1056 <br />
1057 <!-- ==================== NAVIGATION BAR ==================== -->
1058 <table class="navbar" border="0" width="100%" cellpadding="0"
1059        bgcolor="#a0c0ff" cellspacing="0">
1060   <tr valign="middle">
1061   <!-- Home link -->
1062       <th>&nbsp;&nbsp;&nbsp;<a
1063         href="lxml-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>
1064
1065   <!-- Tree link -->
1066       <th>&nbsp;&nbsp;&nbsp;<a
1067         href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
1068
1069   <!-- Index link -->
1070       <th>&nbsp;&nbsp;&nbsp;<a
1071         href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
1072
1073   <!-- Help link -->
1074       <th>&nbsp;&nbsp;&nbsp;<a
1075         href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
1076
1077   <!-- Project homepage -->
1078       <th class="navbar" align="right" width="100%">
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1080           <tr><th class="navbar" align="center"
1081             ><a class="navbar" target="_top" href="/">lxml API</a></th>
1082           </tr></table></th>
1083   </tr>
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1085 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
1086   <tr>
1087     <td align="left" class="footer">
1088     Generated by Epydoc 3.0.1
1089     on Thu Jul  9 18:29:53 2020
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1092       <a target="mainFrame" href="http://epydoc.sourceforge.net"
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