nvhtml 0.0.44
A Python library manipulate html
License: MIT license
Keywords: html,tag,level,search

.. image:: ./images/logo.png
        :target: https://pypi.python.org/pypi/nvhtml
        :alt: nvhtml PyPi Home Page

======
ReadMe
======


.. image:: ./images/pypi.png
        :target: https://pypi.python.org/pypi/nvhtml
        :alt: Pypi Python Package Index Status

.. image:: ./images/rdocs.png
        :target: https://nvhtml.readthedocs.io/en/latest
        :alt: Documentation Status


`Installation <https://nvhtml.readthedocs.io/en/latest/installation/>`_
-----------------------------------------------------------------------
    ::
    
    $ pip3 install nvhtml

- refer to `Installation <https://nvhtml.readthedocs.io/en/latest/installation/>`_



`Documentation <https://nvhtml.readthedocs.io>`_
------------------------------------------------

- refer to https://nvhtml.readthedocs.io

License
-------

- MIT



`Quickstart <https://nvhtml.readthedocs.io/en/latest/usage/>`_
--------------------------------------------------------------
- refer to `Usage <https://nvhtml.readthedocs.io/en/latest/usage/>`_


Features
--------

- search html via tags-pathlist 
- search html via breadth,depth
- search html via tag
- width first traverse html 
- description matrix of html
- depth first traverse html (sax)
- beautify html
- get html node via relationship:
      - ancestor,descendants,parent,grand-parent,children,
      - siblings,lsib,rcib,preceding-sib,following-sib,
      - lcin,rcin


References
----------

* elist

 * https://github.com/ihgazni2/elist

* mlconjug(for docs template format)

 * https://github.com/SekouD/mlconjug/tree/master/docs





============
Installation
============


From pip
--------------

To install nvhtml, run this command in your terminal:

.. code-block:: console

        $ pip3 install nvhtml


From sources
------------

The sources for nvhtml can be downloaded from the github repo:


.. code-block:: console

        $ git clone git@github.com:ihgazni2/nvhtml.git


Once you have a copy of the source, you can install it with:

.. code-block:: console

        $ python setup.py install

=====
Usage
=====

Command Line
------------

rshtml write rule
^^^^^^^^^^^^^^^^^
:\# pound:     `comment`
:\- dash:     `attrib`
:\. dot:     `text and tail`
:\| vbar:     `text and tail content can multiline`


rshtml
^^^^^^

    ::

        NVHTML-BENCH# cat tstrs.rshtml
        html
            head
                meta
                    -http-equiv X-UA-Compatible
                    -content IE=edge,chrome=1
                meta
                    -name viewport
                    -content user-scalable=yes, initial-scale=1.0, minimum-scale=1.0, maximum-scale=3.0
                link
            body
                div
                    -id menu-item-27961
                    -class qtranxs-lang-menu-item menu-item-object-custom
                    .text
                        |hello
                        |hihihi
                    .tail
                        |this is a tail
                    li
                div
                    li
                div
            #comment
                .text
                    |this is acomment
        NVHTML-BENCH#


        NVHTML-BENCH# nvhtml_rsh2html -input tstrs.rshtml
        
        NVHTML-BENCH# ls -l | egrep tstrs.rshtml
        -rw-r--r-- 1 root root    597 Aug 19 11:36 tstrs.rshtml
        -rw-r--r-- 1 root root    658 Aug 19 11:56 tstrs.rshtml.html
        
        
        
        NVHTML-BENCH# cat  tstrs.rshtml.html
        <html>
            <head>
                <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
                </meta>
                <meta name="viewport" content="user-scalable=yes, initial-scale=1.0, minimum-scale=1.0, maximum-scale=3.0">
                </meta>
                <link>
                </link>
            </head>
            <body>
                <div id="menu-item-27961" class="qtranxs-lang-menu-item menu-item-object-custom">
                    hello
                    hihihi
                    <li>
                    </li>
                </div>
                this is a tail
                <div>
                    <li>
                    </li>
                </div>
                <div>
                </div>
            </body>
            <!--
                this is acomment
            -->
        </html>
        NVHTML-BENCH#
        
        
        
        vice versa
        NVHTML-BENCH# nvhtml_html2rsh -input tstrs.html

vertical show
^^^^^^^^^^^^^
 
with color
~~~~~~~~~~

    ::
        
        NVHTML-BENCH# nvhtml_struct_show -input disp.html
        color:  True
        --------------------------
        |          html          |
        --------------------------
        | head |      body       |
        --------------------------
        |      | div |    div    |
        --------------------------
        |      |     | div | div |
        --------------------------


.. image:: ./images/nvhtml_struct_show.0.png


no color
~~~~~~~~

    ::

        #if two big, disable color , and open it in editor such as notepad ++
        NVHTML-BENCH# nvhtml_struct_show -input opis.html -color "no" > html_txt_tb
        
.. image:: ./images/nvhtml_struct_show.1.png


nvrsh_struct_show
~~~~~~~~~~~~~~~~~~
    
    ::
        
        TEST# nvrsh_struct_show -input jobj2.rshtml
        color:  True
        -------------------------------
        |            html             |
        -------------------------------
        |            body             |
        -------------------------------
        |        im-dict-root         |
        -------------------------------
        |    l    |    t    |    s    |
        -------------------------------
        | o0 | o1 | o0 | o1 | u0 | u1 |
        -------------------------------
        | a0 | a1 | t0 | t1 | s0 | s1 |
        -------------------------------


        NVHTML# cat TEST/jobj2.rshtml
        im-dict-root
            l
                o0
                    a0
                o1
                    a1
            t
                o0
                    t0
                o1
                    t1
            s
                u0
                    s0
                u1
                    s1
        NVHTML#       
 

beautify
^^^^^^^^
    
    ::

        nvhtml_beauty -input opis.html
        vim opis.html.out.html
        
        # nvhtml_beauty -h
        usage: nvhtml_beauty [-h] [-input INPUT_HTML_FILE] [-output OUTPUT_HTML_FILE] [-codec INPUT_CODEC]

        optional arguments:
          -h,           --help                      show this help message and exit
          -input        --input_html_file           input html file name
          -output       --output_html_file          output html file name
          -codec        --input_codec               input html file codec





search with loc
^^^^^^^^^^^^^^^
     
    ::
        
        NVHTML-BENCH# nvhtml_loc -h
        usage: nvhtml_loc [-h] [-input INPUT_HTML_FILE] [-codec INPUT_CODEC]
                          [-loc MAT_LOC]
        
        optional arguments:
          -h,     --help                 show this help message and exit
          -input  --input_html_file      input html file name
          -codec  --input_codec          input html file codec
          -loc    --mat_loc              depth,breadth


        NVHTML-BENCH# nvhtml_loc -input opis.html -loc 11,2
        <------json-----
        {
         'pl':
               [
                'html',
                'body',
                'div',
                'div',
                'header',
                'div',
                'nav',
                'div',
                'ul',
                'li',
                'ul',
                'li'
               ],
         'breadth': 2,
         'depth': 11,
         'pbreadth': 2,
         'samepl_sibseq': 0,
         'samepl_breadth': 0,
         'tag': 'li',
         'sibseq': 0,
         'attrib':
                   {
                    'id': 'menu-item-22951',
                    'class': 'menu-item menu-item-type-post_type menu-item-object-page menu-item-22951'
                   },
         'text': None,
         'tail': '\n\t',
         'text_intag': ''
        }
        ------json---->
        
        <----------html--------------
        <li id="menu-item-22951" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-22951">
            <a href="https://opistobranquis.info/en/home/presentacio/">
                <span>
                    Presentation
                </span>
            </a>
        </li>
        
        <----------html--------------



        
tag search with depth
^^^^^^^^^^^^^^^^^^^^^
    
    ::
    
        NVHTML-BENCH# nvhtml_tag -h
        usage: nvhtml_tag [-h] [-input INPUT_HTML_FILE] [-codec INPUT_CODEC]
                          [-tag HTML_TAG] [-which WHICH_TAG]
                          [-sdepth START_LEVEL_DEPTH] [-edepth END_LEVEL_DEPTH]
        
        optional arguments:
          -h,                     --help                show this help message and exit
          -input                  --input_html_file     input html file name
          -codec                  --input_codec         input html file codec
          -tag                    --html_tag            html tag for search
          -which                  --which_tag           sequence of tag-array
          -sdepth                 --start_level_depth   start level depth
          -edepth                 --end_level_depth     end level depth
        NVHTML-BENCH#

        NVHTML-BENCH# nvhtml_tag -input opis.html.out.html -tag img -sdepth 3 -edepth 6
        <img alt="Twitter" src="https://opistobranquis.info/wp-content/themes/tempera/images/socials/Twitter.png">
        </img>
        
        <img alt="Facebook" src="https://opistobranquis.info/wp-content/themes/tempera/images/socials/Facebook.png">
        </img>
        
        <img alt="Twitter" src="https://opistobranquis.info/wp-content/themes/tempera/images/socials/Twitter.png">
        </img>
        
        <img alt="Facebook" src="https://opistobranquis.info/wp-content/themes/tempera/images/socials/Facebook.png">
        </img>
        
        <img style="float: right; display: none" class="loading" src="https://opistobranquis.info/wp-content/plugins/jetpack/modules/sharedaddy/images/loading.gif" alt="loading" width="16" height="16">
        </img>
        
        NVHTML-BENCH#    


search with tags-path
^^^^^^^^^^^^^^^^^^^^^
    
    ::
        
        NVHTML-BENCH# nvhtml_tgpth -input opis.html  -tgpth html.body.di
        [
         'div',
         'div',
         'div',
         'div'
        ]
        
        
        NVHTML-BENCH# nvhtml_tgpth -input opis.html  -tgpth html.body.div
        [
         0,
         1,
         2,
         3
        ]
        
        NVHTML-BENCH#
        NVHTML-BENCH# nvhtml_tgpth -input opis.html  -tgpth html.body.div.3
        <div id="cookie-banner">
        
            <div id="cookie-banner-container">
        
                <div class="left">
                                                Our website uses cookies. By accessing our website and
                    <br>
                    </br>
                    agreeing to this policy, you consent to our use of cookies.
                </div>
        
                <div class="right">
        
                    <a class="accept" href="#">
                        ACCEPT
                    </a>
        
                    <a class="more-info" href="https://opistobranquis.info/1HWEw">
                                                                MORE INFO
                    </a>
        
                </div>
        
            </div>
        </div>
        NVHTML-BENCH#


        usage: nvhtml_tgpth [-h] [-input INPUT_HTML_FILE] [-codec INPUT_CODEC]
                            [-tgpth TAG_PATH]
        
        optional arguments:
          -h,        --help                                  show this help message and exit
          -input     --input_html_file INPUT_HTML_FILE       input html file name
          -codec     --input_codec INPUT_CODEC               input html file codec
          -tgpth     --tag_path TAG_PATH                      html tag dot path


html to db
^^^^^^^^^^
    
    ::
        
        NVHTML-BENCH# nvhtml_sqlite -input opis.html
        db:  ./opis.html.sqlite.db
        table:  tb_html
        NVHTML-BENCH#



        NVHTML-BENCH# sqlite3 opis.html.sqlite.db
        SQLite version 3.22.0 2018-01-22 18:45:57
        Enter ".help" for usage hints.
        sqlite>
        sqlite> .table
        tb_html
        sqlite>
        sqlite> .schema tb_html
        CREATE TABLE IF NOT EXISTS "tb_html" (
        "index" INTEGER,
          "_pl" TEXT,
          "_breadth" TEXT,
          "_depth" TEXT,
          "_pbreadth" TEXT,
          "_samepl_sibseq" TEXT,
          "_samepl_breadth" TEXT,
          "_tag" TEXT,
          "_sibseq" TEXT,
          "_text" TEXT,
          "_tail" TEXT,
          "class" TEXT,
          "href" TEXT,
          "id" TEXT,
          "style" TEXT,
          "type" TEXT,
          "src" TEXT,
          "rel" TEXT,
          "target" TEXT,
          "title" TEXT,
          "content" TEXT,
          "alt" TEXT,
          "media" TEXT,
          "name" TEXT,
          "align" TEXT,
          "property" TEXT,
          "role" TEXT,
          "value" TEXT,
          "data-shared" TEXT,
          "hreflang" TEXT,
          "for" TEXT,
          "aria-current" TEXT,
          "colspan" TEXT,
          "method" TEXT,
          "action" TEXT,
          "sizes" TEXT,
          "placeholder" TEXT,
          "height" TEXT,
          "width" TEXT,
          "http-equiv" TEXT,
          "autocomplete" TEXT,
          "data-layout" TEXT,
          "data-orig-file" TEXT,
          "data-href" TEXT,
          "lang" TEXT,
          "data-image-title" TEXT,
          "data-recalc-dims" TEXT,
          "data-attachment-id" TEXT,
          "data-text" TEXT,
          "data-flxmap" TEXT,
          "size" TEXT,
          "data-image-description" TEXT,
          "data-medium-file" TEXT,
          "async" TEXT,
          "language" TEXT,
          "srcset" TEXT,
          "data-comments-opened" TEXT,
          "data-large-file" TEXT,
          "data-via" TEXT,
          "defer" TEXT,
          "data-permalink" TEXT,
          "data-image-meta" TEXT,
          "data-noptimize" TEXT,
          "data-url" TEXT,
          "data-orig-size" TEXT
        );
        CREATE INDEX "ix_tb_html_index"ON "tb_html" ("index");
        sqlite>


        sqlite>
        sqlite> SELECT src FROM tb_html WHERE  _tag=="img" AND src like "%acebook.png";
        https://opistobranquis.info/wp-content/themes/tempera/images/socials/Facebook.png
        https://opistobranquis.info/wp-content/themes/tempera/images/socials/Facebook.png
        https://opistobranquis.info/wp-content/themes/tempera/images/socials/Facebook.png
        https://opistobranquis.info/wp-content/themes/tempera/images/socials/Facebook.png
        sqlite>
        sqlite>
        sqlite>
        sqlite>
        sqlite> SELECT href FROM tb_html WHERE  _tag=="link" AND href like "%.com";
        //s0.wp.com
        //c0.wp.com
        //i0.wp.com
        //i1.wp.com
        //i2.wp.com
        sqlite>


html to dir
^^^^^^^^^^^
    
    ::
        
        NVHTML-BENCH# mkdir TMP
        NVHTML-BENCH# nvhtml_dir -input opis.html -wkdir TMP

        NVHTML-BENCH# tree -fdL 4 TMP | head
        TMP
        └── TMP/html.0
            ├── TMP/html.0/body.1
            │   ├── TMP/html.0/body.1/<comment>.91
            │   ├── TMP/html.0/body.1/div.90
            │   │   ├── TMP/html.0/body.1/div.90/<comment>.4
            │   │   ├── TMP/html.0/body.1/div.90/<comment>.7
            │   │   ├── TMP/html.0/body.1/div.90/div.0
            │   │   ├── TMP/html.0/body.1/div.90/div.1
            │   │   ├── TMP/html.0/body.1/div.90/div.2
        NVHTML-BENCH#
        NVHTML-BENCH# tree -fdL 4 TMP | tail
                ├── TMP/html.0/head.0/style.45
                ├── TMP/html.0/head.0/style.55
                ├── TMP/html.0/head.0/style.56
                ├── TMP/html.0/head.0/style.57
                ├── TMP/html.0/head.0/style.58
                ├── TMP/html.0/head.0/style.78
                ├── TMP/html.0/head.0/style.79
                └── TMP/html.0/head.0/title.7
        
        138 directories

        NVHTML-BENCH# ls -l TMP/html.0/body.1/div.90/div.2
        total 36
        drwxr-xr-x 3 root root 4096 Aug 11 02:49 a.3
        drwxr-xr-x 3 root root 4096 Aug 11 02:49 a.4
        -rw-r--r-- 1 root root    7 Aug 11 02:49 attrib.class
        -rw-r--r-- 1 root root    7 Aug 11 02:49 attrib.id
        -rw-r--r-- 1 root root  538 Aug 11 02:49 outter_html
        -rw-r--r-- 1 root root    3 Aug 11 02:49 tag
        -rw-r--r-- 1 root root    1 Aug 11 02:49 tail
        -rw-r--r-- 1 root root    4 Aug 11 02:49 text
        -rw-r--r-- 1 root root    8 Aug 11 02:49 text_intag
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/attrib.id
        srights
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/attrib.class
        socials
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/outter_html
        <div class="socials" id="srights">
                                <a target="_blank" href="https://twitter.com/InfoOpk" class="socialicons social
        -Twitter external" title="Twitter">
                                        <img alt="Twitter" src="https://opistobranquis.info/wp-content/themes/t
        empera/images/socials/Twitter.png"/>
                                </a>
                                <a target="_blank" href="https://www.facebook.com/OPK.Opistobranquis/" class="s
        ocialicons social-Facebook external" title="Facebook">
                                        <img alt="Facebook" src="https://opistobranquis.info/wp-content/themes/
        tempera/images/socials/Facebook.png"/>
                                </a></div>
        NVHTML-BENCH#

        NVHTML-BENCH# ls -al TMP/html.0/body.1/div.90/div.2 | egrep " \.[a-z]"
        -rw-r--r--  1 root root    1 Aug 11 02:49 .breadth
        -rw-r--r--  1 root root    1 Aug 11 02:49 .depth
        -rw-r--r--  1 root root   27 Aug 11 02:49 .mkdir_pth
        -rw-r--r--  1 root root    2 Aug 11 02:49 .pbreadth
        -rw-r--r--  1 root root   18 Aug 11 02:49 .pl
        -rw-r--r--  1 root root    1 Aug 11 02:49 .samepl_breadth
        -rw-r--r--  1 root root    1 Aug 11 02:49 .samepl_sibseq
        -rw-r--r--  1 root root    1 Aug 11 02:49 .sibseq
        NVHTML-BENCH#
        NVHTML-BENCH#
        NVHTML-BENCH#
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.breadth
        2
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.depth
        3
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.pbreadth
        90
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.pl
        /html/body/div/div
        NVHTML-BENCH#
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.samepl_breadth
        2
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.samepl_sibseq
        2
        NVHTML-BENCH# more TMP/html.0/body.1/div.90/div.2/.sibseq
        2
        NVHTML-BENCH#




find all
^^^^^^^^

    ::

        NVHTML-BENCH# nvhtml_find_all -input opis.html -attrib "http-equiv"
        [
         'X-UA-Compatible',
         'Content-Type'
        ]
        NVHTML-BENCH#
        NVHTML-BENCH# nvhtml_find_all -input opis.html -attrib "href" | egrep "jorunna-e"
         'https://opistobranquis.info/en/guia/nudibranchia/doridina/doridoidei/doridoidea/jorunna-efe/',
         'https://opistobranquis.info/en/guia/nudibranchia/doridina/doridoidei/doridoidea/jorunna-evansi/',
        NVHTML-BENCH#

        NVHTML-BENCH# nvhtml_find_all -input opis.html
        common attribs:
        [
         '_pl',
         '_breadth',
         '_depth',
         '_pbreadth',
         '_samepl_sibseq',
         '_samepl_breadth',
         '_tag',
         '_sibseq',
         '_text',
         '_tail'
        ]
        attrib_names:frequency
        {
         'class': 947,
         'href': 810,
         'id': 181,
         'style': 80,
         'type': 78,
         'src': 55,
         'rel': 49,
         'target': 41,
         'title': 36,
         'content': 23,
         'alt': 19,
         'media': 17,
         'name': 15,
         'align': 13,
         'property': 12,
         'role': 9,
         'value': 7,
         'hreflang': 4,
         'data-shared': 4,
         'colspan': 3,
         'for': 3,
         'aria-current': 3,
         'sizes': 3,
         'action': 3,
         'method': 3,
         'placeholder': 2,
         'width': 2,
         'http-equiv': 2,
         'height': 2,
         'data-permalink': 1,
         'data-recalc-dims': 1,
         'srcset': 1,
         'size': 1,
         'data-layout': 1,
         'data-orig-size': 1,
         'language': 1,
         'data-medium-file': 1,
         'data-href': 1,
         'data-image-description': 1,
         'data-image-title': 1,
         'data-orig-file': 1,
         'defer': 1,
         'data-flxmap': 1,
         'data-noptimize': 1,
         'data-image-meta': 1,
         'lang': 1,
         'data-url': 1,
         'data-large-file': 1,
         'autocomplete': 1,
         'data-via': 1,
         'async': 1,
         'data-comments-opened': 1,
         'data-attachment-id': 1,
         'data-text': 1
        }
        NVHTML-BENCH#


nvhtml_wfs_udlrpls
^^^^^^^^^^^^^^^^^^
    
    ::
        
        NVHTML-BENCH#nvhtml_wfs_udlrpls -input xxx.html


nvhtml_wfs_dulrpls
^^^^^^^^^^^^^^^^^^

    ::

        NVHTML-BENCH#nvhtml_wfs_dulrpls -input xxx.html





Examples
--------

tagsrch
^^^^^^^

    ::
    
        from lxml.etree import HTML as LXHTML
        from lxml.etree import XML as LXML
        from xdict.jprint import pdir,pobj
        from nvhtml import txt
        from nvhtml import lvsrch
        from nvhtml import fs
        from nvhtml import engine
        from nvhtml import utils
        import lxml.sax
        
    :: 
    
        html_str = fs.rfile("./test.html")
        root = LXHTML(html_str)
        eles = lvsrch.a(root,7,8,show=False)
        print(eles[0])
        print(eles[5])
        eles = lvsrch.a(root,7,8,which=0)
        eles = lvsrch.a(root,7,8,which=0,source=False)

.. image:: ./images/lvsrch.a.0.png


relation get
^^^^^^^^^^^^

:: 
    
    html_str = fs.rfile("./test.html")
    root = LXHTML(html_str)
    ele =  engine.xpath(root,"//div",5)
    
    engine.parent(ele)
    engine.grand_parent(ele)
    engine.ancestors(ele)
    engine.parent(ele)
    engine.grand_parent(ele)
    engine.ancestors(ele)
    engine.lsib(ele)
    engine.rsib(ele)
    engine.lcin(ele)
    engine.rcin(ele)
    engine.siblings(ele)
    engine.descendants(ele,5,6)
    
    engine.layer(ele)
    engine.breadth(ele)
    engine.depth(ele)
    engine.pathlist(ele)

.. image:: ./images/engine.0.png


description matrix
^^^^^^^^^^^^^^^^^^

:: 
  
    html_str = fs.rfile("./test.html")
    root = LXHTML(html_str)
    wfs = engine.WFS(root)
    pobj(wfs.mat[3][1])
    
.. image:: ./images/engine.1.png


width-first-traverse
^^^^^^^^^^^^^^^^^^^^
::

    html_str = fs.rfile("./test.html")
    root = LXHTML(html_str)
    pls = engine.wfspls(root)
    utils.parr(pls[:10])

.. image:: ./images/engine.2.png


depth-first-traverse
^^^^^^^^^^^^^^^^^^^^

::

    import lxml.sax
    html_str = fs.rfile("./test.html")
    root = LXHTML(html_str)
    dfs = engine.DFS()
    lxml.sax.saxify(root, dfs)
    utils.parr(dfs.pls[:5])
    utils.parr(dfs.pls[-10:])

.. image:: ./images/engine.3.png


beautify
^^^^^^^^

::

    html_str = fs.rfile("./test.html")
    root = LXHTML(html_str)
    html_str = engine.beautify(root)
    print(html_str[:480])

.. image:: ./images/engine.4.png

`lvsrch <./modules.html#module-lvsrch>`_
-----------------------------------------

.. code-block:: console

    [
     'a',
     'abbr',
     'acronym',
     'address',
     'applet',
     'area',
     'arguments',
     'article',
     'aside',
     'audio',
     'b',
     'base',
     'basefont',
     'bdi',
     'bdo',
     'big',
     'blockquote',
     'body',
     'br',
     'button',
     'canvas',
     'caption',
     'center',
     'cite',
     'code',
     'col',
     'colgroup',
     'command',
     'datalist',
     'dd',
     'del_',
     'details',
     'dfn',
     'dialog',
     'dir',
     'div',
     'dl',
     'dt',
     'elel',
     'em',
     'embed',
     'engine',
     'fieldset',
     'figcaption',
     'figure',
     'font',
     'footer',
     'form',
     'frame',
     'frameset',
     'h1',
     'h2',
     'h3',
     'h4',
     'h5',
     'h6',
     'head',
     'header',
     'hr',
     'html',
     'i',
     'iframe',
     'img',
     'input',
     'ins',
     'isindex',
     'kbd',
     'keygen',
     'label',
     'legend',
     'li',
     'link',
     'map',
     'mark',
     'menu',
     'menuitem',
     'meta',
     'meter',
     'nav',
     'noframes',
     'noscript',
     'object',
     'ol',
     'optgroup',
     'option',
     'output',
     'p',
     'param',
     'pre',
     'progress',
     'q',
     'rp',
     'rt',
     'ruby',
     's',
     'samp',
     'script',
     'section',
     'select',
     'small',
     'source',
     'span',
     'srch',
     'strike',
     'strong',
     'style',
     'sub',
     'summary',
     'sup',
     'table',
     'tbody',
     'td',
     'textarea',
     'tfoot',
     'th',
     'thead',
     'time',
     'title',
     'tr',
     'track',
     'tt',
     'u',
     'ul',
     'utils',
     'var',
     'video',
     'wbr',
     'xmp'
    ]


`engine <./modules.html#module-nvhtml.engine>`_
-----------------------------------------------

.. code-block:: console

    [
     'BEAUTIFY',
     'ContentHandler',
     'DFS',
     'WFS',
     'ancestor',
     'ancestors',
     'beautify',
     'between_levels_cond_func',
     'breadth',
     'child',
     'children',
     'copy',
     'default_wfs_handler',
     'depth',
     'descendants',
     'descendants_pls',
     'dfs_traverse',
     'dfspls',
     'disconnect',
     'elel',
     'extract_pls',
     'following_sibs',
     'grand_parent',
     'html',
     'init_cls_wfs_arguments',
     'is_leaf',
     'layer',
     'layer_wfs_handler',
     'lcin',
     'leaf_descendants',
     'leaf_descendants_pls',
     'loc',
     'loc2node',
     'lsib',
     'lxe',
     'lxml',
     'nonleaf_descendants',
     'nonleaf_descendants_pls',
     'parent',
     'pathlist',
     'plget',
     'preceding_sibs',
     'rcin',
     're',
     'rootnode',
     'rsib',
     'samepl_breadth',
     'samepl_siblings',
     'samepl_sibseq',
     'siblings',
     'sibseq',
     'source',
     'text_intag',
     'txtize',
     'utils',
     'wfs_traverse',
     'wfspls',
     'xpath',
     'xpath_levels'
    ]




=======
History
=======

0.0.1 (2018-12-18)
------------------

* first commit