HtmlFormatterのanchorlinenosオプションの例

初回公開：2018/10/14
最終更新：未

サンプルコード

from pygments import highlight
from pygments.lexers import get_lexer_by_name
from pygments.formatters import HtmlFormatter

code=u"""
class SuperCls(object):
    def method(self, arg):
        print("スーパクラスのメソッドを実行, arg=",arg)

class SubCls(SuperCls):
    def method(self):
        print ("サブクラスのメソッドを実行")
        super().method("arg")

sub_inst=SubCls()
sub_inst.method()
"""
lexer = get_lexer_by_name("python")

with open("anchorlinenos.html", 'w') as outfile:
    highlight(code, lexer, HtmlFormatter(anchorlinenos=True,linenos=True),outfile)

実行結果

anchorlinenos.html

<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#-1"> 1</a>
<a href="#-2"> 2</a>
<a href="#-3"> 3</a>
<a href="#-4"> 4</a>
<a href="#-5"> 5</a>
<a href="#-6"> 6</a>
<a href="#-7"> 7</a>
<a href="#-8"> 8</a>
<a href="#-9"> 9</a>
<a href="#-10">10</a>
<a href="#-11">11</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">SuperCls</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
    <span class="k">def</span> <span class="nf">method</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">arg</span><span class="p">):</span>
        <span class="k">print</span><span class="p">(</span><span class="s2">&quot;スーパクラスのメソッドを実行, arg=&quot;</span><span class="p">,</span><span class="n">arg</span><span class="p">)</span>

<span class="k">class</span> <span class="nc">SubCls</span><span class="p">(</span><span class="n">SuperCls</span><span class="p">):</span>
    <span class="k">def</span> <span class="nf">method</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="k">print</span> <span class="p">(</span><span class="s2">&quot;サブクラスのメソッドを実行&quot;</span><span class="p">)</span>
        <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">method</span><span class="p">(</span><span class="s2">&quot;arg&quot;</span><span class="p">)</span>

<span class="n">sub_inst</span><span class="o">=</span><span class="n">SubCls</span><span class="p">()</span>
<span class="n">sub_inst</span><span class="o">.</span><span class="n">method</span><span class="p">()</span>
</pre></div>
</td></tr></table>

html表示イメージ

行番号にアンカーが設定される。

class SuperCls(object):
    def method(self, arg):
        print("スーパクラスのメソッドを実行, arg=",arg)

class SubCls(SuperCls):
    def method(self):
        print ("サブクラスのメソッドを実行")
        super().method("arg")

sub_inst=SubCls()
sub_inst.method()