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#require pygments serve

  $ cat <<EOF >> $HGRCPATH
  > [extensions]
  > highlight =
  > [web]
  > pygments_style = friendly
  > highlightfiles = **.py and size('<100KB')
  > EOF
  $ hg init test
  $ cd test

  $ filterhtml () {
  >   sed -e "s/class=\"k\"/class=\"kn\"/g" \
  >       -e "s/class=\"mf\"/class=\"mi\"/g" \
  >       -e "s/class=\"vm\"/class=\"n\"/g" \
  >       -e "s/class=\"\([cs]\)[h12]\"/class=\"\1\"/g"
  > }

create random Python file to exercise Pygments

  $ cat <<NO_CHECK_EOF > primes.py
  > """Fun with generators. Corresponding Haskell implementation:
  > 
  > primes = 2 : sieve [3, 5..]
  >     where sieve (p:ns) = p : sieve [n | n <- ns, mod n p /= 0]
  > """
  > 
  > import itertools
  > 
  > def primes():
  >     """Generate all primes."""
  >     def sieve(ns):
  >         p = ns.next()
  >         # It is important to yield *here* in order to stop the
  >         # infinite recursion.
  >         yield p
  >         ns = itertools.ifilter(lambda n: n % p != 0, ns)
  >         for n in sieve(ns):
  >             yield n
  > 
  >     odds = itertools.ifilter(lambda i: i % 2 == 1, itertools.count())
  >     dropwhile = itertools.dropwhile
  >     return itertools.chain([2], sieve(dropwhile(lambda n: n < 3, odds)))
  > 
  > if __name__ == "__main__":
  >     import sys
  >     try:
  >         n = int(sys.argv[1])
  >     except (ValueError, IndexError):
  >         n = 10
  >     p = primes()
  >     print("The first %d primes: %s" % (n, list(itertools.islice(p, n))))
  > NO_CHECK_EOF
  $ echo >> primes.py  # to test html markup with an empty line just before EOF
  $ hg ci -Ama
  adding primes.py

hg serve

  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid -A access.log -E errors.log
  $ cat hg.pid >> $DAEMON_PIDS

hgweb filerevision, html

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  <h3>
   view primes.py @ 0:<a href="/rev/687f2d169546">687f2d169546</a>
   <span class="phase">draft</span> <span class="branchhead">default</span> <span class="tag">tip</span> 
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  <pre class="sourcelines stripes4 wrap bottomline"
       data-logurl="/log/tip/primes.py"
       data-selectabletag="SPAN"
       data-ishead="1">
  
  <span id="l1"><span class="sd">&quot;&quot;&quot;Fun with generators. Corresponding Haskell implementation:</span></span><a href="#l1"></a>
  <span id="l2"></span><a href="#l2"></a>
  <span id="l3"><span class="sd">primes = 2 : sieve [3, 5..]</span></span><a href="#l3"></a>
  <span id="l4"><span class="sd">    where sieve (p:ns) = p : sieve [n | n &lt;- ns, mod n p /= 0]</span></span><a href="#l4"></a>
  <span id="l5"><span class="sd">&quot;&quot;&quot;</span></span><a href="#l5"></a>
  <span id="l6"></span><a href="#l6"></a>
  <span id="l7"><span class="kn">import</span> <span class="nn">itertools</span></span><a href="#l7"></a>
  <span id="l8"></span><a href="#l8"></a>
  <span id="l9"><span class="kn">def</span> <span class="nf">primes</span><span class="p">():</span></span><a href="#l9"></a>
  <span id="l10"><span class="w">    </span><span class="sd">&quot;&quot;&quot;Generate all primes.&quot;&quot;&quot;</span></span><a href="#l10"></a> (pygments214 !)
  <span id="l10">    <span class="sd">&quot;&quot;&quot;Generate all primes.&quot;&quot;&quot;</span></span><a href="#l10"></a> (no-pygments214 !)
  <span id="l11">    <span class="kn">def</span> <span class="nf">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></span><a href="#l11"></a>
  <span id="l12">        <span class="n">p</span> <span class="o">=</span> <span class="n">ns</span><span class="o">.</span><span class="n">next</span><span class="p">()</span></span><a href="#l12"></a>
  <span id="l13">        <span class="c"># It is important to yield *here* in order to stop the</span></span><a href="#l13"></a>
  <span id="l14">        <span class="c"># infinite recursion.</span></span><a href="#l14"></a>
  <span id="l15">        <span class="kn">yield</span> <span class="n">p</span></span><a href="#l15"></a>
  <span id="l16">        <span class="n">ns</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">%</span> <span class="n">p</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">,</span> <span class="n">ns</span><span class="p">)</span></span><a href="#l16"></a>
  <span id="l17">        <span class="kn">for</span> <span class="n">n</span> <span class="ow">in</span> <span class="n">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></span><a href="#l17"></a>
  <span id="l18">            <span class="kn">yield</span> <span class="n">n</span></span><a href="#l18"></a>
  <span id="l19"></span><a href="#l19"></a>
  <span id="l20">    <span class="n">odds</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">i</span><span class="p">:</span> <span class="n">i</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">1</span><span class="p">,</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">())</span></span><a href="#l20"></a>
  <span id="l21">    <span class="n">dropwhile</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">dropwhile</span></span><a href="#l21"></a>
  <span id="l22">    <span class="kn">return</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">([</span><span class="mi">2</span><span class="p">],</span> <span class="n">sieve</span><span class="p">(</span><span class="n">dropwhile</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">,</span> <span class="n">odds</span><span class="p">)))</span></span><a href="#l22"></a>
  <span id="l23"></span><a href="#l23"></a>
  <span id="l24"><span class="kn">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span></span><a href="#l24"></a>
  <span id="l25">    <span class="kn">import</span> <span class="nn">sys</span></span><a href="#l25"></a>
  <span id="l26">    <span class="kn">try</span><span class="p">:</span></span><a href="#l26"></a>
  <span id="l27">        <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span></span><a href="#l27"></a>
  <span id="l28">    <span class="kn">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">IndexError</span><span class="p">):</span></span><a href="#l28"></a>
  <span id="l29">        <span class="n">n</span> <span class="o">=</span> <span class="mi">10</span></span><a href="#l29"></a>
  <span id="l30">    <span class="n">p</span> <span class="o">=</span> <span class="n">primes</span><span class="p">()</span></span><a href="#l30"></a>
  <span id="l31">    <span class="nb">print</span><span class="p">(</span><span class="s">&quot;The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="n">itertools</span><span class="o">.</span><span class="n">islice</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">n</span><span class="p">))))</span></span><a href="#l31"></a> (pygments25 !)
  <span id="l31">    <span class="kn">print</span><span class="p">(</span><span class="s">&quot;The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="n">itertools</span><span class="o">.</span><span class="n">islice</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">n</span><span class="p">))))</span></span><a href="#l31"></a> (no-pygments25 !)
  <span id="l32"></span><a href="#l32"></a>
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   annotate primes.py @ 0:<a href="/rev/687f2d169546">687f2d169546</a>
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  <td class="source followlines-btn-parent"><a href="#l1">     1</a> <span class="sd">&quot;&quot;&quot;Fun with generators. Corresponding Haskell implementation:</span></td>
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  <div>parents: </div>
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  <td class="source followlines-btn-parent"><a href="#l2">     2</a> </td>
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  <td class="source followlines-btn-parent"><a href="#l3">     3</a> <span class="sd">primes = 2 : sieve [3, 5..]</span></td>
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  <td class="source followlines-btn-parent"><a href="#l4">     4</a> <span class="sd">    where sieve (p:ns) = p : sieve [n | n &lt;- ns, mod n p /= 0]</span></td>
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  <div>parents: </div>
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  <td class="source followlines-btn-parent"><a href="#l5">     5</a> <span class="sd">&quot;&quot;&quot;</span></td>
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  <td class="source followlines-btn-parent"><a href="#l6">     6</a> </td>
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  <td class="source followlines-btn-parent"><a href="#l7">     7</a> <span class="kn">import</span> <span class="nn">itertools</span></td>
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  <td class="source followlines-btn-parent"><a href="#l8">     8</a> </td>
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  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l9">     9</a> <span class="kn">def</span> <span class="nf">primes</span><span class="p">():</span></td>
  </tr>
  <tr id="l10" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l10">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l10">    10</a> <span class="w">    </span><span class="sd">&quot;&quot;&quot;Generate all primes.&quot;&quot;&quot;</span></td> (pygments214 !)
  <td class="source followlines-btn-parent"><a href="#l10">    10</a>     <span class="sd">&quot;&quot;&quot;Generate all primes.&quot;&quot;&quot;</span></td> (no-pygments214 !)
  </tr>
  <tr id="l11" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l11">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l11">    11</a>     <span class="kn">def</span> <span class="nf">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></td>
  </tr>
  <tr id="l12" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l12">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l12">    12</a>         <span class="n">p</span> <span class="o">=</span> <span class="n">ns</span><span class="o">.</span><span class="n">next</span><span class="p">()</span></td>
  </tr>
  <tr id="l13" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l13">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l13">    13</a>         <span class="c"># It is important to yield *here* in order to stop the</span></td>
  </tr>
  <tr id="l14" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l14">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l14">    14</a>         <span class="c"># infinite recursion.</span></td>
  </tr>
  <tr id="l15" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l15">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l15">    15</a>         <span class="kn">yield</span> <span class="n">p</span></td>
  </tr>
  <tr id="l16" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l16">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l16">    16</a>         <span class="n">ns</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">%</span> <span class="n">p</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">,</span> <span class="n">ns</span><span class="p">)</span></td>
  </tr>
  <tr id="l17" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l17">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l17">    17</a>         <span class="kn">for</span> <span class="n">n</span> <span class="ow">in</span> <span class="n">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></td>
  </tr>
  <tr id="l18" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l18">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l18">    18</a>             <span class="kn">yield</span> <span class="n">n</span></td>
  </tr>
  <tr id="l19" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l19">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l19">    19</a> </td>
  </tr>
  <tr id="l20" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l20">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l20">    20</a>     <span class="n">odds</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">i</span><span class="p">:</span> <span class="n">i</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">1</span><span class="p">,</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">())</span></td>
  </tr>
  <tr id="l21" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l21">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l21">    21</a>     <span class="n">dropwhile</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">dropwhile</span></td>
  </tr>
  <tr id="l22" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l22">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l22">    22</a>     <span class="kn">return</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">([</span><span class="mi">2</span><span class="p">],</span> <span class="n">sieve</span><span class="p">(</span><span class="n">dropwhile</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">,</span> <span class="n">odds</span><span class="p">)))</span></td>
  </tr>
  <tr id="l23" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l23">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l23">    23</a> </td>
  </tr>
  <tr id="l24" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l24">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l24">    24</a> <span class="kn">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span></td>
  </tr>
  <tr id="l25" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l25">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l25">    25</a>     <span class="kn">import</span> <span class="nn">sys</span></td>
  </tr>
  <tr id="l26" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l26">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l26">    26</a>     <span class="kn">try</span><span class="p">:</span></td>
  </tr>
  <tr id="l27" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l27">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l27">    27</a>         <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span></td>
  </tr>
  <tr id="l28" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l28">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l28">    28</a>     <span class="kn">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">IndexError</span><span class="p">):</span></td>
  </tr>
  <tr id="l29" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l29">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l29">    29</a>         <span class="n">n</span> <span class="o">=</span> <span class="mi">10</span></td>
  </tr>
  <tr id="l30" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l30">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l30">    30</a>     <span class="n">p</span> <span class="o">=</span> <span class="n">primes</span><span class="p">()</span></td>
  </tr>
  <tr id="l31" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l31">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l31">    31</a>     <span class="nb">print</span><span class="p">(</span><span class="s">&quot;The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="n">itertools</span><span class="o">.</span><span class="n">islice</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">n</span><span class="p">))))</span></td> (pygments25 !)
  <td class="source followlines-btn-parent"><a href="#l31">    31</a>     <span class="kn">print</span><span class="p">(</span><span class="s">&quot;The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="n">itertools</span><span class="o">.</span><span class="n">islice</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">n</span><span class="p">))))</span></td> (no-pygments25 !)
  </tr>
  <tr id="l32" class="thisrev">
  <td class="annotate parity0">
  
  <div class="annotate-info">
  <div>
  <a href="/annotate/687f2d169546/primes.py#l32">
  687f2d169546</a>
  a
  </div>
  <div><em>&#116;&#101;&#115;&#116;</em></div>
  <div>parents: </div>
  <a href="/diff/687f2d169546/primes.py">diff</a>
  <a href="/rev/687f2d169546">changeset</a>
  </div>
  </td>
  <td class="source followlines-btn-parent"><a href="#l32">    32</a> </td>
  </tr>
  </tbody>
  </table>
  </div>
  </div>
  </div>
  
  <script type="text/javascript" src="/static/followlines.js"></script>
  
  
  
  </body>
  </html>
  

hgweb fileannotate, raw

  $ (get-with-headers.py localhost:$HGPORT 'annotate/tip/primes.py?style=raw') \
  >     | sed "s/test@//" > a
  $ echo "200 Script output follows" > b
  $ echo "" >> b
  $ echo "" >> b
  $ hg annotate "primes.py" >> b
  $ echo "" >> b
  $ echo "" >> b
  $ echo "" >> b
  $ echo "" >> b
  $ cmp b a || diff -u b a

hgweb filerevision, raw

  $ (get-with-headers.py localhost:$HGPORT 'file/tip/primes.py?style=raw') \
  >     > a
  $ echo "200 Script output follows" > b
  $ echo "" >> b
  $ hg cat primes.py >> b
  $ cmp b a || diff -u b a

hgweb highlightcss friendly

  $ get-with-headers.py localhost:$HGPORT 'highlightcss' > out
  $ head -n 4 out
  200 Script output follows
  
  /* pygments_style = friendly */
  
  $ rm out

errors encountered

  $ cat errors.log
  $ killdaemons.py

Change the pygments style

  $ cat > .hg/hgrc <<EOF
  > [web]
  > pygments_style = fruity
  > EOF

hg serve again

  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid -A access.log -E errors.log
  $ cat hg.pid >> $DAEMON_PIDS

hgweb highlightcss fruity

  $ get-with-headers.py localhost:$HGPORT 'highlightcss' > out
  $ head -n 4 out
  200 Script output follows
  
  /* pygments_style = fruity */
  
  $ rm out

errors encountered

  $ cat errors.log
  $ killdaemons.py

only highlight C source files

  $ cat > .hg/hgrc <<EOF
  > [web]
  > highlightfiles = **.c
  > EOF

hg serve again

  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid -A access.log -E errors.log
  $ cat hg.pid >> $DAEMON_PIDS

test that fileset in highlightfiles works and primes.py is not highlighted

  $ get-with-headers.py localhost:$HGPORT 'file/tip/primes.py' | grep 'id="l11"'
  <span id="l11">    def sieve(ns):</span><a href="#l11"></a>

errors encountered

  $ cat errors.log
  $ cd ..
  $ hg init eucjp
  $ cd eucjp
  >>> with open('eucjp.txt', 'wb') as fh:
  ...     # Japanese kanji "Kyo"
  ...     fh.write(u'\265\376'.encode('utf-8')) and None
  $ hg ci -Ama
  adding eucjp.txt
  $ hgserveget () {
  >     killdaemons.py
  >     echo % HGENCODING="$1" hg serve
  >     HGENCODING="$1" hg serve -p $HGPORT -d -n test --pid-file=hg.pid -E errors.log
  >     cat hg.pid >> $DAEMON_PIDS
  > 
  >     echo % hgweb filerevision, html
  >     get-with-headers.py localhost:$HGPORT "file/tip/$2" \
  >         | grep '<div class="parity0 source">'
  >     echo % errors encountered
  >     cat errors.log
  > }
  $ hgserveget euc-jp eucjp.txt
  % HGENCODING=euc-jp hg serve
  % hgweb filerevision, html
  % errors encountered
  $ hgserveget utf-8 eucjp.txt
  % HGENCODING=utf-8 hg serve
  % hgweb filerevision, html
  % errors encountered
  $ hgserveget us-ascii eucjp.txt
  % HGENCODING=us-ascii hg serve
  % hgweb filerevision, html
  % errors encountered

We attempt to highlight unknown files by default

  $ killdaemons.py

  $ cat > .hg/hgrc << EOF
  > [web]
  > highlightfiles = **
  > EOF

  $ cat > unknownfile << EOF
  > #!/this/helps/pygments/detect/python
  > def foo():
  >    pass
  > EOF

  $ hg add unknownfile
  $ hg commit -m unknown unknownfile

  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid
  $ cat hg.pid >> $DAEMON_PIDS

  $ get-with-headers.py localhost:$HGPORT 'file/tip/unknownfile' | grep l2
  <span id="l2"><span class="k">def</span> <span class="nf">foo</span><span class="p">():</span></span><a href="#l2"></a>

We can prevent Pygments from falling back to a non filename-based
detection mode

  $ cat > .hg/hgrc << EOF
  > [web]
  > highlightfiles = **
  > highlightonlymatchfilename = true
  > EOF

  $ killdaemons.py
  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid
  $ cat hg.pid >> $DAEMON_PIDS
  $ get-with-headers.py localhost:$HGPORT 'file/tip/unknownfile' | grep l2
  <span id="l2">def foo():</span><a href="#l2"></a>

  $ cd ..