parsers: handle refcounting of "parents" consistently
Py_None can be refcounted like any other Python object. So
do that.
#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 <<EOF > primes.py
> #!/usr/bin/env python
>
> """Fun with generators. Corresponding Haskell implementation:
>
> primes = 2 : sieve [3, 5..]
> where sieve (p:ns) = p : sieve [n | n <- ns, mod n p /= 0]
> """
>
> from itertools import dropwhile, ifilter, islice, count, chain
>
> 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 = ifilter(lambda n: n % p != 0, ns)
> for n in sieve(ns):
> yield n
>
> odds = ifilter(lambda i: i % 2 == 1, count())
> return 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(islice(p, n)))
> 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
$ (get-with-headers.py localhost:$HGPORT 'file/tip/primes.py') | filterhtml
200 Script output follows
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<span id="l1"><span class="c">#!/usr/bin/env python</span></span><a href="#l1"></a>
<span id="l2"></span><a href="#l2"></a>
<span id="l3"><span class="sd">"""Fun with generators. Corresponding Haskell implementation:</span></span><a href="#l3"></a>
<span id="l4"></span><a href="#l4"></a>
<span id="l5"><span class="sd">primes = 2 : sieve [3, 5..]</span></span><a href="#l5"></a>
<span id="l6"><span class="sd"> where sieve (p:ns) = p : sieve [n | n <- ns, mod n p /= 0]</span></span><a href="#l6"></a>
<span id="l7"><span class="sd">"""</span></span><a href="#l7"></a>
<span id="l8"></span><a href="#l8"></a>
<span id="l9"><span class="kn">from</span> <span class="nn">itertools</span> <span class="kn">import</span> <span class="n">dropwhile</span><span class="p">,</span> <span class="n">ifilter</span><span class="p">,</span> <span class="n">islice</span><span class="p">,</span> <span class="n">count</span><span class="p">,</span> <span class="n">chain</span></span><a href="#l9"></a>
<span id="l10"></span><a href="#l10"></a>
<span id="l11"><span class="kn">def</span> <span class="nf">primes</span><span class="p">():</span></span><a href="#l11"></a>
<span id="l12"> <span class="sd">"""Generate all primes."""</span></span><a href="#l12"></a>
<span id="l13"> <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="#l13"></a>
<span id="l14"> <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="#l14"></a>
<span id="l15"> <span class="c"># It is important to yield *here* in order to stop the</span></span><a href="#l15"></a>
<span id="l16"> <span class="c"># infinite recursion.</span></span><a href="#l16"></a>
<span id="l17"> <span class="kn">yield</span> <span class="n">p</span></span><a href="#l17"></a>
<span id="l18"> <span class="n">ns</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="#l18"></a>
<span id="l19"> <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="#l19"></a>
<span id="l20"> <span class="kn">yield</span> <span class="n">n</span></span><a href="#l20"></a>
<span id="l21"></span><a href="#l21"></a>
<span id="l22"> <span class="n">odds</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">count</span><span class="p">())</span></span><a href="#l22"></a>
<span id="l23"> <span class="kn">return</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"><</span> <span class="mi">3</span><span class="p">,</span> <span class="n">odds</span><span class="p">)))</span></span><a href="#l23"></a>
<span id="l24"></span><a href="#l24"></a>
<span id="l25"><span class="kn">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">"__main__"</span><span class="p">:</span></span><a href="#l25"></a>
<span id="l26"> <span class="kn">import</span> <span class="nn">sys</span></span><a href="#l26"></a>
<span id="l27"> <span class="kn">try</span><span class="p">:</span></span><a href="#l27"></a>
<span id="l28"> <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="#l28"></a>
<span id="l29"> <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="#l29"></a>
<span id="l30"> <span class="n">n</span> <span class="o">=</span> <span class="mi">10</span></span><a href="#l30"></a>
<span id="l31"> <span class="n">p</span> <span class="o">=</span> <span class="n">primes</span><span class="p">()</span></span><a href="#l31"></a>
<span id="l32"> <span class="kn">print</span> <span class="s">"The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">"</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">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="#l32"></a>
<span id="l33"></span><a href="#l33"></a></pre>
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hgweb fileannotate, html
$ (get-with-headers.py localhost:$HGPORT 'annotate/tip/primes.py') | filterhtml
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<a href="/annotate/06824edf55d0/primes.py#l1">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
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<td class="source"><a href="#l1"> 1</a> <span class="c">#!/usr/bin/env python</span></td>
</tr>
<tr id="l2" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l2">
06824edf55d0</a>
a
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<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l2"> 2</a> </td>
</tr>
<tr id="l3" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l3">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l3"> 3</a> <span class="sd">"""Fun with generators. Corresponding Haskell implementation:</span></td>
</tr>
<tr id="l4" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l4">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l4"> 4</a> </td>
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<tr id="l5" class="thisrev">
<td class="annotate parity0">
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<div>
<a href="/annotate/06824edf55d0/primes.py#l5">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l5"> 5</a> <span class="sd">primes = 2 : sieve [3, 5..]</span></td>
</tr>
<tr id="l6" class="thisrev">
<td class="annotate parity0">
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<a href="/annotate/06824edf55d0/primes.py#l6">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l6"> 6</a> <span class="sd"> where sieve (p:ns) = p : sieve [n | n <- ns, mod n p /= 0]</span></td>
</tr>
<tr id="l7" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l7">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l7"> 7</a> <span class="sd">"""</span></td>
</tr>
<tr id="l8" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l8">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l8"> 8</a> </td>
</tr>
<tr id="l9" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l9">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l9"> 9</a> <span class="kn">from</span> <span class="nn">itertools</span> <span class="kn">import</span> <span class="n">dropwhile</span><span class="p">,</span> <span class="n">ifilter</span><span class="p">,</span> <span class="n">islice</span><span class="p">,</span> <span class="n">count</span><span class="p">,</span> <span class="n">chain</span></td>
</tr>
<tr id="l10" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l10">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l10"> 10</a> </td>
</tr>
<tr id="l11" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l11">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l11"> 11</a> <span class="kn">def</span> <span class="nf">primes</span><span class="p">():</span></td>
</tr>
<tr id="l12" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l12">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l12"> 12</a> <span class="sd">"""Generate all primes."""</span></td>
</tr>
<tr id="l13" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l13">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l13"> 13</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="l14" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l14">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l14"> 14</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="l15" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l15">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l15"> 15</a> <span class="c"># It is important to yield *here* in order to stop the</span></td>
</tr>
<tr id="l16" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l16">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l16"> 16</a> <span class="c"># infinite recursion.</span></td>
</tr>
<tr id="l17" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l17">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l17"> 17</a> <span class="kn">yield</span> <span class="n">p</span></td>
</tr>
<tr id="l18" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l18">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l18"> 18</a> <span class="n">ns</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="l19" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l19">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l19"> 19</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="l20" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l20">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l20"> 20</a> <span class="kn">yield</span> <span class="n">n</span></td>
</tr>
<tr id="l21" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l21">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l21"> 21</a> </td>
</tr>
<tr id="l22" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l22">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l22"> 22</a> <span class="n">odds</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">count</span><span class="p">())</span></td>
</tr>
<tr id="l23" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l23">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l23"> 23</a> <span class="kn">return</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"><</span> <span class="mi">3</span><span class="p">,</span> <span class="n">odds</span><span class="p">)))</span></td>
</tr>
<tr id="l24" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l24">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l24"> 24</a> </td>
</tr>
<tr id="l25" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l25">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l25"> 25</a> <span class="kn">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">"__main__"</span><span class="p">:</span></td>
</tr>
<tr id="l26" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l26">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l26"> 26</a> <span class="kn">import</span> <span class="nn">sys</span></td>
</tr>
<tr id="l27" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l27">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l27"> 27</a> <span class="kn">try</span><span class="p">:</span></td>
</tr>
<tr id="l28" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l28">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l28"> 28</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="l29" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l29">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l29"> 29</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="l30" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l30">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l30"> 30</a> <span class="n">n</span> <span class="o">=</span> <span class="mi">10</span></td>
</tr>
<tr id="l31" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l31">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l31"> 31</a> <span class="n">p</span> <span class="o">=</span> <span class="n">primes</span><span class="p">()</span></td>
</tr>
<tr id="l32" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l32">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l32"> 32</a> <span class="kn">print</span> <span class="s">"The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">"</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">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>
</tr>
<tr id="l33" class="thisrev">
<td class="annotate parity0">
<div class="annotate-info">
<div>
<a href="/annotate/06824edf55d0/primes.py#l33">
06824edf55d0</a>
a
</div>
<div><em>test</em></div>
<div>parents: </div>
<a href="/diff/06824edf55d0/primes.py">diff</a>
<a href="/rev/06824edf55d0">changeset</a>
</div>
</td>
<td class="source"><a href="#l33"> 33</a> </td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</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 primes():</span><a href="#l11"></a>
errors encountered
$ cat errors.log
$ cd ..
$ hg init eucjp
$ cd eucjp
$ $PYTHON -c 'print("\265\376")' >> eucjp.txt # Japanese kanji "Kyo"
$ 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
> #!/usr/bin/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 ..