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Package web2py ::
<a href="web2py.gluon-module.html">Package gluon</a> ::
Module streamer
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<h1 class="epydoc">Source Code for <a href="web2py.gluon.streamer-module.html">Module web2py.gluon.streamer</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt> <tt class="py-line"><tt class="py-comment">#!/usr/bin/env python</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt> <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># -*- coding: utf-8 -*-</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt> <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt> <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt> <tt class="py-line"><tt class="py-docstring">This file is part of the web2py Web Framework</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt> <tt class="py-line"><tt class="py-docstring">Copyrighted by Massimo Di Pierro <mdipierro@cs.depaul.edu></tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt> <tt class="py-line"><tt class="py-docstring">License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt> <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt> <tt class="py-line"> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">stat</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt id="link-0" class="py-name" targets="Class datetime.time=datetime.time-class.html"><a title="datetime.time" class="py-name" href="#" onclick="return doclink('link-0', 'time', 'link-0');">time</a></tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">re</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">errno</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Module web2py.gluon.rewrite=web2py.gluon.rewrite-module.html"><a title="web2py.gluon.rewrite" class="py-name" href="#" onclick="return doclink('link-1', 'rewrite', 'link-1');">rewrite</a></tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-2" class="py-name" targets="Module web2py.gluon.http=web2py.gluon.http-module.html"><a title="web2py.gluon.http" class="py-name" href="#" onclick="return doclink('link-2', 'http', 'link-2');">http</a></tt> <tt class="py-keyword">import</tt> <tt id="link-3" class="py-name" targets="Class web2py.gluon.http.HTTP=web2py.gluon.http.HTTP-class.html"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-3', 'HTTP', 'link-3');">HTTP</a></tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-4" class="py-name" targets="Module web2py.gluon.contenttype=web2py.gluon.contenttype-module.html,Function web2py.gluon.contenttype.contenttype()=web2py.gluon.contenttype-module.html#contenttype"><a title="web2py.gluon.contenttype
web2py.gluon.contenttype.contenttype" class="py-name" href="#" onclick="return doclink('link-4', 'contenttype', 'link-4');">contenttype</a></tt> <tt class="py-keyword">import</tt> <tt id="link-5" class="py-name"><a title="web2py.gluon.contenttype
web2py.gluon.contenttype.contenttype" class="py-name" href="#" onclick="return doclink('link-5', 'contenttype', 'link-4');">contenttype</a></tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt> <tt class="py-line"> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt> <tt class="py-line"> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt> <tt class="py-line"><tt id="link-6" class="py-name" targets="Variable web2py.gluon.streamer.regex_start_range=web2py.gluon.streamer-module.html#regex_start_range"><a title="web2py.gluon.streamer.regex_start_range" class="py-name" href="#" onclick="return doclink('link-6', 'regex_start_range', 'link-6');">regex_start_range</a></tt> <tt class="py-op">=</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-string">'\d+(?=\-)'</tt><tt class="py-op">)</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt> <tt class="py-line"><tt id="link-7" class="py-name" targets="Variable web2py.gluon.streamer.regex_stop_range=web2py.gluon.streamer-module.html#regex_stop_range"><a title="web2py.gluon.streamer.regex_stop_range" class="py-name" href="#" onclick="return doclink('link-7', 'regex_stop_range', 'link-7');">regex_stop_range</a></tt> <tt class="py-op">=</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-string">'(?<=\-)\d+'</tt><tt class="py-op">)</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt> <tt class="py-line"> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt> <tt class="py-line"><tt id="link-8" class="py-name" targets="Variable web2py.gluon.streamer.DEFAULT_CHUNK_SIZE=web2py.gluon.streamer-module.html#DEFAULT_CHUNK_SIZE"><a title="web2py.gluon.streamer.DEFAULT_CHUNK_SIZE" class="py-name" href="#" onclick="return doclink('link-8', 'DEFAULT_CHUNK_SIZE', 'link-8');">DEFAULT_CHUNK_SIZE</a></tt> <tt class="py-op">=</tt> <tt class="py-number">64</tt><tt class="py-op">*</tt><tt class="py-number">1024</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt> <tt class="py-line"> </tt>
<a name="streamer"></a><div id="streamer-def"><a name="L25"></a><tt class="py-lineno"> 25</tt> <a class="py-toggle" href="#" id="streamer-toggle" onclick="return toggle('streamer');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.streamer-module.html#streamer">streamer</a><tt class="py-op">(</tt><tt class="py-param">stream</tt><tt class="py-op">,</tt> <tt class="py-param">chunk_size</tt> <tt class="py-op">=</tt> <tt id="link-9" class="py-name"><a title="web2py.gluon.streamer.DEFAULT_CHUNK_SIZE" class="py-name" href="#" onclick="return doclink('link-9', 'DEFAULT_CHUNK_SIZE', 'link-8');">DEFAULT_CHUNK_SIZE</a></tt><tt class="py-op">,</tt> <tt class="py-param">bytes</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="streamer-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="streamer-expanded"><a name="L26"></a><tt class="py-lineno"> 26</tt> <tt class="py-line"> <tt class="py-name">offset</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt> <tt class="py-line"> <tt class="py-keyword">while</tt> <tt class="py-name">bytes</tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">offset</tt> <tt class="py-op"><</tt> <tt class="py-name">bytes</tt><tt class="py-op">:</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">bytes</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</tt> <tt class="py-keyword">and</tt> <tt class="py-name">bytes</tt> <tt class="py-op">-</tt> <tt class="py-name">offset</tt> <tt class="py-op"><</tt> <tt class="py-name">chunk_size</tt><tt class="py-op">:</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt> <tt class="py-line"> <tt class="py-name">chunk_size</tt> <tt class="py-op">=</tt> <tt class="py-name">bytes</tt> <tt class="py-op">-</tt> <tt class="py-name">offset</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt> <tt class="py-line"> <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt id="link-10" class="py-name" targets="Method web2py.gluon.globals.Response.stream()=web2py.gluon.globals.Response-class.html#stream"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-10', 'stream', 'link-10');">stream</a></tt><tt class="py-op">.</tt><tt id="link-11" class="py-name" targets="Method web2py.gluon.dal.DatabaseStoredFile.read()=web2py.gluon.dal.DatabaseStoredFile-class.html#read,Method web2py.gluon.debug.Pipe.read()=web2py.gluon.debug.Pipe-class.html#read,Method web2py.gluon.languages.lazyT.read()=web2py.gluon.languages.lazyT-class.html#read,Method web2py.gluon.rocket.ChunkedReader.read()=web2py.gluon.rocket.ChunkedReader-class.html#read,Method web2py.gluon.tools.Crud.read()=web2py.gluon.tools.Crud-class.html#read"><a title="web2py.gluon.dal.DatabaseStoredFile.read
web2py.gluon.debug.Pipe.read
web2py.gluon.languages.lazyT.read
web2py.gluon.rocket.ChunkedReader.read
web2py.gluon.tools.Crud.read" class="py-name" href="#" onclick="return doclink('link-11', 'read', 'link-11');">read</a></tt><tt class="py-op">(</tt><tt class="py-name">chunk_size</tt><tt class="py-op">)</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt> <tt class="py-line"> <tt class="py-name">length</tt> <tt class="py-op">=</tt> <tt id="link-12" class="py-name" targets="Method web2py.gluon.dal.Expression.len()=web2py.gluon.dal.Expression-class.html#len"><a title="web2py.gluon.dal.Expression.len" class="py-name" href="#" onclick="return doclink('link-12', 'len', 'link-12');">len</a></tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">length</tt><tt class="py-op">:</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt> <tt class="py-line"> <tt class="py-keyword">break</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt> <tt class="py-line"> <tt class="py-keyword">yield</tt> <tt class="py-name">data</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">length</tt> <tt class="py-op"><</tt> <tt class="py-name">chunk_size</tt><tt class="py-op">:</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt> <tt class="py-line"> <tt class="py-keyword">break</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt> <tt class="py-line"> <tt class="py-name">offset</tt> <tt class="py-op">+=</tt> <tt class="py-name">length</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt> <tt class="py-line"> <tt id="link-13" class="py-name"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-13', 'stream', 'link-10');">stream</a></tt><tt class="py-op">.</tt><tt id="link-14" class="py-name" targets="Method web2py.gluon.dal.BaseAdapter.close()=web2py.gluon.dal.BaseAdapter-class.html#close,Method web2py.gluon.dal.DatabaseStoredFile.close()=web2py.gluon.dal.DatabaseStoredFile-class.html#close,Method web2py.gluon.dal.NoSQLAdapter.close()=web2py.gluon.dal.NoSQLAdapter-class.html#close,Method web2py.gluon.rocket.Connection.close()=web2py.gluon.rocket.Connection-class.html#close"><a title="web2py.gluon.dal.BaseAdapter.close
web2py.gluon.dal.DatabaseStoredFile.close
web2py.gluon.dal.NoSQLAdapter.close
web2py.gluon.rocket.Connection.close" class="py-name" href="#" onclick="return doclink('link-14', 'close', 'link-14');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L40"></a><tt class="py-lineno"> 40</tt> <tt class="py-line"> </tt>
<a name="stream_file_or_304_or_206"></a><div id="stream_file_or_304_or_206-def"><a name="L41"></a><tt class="py-lineno"> 41</tt> <a class="py-toggle" href="#" id="stream_file_or_304_or_206-toggle" onclick="return toggle('stream_file_or_304_or_206');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.streamer-module.html#stream_file_or_304_or_206">stream_file_or_304_or_206</a><tt class="py-op">(</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt> <tt class="py-line"> <tt class="py-param">static_file</tt><tt class="py-op">,</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt> <tt class="py-line"> <tt class="py-param">chunk_size</tt> <tt class="py-op">=</tt> <tt id="link-15" class="py-name"><a title="web2py.gluon.streamer.DEFAULT_CHUNK_SIZE" class="py-name" href="#" onclick="return doclink('link-15', 'DEFAULT_CHUNK_SIZE', 'link-8');">DEFAULT_CHUNK_SIZE</a></tt><tt class="py-op">,</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt> <tt class="py-line"> <tt class="py-param">request</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt> <tt class="py-line"> <tt class="py-param">headers</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt> <tt class="py-line"> <tt class="py-param">error_message</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt> <tt class="py-line"> <tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="stream_file_or_304_or_206-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="stream_file_or_304_or_206-expanded"><a name="L48"></a><tt class="py-lineno"> 48</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">error_message</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt> <tt class="py-line"> <tt class="py-name">error_message</tt> <tt class="py-op">=</tt> <tt id="link-16" class="py-name"><a title="web2py.gluon.rewrite" class="py-name" href="#" onclick="return doclink('link-16', 'rewrite', 'link-1');">rewrite</a></tt><tt class="py-op">.</tt><tt id="link-17" class="py-name" targets="Variable web2py.gluon.dal.thread=web2py.gluon.dal-module.html#thread,Variable web2py.gluon.rewrite.thread=web2py.gluon.rewrite-module.html#thread"><a title="web2py.gluon.dal.thread
web2py.gluon.rewrite.thread" class="py-name" href="#" onclick="return doclink('link-17', 'thread', 'link-17');">thread</a></tt><tt class="py-op">.</tt><tt class="py-name">routes</tt><tt class="py-op">.</tt><tt class="py-name">error_message</tt> <tt class="py-op">%</tt> <tt class="py-string">'invalid request'</tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt> <tt class="py-line"> <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt> <tt class="py-line"> <tt class="py-name">fp</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">static_file</tt><tt class="py-op">)</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">e</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EISDIR</tt><tt class="py-op">:</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-18" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-18', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">403</tt><tt class="py-op">,</tt> <tt class="py-name">error_message</tt><tt class="py-op">,</tt> <tt class="py-name">web2py_error</tt><tt class="py-op">=</tt><tt class="py-string">'file is a directory'</tt><tt class="py-op">)</tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt> <tt class="py-line"> <tt class="py-keyword">elif</tt> <tt class="py-name">e</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EACCES</tt><tt class="py-op">:</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-19" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-19', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">403</tt><tt class="py-op">,</tt> <tt class="py-name">error_message</tt><tt class="py-op">,</tt> <tt class="py-name">web2py_error</tt><tt class="py-op">=</tt><tt class="py-string">'inaccessible file'</tt><tt class="py-op">)</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-20" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-20', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">404</tt><tt class="py-op">,</tt> <tt class="py-name">error_message</tt><tt class="py-op">,</tt> <tt class="py-name">web2py_error</tt><tt class="py-op">=</tt><tt class="py-string">'invalid file'</tt><tt class="py-op">)</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt> <tt class="py-line"> <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt id="link-21" class="py-name"><a title="web2py.gluon.dal.BaseAdapter.close
web2py.gluon.dal.DatabaseStoredFile.close
web2py.gluon.dal.NoSQLAdapter.close
web2py.gluon.rocket.Connection.close" class="py-name" href="#" onclick="return doclink('link-21', 'close', 'link-14');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt> <tt class="py-line"> <tt class="py-name">stat_file</tt> <tt class="py-op">=</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">stat</tt><tt class="py-op">(</tt><tt class="py-name">static_file</tt><tt class="py-op">)</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt> <tt class="py-line"> <tt class="py-name">fsize</tt> <tt class="py-op">=</tt> <tt class="py-name">stat_file</tt><tt class="py-op">[</tt><tt class="py-name">stat</tt><tt class="py-op">.</tt><tt class="py-name">ST_SIZE</tt><tt class="py-op">]</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt> <tt class="py-line"> <tt class="py-name">mtime</tt> <tt class="py-op">=</tt> <tt id="link-22" class="py-name"><a title="datetime.time" class="py-name" href="#" onclick="return doclink('link-22', 'time', 'link-0');">time</a></tt><tt class="py-op">.</tt><tt class="py-name">strftime</tt><tt class="py-op">(</tt><tt class="py-string">'%a, %d %b %Y %H:%M:%S GMT'</tt><tt class="py-op">,</tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt> <tt class="py-line"> <tt id="link-23" class="py-name"><a title="datetime.time" class="py-name" href="#" onclick="return doclink('link-23', 'time', 'link-0');">time</a></tt><tt class="py-op">.</tt><tt class="py-name">gmtime</tt><tt class="py-op">(</tt><tt class="py-name">stat_file</tt><tt class="py-op">[</tt><tt class="py-name">stat</tt><tt class="py-op">.</tt><tt class="py-name">ST_MTIME</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Content-Type'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-24" class="py-name"><a title="web2py.gluon.contenttype
web2py.gluon.contenttype.contenttype" class="py-name" href="#" onclick="return doclink('link-24', 'contenttype', 'link-4');">contenttype</a></tt><tt class="py-op">(</tt><tt class="py-name">static_file</tt><tt class="py-op">)</tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Last-Modified'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">mtime</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Pragma'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-string">'cache'</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Cache-Control'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-string">'private'</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt> <tt class="py-line"> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">request</tt> <tt class="py-keyword">and</tt> <tt class="py-name">request</tt><tt class="py-op">.</tt><tt id="link-25" class="py-name" targets="Function web2py.gluon.shell.env()=web2py.gluon.shell-module.html#env"><a title="web2py.gluon.shell.env" class="py-name" href="#" onclick="return doclink('link-25', 'env', 'link-25');">env</a></tt><tt class="py-op">.</tt><tt class="py-name">http_if_modified_since</tt> <tt class="py-op">==</tt> <tt class="py-name">mtime</tt><tt class="py-op">:</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-26" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-26', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">304</tt><tt class="py-op">,</tt> <tt class="py-op">**</tt><tt class="py-op">{</tt><tt class="py-string">'Content-Type'</tt><tt class="py-op">:</tt> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Content-Type'</tt><tt class="py-op">]</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt> <tt class="py-line"> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt> <tt class="py-line"> <tt class="py-keyword">elif</tt> <tt class="py-name">request</tt> <tt class="py-keyword">and</tt> <tt class="py-name">request</tt><tt class="py-op">.</tt><tt id="link-27" class="py-name"><a title="web2py.gluon.shell.env" class="py-name" href="#" onclick="return doclink('link-27', 'env', 'link-25');">env</a></tt><tt class="py-op">.</tt><tt class="py-name">http_range</tt><tt class="py-op">:</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt> <tt class="py-line"> <tt class="py-name">start_items</tt> <tt class="py-op">=</tt> <tt id="link-28" class="py-name"><a title="web2py.gluon.streamer.regex_start_range" class="py-name" href="#" onclick="return doclink('link-28', 'regex_start_range', 'link-6');">regex_start_range</a></tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt id="link-29" class="py-name"><a title="web2py.gluon.shell.env" class="py-name" href="#" onclick="return doclink('link-29', 'env', 'link-25');">env</a></tt><tt class="py-op">.</tt><tt class="py-name">http_range</tt><tt class="py-op">)</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">start_items</tt><tt class="py-op">:</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt> <tt class="py-line"> <tt class="py-name">start_items</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt> <tt class="py-line"> <tt class="py-name">stop_items</tt> <tt class="py-op">=</tt> <tt id="link-30" class="py-name"><a title="web2py.gluon.streamer.regex_stop_range" class="py-name" href="#" onclick="return doclink('link-30', 'regex_stop_range', 'link-7');">regex_stop_range</a></tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt id="link-31" class="py-name"><a title="web2py.gluon.shell.env" class="py-name" href="#" onclick="return doclink('link-31', 'env', 'link-25');">env</a></tt><tt class="py-op">.</tt><tt class="py-name">http_range</tt><tt class="py-op">)</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">stop_items</tt> <tt class="py-keyword">or</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">stop_items</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">></tt> <tt class="py-name">fsize</tt> <tt class="py-op">-</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt> <tt class="py-line"> <tt class="py-name">stop_items</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">fsize</tt> <tt class="py-op">-</tt> <tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt> <tt class="py-line"> <tt class="py-name">part</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">start_items</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">stop_items</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">fsize</tt><tt class="py-op">)</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt> <tt class="py-line"> <tt class="py-name">bytes</tt> <tt class="py-op">=</tt> <tt class="py-name">part</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> <tt class="py-op">-</tt> <tt class="py-name">part</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt> <tt class="py-line"> <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt> <tt class="py-line"> <tt id="link-32" class="py-name"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-32', 'stream', 'link-10');">stream</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">static_file</tt><tt class="py-op">,</tt> <tt class="py-string">'rb'</tt><tt class="py-op">)</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">e</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-keyword">in</tt> <tt class="py-op">(</tt><tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EISDIR</tt><tt class="py-op">,</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EACCES</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-33" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-33', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">403</tt><tt class="py-op">)</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-34" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-34', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">404</tt><tt class="py-op">)</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt> <tt class="py-line"> <tt id="link-35" class="py-name"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-35', 'stream', 'link-10');">stream</a></tt><tt class="py-op">.</tt><tt class="py-name">seek</tt><tt class="py-op">(</tt><tt class="py-name">part</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Content-Range'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-string">'bytes %i-%i/%i'</tt> <tt class="py-op">%</tt> <tt class="py-name">part</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Content-Length'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-string">'%i'</tt> <tt class="py-op">%</tt> <tt class="py-name">bytes</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt> <tt class="py-line"> <tt class="py-name">status</tt> <tt class="py-op">=</tt> <tt class="py-number">206</tt> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt> <tt class="py-line"> <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt> <tt class="py-line"> <tt id="link-36" class="py-name"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-36', 'stream', 'link-10');">stream</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">static_file</tt><tt class="py-op">,</tt> <tt class="py-string">'rb'</tt><tt class="py-op">)</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt> <tt class="py-line"> <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">e</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-keyword">in</tt> <tt class="py-op">(</tt><tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EISDIR</tt><tt class="py-op">,</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EACCES</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-37" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-37', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">403</tt><tt class="py-op">)</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-38" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-38', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-number">404</tt><tt class="py-op">)</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt> <tt class="py-line"> <tt class="py-name">headers</tt><tt class="py-op">[</tt><tt class="py-string">'Content-Length'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">fsize</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt> <tt class="py-line"> <tt class="py-name">bytes</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt> <tt class="py-line"> <tt class="py-name">status</tt> <tt class="py-op">=</tt> <tt class="py-number">200</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt> <tt class="py-line"> <tt class="py-keyword">if</tt> <tt class="py-name">request</tt> <tt class="py-keyword">and</tt> <tt class="py-name">request</tt><tt class="py-op">.</tt><tt id="link-39" class="py-name"><a title="web2py.gluon.shell.env" class="py-name" href="#" onclick="return doclink('link-39', 'env', 'link-25');">env</a></tt><tt class="py-op">.</tt><tt class="py-name">web2py_use_wsgi_file_wrapper</tt><tt class="py-op">:</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt> <tt class="py-line"> <tt class="py-name">wrapped</tt> <tt class="py-op">=</tt> <tt class="py-name">request</tt><tt class="py-op">.</tt><tt id="link-40" class="py-name"><a title="web2py.gluon.shell.env" class="py-name" href="#" onclick="return doclink('link-40', 'env', 'link-25');">env</a></tt><tt class="py-op">.</tt><tt class="py-name">wsgi_file_wrapper</tt><tt class="py-op">(</tt><tt id="link-41" class="py-name"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-41', 'stream', 'link-10');">stream</a></tt><tt class="py-op">,</tt> <tt class="py-name">chunk_size</tt><tt class="py-op">)</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt> <tt class="py-line"> <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt> <tt class="py-line"> <tt class="py-name">wrapped</tt> <tt class="py-op">=</tt> <tt id="link-42" class="py-name" targets="Module web2py.gluon.streamer=web2py.gluon.streamer-module.html,Function web2py.gluon.streamer.streamer()=web2py.gluon.streamer-module.html#streamer"><a title="web2py.gluon.streamer
web2py.gluon.streamer.streamer" class="py-name" href="#" onclick="return doclink('link-42', 'streamer', 'link-42');">streamer</a></tt><tt class="py-op">(</tt><tt id="link-43" class="py-name"><a title="web2py.gluon.globals.Response.stream" class="py-name" href="#" onclick="return doclink('link-43', 'stream', 'link-10');">stream</a></tt><tt class="py-op">,</tt> <tt class="py-name">chunk_size</tt><tt class="py-op">=</tt><tt class="py-name">chunk_size</tt><tt class="py-op">,</tt> <tt class="py-name">bytes</tt><tt class="py-op">=</tt><tt class="py-name">bytes</tt><tt class="py-op">)</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt> <tt class="py-line"> <tt class="py-keyword">raise</tt> <tt id="link-44" class="py-name"><a title="web2py.gluon.http.HTTP" class="py-name" href="#" onclick="return doclink('link-44', 'HTTP', 'link-3');">HTTP</a></tt><tt class="py-op">(</tt><tt class="py-name">status</tt><tt class="py-op">,</tt> <tt class="py-name">wrapped</tt><tt class="py-op">,</tt> <tt class="py-op">**</tt><tt class="py-name">headers</tt><tt class="py-op">)</tt> </tt>
</div><a name="L109"></a><tt class="py-lineno">109</tt> <tt class="py-line"> </tt><script type="text/javascript">
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