MobileBlur

Artifact [ae3e5a2180]
Login

Artifact ae3e5a2180f49df60926a6e5afcac20e14c88912:


<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
          "DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>web2py.gluon.streamer</title>
  <link rel="stylesheet" href="epydoc.css" type="text/css" />
  <script type="text/javascript" src="epydoc.js"></script>
</head>

<body bgcolor="white" text="black" link="blue" vlink="#204080"
      alink="#204080">
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
       bgcolor="#a0c0ff" cellspacing="0">
  <tr valign="middle">
  <!-- Home link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="web2py.gluon-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Tree link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Index link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Help link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Project homepage -->
      <th class="navbar" align="right" width="100%">
        <table border="0" cellpadding="0" cellspacing="0">
          <tr><th class="navbar" align="center"
            ><a class="navbar" target="_top" href="http://www.web2py.com">web2py Web Framework</a></th>
          </tr></table></th>
  </tr>
</table>
<table width="100%" cellpadding="0" cellspacing="0">
  <tr valign="top">
    <td width="100%">
      <span class="breadcrumbs">
        Package&nbsp;web2py ::
        <a href="web2py.gluon-module.html">Package&nbsp;gluon</a> ::
        Module&nbsp;streamer
      </span>
    </td>
    <td>
      <table cellpadding="0" cellspacing="0">
        <!-- hide/show private -->
        <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
    onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
        <tr><td align="right"><span class="options"
            >[<a href="frames.html" target="_top">frames</a
            >]&nbsp;|&nbsp;<a href="web2py.gluon.streamer-pysrc.html"
            target="_top">no&nbsp;frames</a>]</span></td></tr>
      </table>
    </td>
  </tr>
</table>
<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 &lt;mdipierro@cs.depaul.edu&gt;</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">'(?&lt;=\-)\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">&lt;</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">&lt;</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">&lt;</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">&gt;</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">
<!--
expandto(location.href);
// -->
</script>
</pre>
<br />
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
       bgcolor="#a0c0ff" cellspacing="0">
  <tr valign="middle">
  <!-- Home link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="web2py.gluon-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Tree link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Index link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Help link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Project homepage -->
      <th class="navbar" align="right" width="100%">
        <table border="0" cellpadding="0" cellspacing="0">
          <tr><th class="navbar" align="center"
            ><a class="navbar" target="_top" href="http://www.web2py.com">web2py Web Framework</a></th>
          </tr></table></th>
  </tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" width="100%%">
  <tr>
    <td align="left" class="footer">
    Generated by Epydoc 3.0beta1 on Thu Aug  4 00:47:02 2011
    </td>
    <td align="right" class="footer">
      <a href="http://epydoc.sourceforge.net">http://epydoc.sourceforge.net</a>
    </td>
  </tr>
</table>

<script type="text/javascript">
  <!--
  // Private objects are initially displayed (because if
  // javascript is turned off then we want them to be
  // visible); but by default, we want to hide them.  So hide
  // them unless we have a cookie that says to show them.
  checkCookie()
  // -->
</script>
  
</body>
</html>