/apidocs/echonest.support.midi.RawInstreamFile-pysrc.html

http://echo-nest-remix.googlecode.com/ · HTML · 231 lines · 200 code · 10 blank · 21 comment · 0 complexity · 9ca209127e5d58ecf3da58b589edd972 MD5 · raw file 

    

  1. <?xml version="1.0" encoding="ascii"?>
    2. 

  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    3. 

  3.           "DTD/xhtml1-transitional.dtd">
    4. 

  4. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    5. 

  5. <head>
    6. 

  6.   <title>echonest.support.midi.RawInstreamFile</title>
    7. 

  7.   <link rel="stylesheet" href="epydoc.css" type="text/css" />
    8. 

  8.   <script type="text/javascript" src="epydoc.js"></script>
    9. 

  9. </head>
    10. 

  10. 

  11. <body bgcolor="white" text="black" link="blue" vlink="#204080"
    12. 

  12.       alink="#204080">
    13. 

  13. <!-- ==================== NAVIGATION BAR ==================== -->
    14. 

  14. <table class="navbar" border="0" width="100%" cellpadding="0"
    15. 

  15.        bgcolor="#a0c0ff" cellspacing="0">
    16. 

  16.   <tr valign="middle">
    17. 

  17. 

  18.   <!-- Tree link -->
    19. 

  19.       <th>&nbsp;&nbsp;&nbsp;<a
    20. 

  20.         href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
    21. 

  21. 

  22.   <!-- Index link -->
    23. 

  23.       <th>&nbsp;&nbsp;&nbsp;<a
    24. 

  24.         href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
    25. 

  25. 

  26.   <!-- Help link -->
    27. 

  27.       <th>&nbsp;&nbsp;&nbsp;<a
    28. 

  28.         href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
    29. 

  29. 

  30.   <!-- Project homepage -->
    31. 

  31.       <th class="navbar" align="right" width="100%">
    32. 

  32.         <table border="0" cellpadding="0" cellspacing="0">
    33. 

  33.           <tr><th class="navbar" align="center"
    34. 

  34.             ><a class="navbar" target="_top" href="http://code.google.com/p/echo-nest-remix/">Project Homepage</a></th>
    35. 

  35.           </tr></table></th>
    36. 

  36.   </tr>
    37. 

  37. </table>
    38. 

  38. <table width="100%" cellpadding="0" cellspacing="0">
    39. 

  39.   <tr valign="top">
    40. 

  40.     <td width="100%">
    41. 

  41.       <span class="breadcrumbs">
    42. 

  42.         <a href="echonest-module.html">Package&nbsp;echonest</a> ::
    43. 

  43.         <a href="echonest.support-module.html">Package&nbsp;support</a> ::
    44. 

  44.         <a href="echonest.support.midi-module.html">Package&nbsp;midi</a> ::
    45. 

  45.         Module&nbsp;RawInstreamFile
    46. 

  46.       </span>
    47. 

  47.     </td>
    48. 

  48.     <td>
    49. 

  49.       <table cellpadding="0" cellspacing="0">
    50. 

  50.         <!-- hide/show private -->
    51. 

  51.         <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
    52. 

  52.     onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
    53. 

  53.         <tr><td align="right"><span class="options"
    54. 

  54.             >[<a href="frames.html" target="_top">frames</a
    55. 

  55.             >]&nbsp;|&nbsp;<a href="echonest.support.midi.RawInstreamFile-pysrc.html"
    56. 

  56.             target="_top">no&nbsp;frames</a>]</span></td></tr>
    57. 

  57.       </table>
    58. 

  58.     </td>
    59. 

  59.   </tr>
    60. 

  60. </table>
    61. 

  61. <h1 class="epydoc">Source Code for <a href="echonest.support.midi.RawInstreamFile-module.html">Module echonest.support.midi.RawInstreamFile</a></h1>
    62. 

  62. <pre class="py-src">
    63. 

  63. <a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment"># -*- coding: ISO-8859-1 -*-</tt>
 </tt>
    64. 

  64. <a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line">
 </tt>
    65. 

  65. <a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"># standard library imports</tt>
 </tt>
    66. 

  66. <a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">types</tt> <tt class="py-keyword">import</tt> <tt class="py-name">StringType</tt> </tt>

    67. 

  67. <a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">struct</tt> <tt class="py-keyword">import</tt> <tt class="py-name">unpack</tt> </tt>

    68. 

  68. <a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line">
 </tt>
    69. 

  69. <a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-comment"># custom import</tt>
 </tt>
    70. 

  70. <a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module echonest.support.midi.DataTypeConverters=echonest.support.midi.DataTypeConverters-module.html"><a title="echonest.support.midi.DataTypeConverters" class="py-name" href="#" onclick="return doclink('link-0', 'DataTypeConverters', 'link-0');">DataTypeConverters</a></tt> <tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Function echonest.support.midi.DataTypeConverters.readBew()=echonest.support.midi.DataTypeConverters-module.html#readBew,Method echonest.support.midi.RawInstreamFile.RawInstreamFile.readBew()=echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#readBew"><a title="echonest.support.midi.DataTypeConverters.readBew
    71. 

  71. echonest.support.midi.RawInstreamFile.RawInstreamFile.readBew" class="py-name" href="#" onclick="return doclink('link-1', 'readBew', 'link-1');">readBew</a></tt><tt class="py-op">,</tt> <tt id="link-2" class="py-name" targets="Function echonest.support.midi.DataTypeConverters.readVar()=echonest.support.midi.DataTypeConverters-module.html#readVar"><a title="echonest.support.midi.DataTypeConverters.readVar" class="py-name" href="#" onclick="return doclink('link-2', 'readVar', 'link-2');">readVar</a></tt><tt class="py-op">,</tt> <tt id="link-3" class="py-name" targets="Function echonest.support.midi.DataTypeConverters.varLen()=echonest.support.midi.DataTypeConverters-module.html#varLen"><a title="echonest.support.midi.DataTypeConverters.varLen" class="py-name" href="#" onclick="return doclink('link-3', 'varLen', 'link-3');">varLen</a></tt> </tt>

    72. 

  72. <a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line">
 </tt>
    73. 

  73. <a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line">
 </tt>
    74. 

  74. <a name="RawInstreamFile"></a><div id="RawInstreamFile-def"><a name="L11"></a><tt class="py-lineno"> 11</tt> <a class="py-toggle" href="#" id="RawInstreamFile-toggle" onclick="return toggle('RawInstreamFile');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html">RawInstreamFile</a><tt class="py-op">:</tt> </tt>

    75. 

  75. </div><div id="RawInstreamFile-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="RawInstreamFile-expanded"><a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line">    
 </tt>
    76. 

  76. <a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line">    <tt class="py-docstring">"""
</tt> </tt>
    77. 

  77. <a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-docstring">    
</tt> </tt>
    78. 

  78. <a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-docstring">    It parses and reads data from an input file. It takes care of big 
</tt> </tt>
    79. 

  79. <a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-docstring">    endianess, and keeps track of the cursor position. The midi parser 
</tt> </tt>
    80. 

  80. <a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-docstring">    only reads from this object. Never directly from the file.
</tt> </tt>
    81. 

  81. <a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-docstring">    
</tt> </tt>
    82. 

  82. <a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>

    83. 

  83. <a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line">    
 </tt>
    84. 

  84. <a name="RawInstreamFile.__init__"></a><div id="RawInstreamFile.__init__-def"><a name="L21"></a><tt class="py-lineno"> 21</tt> <a class="py-toggle" href="#" id="RawInstreamFile.__init__-toggle" onclick="return toggle('RawInstreamFile.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">infile</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    85. 

  85. </div><div id="RawInstreamFile.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.__init__-expanded"><a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line">        <tt class="py-docstring">""" 
</tt> </tt>
    86. 

  86. <a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-docstring">        If 'file' is a string we assume it is a path and read from 
</tt> </tt>
    87. 

  87. <a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-docstring">        that file.
</tt> </tt>
    88. 

  88. <a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-docstring">        If it is a file descriptor we read from the file, but we don't 
</tt> </tt>
    89. 

  89. <a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-docstring">        close it.
</tt> </tt>
    90. 

  90. <a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt class="py-docstring">        Midi files are usually pretty small, so it should be safe to 
</tt> </tt>
    91. 

  91. <a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-docstring">        copy them into memory.
</tt> </tt>
    92. 

  92. <a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>

    93. 

  93. <a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">infile</tt><tt class="py-op">:</tt> </tt>

    94. 

  94. <a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">infile</tt><tt class="py-op">,</tt> <tt class="py-name">StringType</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    95. 

  95. <a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line">                <tt class="py-name">infile</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">infile</tt><tt class="py-op">,</tt> <tt class="py-string">'rb'</tt><tt class="py-op">)</tt> </tt>

    96. 

  96. <a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">infile</tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Method echonest.support.midi.MidiInFile.MidiInFile.read()=echonest.support.midi.MidiInFile.MidiInFile-class.html#read,Method echonest.support.midi.MidiInStream.MidiInStream.read()=echonest.support.midi.MidiInStream.MidiInStream-class.html#read"><a title="echonest.support.midi.MidiInFile.MidiInFile.read
    97. 

  97. echonest.support.midi.MidiInStream.MidiInStream.read" class="py-name" href="#" onclick="return doclink('link-4', 'read', 'link-4');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>

    98. 

  98. <a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line">                <tt class="py-name">infile</tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Method echonest.support.midi.MidiInStream.MidiInStream.close()=echonest.support.midi.MidiInStream.MidiInStream-class.html#close"><a title="echonest.support.midi.MidiInStream.MidiInStream.close" class="py-name" href="#" onclick="return doclink('link-5', 'close', 'link-5');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>

    99. 

  99. <a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>

    100. 

  100. <a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">                <tt class="py-comment"># don't close the f</tt>
 </tt>
    101. 

  101. <a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">infile</tt><tt class="py-op">.</tt><tt id="link-6" class="py-name"><a title="echonest.support.midi.MidiInFile.MidiInFile.read
    102. 

  102. echonest.support.midi.MidiInStream.MidiInStream.read" class="py-name" href="#" onclick="return doclink('link-6', 'read', 'link-4');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>

    103. 

  103. <a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>

    104. 

  104. <a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>

    105. 

  105. <a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line">        <tt class="py-comment"># start at beginning ;-)</tt>
 </tt>
    106. 

  106. <a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cursor</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>

    107. 

  107. </div><a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line">
 </tt>
    108. 

  108. <a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line">
 </tt>
    109. 

  109. <a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line">    <tt class="py-comment"># setting up data manually</tt>
 </tt>
    110. 

  110. <a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line">    
 </tt>
    111. 

  111. <a name="RawInstreamFile.setData"></a><div id="RawInstreamFile.setData-def"><a name="L46"></a><tt class="py-lineno"> 46</tt> <a class="py-toggle" href="#" id="RawInstreamFile.setData-toggle" onclick="return toggle('RawInstreamFile.setData');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#setData">setData</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">data</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    112. 

  112. </div><div id="RawInstreamFile.setData-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.setData-expanded"><a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">        <tt class="py-docstring">"Sets the data from a string."</tt> </tt>

    113. 

  113. <a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">data</tt> </tt>

    114. 

  114. </div><a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line">    
 </tt>
    115. 

  115. <a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line">    <tt class="py-comment"># cursor operations</tt>
 </tt>
    116. 

  116. <a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line">
 </tt>
    117. 

  117. <a name="RawInstreamFile.setCursor"></a><div id="RawInstreamFile.setCursor-def"><a name="L52"></a><tt class="py-lineno"> 52</tt> <a class="py-toggle" href="#" id="RawInstreamFile.setCursor-toggle" onclick="return toggle('RawInstreamFile.setCursor');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#setCursor">setCursor</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">position</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    118. 

  118. </div><div id="RawInstreamFile.setCursor-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.setCursor-expanded"><a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line">        <tt class="py-docstring">"Sets the absolute position if the cursor"</tt> </tt>

    119. 

  119. <a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cursor</tt> <tt class="py-op">=</tt> <tt class="py-name">position</tt> </tt>

    120. 

  120. </div><a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line">
 </tt>
    121. 

  121. <a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">
 </tt>
    122. 

  122. <a name="RawInstreamFile.getCursor"></a><div id="RawInstreamFile.getCursor-def"><a name="L57"></a><tt class="py-lineno"> 57</tt> <a class="py-toggle" href="#" id="RawInstreamFile.getCursor-toggle" onclick="return toggle('RawInstreamFile.getCursor');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#getCursor">getCursor</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    123. 

  123. </div><div id="RawInstreamFile.getCursor-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.getCursor-expanded"><a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">        <tt class="py-docstring">"Returns the value of the cursor"</tt> </tt>

    124. 

  124. <a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cursor</tt> </tt>

    125. 

  125. </div><a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">        
 </tt>
    126. 

  126. <a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">        
 </tt>
    127. 

  127. <a name="RawInstreamFile.moveCursor"></a><div id="RawInstreamFile.moveCursor-def"><a name="L62"></a><tt class="py-lineno"> 62</tt> <a class="py-toggle" href="#" id="RawInstreamFile.moveCursor-toggle" onclick="return toggle('RawInstreamFile.moveCursor');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#moveCursor">moveCursor</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">relative_position</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    128. 

  128. </div><div id="RawInstreamFile.moveCursor-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.moveCursor-expanded"><a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">        <tt class="py-docstring">"Moves the cursor to a new relative position"</tt> </tt>

    129. 

  129. <a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cursor</tt> <tt class="py-op">+=</tt> <tt class="py-name">relative_position</tt> </tt>

    130. 

  130. </div><a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">
 </tt>
    131. 

  131. <a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">    <tt class="py-comment"># native data reading functions</tt>
 </tt>
    132. 

  132. <a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">        
 </tt>
    133. 

  133. <a name="RawInstreamFile.nextSlice"></a><div id="RawInstreamFile.nextSlice-def"><a name="L68"></a><tt class="py-lineno"> 68</tt> <a class="py-toggle" href="#" id="RawInstreamFile.nextSlice-toggle" onclick="return toggle('RawInstreamFile.nextSlice');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#nextSlice">nextSlice</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">length</tt><tt class="py-op">,</tt> <tt class="py-param">move_cursor</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    134. 

  134. </div><div id="RawInstreamFile.nextSlice-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.nextSlice-expanded"><a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">        <tt class="py-docstring">"Reads the next text slice from the raw data, with length"</tt> </tt>

    135. 

  135. <a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">        <tt class="py-name">c</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cursor</tt> </tt>

    136. 

  136. <a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line">        <tt class="py-name">slc</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">[</tt><tt class="py-name">c</tt><tt class="py-op">:</tt><tt class="py-name">c</tt><tt class="py-op">+</tt><tt class="py-name">length</tt><tt class="py-op">]</tt> </tt>

    137. 

  137. <a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">move_cursor</tt><tt class="py-op">:</tt> </tt>

    138. 

  138. <a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-7" class="py-name" targets="Method echonest.support.midi.RawInstreamFile.RawInstreamFile.moveCursor()=echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#moveCursor"><a title="echonest.support.midi.RawInstreamFile.RawInstreamFile.moveCursor" class="py-name" href="#" onclick="return doclink('link-7', 'moveCursor', 'link-7');">moveCursor</a></tt><tt class="py-op">(</tt><tt class="py-name">length</tt><tt class="py-op">)</tt> </tt>

    139. 

  139. <a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">slc</tt> </tt>

    140. 

  140. </div><a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">        
 </tt>
    141. 

  141. <a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line">        
 </tt>
    142. 

  142. <a name="RawInstreamFile.readBew"></a><div id="RawInstreamFile.readBew-def"><a name="L77"></a><tt class="py-lineno"> 77</tt> <a class="py-toggle" href="#" id="RawInstreamFile.readBew-toggle" onclick="return toggle('RawInstreamFile.readBew');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#readBew">readBew</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">n_bytes</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-param">move_cursor</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    143. 

  143. </div><div id="RawInstreamFile.readBew-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.readBew-expanded"><a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">        <tt class="py-docstring">"""
</tt> </tt>
    144. 

  144. <a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line"><tt class="py-docstring">        Reads n bytes of date from the current cursor position.
</tt> </tt>
    145. 

  145. <a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">        Moves cursor if move_cursor is true
</tt> </tt>
    146. 

  146. <a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>

    147. 

  147. <a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-8" class="py-name"><a title="echonest.support.midi.DataTypeConverters.readBew
    148. 

  148. echonest.support.midi.RawInstreamFile.RawInstreamFile.readBew" class="py-name" href="#" onclick="return doclink('link-8', 'readBew', 'link-1');">readBew</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name" targets="Method echonest.support.midi.RawInstreamFile.RawInstreamFile.nextSlice()=echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#nextSlice"><a title="echonest.support.midi.RawInstreamFile.RawInstreamFile.nextSlice" class="py-name" href="#" onclick="return doclink('link-9', 'nextSlice', 'link-9');">nextSlice</a></tt><tt class="py-op">(</tt><tt class="py-name">n_bytes</tt><tt class="py-op">,</tt> <tt class="py-name">move_cursor</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>

    149. 

  149. </div><a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">
 </tt>
    150. 

  150. <a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">
 </tt>
    151. 

  151. <a name="RawInstreamFile.readVarLen"></a><div id="RawInstreamFile.readVarLen-def"><a name="L85"></a><tt class="py-lineno"> 85</tt> <a class="py-toggle" href="#" id="RawInstreamFile.readVarLen-toggle" onclick="return toggle('RawInstreamFile.readVarLen');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#readVarLen">readVarLen</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>

    152. 

  152. </div><div id="RawInstreamFile.readVarLen-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="RawInstreamFile.readVarLen-expanded"><a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">        <tt class="py-docstring">"""
</tt> </tt>
    153. 

  153. <a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line"><tt class="py-docstring">        Reads a variable length value from the current cursor position.
</tt> </tt>
    154. 

  154. <a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line"><tt class="py-docstring">        Moves cursor if move_cursor is true
</tt> </tt>
    155. 

  155. <a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>

    156. 

  156. <a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">        <tt class="py-name">MAX_VARLEN</tt> <tt class="py-op">=</tt> <tt class="py-number">4</tt> <tt class="py-comment"># Max value varlen can be</tt> </tt>

    157. 

  157. <a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">        <tt class="py-name">var</tt> <tt class="py-op">=</tt> <tt id="link-10" class="py-name"><a title="echonest.support.midi.DataTypeConverters.readVar" class="py-name" href="#" onclick="return doclink('link-10', 'readVar', 'link-2');">readVar</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-11" class="py-name"><a title="echonest.support.midi.RawInstreamFile.RawInstreamFile.nextSlice" class="py-name" href="#" onclick="return doclink('link-11', 'nextSlice', 'link-9');">nextSlice</a></tt><tt class="py-op">(</tt><tt class="py-name">MAX_VARLEN</tt><tt class="py-op">,</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>

    158. 

  158. <a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">        <tt class="py-comment"># only move cursor the actual bytes in varlen</tt>
 </tt>
    159. 

  159. <a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-12" class="py-name"><a title="echonest.support.midi.RawInstreamFile.RawInstreamFile.moveCursor" class="py-name" href="#" onclick="return doclink('link-12', 'moveCursor', 'link-7');">moveCursor</a></tt><tt class="py-op">(</tt><tt id="link-13" class="py-name"><a title="echonest.support.midi.DataTypeConverters.varLen" class="py-name" href="#" onclick="return doclink('link-13', 'varLen', 'link-3');">varLen</a></tt><tt class="py-op">(</tt><tt class="py-name">var</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>

    160. 

  160. <a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">var</tt> </tt>

    161. 

  161. </div></div><a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">
 </tt>
    162. 

  162. <a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">
 </tt>
    163. 

  163. <a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">
 </tt>
    164. 

  164. <a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line"><tt class="py-keyword">if</tt> <tt class="py-name">__name__</tt> <tt class="py-op">==</tt> <tt class="py-string">'__main__'</tt><tt class="py-op">:</tt> </tt>

    165. 

  165. <a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">
 </tt>
    166. 

  166. <a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">    <tt id="link-14" class="py-name" targets="Variable echonest.support.midi.example_print_file.test_file=echonest.support.midi.example_print_file-module.html#test_file"><a title="echonest.support.midi.example_print_file.test_file" class="py-name" href="#" onclick="return doclink('link-14', 'test_file', 'link-14');">test_file</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'test/midifiles/minimal.mid'</tt> </tt>

    167. 

  167. <a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">    <tt class="py-name">fis</tt> <tt class="py-op">=</tt> <tt id="link-15" class="py-name" targets="Module echonest.support.midi.RawInstreamFile=echonest.support.midi.RawInstreamFile-module.html,Class echonest.support.midi.RawInstreamFile.RawInstreamFile=echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html"><a title="echonest.support.midi.RawInstreamFile
    168. 

  168. echonest.support.midi.RawInstreamFile.RawInstreamFile" class="py-name" href="#" onclick="return doclink('link-15', 'RawInstreamFile', 'link-15');">RawInstreamFile</a></tt><tt class="py-op">(</tt><tt id="link-16" class="py-name"><a title="echonest.support.midi.example_print_file.test_file" class="py-name" href="#" onclick="return doclink('link-16', 'test_file', 'link-14');">test_file</a></tt><tt class="py-op">)</tt> </tt>

    169. 

  169. <a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">    <tt class="py-keyword">print</tt> <tt class="py-name">fis</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name"><a title="echonest.support.midi.RawInstreamFile.RawInstreamFile.nextSlice" class="py-name" href="#" onclick="return doclink('link-17', 'nextSlice', 'link-9');">nextSlice</a></tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">fis</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>

    170. 

  170. <a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">
 </tt>
    171. 

  171. <a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">    <tt id="link-18" class="py-name"><a title="echonest.support.midi.example_print_file.test_file" class="py-name" href="#" onclick="return doclink('link-18', 'test_file', 'link-14');">test_file</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'test/midifiles/cubase-minimal.mid'</tt> </tt>

    172. 

  172. <a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">    <tt class="py-name">cubase_minimal</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt id="link-19" class="py-name"><a title="echonest.support.midi.example_print_file.test_file" class="py-name" href="#" onclick="return doclink('link-19', 'test_file', 'link-14');">test_file</a></tt><tt class="py-op">,</tt> <tt class="py-string">'rb'</tt><tt class="py-op">)</tt> </tt>

    173. 

  173. <a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">    <tt class="py-name">fis2</tt> <tt class="py-op">=</tt> <tt id="link-20" class="py-name"><a title="echonest.support.midi.RawInstreamFile
    174. 

  174. echonest.support.midi.RawInstreamFile.RawInstreamFile" class="py-name" href="#" onclick="return doclink('link-20', 'RawInstreamFile', 'link-15');">RawInstreamFile</a></tt><tt class="py-op">(</tt><tt class="py-name">cubase_minimal</tt><tt class="py-op">)</tt> </tt>

    175. 

  175. <a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">    <tt class="py-keyword">print</tt> <tt class="py-name">fis2</tt><tt class="py-op">.</tt><tt id="link-21" class="py-name"><a title="echonest.support.midi.RawInstreamFile.RawInstreamFile.nextSlice" class="py-name" href="#" onclick="return doclink('link-21', 'nextSlice', 'link-9');">nextSlice</a></tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">fis2</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>

    176. 

  176. <a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">    <tt class="py-name">cubase_minimal</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name"><a title="echonest.support.midi.MidiInStream.MidiInStream.close" class="py-name" href="#" onclick="return doclink('link-22', 'close', 'link-5');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
    177. 

  177. <a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line"> </tt><script type="text/javascript">
    178. 

  178. <!--
    179. 

  179. expandto(location.href);
    180. 

  180. // -->
    181. 

  181. </script>
    182. 

  182. </pre>
    183. 

  183. <br />
    184. 

  184. <!-- ==================== NAVIGATION BAR ==================== -->
    185. 

  185. <table class="navbar" border="0" width="100%" cellpadding="0"
    186. 

  186.        bgcolor="#a0c0ff" cellspacing="0">
    187. 

  187.   <tr valign="middle">
    188. 

  188. 

  189.   <!-- Tree link -->
    190. 

  190.       <th>&nbsp;&nbsp;&nbsp;<a
    191. 

  191.         href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
    192. 

  192. 

  193.   <!-- Index link -->
    194. 

  194.       <th>&nbsp;&nbsp;&nbsp;<a
    195. 

  195.         href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
    196. 

  196. 

  197.   <!-- Help link -->
    198. 

  198.       <th>&nbsp;&nbsp;&nbsp;<a
    199. 

  199.         href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
    200. 

  200. 

  201.   <!-- Project homepage -->
    202. 

  202.       <th class="navbar" align="right" width="100%">
    203. 

  203.         <table border="0" cellpadding="0" cellspacing="0">
    204. 

  204.           <tr><th class="navbar" align="center"
    205. 

  205.             ><a class="navbar" target="_top" href="http://code.google.com/p/echo-nest-remix/">Project Homepage</a></th>
    206. 

  206.           </tr></table></th>
    207. 

  207.   </tr>
    208. 

  208. </table>
    209. 

  209. <table border="0" cellpadding="0" cellspacing="0" width="100%%">
    210. 

  210.   <tr>
    211. 

  211.     <td align="left" class="footer">
    212. 

  212.     Generated by Epydoc 3.0.1 on Wed Sep  1 16:08:59 2010
    213. 

  213.     </td>
    214. 

  214.     <td align="right" class="footer">
    215. 

  215.       <a target="mainFrame" href="http://epydoc.sourceforge.net"
    216. 

  216.         >http://epydoc.sourceforge.net</a>
    217. 

  217.     </td>
    218. 

  218.   </tr>
    219. 

  219. </table>
    220. 

  220. 

  221. <script type="text/javascript">
    222. 

  222.   <!--
    223. 

  223.   // Private objects are initially displayed (because if
    224. 

  224.   // javascript is turned off then we want them to be
    225. 

  225.   // visible); but by default, we want to hide them.  So hide
    226. 

  226.   // them unless we have a cookie that says to show them.
    227. 

  227.   checkCookie();
    228. 

  228.   // -->
    229. 

  229. </script>
    230. 

  230. </body>
    231. 

  231. </html>
    232.