/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
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- Module RawInstreamFile
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- <h1 class="epydoc">Source Code for <a href="echonest.support.midi.RawInstreamFile-module.html">Module echonest.support.midi.RawInstreamFile</a></h1>
- <pre class="py-src">
- <a name="L1"></a><tt class="py-lineno"> 1</tt> <tt class="py-line"><tt class="py-comment"># -*- coding: ISO-8859-1 -*-</tt>
</tt>
- <a name="L2"></a><tt class="py-lineno"> 2</tt> <tt class="py-line">
</tt>
- <a name="L3"></a><tt class="py-lineno"> 3</tt> <tt class="py-line"><tt class="py-comment"># standard library imports</tt>
</tt>
- <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>
- <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>
- <a name="L6"></a><tt class="py-lineno"> 6</tt> <tt class="py-line">
</tt>
- <a name="L7"></a><tt class="py-lineno"> 7</tt> <tt class="py-line"><tt class="py-comment"># custom import</tt>
</tt>
- <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
- 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>
- <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>
- <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>
- </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>
- <a name="L13"></a><tt class="py-lineno"> 13</tt> <tt class="py-line"> <tt class="py-docstring">"""
</tt> </tt>
- <a name="L14"></a><tt class="py-lineno"> 14</tt> <tt class="py-line"><tt class="py-docstring">
</tt> </tt>
- <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>
- <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>
- <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>
- <a name="L18"></a><tt class="py-lineno"> 18</tt> <tt class="py-line"><tt class="py-docstring">
</tt> </tt>
- <a name="L19"></a><tt class="py-lineno"> 19</tt> <tt class="py-line"><tt class="py-docstring"> """</tt> </tt>
- <a name="L20"></a><tt class="py-lineno"> 20</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- <a name="L24"></a><tt class="py-lineno"> 24</tt> <tt class="py-line"><tt class="py-docstring"> that file.
</tt> </tt>
- <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>
- <a name="L26"></a><tt class="py-lineno"> 26</tt> <tt class="py-line"><tt class="py-docstring"> close it.
</tt> </tt>
- <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>
- <a name="L28"></a><tt class="py-lineno"> 28</tt> <tt class="py-line"><tt class="py-docstring"> copy them into memory.
</tt> </tt>
- <a name="L29"></a><tt class="py-lineno"> 29</tt> <tt class="py-line"><tt class="py-docstring"> """</tt> </tt>
- <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>
- <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>
- <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>
- <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
- 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>
- <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>
- <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>
- <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>
- <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
- 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>
- <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>
- <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>
- <a name="L40"></a><tt class="py-lineno"> 40</tt> <tt class="py-line"> <tt class="py-comment"># start at beginning ;-)</tt>
</tt>
- <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>
- </div><a name="L42"></a><tt class="py-lineno"> 42</tt> <tt class="py-line">
</tt>
- <a name="L43"></a><tt class="py-lineno"> 43</tt> <tt class="py-line">
</tt>
- <a name="L44"></a><tt class="py-lineno"> 44</tt> <tt class="py-line"> <tt class="py-comment"># setting up data manually</tt>
</tt>
- <a name="L45"></a><tt class="py-lineno"> 45</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- </div><a name="L49"></a><tt class="py-lineno"> 49</tt> <tt class="py-line">
</tt>
- <a name="L50"></a><tt class="py-lineno"> 50</tt> <tt class="py-line"> <tt class="py-comment"># cursor operations</tt>
</tt>
- <a name="L51"></a><tt class="py-lineno"> 51</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- </div><a name="L55"></a><tt class="py-lineno"> 55</tt> <tt class="py-line">
</tt>
- <a name="L56"></a><tt class="py-lineno"> 56</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- </div><a name="L60"></a><tt class="py-lineno"> 60</tt> <tt class="py-line">
</tt>
- <a name="L61"></a><tt class="py-lineno"> 61</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- </div><a name="L65"></a><tt class="py-lineno"> 65</tt> <tt class="py-line">
</tt>
- <a name="L66"></a><tt class="py-lineno"> 66</tt> <tt class="py-line"> <tt class="py-comment"># native data reading functions</tt>
</tt>
- <a name="L67"></a><tt class="py-lineno"> 67</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- <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>
- <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>
- <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>
- <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>
- </div><a name="L75"></a><tt class="py-lineno"> 75</tt> <tt class="py-line">
</tt>
- <a name="L76"></a><tt class="py-lineno"> 76</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- <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>
- <a name="L81"></a><tt class="py-lineno"> 81</tt> <tt class="py-line"><tt class="py-docstring"> """</tt> </tt>
- <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
- 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>
- </div><a name="L83"></a><tt class="py-lineno"> 83</tt> <tt class="py-line">
</tt>
- <a name="L84"></a><tt class="py-lineno"> 84</tt> <tt class="py-line">
</tt>
- <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>
- </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>
- <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>
- <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>
- <a name="L89"></a><tt class="py-lineno"> 89</tt> <tt class="py-line"><tt class="py-docstring"> """</tt> </tt>
- <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>
- <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>
- <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>
- <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>
- <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>
- </div></div><a name="L95"></a><tt class="py-lineno"> 95</tt> <tt class="py-line">
</tt>
- <a name="L96"></a><tt class="py-lineno"> 96</tt> <tt class="py-line">
</tt>
- <a name="L97"></a><tt class="py-lineno"> 97</tt> <tt class="py-line">
</tt>
- <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>
- <a name="L99"></a><tt class="py-lineno"> 99</tt> <tt class="py-line">
</tt>
- <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>
- <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
- 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>
- <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>
- <a name="L103"></a><tt class="py-lineno">103</tt> <tt class="py-line">
</tt>
- <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>
- <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>
- <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
- 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>
- <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>
- <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>
- <a name="L109"></a><tt class="py-lineno">109</tt> <tt class="py-line"> </tt><script type="text/javascript">
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