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  46   <h1>Source code for src.colorama.initialise</h1><div class="highlight"><pre>
  47 <span class="c"># Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.</span>
  48 <span class="kn">import</span> <span class="nn">atexit</span>
  49 <span class="kn">import</span> <span class="nn">contextlib</span>
  50 <span class="kn">import</span> <span class="nn">sys</span>
  51
  52 <span class="kn">from</span> <span class="nn">.ansitowin32</span> <span class="kn">import</span> <span class="n">AnsiToWin32</span>
  53
  54
  55 <span class="n">orig_stdout</span> <span class="o">=</span> <span class="bp">None</span>
  56 <span class="n">orig_stderr</span> <span class="o">=</span> <span class="bp">None</span>
  57
  58 <span class="n">wrapped_stdout</span> <span class="o">=</span> <span class="bp">None</span>
  59 <span class="n">wrapped_stderr</span> <span class="o">=</span> <span class="bp">None</span>
  60
  61 <span class="n">atexit_done</span> <span class="o">=</span> <span class="bp">False</span>
  62
  63
  64 <div class="viewcode-block" id="reset_all"><a class="viewcode-back" href="../../../commands/apidoc/src.colorama.html#src.colorama.initialise.reset_all">[docs]</a><span class="k">def</span> <span class="nf">reset_all</span><span class="p">():</span>
  65     <span class="k">if</span> <span class="n">AnsiToWin32</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>    <span class="c"># Issue #74: objects might become None at exit</span>
  66         <span class="n">AnsiToWin32</span><span class="p">(</span><span class="n">orig_stdout</span><span class="p">)</span><span class="o">.</span><span class="n">reset_all</span><span class="p">()</span>
  67
  68 </div>
  69 <div class="viewcode-block" id="init"><a class="viewcode-back" href="../../../commands/apidoc/src.colorama.html#src.colorama.initialise.init">[docs]</a><span class="k">def</span> <span class="nf">init</span><span class="p">(</span><span class="n">autoreset</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">convert</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">strip</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">wrap</span><span class="o">=</span><span class="bp">True</span><span class="p">):</span>
  70
  71     <span class="k">if</span> <span class="ow">not</span> <span class="n">wrap</span> <span class="ow">and</span> <span class="nb">any</span><span class="p">([</span><span class="n">autoreset</span><span class="p">,</span> <span class="n">convert</span><span class="p">,</span> <span class="n">strip</span><span class="p">]):</span>
  72         <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s">&#39;wrap=False conflicts with any other arg=True&#39;</span><span class="p">)</span>
  73
  74     <span class="k">global</span> <span class="n">wrapped_stdout</span><span class="p">,</span> <span class="n">wrapped_stderr</span>
  75     <span class="k">global</span> <span class="n">orig_stdout</span><span class="p">,</span> <span class="n">orig_stderr</span>
  76
  77     <span class="n">orig_stdout</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span>
  78     <span class="n">orig_stderr</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span>
  79
  80     <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
  81         <span class="n">wrapped_stdout</span> <span class="o">=</span> <span class="bp">None</span>
  82     <span class="k">else</span><span class="p">:</span>
  83         <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span> <span class="o">=</span> <span class="n">wrapped_stdout</span> <span class="o">=</span> \
  84             <span class="n">wrap_stream</span><span class="p">(</span><span class="n">orig_stdout</span><span class="p">,</span> <span class="n">convert</span><span class="p">,</span> <span class="n">strip</span><span class="p">,</span> <span class="n">autoreset</span><span class="p">,</span> <span class="n">wrap</span><span class="p">)</span>
  85     <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
  86         <span class="n">wrapped_stderr</span> <span class="o">=</span> <span class="bp">None</span>
  87     <span class="k">else</span><span class="p">:</span>
  88         <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span> <span class="o">=</span> <span class="n">wrapped_stderr</span> <span class="o">=</span> \
  89             <span class="n">wrap_stream</span><span class="p">(</span><span class="n">orig_stderr</span><span class="p">,</span> <span class="n">convert</span><span class="p">,</span> <span class="n">strip</span><span class="p">,</span> <span class="n">autoreset</span><span class="p">,</span> <span class="n">wrap</span><span class="p">)</span>
  90
  91     <span class="k">global</span> <span class="n">atexit_done</span>
  92     <span class="k">if</span> <span class="ow">not</span> <span class="n">atexit_done</span><span class="p">:</span>
  93         <span class="n">atexit</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">reset_all</span><span class="p">)</span>
  94         <span class="n">atexit_done</span> <span class="o">=</span> <span class="bp">True</span>
  95
  96 </div>
  97 <div class="viewcode-block" id="deinit"><a class="viewcode-back" href="../../../commands/apidoc/src.colorama.html#src.colorama.initialise.deinit">[docs]</a><span class="k">def</span> <span class="nf">deinit</span><span class="p">():</span>
  98     <span class="k">if</span> <span class="n">orig_stdout</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
  99         <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span> <span class="o">=</span> <span class="n">orig_stdout</span>
 100     <span class="k">if</span> <span class="n">orig_stderr</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
 101         <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span> <span class="o">=</span> <span class="n">orig_stderr</span>
 102
 103 </div>
 104 <span class="nd">@contextlib.contextmanager</span>
 105 <div class="viewcode-block" id="colorama_text"><a class="viewcode-back" href="../../../commands/apidoc/src.colorama.html#src.colorama.initialise.colorama_text">[docs]</a><span class="k">def</span> <span class="nf">colorama_text</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 106     <span class="n">init</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
 107     <span class="k">try</span><span class="p">:</span>
 108         <span class="k">yield</span>
 109     <span class="k">finally</span><span class="p">:</span>
 110         <span class="n">deinit</span><span class="p">()</span>
 111
 112 </div>
 113 <div class="viewcode-block" id="reinit"><a class="viewcode-back" href="../../../commands/apidoc/src.colorama.html#src.colorama.initialise.reinit">[docs]</a><span class="k">def</span> <span class="nf">reinit</span><span class="p">():</span>
 114     <span class="k">if</span> <span class="n">wrapped_stdout</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
 115         <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span> <span class="o">=</span> <span class="n">wrapped_stdout</span>
 116     <span class="k">if</span> <span class="n">wrapped_stderr</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
 117         <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span> <span class="o">=</span> <span class="n">wrapped_stderr</span>
 118
 119 </div>
 120 <div class="viewcode-block" id="wrap_stream"><a class="viewcode-back" href="../../../commands/apidoc/src.colorama.html#src.colorama.initialise.wrap_stream">[docs]</a><span class="k">def</span> <span class="nf">wrap_stream</span><span class="p">(</span><span class="n">stream</span><span class="p">,</span> <span class="n">convert</span><span class="p">,</span> <span class="n">strip</span><span class="p">,</span> <span class="n">autoreset</span><span class="p">,</span> <span class="n">wrap</span><span class="p">):</span>
 121     <span class="k">if</span> <span class="n">wrap</span><span class="p">:</span>
 122         <span class="n">wrapper</span> <span class="o">=</span> <span class="n">AnsiToWin32</span><span class="p">(</span><span class="n">stream</span><span class="p">,</span>
 123             <span class="n">convert</span><span class="o">=</span><span class="n">convert</span><span class="p">,</span> <span class="n">strip</span><span class="o">=</span><span class="n">strip</span><span class="p">,</span> <span class="n">autoreset</span><span class="o">=</span><span class="n">autoreset</span><span class="p">)</span>
 124         <span class="k">if</span> <span class="n">wrapper</span><span class="o">.</span><span class="n">should_wrap</span><span class="p">():</span>
 125             <span class="n">stream</span> <span class="o">=</span> <span class="n">wrapper</span><span class="o">.</span><span class="n">stream</span>
 126     <span class="k">return</span> <span class="n">stream</span>
 127 </pre></div></div>
 128
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