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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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<h1>Source code for torchreid.data.datasets.dataset</h1><div class="highlight"><pre>
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<span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">absolute_import</span>
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<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">print_function</span>
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<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">division</span>
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<span class="kn">import</span> <span class="nn">os.path</span> <span class="k">as</span> <span class="nn">osp</span>
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<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
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<span class="kn">import</span> <span class="nn">tarfile</span>
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<span class="kn">import</span> <span class="nn">zipfile</span>
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<span class="kn">import</span> <span class="nn">copy</span>
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<span class="kn">import</span> <span class="nn">torch</span>
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<span class="kn">from</span> <span class="nn">torchreid.utils</span> <span class="k">import</span> <span class="n">read_image</span><span class="p">,</span> <span class="n">mkdir_if_missing</span><span class="p">,</span> <span class="n">download_url</span>
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<div class="viewcode-block" id="Dataset"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset">[docs]</a><span class="k">class</span> <span class="nc">Dataset</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
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<span class="sd">"""An abstract class representing a Dataset.</span>
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<span class="sd"> This is the base class for ``ImageDataset`` and ``VideoDataset``.</span>
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<span class="sd"> Args:</span>
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<span class="sd"> train (list): contains tuples of (img_path(s), pid, camid).</span>
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<span class="sd"> query (list): contains tuples of (img_path(s), pid, camid).</span>
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<span class="sd"> gallery (list): contains tuples of (img_path(s), pid, camid).</span>
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<span class="sd"> transform: transform function.</span>
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<span class="sd"> mode (str): 'train', 'query' or 'gallery'.</span>
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<span class="sd"> combineall (bool): combines train, query and gallery in a</span>
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<span class="sd"> dataset for training.</span>
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<span class="sd"> verbose (bool): show information.</span>
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<span class="sd"> """</span>
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<span class="n">_junk_pids</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># contains useless person IDs, e.g. background, false detections</span>
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<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">train</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="n">gallery</span><span class="p">,</span> <span class="n">transform</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s1">'train'</span><span class="p">,</span>
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<span class="n">combineall</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">verbose</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">train</span> <span class="o">=</span> <span class="n">train</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">query</span> <span class="o">=</span> <span class="n">query</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">gallery</span> <span class="o">=</span> <span class="n">gallery</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">transform</span> <span class="o">=</span> <span class="n">transform</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">=</span> <span class="n">mode</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">combineall</span> <span class="o">=</span> <span class="n">combineall</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">verbose</span> <span class="o">=</span> <span class="n">verbose</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">num_train_pids</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_num_pids</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">num_train_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_num_cams</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">combineall</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">combine_all</span><span class="p">()</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">==</span> <span class="s1">'train'</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">train</span>
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<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">==</span> <span class="s1">'query'</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">query</span>
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<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">==</span> <span class="s1">'gallery'</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">gallery</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s1">'Invalid mode. Got </span><span class="si">{}</span><span class="s1">, but expected to be '</span>
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<span class="s1">'one of [train | query | gallery]'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">))</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">show_summary</span><span class="p">()</span>
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<span class="k">def</span> <span class="nf">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">index</span><span class="p">):</span>
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<span class="k">raise</span> <span class="ne">NotImplementedError</span>
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<span class="k">def</span> <span class="nf">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">__add__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
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<span class="sd">"""Adds two datasets together (only the train set)."""</span>
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<span class="n">train</span> <span class="o">=</span> <span class="n">copy</span><span class="o">.</span><span class="n">deepcopy</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
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<span class="k">for</span> <span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span> <span class="ow">in</span> <span class="n">other</span><span class="o">.</span><span class="n">train</span><span class="p">:</span>
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<span class="n">pid</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">num_train_pids</span>
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<span class="n">camid</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">num_train_cams</span>
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<span class="n">train</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span><span class="p">))</span>
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<span class="c1">###################################</span>
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<span class="c1"># Things to do beforehand:</span>
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<span class="c1"># 1. set verbose=False to avoid unnecessary print</span>
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<span class="c1"># 2. set combineall=False because combineall would have been applied</span>
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<span class="c1"># if it was True for a specific dataset, setting it to True will</span>
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<span class="c1"># create new IDs that should have been included</span>
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<span class="c1">###################################</span>
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<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">train</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="mi">0</span><span class="p">],</span> <span class="nb">str</span><span class="p">):</span>
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<span class="k">return</span> <span class="n">ImageDataset</span><span class="p">(</span>
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<span class="n">train</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">,</span>
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<span class="n">transform</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">transform</span><span class="p">,</span>
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<span class="n">mode</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">,</span>
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<span class="n">combineall</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
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<span class="n">verbose</span><span class="o">=</span><span class="kc">False</span>
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<span class="p">)</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="k">return</span> <span class="n">VideoDataset</span><span class="p">(</span>
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|
<span class="n">train</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">,</span>
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<span class="n">transform</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">transform</span><span class="p">,</span>
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<span class="n">mode</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">,</span>
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<span class="n">combineall</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
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|
<span class="n">verbose</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
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<span class="n">seq_len</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span><span class="p">,</span>
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|
<span class="n">sample_method</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">sample_method</span>
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<span class="p">)</span>
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<span class="k">def</span> <span class="nf">__radd__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
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<span class="sd">"""Supports sum([dataset1, dataset2, dataset3])."""</span>
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|
<span class="k">if</span> <span class="n">other</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
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|
<span class="k">return</span> <span class="bp">self</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="fm">__add__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span>
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<div class="viewcode-block" id="Dataset.parse_data"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.parse_data">[docs]</a> <span class="k">def</span> <span class="nf">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
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<span class="sd">"""Parses data list and returns the number of person IDs</span>
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<span class="sd"> and the number of camera views.</span>
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|
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<span class="sd"> Args:</span>
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|
<span class="sd"> data (list): contains tuples of (img_path(s), pid, camid)</span>
|
|
<span class="sd"> """</span>
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|
<span class="n">pids</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
|
<span class="n">cams</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
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<span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span>
|
|
<span class="n">pids</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pid</span><span class="p">)</span>
|
|
<span class="n">cams</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">camid</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="n">pids</span><span class="p">),</span> <span class="nb">len</span><span class="p">(</span><span class="n">cams</span><span class="p">)</span></div>
|
|
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<div class="viewcode-block" id="Dataset.get_num_pids"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.get_num_pids">[docs]</a> <span class="k">def</span> <span class="nf">get_num_pids</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
|
|
<span class="sd">"""Returns the number of training person identities."""</span>
|
|
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="n">data</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span></div>
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<div class="viewcode-block" id="Dataset.get_num_cams"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.get_num_cams">[docs]</a> <span class="k">def</span> <span class="nf">get_num_cams</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
|
|
<span class="sd">"""Returns the number of training cameras."""</span>
|
|
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="n">data</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span></div>
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<div class="viewcode-block" id="Dataset.show_summary"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.show_summary">[docs]</a> <span class="k">def</span> <span class="nf">show_summary</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Shows dataset statistics."""</span>
|
|
<span class="k">pass</span></div>
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<div class="viewcode-block" id="Dataset.combine_all"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.combine_all">[docs]</a> <span class="k">def</span> <span class="nf">combine_all</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Combines train, query and gallery in a dataset for training."""</span>
|
|
<span class="n">combined</span> <span class="o">=</span> <span class="n">copy</span><span class="o">.</span><span class="n">deepcopy</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
|
|
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|
<span class="c1"># relabel pids in gallery (query shares the same scope)</span>
|
|
<span class="n">g_pids</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
|
<span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">pid</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_junk_pids</span><span class="p">:</span>
|
|
<span class="k">continue</span>
|
|
<span class="n">g_pids</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pid</span><span class="p">)</span>
|
|
<span class="n">pid2label</span> <span class="o">=</span> <span class="p">{</span><span class="n">pid</span><span class="p">:</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">pid</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">g_pids</span><span class="p">)}</span>
|
|
|
|
<span class="k">def</span> <span class="nf">_combine_data</span><span class="p">(</span><span class="n">data</span><span class="p">):</span>
|
|
<span class="k">for</span> <span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">pid</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_junk_pids</span><span class="p">:</span>
|
|
<span class="k">continue</span>
|
|
<span class="n">pid</span> <span class="o">=</span> <span class="n">pid2label</span><span class="p">[</span><span class="n">pid</span><span class="p">]</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">num_train_pids</span>
|
|
<span class="n">combined</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span><span class="p">))</span>
|
|
|
|
<span class="n">_combine_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">)</span>
|
|
<span class="n">_combine_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">)</span>
|
|
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">train</span> <span class="o">=</span> <span class="n">combined</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">num_train_pids</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_num_pids</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span></div>
|
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<div class="viewcode-block" id="Dataset.download_dataset"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.download_dataset">[docs]</a> <span class="k">def</span> <span class="nf">download_dataset</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dataset_dir</span><span class="p">,</span> <span class="n">dataset_url</span><span class="p">):</span>
|
|
<span class="sd">"""Downloads and extracts dataset.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> dataset_dir (str): dataset directory.</span>
|
|
<span class="sd"> dataset_url (str): url to download dataset.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="n">osp</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">dataset_dir</span><span class="p">):</span>
|
|
<span class="k">return</span>
|
|
|
|
<span class="k">if</span> <span class="n">dataset_url</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
|
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s1">'</span><span class="si">{}</span><span class="s1"> dataset needs to be manually '</span>
|
|
<span class="s1">'prepared, please follow the '</span>
|
|
<span class="s1">'document to prepare this dataset'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">))</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'Creating directory "</span><span class="si">{}</span><span class="s1">"'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">dataset_dir</span><span class="p">))</span>
|
|
<span class="n">mkdir_if_missing</span><span class="p">(</span><span class="n">dataset_dir</span><span class="p">)</span>
|
|
<span class="n">fpath</span> <span class="o">=</span> <span class="n">osp</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">dataset_dir</span><span class="p">,</span> <span class="n">osp</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">dataset_url</span><span class="p">))</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'Downloading </span><span class="si">{}</span><span class="s1"> dataset to "</span><span class="si">{}</span><span class="s1">"'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">dataset_dir</span><span class="p">))</span>
|
|
<span class="n">download_url</span><span class="p">(</span><span class="n">dataset_url</span><span class="p">,</span> <span class="n">fpath</span><span class="p">)</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'Extracting "</span><span class="si">{}</span><span class="s1">"'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">fpath</span><span class="p">))</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">tar</span> <span class="o">=</span> <span class="n">tarfile</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">fpath</span><span class="p">)</span>
|
|
<span class="n">tar</span><span class="o">.</span><span class="n">extractall</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="n">dataset_dir</span><span class="p">)</span>
|
|
<span class="n">tar</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
|
|
<span class="k">except</span><span class="p">:</span>
|
|
<span class="n">zip_ref</span> <span class="o">=</span> <span class="n">zipfile</span><span class="o">.</span><span class="n">ZipFile</span><span class="p">(</span><span class="n">fpath</span><span class="p">,</span> <span class="s1">'r'</span><span class="p">)</span>
|
|
<span class="n">zip_ref</span><span class="o">.</span><span class="n">extractall</span><span class="p">(</span><span class="n">dataset_dir</span><span class="p">)</span>
|
|
<span class="n">zip_ref</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'</span><span class="si">{}</span><span class="s1"> dataset is ready'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">))</span></div>
|
|
|
|
<div class="viewcode-block" id="Dataset.check_before_run"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.Dataset.check_before_run">[docs]</a> <span class="k">def</span> <span class="nf">check_before_run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">required_files</span><span class="p">):</span>
|
|
<span class="sd">"""Checks if required files exist before going deeper.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> required_files (str or list): string file name(s).</span>
|
|
<span class="sd"> """</span>
|
|
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">required_files</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
<span class="n">required_files</span> <span class="o">=</span> <span class="p">[</span><span class="n">required_files</span><span class="p">]</span>
|
|
|
|
<span class="k">for</span> <span class="n">fpath</span> <span class="ow">in</span> <span class="n">required_files</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="ow">not</span> <span class="n">osp</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">fpath</span><span class="p">):</span>
|
|
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s1">'"</span><span class="si">{}</span><span class="s1">" is not found'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">fpath</span><span class="p">))</span></div>
|
|
|
|
<span class="k">def</span> <span class="nf">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="n">num_train_pids</span><span class="p">,</span> <span class="n">num_train_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
|
|
<span class="n">num_query_pids</span><span class="p">,</span> <span class="n">num_query_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">)</span>
|
|
<span class="n">num_gallery_pids</span><span class="p">,</span> <span class="n">num_gallery_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">)</span>
|
|
|
|
<span class="n">msg</span> <span class="o">=</span> <span class="s1">' ----------------------------------------</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' subset | # ids | # items | # cameras</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' ----------------------------------------</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' train | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:7d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' query | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:7d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' gallery | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:7d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' ----------------------------------------</span><span class="se">\n</span><span class="s1">'</span> \
|
|
<span class="s1">' items: images/tracklets for image/video dataset</span><span class="se">\n</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
|
|
<span class="n">num_train_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">),</span> <span class="n">num_train_cams</span><span class="p">,</span>
|
|
<span class="n">num_query_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">),</span> <span class="n">num_query_cams</span><span class="p">,</span>
|
|
<span class="n">num_gallery_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">),</span> <span class="n">num_gallery_cams</span>
|
|
<span class="p">)</span>
|
|
|
|
<span class="k">return</span> <span class="n">msg</span></div>
|
|
|
|
|
|
<div class="viewcode-block" id="ImageDataset"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.ImageDataset">[docs]</a><span class="k">class</span> <span class="nc">ImageDataset</span><span class="p">(</span><span class="n">Dataset</span><span class="p">):</span>
|
|
<span class="sd">"""A base class representing ImageDataset.</span>
|
|
|
|
<span class="sd"> All other image datasets should subclass it.</span>
|
|
|
|
<span class="sd"> ``__getitem__`` returns an image given index.</span>
|
|
<span class="sd"> It will return ``img``, ``pid``, ``camid`` and ``img_path``</span>
|
|
<span class="sd"> where ``img`` has shape (channel, height, width). As a result,</span>
|
|
<span class="sd"> data in each batch has shape (batch_size, channel, height, width).</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">train</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="n">gallery</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
|
|
<span class="nb">super</span><span class="p">(</span><span class="n">ImageDataset</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">train</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="n">gallery</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
|
|
|
|
<span class="k">def</span> <span class="nf">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">index</span><span class="p">):</span>
|
|
<span class="n">img_path</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">[</span><span class="n">index</span><span class="p">]</span>
|
|
<span class="n">img</span> <span class="o">=</span> <span class="n">read_image</span><span class="p">(</span><span class="n">img_path</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">transform</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
|
<span class="n">img</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="n">img</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span><span class="p">,</span> <span class="n">img_path</span>
|
|
|
|
<div class="viewcode-block" id="ImageDataset.show_summary"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.ImageDataset.show_summary">[docs]</a> <span class="k">def</span> <span class="nf">show_summary</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="n">num_train_pids</span><span class="p">,</span> <span class="n">num_train_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
|
|
<span class="n">num_query_pids</span><span class="p">,</span> <span class="n">num_query_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">)</span>
|
|
<span class="n">num_gallery_pids</span><span class="p">,</span> <span class="n">num_gallery_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">)</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">'=> Loaded </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">))</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' ----------------------------------------'</span><span class="p">)</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' subset | # ids | # images | # cameras'</span><span class="p">)</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' ----------------------------------------'</span><span class="p">)</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' train | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:8d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_train_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">),</span> <span class="n">num_train_cams</span><span class="p">))</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' query | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:8d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_query_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">),</span> <span class="n">num_query_cams</span><span class="p">))</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' gallery | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:8d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_gallery_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">),</span> <span class="n">num_gallery_cams</span><span class="p">))</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">' ----------------------------------------'</span><span class="p">)</span></div></div>
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<div class="viewcode-block" id="VideoDataset"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.VideoDataset">[docs]</a><span class="k">class</span> <span class="nc">VideoDataset</span><span class="p">(</span><span class="n">Dataset</span><span class="p">):</span>
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<span class="sd">"""A base class representing VideoDataset.</span>
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<span class="sd"> All other video datasets should subclass it.</span>
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<span class="sd"> ``__getitem__`` returns an image given index.</span>
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<span class="sd"> It will return ``imgs``, ``pid`` and ``camid``</span>
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<span class="sd"> where ``imgs`` has shape (seq_len, channel, height, width). As a result,</span>
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<span class="sd"> data in each batch has shape (batch_size, seq_len, channel, height, width).</span>
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<span class="sd"> """</span>
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<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">train</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="n">gallery</span><span class="p">,</span> <span class="n">seq_len</span><span class="o">=</span><span class="mi">15</span><span class="p">,</span> <span class="n">sample_method</span><span class="o">=</span><span class="s1">'evenly'</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
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<span class="nb">super</span><span class="p">(</span><span class="n">VideoDataset</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">train</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="n">gallery</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span> <span class="o">=</span> <span class="n">seq_len</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">sample_method</span> <span class="o">=</span> <span class="n">sample_method</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">transform</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
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<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s1">'transform must not be None'</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">index</span><span class="p">):</span>
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<span class="n">img_paths</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">[</span><span class="n">index</span><span class="p">]</span>
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<span class="n">num_imgs</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">img_paths</span><span class="p">)</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">sample_method</span> <span class="o">==</span> <span class="s1">'random'</span><span class="p">:</span>
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<span class="c1"># Randomly samples seq_len images from a tracklet of length num_imgs,</span>
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<span class="c1"># if num_imgs is smaller than seq_len, then replicates images</span>
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<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="n">num_imgs</span><span class="p">)</span>
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<span class="n">replace</span> <span class="o">=</span> <span class="kc">False</span> <span class="k">if</span> <span class="n">num_imgs</span><span class="o">>=</span><span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span> <span class="k">else</span> <span class="kc">True</span>
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<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">choice</span><span class="p">(</span><span class="n">indices</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="n">replace</span><span class="p">)</span>
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<span class="c1"># sort indices to keep temporal order (comment it to be order-agnostic)</span>
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|
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">indices</span><span class="p">)</span>
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<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">sample_method</span> <span class="o">==</span> <span class="s1">'evenly'</span><span class="p">:</span>
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|
<span class="c1"># Evenly samples seq_len images from a tracklet</span>
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|
<span class="k">if</span> <span class="n">num_imgs</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span><span class="p">:</span>
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|
<span class="n">num_imgs</span> <span class="o">-=</span> <span class="n">num_imgs</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span>
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|
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">num_imgs</span><span class="p">,</span> <span class="n">num_imgs</span><span class="o">/</span><span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span><span class="p">)</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="c1"># if num_imgs is smaller than seq_len, simply replicate the last image</span>
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|
<span class="c1"># until the seq_len requirement is satisfied</span>
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|
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">num_imgs</span><span class="p">)</span>
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<span class="n">num_pads</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span> <span class="o">-</span> <span class="n">num_imgs</span>
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|
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">concatenate</span><span class="p">([</span><span class="n">indices</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="n">num_pads</span><span class="p">)</span><span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span><span class="o">*</span><span class="p">(</span><span class="n">num_imgs</span><span class="o">-</span><span class="mi">1</span><span class="p">)])</span>
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|
<span class="k">assert</span> <span class="nb">len</span><span class="p">(</span><span class="n">indices</span><span class="p">)</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span>
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<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">sample_method</span> <span class="o">==</span> <span class="s1">'all'</span><span class="p">:</span>
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|
<span class="c1"># Samples all images in a tracklet. batch_size must be set to 1</span>
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|
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="n">num_imgs</span><span class="p">)</span>
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<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s1">'Unknown sample method: </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sample_method</span><span class="p">))</span>
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<span class="n">imgs</span> <span class="o">=</span> <span class="p">[]</span>
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|
<span class="k">for</span> <span class="n">index</span> <span class="ow">in</span> <span class="n">indices</span><span class="p">:</span>
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|
<span class="n">img_path</span> <span class="o">=</span> <span class="n">img_paths</span><span class="p">[</span><span class="nb">int</span><span class="p">(</span><span class="n">index</span><span class="p">)]</span>
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|
<span class="n">img</span> <span class="o">=</span> <span class="n">read_image</span><span class="p">(</span><span class="n">img_path</span><span class="p">)</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">transform</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
|
<span class="n">img</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
|
|
<span class="n">img</span> <span class="o">=</span> <span class="n">img</span><span class="o">.</span><span class="n">unsqueeze</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="c1"># img must be torch.Tensor</span>
|
|
<span class="n">imgs</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">img</span><span class="p">)</span>
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<span class="n">imgs</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">cat</span><span class="p">(</span><span class="n">imgs</span><span class="p">,</span> <span class="n">dim</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">imgs</span><span class="p">,</span> <span class="n">pid</span><span class="p">,</span> <span class="n">camid</span>
|
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<div class="viewcode-block" id="VideoDataset.show_summary"><a class="viewcode-back" href="../../../../pkg/data.html#torchreid.data.datasets.dataset.VideoDataset.show_summary">[docs]</a> <span class="k">def</span> <span class="nf">show_summary</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
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<span class="n">num_train_pids</span><span class="p">,</span> <span class="n">num_train_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">)</span>
|
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<span class="n">num_query_pids</span><span class="p">,</span> <span class="n">num_query_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">)</span>
|
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<span class="n">num_gallery_pids</span><span class="p">,</span> <span class="n">num_gallery_cams</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_data</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">)</span>
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<span class="nb">print</span><span class="p">(</span><span class="s1">'=> Loaded </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">))</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' -------------------------------------------'</span><span class="p">)</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' subset | # ids | # tracklets | # cameras'</span><span class="p">)</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' -------------------------------------------'</span><span class="p">)</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' train | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:11d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_train_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">),</span> <span class="n">num_train_cams</span><span class="p">))</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' query | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:11d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_query_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">query</span><span class="p">),</span> <span class="n">num_query_cams</span><span class="p">))</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' gallery | </span><span class="si">{:5d}</span><span class="s1"> | </span><span class="si">{:11d}</span><span class="s1"> | </span><span class="si">{:9d}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">num_gallery_pids</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gallery</span><span class="p">),</span> <span class="n">num_gallery_cams</span><span class="p">))</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s1">' -------------------------------------------'</span><span class="p">)</span></div></div>
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</pre></div>
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