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<meta name="description" content="#!python3 import winreg def latest_installed_program(software_name, search_64_first=True, first_call = True): """Try to find the latest installed version of a specified program on the system Args: software_name (string): name of the software to look for (3ds Max, Autodesk Maya etc.) search_64_first (int): where to check first, if you know it's …" />
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<meta property="og:description" content="#!python3 import winreg def latest_installed_program(software_name, search_64_first=True, first_call = True): """Try to find the latest installed version of a specified program on the system Args: software_name (string): name of the software to look for (3ds Max, Autodesk Maya etc.) search_64_first (int): where to check first, if you know it's …"/>
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<div class="highlight"><pre><span></span><code><span class="ch">#!python3</span>
<span class="kn">import</span> <span class="nn">winreg</span>
<span class="k">def</span> <span class="nf">latest_installed_program</span><span class="p">(</span><span class="n">software_name</span><span class="p">,</span> <span class="n">search_64_first</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">first_call</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span>
<span class="sd">"""Try to find the latest installed version of a specified program on the system</span>
<span class="sd"> Args:</span>
<span class="sd"> software_name (string): name of the software to look for (3ds Max, Autodesk Maya etc.)</span>
<span class="sd"> search_64_first (int): where to check first, if you know it's going to be winreg.KEY_WOW64_32KEY then put </span>
<span class="sd"> first_call (bool): Don't set this manually.</span>
<span class="sd"> Returns:</span>
<span class="sd"> dictionary: dictionary with the latest program info in it.</span>
<span class="sd"> Example usage:</span>
<span class="sd"> latest_installed_program("3ds Max", True )</span>
<span class="sd"> """</span>
<span class="n">win_flag</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">search_64_first</span><span class="p">:</span>
<span class="n">win_flag</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">KEY_WOW64_64KEY</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">win_flag</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">KEY_WOW64_32KEY</span>
<span class="n">hive</span><span class="o">=</span><span class="n">winreg</span><span class="o">.</span><span class="n">HKEY_LOCAL_MACHINE</span>
<span class="n">aReg</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">ConnectRegistry</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">hive</span><span class="p">)</span>
<span class="n">icons</span> <span class="o">=</span> <span class="sa">r</span><span class="s2">"HKEY_CLASSES_ROOT\Installer\Products</span><span class="se">\"</span><span class="s2">"</span>
<span class="n">aKey</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">OpenKey</span><span class="p">(</span><span class="n">aReg</span><span class="p">,</span> <span class="sa">r</span><span class="s2">"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"</span><span class="p">,</span>
<span class="mi">0</span><span class="p">,</span> <span class="n">winreg</span><span class="o">.</span><span class="n">KEY_READ</span> <span class="o">|</span> <span class="n">win_flag</span><span class="p">)</span>
<span class="n">count_subkey</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">QueryInfoKey</span><span class="p">(</span><span class="n">aKey</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="c1">#way to make it so we don't infinite loop</span>
<span class="n">latest_version</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">latest_version</span><span class="p">[</span><span class="s2">"version"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">count_subkey</span><span class="p">):</span>
<span class="n">software</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">asubkey_name</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">EnumKey</span><span class="p">(</span><span class="n">aKey</span><span class="p">,</span> <span class="n">i</span><span class="p">)</span>
<span class="n">asubkey</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">OpenKey</span><span class="p">(</span><span class="n">aKey</span><span class="p">,</span> <span class="n">asubkey_name</span><span class="p">)</span>
<span class="n">name</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">QueryValueEx</span><span class="p">(</span><span class="n">asubkey</span><span class="p">,</span> <span class="s2">"DisplayName"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">if</span> <span class="n">software_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">():</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'name'</span><span class="p">]</span> <span class="o">=</span> <span class="n">name</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'version'</span><span class="p">]</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">QueryValueEx</span><span class="p">(</span><span class="n">asubkey</span><span class="p">,</span> <span class="s2">"DisplayVersion"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">EnvironmentError</span><span class="p">:</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'version'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'undefined'</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'publisher'</span><span class="p">]</span> <span class="o">=</span> <span class="n">winreg</span><span class="o">.</span><span class="n">QueryValueEx</span><span class="p">(</span><span class="n">asubkey</span><span class="p">,</span> <span class="s2">"Publisher"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">EnvironmentError</span><span class="p">:</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'publisher'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'undefined'</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'path'</span><span class="p">]</span> <span class="o">=</span> <span class="s2">"</span><span class="si">{}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">winreg</span><span class="o">.</span><span class="n">QueryValueEx</span><span class="p">(</span><span class="n">asubkey</span><span class="p">,</span> <span class="s2">"InstallLocation"</span><span class="p">)[</span><span class="mi">0</span><span class="p">])</span>
<span class="k">except</span> <span class="ne">EnvironmentError</span><span class="p">:</span>
<span class="n">software</span><span class="p">[</span><span class="s1">'path'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'undefined'</span>
<span class="k">if</span> <span class="n">software</span><span class="p">[</span><span class="s2">"version"</span><span class="p">]</span> <span class="o">></span> <span class="nb">str</span><span class="p">(</span><span class="n">latest_version</span><span class="p">[</span><span class="s2">"version"</span><span class="p">])</span> <span class="ow">or</span> <span class="n">latest_version</span><span class="p">[</span><span class="s2">"version"</span><span class="p">]</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">latest_version</span> <span class="o">=</span> <span class="n">software</span>
<span class="k">except</span> <span class="ne">EnvironmentError</span><span class="p">:</span>
<span class="k">continue</span>
<span class="c1">#search the other flag</span>
<span class="k">if</span> <span class="n">search_64_first</span><span class="p">:</span>
<span class="n">search_64_first</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">search_64_first</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">if</span> <span class="n">first_call</span> <span class="ow">and</span> <span class="n">latest_version</span><span class="p">[</span><span class="s2">"version"</span><span class="p">]</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">latest_version</span> <span class="o">=</span> <span class="n">latest_installed_program</span><span class="p">(</span><span class="n">software_name</span><span class="p">,</span> <span class="n">search_64_first</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
<span class="k">return</span> <span class="n">latest_version</span>
<span class="n">latest_installed_program</span><span class="p">(</span><span class="s2">"Autodesk Maya"</span><span class="p">)</span>
<span class="n">latest_installed_program</span><span class="p">(</span><span class="s2">"3ds Max"</span><span class="p">)</span>
<span class="n">latest_installed_program</span><span class="p">(</span><span class="s2">"Photoshop"</span><span class="p">)</span>
<span class="sd">"""</span>
<span class="sd">returns</span>
<span class="sd">#3ds Max {'version': '20.4.0.4254', 'publisher': 'Autodesk', 'path': 'C:\\Program Files\\Autodesk\\3ds Max 2018\\', 'name': 'Autodesk 3ds Max 2018'}</span>
<span class="sd">Autodesk Maya {'version': '18.0.0.5870', 'publisher': 'Autodesk', 'path': 'D:\\Program Files\\Autodesk\\Maya2018\\', 'name': 'Autodesk Maya 2018'}</span>
<span class="sd">Photoshop {'version': '20.0.1', 'publisher': 'Adobe Systems Incorporated', 'path': 'C:\\Program Files\\Adobe\\Adobe Photoshop CC 2019', 'name': 'Adobe Photoshop CC 2019'}</span>
<span class="sd">"""</span>
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