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<h1>Source code for rosdep2</h1><div class="highlight"><pre>
<span class="c"># Copyright (c) 2009, Willow Garage, Inc.</span>
<span class="c"># All rights reserved.</span>
<span class="c"># </span>
<span class="c"># Redistribution and use in source and binary forms, with or without</span>
<span class="c"># modification, are permitted provided that the following conditions are met:</span>
<span class="c"># </span>
<span class="c"># * Redistributions of source code must retain the above copyright</span>
<span class="c"># notice, this list of conditions and the following disclaimer.</span>
<span class="c"># * Redistributions in binary form must reproduce the above copyright</span>
<span class="c"># notice, this list of conditions and the following disclaimer in the</span>
<span class="c"># documentation and/or other materials provided with the distribution.</span>
<span class="c"># * Neither the name of the Willow Garage, Inc. nor the names of its</span>
<span class="c"># contributors may be used to endorse or promote products derived from</span>
<span class="c"># this software without specific prior written permission.</span>
<span class="c"># </span>
<span class="c"># THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span>
<span class="c"># AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<span class="c"># IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<span class="c"># ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span>
<span class="c"># LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span>
<span class="c"># CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span>
<span class="c"># SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
<span class="c"># INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span>
<span class="c"># CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span>
<span class="c"># ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span>
<span class="c"># POSSIBILITY OF SUCH DAMAGE.</span>
<span class="c"># Author Tully Foote/tfoote@willowgarage.com, Ken Conley/kwc@willowgarage.com</span>
<span class="sd">"""</span>
<span class="sd">rosdep library and command-line tool</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">print_function</span>
<span class="kn">from</span> <span class="nn">._version</span> <span class="kn">import</span> <span class="n">__version__</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">from</span> <span class="nn">.installers</span> <span class="kn">import</span> <span class="n">InstallerContext</span><span class="p">,</span> <span class="n">Installer</span><span class="p">,</span> \
<span class="n">PackageManagerInstaller</span>
<span class="kn">from</span> <span class="nn">.core</span> <span class="kn">import</span> <span class="n">RosdepInternalError</span><span class="p">,</span> <span class="n">InstallFailed</span><span class="p">,</span> <span class="n">UnsupportedOs</span><span class="p">,</span> \
<span class="n">InvalidData</span><span class="p">,</span> <span class="n">DownloadFailure</span>
<span class="kn">from</span> <span class="nn">.model</span> <span class="kn">import</span> <span class="n">RosdepDatabase</span><span class="p">,</span> <span class="n">RosdepDatabaseEntry</span>
<span class="kn">from</span> <span class="nn">.lookup</span> <span class="kn">import</span> <span class="n">RosdepDefinition</span><span class="p">,</span> <span class="n">RosdepView</span><span class="p">,</span> <span class="n">RosdepLookup</span><span class="p">,</span> \
<span class="n">ResolutionError</span>
<span class="kn">from</span> <span class="nn">.loader</span> <span class="kn">import</span> <span class="n">RosdepLoader</span>
<span class="c"># don't let import error take down code as when attempting to compute version number</span>
<span class="k">try</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">.rospkg_loader</span> <span class="kn">import</span> <span class="n">RosPkgLoader</span>
<span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span>
<span class="k">print</span><span class="p">(</span><span class="s">"Cannot import rospkg, rosdep will not function properly"</span><span class="p">,</span>
<span class="nb">file</span><span class="o">=</span><span class="n">sys</span><span class="o">.</span><span class="n">stderr</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">create_default_installer_context</span><span class="p">(</span><span class="n">verbose</span><span class="o">=</span><span class="bp">False</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">arch</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">cygwin</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">debian</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">gentoo</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">opensuse</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">osx</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">pip</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">gem</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">redhat</span>
<span class="kn">from</span> <span class="nn">.platforms</span> <span class="kn">import</span> <span class="n">source</span>
<span class="n">platform_mods</span> <span class="o">=</span> <span class="p">[</span><span class="n">arch</span><span class="p">,</span> <span class="n">cygwin</span><span class="p">,</span> <span class="n">debian</span><span class="p">,</span> <span class="n">gentoo</span><span class="p">,</span> <span class="n">opensuse</span><span class="p">,</span> <span class="n">osx</span><span class="p">,</span> <span class="n">redhat</span><span class="p">]</span>
<span class="n">installer_mods</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="p">,</span> <span class="n">pip</span><span class="p">,</span> <span class="n">gem</span><span class="p">]</span> <span class="o">+</span> <span class="n">platform_mods</span>
<span class="n">context</span> <span class="o">=</span> <span class="n">InstallerContext</span><span class="p">()</span>
<span class="n">context</span><span class="o">.</span><span class="n">set_verbose</span><span class="p">(</span><span class="n">verbose</span><span class="p">)</span>
<span class="c"># setup installers</span>
<span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">installer_mods</span><span class="p">:</span>
<span class="k">if</span> <span class="n">verbose</span><span class="p">:</span>
<span class="k">print</span><span class="p">(</span><span class="s">"registering installers for </span><span class="si">%s</span><span class="s">"</span><span class="o">%</span><span class="p">(</span><span class="n">m</span><span class="o">.</span><span class="n">__name__</span><span class="p">))</span>
<span class="n">m</span><span class="o">.</span><span class="n">register_installers</span><span class="p">(</span><span class="n">context</span><span class="p">)</span>
<span class="c"># setup platforms</span>
<span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">platform_mods</span><span class="p">:</span>
<span class="k">if</span> <span class="n">verbose</span><span class="p">:</span>
<span class="k">print</span><span class="p">(</span><span class="s">"registering platforms for </span><span class="si">%s</span><span class="s">"</span><span class="o">%</span><span class="p">(</span><span class="n">m</span><span class="o">.</span><span class="n">__name__</span><span class="p">))</span>
<span class="n">m</span><span class="o">.</span><span class="n">register_platforms</span><span class="p">(</span><span class="n">context</span><span class="p">)</span>
<span class="k">return</span> <span class="n">context</span>
<span class="kn">from</span> <span class="nn">.</span> <span class="kn">import</span> <span class="n">gbpdistro_support</span>
<span class="n">gbpdistro_support</span><span class="o">.</span><span class="n">create_default_installer_context</span> <span class="o">=</span> <span class="n">create_default_installer_context</span>
<span class="c">#TODO: this was partially abstracted from main() for another library,</span>
<span class="c"># but it turned out to be unnecessary. Not sure it's worth maintaining</span>
<span class="c"># separately, especially in the top-level module.</span>
<span class="k">def</span> <span class="nf">get_default_installer</span><span class="p">(</span><span class="n">installer_context</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">verbose</span><span class="o">=</span><span class="bp">False</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Based on the active OS and installer context configuration, get</span>
<span class="sd"> the installer to use and the necessary configuration state</span>
<span class="sd"> (installer keys, OS name/version).</span>
<span class="sd"> </span>
<span class="sd"> :returns: installer, installer_keys, default_key, os_name, os_version. </span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">installer_context</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">installer_context</span> <span class="o">=</span> <span class="n">create_default_installer_context</span><span class="p">(</span><span class="n">verbose</span><span class="o">=</span><span class="n">verbose</span><span class="p">)</span>
<span class="n">os_name</span><span class="p">,</span> <span class="n">os_version</span> <span class="o">=</span> <span class="n">installer_context</span><span class="o">.</span><span class="n">get_os_name_and_version</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">installer_keys</span> <span class="o">=</span> <span class="n">installer_context</span><span class="o">.</span><span class="n">get_os_installer_keys</span><span class="p">(</span><span class="n">os_name</span><span class="p">)</span>
<span class="n">default_key</span> <span class="o">=</span> <span class="n">installer_context</span><span class="o">.</span><span class="n">get_default_os_installer_key</span><span class="p">(</span><span class="n">os_name</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">UnsupportedOs</span><span class="p">(</span><span class="n">os_name</span><span class="p">,</span> <span class="n">installer_context</span><span class="o">.</span><span class="n">get_os_keys</span><span class="p">())</span>
<span class="n">installer</span> <span class="o">=</span> <span class="n">installer_context</span><span class="o">.</span><span class="n">get_installer</span><span class="p">(</span><span class="n">default_key</span><span class="p">)</span>
<span class="k">return</span> <span class="n">installer</span><span class="p">,</span> <span class="n">installer_keys</span><span class="p">,</span> <span class="n">default_key</span><span class="p">,</span> <span class="n">os_name</span><span class="p">,</span> <span class="n">os_version</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s">'InstallerContext'</span><span class="p">,</span> <span class="s">'Installer'</span><span class="p">,</span> <span class="s">'PackageManagerInstaller'</span><span class="p">,</span>
<span class="s">'RosdepInternalError'</span><span class="p">,</span> <span class="s">'InstallFailed'</span><span class="p">,</span> <span class="s">'UnsupportedOs'</span><span class="p">,</span> <span class="s">'InvalidData'</span><span class="p">,</span>
<span class="s">'DownloadFailure'</span><span class="p">,</span>
<span class="s">'RosdepDatabase'</span><span class="p">,</span> <span class="s">'RosdepDatabaseEntry'</span><span class="p">,</span>
<span class="s">'RosdepDefinition'</span><span class="p">,</span> <span class="s">'RosdepView'</span><span class="p">,</span> <span class="s">'RosdepLookup'</span><span class="p">,</span> <span class="s">'ResolutionError'</span><span class="p">,</span>
<span class="s">'RosdepLoader'</span><span class="p">,</span> <span class="s">'RosPkgLoader'</span><span class="p">,</span>
<span class="s">'get_default_installer'</span><span class="p">,</span>
<span class="s">'create_default_installer_context'</span><span class="p">,</span>
<span class="p">]</span>
</pre></div>
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