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class="bodywrapper"> <div class="body"> <h1>Source code for Bcfg2.Compat</h1><div class="highlight"><pre> <span class="sd">""" Compatibility imports, mostly for Py3k support, but also for</span> <span class="sd">Python 2.4 and such-like """</span> <span class="c">###################################################</span> <span class="c"># #</span> <span class="c"># IF YOU ADD SOMETHING TO THIS FILE, YOU MUST #</span> <span class="c"># DOCUMENT IT IN docs/development/compat.txt #</span> <span class="c"># #</span> <span class="c">###################################################</span> <span class="kn">import</span> <span class="nn">sys</span> <span class="c"># pylint: disable=E0611,W0611,W0622,C0103</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">email.Utils</span> <span class="kn">import</span> <span class="n">formatdate</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">email.utils</span> <span class="kn">import</span> <span class="n">formatdate</span> <span class="c"># urllib imports</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">urlparse</span> <span class="kn">import</span> <span class="n">urljoin</span><span class="p">,</span> <span class="n">urlparse</span> <span class="kn">from</span> <span class="nn">urllib2</span> <span class="kn">import</span> <span class="n">HTTPBasicAuthHandler</span><span class="p">,</span> \ <span class="n">HTTPPasswordMgrWithDefaultRealm</span><span class="p">,</span> <span class="n">build_opener</span><span class="p">,</span> <span class="n">install_opener</span><span class="p">,</span> \ <span class="n">urlopen</span><span class="p">,</span> <span class="n">HTTPError</span><span class="p">,</span> <span class="n">URLError</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">urllib.parse</span> <span class="kn">import</span> <span class="n">urljoin</span><span class="p">,</span> <span class="n">urlparse</span> <span class="kn">from</span> <span class="nn">urllib.request</span> <span class="kn">import</span> <span class="n">HTTPBasicAuthHandler</span><span class="p">,</span> \ <span class="n">HTTPPasswordMgrWithDefaultRealm</span><span class="p">,</span> <span class="n">build_opener</span><span class="p">,</span> <span class="n">install_opener</span><span class="p">,</span> <span class="n">urlopen</span> <span class="kn">from</span> <span class="nn">urllib.error</span> <span class="kn">import</span> <span class="n">HTTPError</span><span class="p">,</span> <span class="n">URLError</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">cStringIO</span> <span class="kn">import</span> <span class="n">StringIO</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">io</span> <span class="kn">import</span> <span class="n">StringIO</span> <span class="k">try</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">ConfigParser</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">configparser</span> <span class="kn">as</span> <span class="nn">ConfigParser</span> <span class="k">try</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">cPickle</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">pickle</span> <span class="kn">as</span> <span class="nn">cPickle</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">Queue</span> <span class="kn">import</span> <span class="n">Queue</span><span class="p">,</span> <span class="n">Empty</span><span class="p">,</span> <span class="n">Full</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">queue</span> <span class="kn">import</span> <span class="n">Queue</span><span class="p">,</span> <span class="n">Empty</span><span class="p">,</span> <span class="n">Full</span> <span class="c"># xmlrpc imports</span> <span class="k">try</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">xmlrpclib</span><span class="o">,</span> <span class="nn">SimpleXMLRPCServer</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">xmlrpc.client</span> <span class="kn">as</span> <span class="nn">xmlrpclib</span> <span class="kn">import</span> <span class="nn">xmlrpc.server</span> <span class="kn">as</span> <span class="nn">SimpleXMLRPCServer</span> <span class="c"># socketserver import</span> <span class="k">try</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">SocketServer</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">socketserver</span> <span class="kn">as</span> <span class="nn">SocketServer</span> <span class="c"># httplib imports</span> <span class="k">try</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">httplib</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">http.client</span> <span class="kn">as</span> <span class="nn">httplib</span> <span class="k">try</span><span class="p">:</span> <span class="nb">unicode</span> <span class="o">=</span> <span class="nb">unicode</span> <span class="k">except</span> <span class="ne">NameError</span><span class="p">:</span> <span class="nb">unicode</span> <span class="o">=</span> <span class="nb">str</span> <div class="viewcode-block" id="u_str"><a class="viewcode-back" href="../../development/compat.html#Bcfg2.Compat.u_str">[docs]</a><span class="k">def</span> <span class="nf">u_str</span><span class="p">(</span><span class="n">string</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span> <span class="sd">""" print to file compatibility """</span> <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">hexversion</span> <span class="o">>=</span> <span class="mh">0x03000000</span><span class="p">:</span> <span class="k">if</span> <span class="n">encoding</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="k">return</span> <span class="n">string</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="n">encoding</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="k">return</span> <span class="n">string</span> <span class="k">else</span><span class="p">:</span> <span class="k">if</span> <span class="n">encoding</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="k">return</span> <span class="nb">unicode</span><span class="p">(</span><span class="n">string</span><span class="p">,</span> <span class="n">encoding</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="k">return</span> <span class="nb">unicode</span><span class="p">(</span><span class="n">string</span><span class="p">)</span> <span class="c"># base64 compat</span></div> <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">hexversion</span> <span class="o">>=</span> <span class="mh">0x03000000</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">base64</span> <span class="kn">import</span> <span class="n">b64encode</span> <span class="k">as</span> <span class="n">_b64encode</span><span class="p">,</span> <span class="n">b64decode</span> <span class="k">as</span> <span class="n">_b64decode</span> <span class="n">b64encode</span> <span class="o">=</span> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="n">_b64encode</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s">'UTF-8'</span><span class="p">))</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s">'UTF-8'</span><span class="p">)</span> <span class="n">b64decode</span> <span class="o">=</span> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="n">_b64decode</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s">'UTF-8'</span><span class="p">))</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s">'UTF-8'</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">base64</span> <span class="kn">import</span> <span class="n">b64encode</span><span class="p">,</span> <span class="n">b64decode</span> <span class="k">try</span><span class="p">:</span> <span class="nb">input</span> <span class="o">=</span> <span class="nb">raw_input</span> <span class="k">except</span> <span class="ne">NameError</span><span class="p">:</span> <span class="nb">input</span> <span class="o">=</span> <span class="nb">input</span> <span class="k">try</span><span class="p">:</span> <span class="nb">reduce</span> <span class="o">=</span> <span class="nb">reduce</span> <span class="k">except</span> <span class="ne">NameError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">functools</span> <span class="kn">import</span> <span class="nb">reduce</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">collections</span> <span class="kn">import</span> <span class="n">MutableMapping</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">UserDict</span> <span class="kn">import</span> <span class="n">DictMixin</span> <span class="k">as</span> <span class="n">MutableMapping</span> <div class="viewcode-block" id="CmpMixin"><a class="viewcode-back" href="../../development/compat.html#Bcfg2.Compat.CmpMixin">[docs]</a><span class="k">class</span> <span class="nc">CmpMixin</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> <span class="sd">""" In Py3K, :meth:`object.__cmp__` is no longer magical, so this</span> <span class="sd"> mixin can be used to define the rich comparison operators from</span> <span class="sd"> ``__cmp__`` -- i.e., it makes ``__cmp__`` magical again. """</span> <span class="k">def</span> <span class="nf">__lt__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__cmp__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="o"><</span> <span class="mi">0</span> <span class="k">def</span> <span class="nf">__gt__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__cmp__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span> <span class="k">def</span> <span class="nf">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__cmp__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">def</span> <span class="nf">__ne__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span> <span class="k">return</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">__eq__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="k">def</span> <span class="nf">__ge__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__gt__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">__eq__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="k">def</span> <span class="nf">__le__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__lt__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">__eq__</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> </div> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">pkgutil</span> <span class="kn">import</span> <span class="n">walk_packages</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">pkgutil</span> <span class="kn">import</span> <span class="n">iter_modules</span> <span class="c"># iter_modules was added in python 2.5; use it to get an exact</span> <span class="c"># re-implementation of walk_packages if possible</span> <span class="k">def</span> <span class="nf">walk_packages</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s">''</span><span class="p">,</span> <span class="n">onerror</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span> <span class="sd">""" Implementation of walk_packages for python 2.5 """</span> <span class="k">def</span> <span class="nf">seen</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">seenpaths</span><span class="o">=</span><span class="p">{}):</span> <span class="c"># pylint: disable=W0102</span> <span class="sd">""" detect if a path has been 'seen' (i.e., considered</span> <span class="sd"> for inclusion in the generator). tracks what has been</span> <span class="sd"> seen through the magic of python default arguments """</span> <span class="k">if</span> <span class="n">path</span> <span class="ow">in</span> <span class="n">seenpaths</span><span class="p">:</span> <span class="k">return</span> <span class="bp">True</span> <span class="n">seenpaths</span><span class="p">[</span><span class="n">path</span><span class="p">]</span> <span class="o">=</span> <span class="bp">True</span> <span class="k">for</span> <span class="n">importer</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ispkg</span> <span class="ow">in</span> <span class="n">iter_modules</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">prefix</span><span class="p">):</span> <span class="k">yield</span> <span class="n">importer</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ispkg</span> <span class="k">if</span> <span class="n">ispkg</span><span class="p">:</span> <span class="k">try</span><span class="p">:</span> <span class="nb">__import__</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="k">if</span> <span class="n">onerror</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="n">onerror</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span> <span class="k">if</span> <span class="n">onerror</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="n">onerror</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="k">raise</span> <span class="k">else</span><span class="p">:</span> <span class="n">path</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">modules</span><span class="p">[</span><span class="n">name</span><span class="p">],</span> <span class="s">'__path__'</span><span class="p">,</span> <span class="p">[])</span> <span class="c"># don't traverse path items we've seen before</span> <span class="n">path</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">path</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">seen</span><span class="p">(</span><span class="n">p</span><span class="p">)]</span> <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="n">walk_packages</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">name</span> <span class="o">+</span> <span class="s">'.'</span><span class="p">,</span> <span class="n">onerror</span><span class="p">):</span> <span class="k">yield</span> <span class="n">item</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">os</span> <span class="k">def</span> <span class="nf">walk_packages</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s">''</span><span class="p">,</span> <span class="n">onerror</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span> <span class="sd">""" Imperfect, incomplete implementation of</span> <span class="sd"> :func:`pkgutil.walk_packages` for python 2.4. Differences:</span> <span class="sd"> * Requires a full path, not a path relative to something</span> <span class="sd"> in sys.path. Anywhere we care about that shouldn't be</span> <span class="sd"> an issue.</span> <span class="sd"> * The first element of each tuple is None instead of an</span> <span class="sd"> importer object.</span> <span class="sd"> """</span> <span class="k">if</span> <span class="n">path</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span> <span class="n">path</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">path</span> <span class="k">for</span> <span class="n">mpath</span> <span class="ow">in</span> <span class="n">path</span><span class="p">:</span> <span class="k">for</span> <span class="n">fname</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">mpath</span><span class="p">):</span> <span class="n">fpath</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">mpath</span><span class="p">,</span> <span class="n">fname</span><span class="p">)</span> <span class="k">if</span> <span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isfile</span><span class="p">(</span><span class="n">fpath</span><span class="p">)</span> <span class="ow">and</span> <span class="n">fname</span><span class="o">.</span><span class="n">endswith</span><span class="p">(</span><span class="s">".py"</span><span class="p">)</span> <span class="ow">and</span> <span class="n">fname</span> <span class="o">!=</span> <span class="s">'__init__.py'</span><span class="p">):</span> <span class="k">yield</span> <span class="bp">None</span><span class="p">,</span> <span class="n">prefix</span> <span class="o">+</span> <span class="n">fname</span><span class="p">[:</span><span class="o">-</span><span class="mi">3</span><span class="p">],</span> <span class="bp">False</span> <span class="k">elif</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">fpath</span><span class="p">):</span> <span class="n">mname</span> <span class="o">=</span> <span class="n">prefix</span> <span class="o">+</span> <span class="n">fname</span> <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">fpath</span><span class="p">,</span> <span class="s">"__init__.py"</span><span class="p">)):</span> <span class="k">yield</span> <span class="bp">None</span><span class="p">,</span> <span class="n">mname</span><span class="p">,</span> <span class="bp">True</span> <span class="k">try</span><span class="p">:</span> <span class="nb">__import__</span><span class="p">(</span><span class="n">mname</span><span class="p">)</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="k">if</span> <span class="n">onerror</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="n">onerror</span><span class="p">(</span><span class="n">mname</span><span class="p">)</span> <span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span> <span class="k">if</span> <span class="n">onerror</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="n">onerror</span><span class="p">(</span><span class="n">mname</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="k">raise</span> <span class="k">else</span><span class="p">:</span> <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="n">walk_packages</span><span class="p">([</span><span class="n">fpath</span><span class="p">],</span> <span class="n">prefix</span><span class="o">=</span><span class="n">mname</span> <span class="o">+</span> <span class="s">'.'</span><span class="p">,</span> <span class="n">onerror</span><span class="o">=</span><span class="n">onerror</span><span class="p">):</span> <span class="k">yield</span> <span class="n">item</span> <span class="k">try</span><span class="p">:</span> <span class="nb">all</span> <span class="o">=</span> <span class="nb">all</span> <span class="nb">any</span> <span class="o">=</span> <span class="nb">any</span> <span class="k">except</span> <span class="ne">NameError</span><span class="p">:</span> <span class="k">def</span> <span class="nf">all</span><span class="p">(</span><span class="n">iterable</span><span class="p">):</span> <span class="sd">""" implementation of builtin all() for python 2.4 """</span> <span class="k">for</span> <span class="n">element</span> <span class="ow">in</span> <span class="n">iterable</span><span class="p">:</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">element</span><span class="p">:</span> <span class="k">return</span> <span class="bp">False</span> <span class="k">return</span> <span class="bp">True</span> <span class="k">def</span> <span class="nf">any</span><span class="p">(</span><span class="n">iterable</span><span class="p">):</span> <span class="sd">""" implementation of builtin any() for python 2.4 """</span> <span class="k">for</span> <span class="n">element</span> <span class="ow">in</span> <span class="n">iterable</span><span class="p">:</span> <span class="k">if</span> <span class="n">element</span><span class="p">:</span> <span class="k">return</span> <span class="bp">True</span> <span class="k">return</span> <span class="bp">False</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">hashlib</span> <span class="kn">import</span> <span class="n">md5</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">md5</span> <span class="kn">import</span> <span class="n">md5</span> <span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">functools</span> <span class="kn">import</span> <span class="n">wraps</span> <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="k">def</span> <span class="nf">wraps</span><span class="p">(</span><span class="n">wrapped</span><span class="p">):</span> <span class="c"># pylint: disable=W0613</span> <span class="sd">""" implementation of functools.wraps() for python 2.4 """</span> <span class="k">return</span> <span class="k">lambda</span> <span class="n">f</span><span class="p">:</span> <span class="n">f</span> <div class="viewcode-block" id="oct_mode"><a class="viewcode-back" href="../../development/compat.html#Bcfg2.Compat.oct_mode">[docs]</a><span class="k">def</span> <span class="nf">oct_mode</span><span class="p">(</span><span class="n">mode</span><span class="p">):</span> <span class="sd">""" Convert a decimal number describing a POSIX permissions mode</span> <span class="sd"> to a string giving the octal mode. In Python 2, this is a synonym</span> <span class="sd"> for :func:`oct`, but in Python 3 the octal format has changed to</span> <span class="sd"> ``0o000``, which cannot be used as an octal permissions mode, so</span> <span class="sd"> we need to strip the 'o' from the output. I.e., this function</span> <span class="sd"> acts like the Python 2 :func:`oct` regardless of what version of</span> <span class="sd"> Python is in use.</span> <span class="sd"> :param mode: The decimal mode to convert to octal</span> <span class="sd"> :type mode: int</span> <span class="sd"> :returns: string """</span> <span class="k">return</span> <span class="nb">oct</span><span class="p">(</span><span class="n">mode</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">'o'</span><span class="p">,</span> <span class="s">''</span><span class="p">)</span> </div> <span class="k">try</span><span class="p">:</span> <span class="nb">long</span> <span class="o">=</span> <span class="nb">long</span> <span class="k">except</span> <span class="ne">NameError</span><span class="p">:</span> <span class="c"># longs are just ints in py3k</span> <span class="nb">long</span> <span class="o">=</span> <span class="nb">int</span> </pre></div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li><a href="../../index.html">home</a> | </li> <!--<li><a href="../../search.html">search</a> | </li>--> <li><a href="../../help/index.html">help</a> | </li> <li><a href="../../contents.html">documentation </a> »</li> <li><a href="../index.html" >Module code</a> »</li> </ul> </div> <div class="footer"> © Copyright 2009-2013, Narayan Desai. 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