Merge pull request #49 from swayf/chmod

chmod is introduced

plumbum/local_machine.py

@@ -167,6 +167,12 @@ def chown(self, owner=None, group=None, recursive = None):
             for subpath in self.walk():
                 os.chown(str(subpath), uid, gid)
 
+    @_setdoc(Path)
+    def chmod(self, mode):
+        if not hasattr(os, "chmod"):
+            raise OSError("os.chmod() not supported")
+        os.chmod(str(self), mode)
+
 
 class Workdir(LocalPath):
     """Working directory manipulator"""

plumbum/path.py

@@ -149,4 +149,10 @@ def chown(self, owner=None, group=None, recursive=None):
                           will default to ``True`` if ``self`` is a directory, ``False`` otherwise.
         """
         raise NotImplementedError()
+    def chmod(self, mode):
+        """Change the mode of path to the numeric mode.
+
+        :param mode: file mode as for os.chmod
+        """
+        raise NotImplementedError()
 

plumbum/remote_path.py

@@ -189,3 +189,8 @@ def chown(self, owner=None, group=None, recursive=None):
         args.append(shquote(self))
         self.remote._session.run(" ".join(args))
 
+    @_setdoc(Path)
+    def chmod(self, mode):
+        args = ["chmod", '%o' % mode, shquote(self)]
+        self.remote._session.run(" ".join(args))
+