removed several pre-2.7 methods and imports, including some basic refactorings

1 files changed, 4 insertions, 5 deletions

diff --git a/src/engine/SCons/Variables/PathVariable.py b/src/engine/SCons/Variables/PathVariable.py
index 951fc75..e615a53 100644
--- a/src/engine/SCons/Variables/PathVariable.py
+++ b/src/engine/SCons/Variables/PathVariable.py
@@ -2,7 +2,7 @@
 
 This file defines an option type for SCons implementing path settings.
 
-To be used whenever a a user-specified path override should be allowed.
+To be used whenever a user-specified path override should be allowed.
 
 Arguments to PathVariable are:
   option-name  = name of this option on the command line (e.g. "prefix")
@@ -22,7 +22,7 @@ Arguments to PathVariable are:
                  is valid.  The arguments to the validator function
                  are: (key, val, env).  The key is the name of the
                  option, the val is the path specified for the option,
-                 and the env is the env to which the Otions have been
+                 and the env is the env to which the Options have been
                  added.
 
 Usage example:
@@ -102,7 +102,7 @@ class _PathVariableClass(object):
             os.makedirs(val)
 
     def PathIsFile(self, key, val, env):
-        """validator to check if Path is a file"""
+        """Validator to check if Path is a file"""
         if not os.path.isfile(val):
             if os.path.isdir(val):
                 m = 'File path for option %s is a directory: %s'
@@ -111,13 +111,12 @@ class _PathVariableClass(object):
             raise SCons.Errors.UserError(m % (key, val))
 
     def PathExists(self, key, val, env):
-        """validator to check if Path exists"""
+        """Validator to check if Path exists"""
         if not os.path.exists(val):
             m = 'Path for option %s does not exist: %s'
             raise SCons.Errors.UserError(m % (key, val))
 
     def __call__(self, key, help, default, validator=None):
-        # NB: searchfunc is currenty undocumented and unsupported
         """
         The input parameters describe a 'path list' option, thus they
         are returned with the correct converter and validator appended. The