Use gyp.common.EnsureDirExists() in more places.

pylib/gyp/generator/msvs.py

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import collections
 import copy
 import ntpath
 import os
 import posixpath
 import re
@@ skipping 923 matching lines @@
 def _GenerateMSVSProject(project, options, version, generator_flags):
   """Generates a .vcproj file.  It may create .rules and .user files too.
 
   Arguments:
     project: The project object we will generate the file for.
     options: Global options passed to the generator.
     version: The VisualStudioVersion object.
     generator_flags: dict of generator-specific flags.
   """
   spec = project.spec
-  vcproj_dir = os.path.dirname(project.path)
-  if vcproj_dir and not os.path.exists(vcproj_dir):
-    os.makedirs(vcproj_dir)
+  gyp.common.EnsureDirExists(project.path)
 
   platforms = _GetUniquePlatforms(spec)
   p = MSVSProject.Writer(project.path, version, spec['target_name'],
                          project.guid, platforms)
 
   # Get directory project file is in.
   project_dir = os.path.split(project.path)[0]
   gyp_path = _NormalizedSource(project.build_file)
   relative_path_of_gyp_file = gyp.common.RelativePath(gyp_path, project_dir)
 
@@ skipping 2132 matching lines @@
           break
       group.append(project_ref)
     references.append(group)
   return references
 
 
 def _GenerateMSBuildProject(project, options, version, generator_flags):
   spec = project.spec
   configurations = spec['configurations']
   project_dir, project_file_name = os.path.split(project.path)
-  msbuildproj_dir = os.path.dirname(project.path)
-  if msbuildproj_dir and not os.path.exists(msbuildproj_dir):
-    os.makedirs(msbuildproj_dir)
+  gyp.common.EnsureDirExists(project.path)
   # Prepare list of sources and excluded sources.
   gyp_path = _NormalizedSource(project.build_file)
   relative_path_of_gyp_file = gyp.common.RelativePath(gyp_path, project_dir)
 
   gyp_file = os.path.split(project.build_file)[1]
   sources, excluded_sources = _PrepareListOfSources(spec, generator_flags,
                                                     gyp_file)
   # Add rules.
   actions_to_add = {}
   props_files_of_rules = set()
@@ skipping 188 matching lines @@
   action_spec.extend(
       # TODO(jeanluc) 'Document' for all or just if as_sources?
       [['FileType', 'Document'],
        ['Command', command],
        ['Message', description],
        ['Outputs', outputs]
       ])
   if additional_inputs:
     action_spec.append(['AdditionalInputs', additional_inputs])
   actions_spec.append(action_spec)