Refactoring to use "is_win"

virtualenv.py

@@ -619,7 +619,7 @@ def install_pip(py_executable, search_dirs=None, never_download=False):
     else:
         filename = filenames[-1]
     easy_install_script = 'easy_install'
-    if sys.platform == 'win32':
+    if is_win:
         easy_install_script = 'easy_install-script.py'
     # There's two subtle issues here when invoking easy_install.
     # 1. On unix-like systems the easy_install script can *only* be executed
@@ -1060,7 +1060,7 @@ def path_locations(home_dir):
     where scripts go, etc)"""
     # XXX: We'd use distutils.sysconfig.get_python_inc/lib but its
     # prefix arg is broken: http://bugs.python.org/issue3386
-    if sys.platform == 'win32':
+    if is_win:
         # Windows has lots of problems with executables with spaces in
         # the name; this function will remove them (using the ~1
         # format):
@@ -1177,7 +1177,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
     mkdir(lib_dir)
     fix_lib64(lib_dir)
     stdlib_dirs = [os.path.dirname(os.__file__)]
-    if sys.platform == 'win32':
+    if is_win:
         stdlib_dirs.append(join(os.path.dirname(stdlib_dirs[0]), 'DLLs'))
     elif sys.platform == 'darwin':
         stdlib_dirs.append(join(stdlib_dirs[0], 'site-packages'))
@@ -1229,7 +1229,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
 
     # pypy never uses exec_prefix, just ignore it
     if sys.exec_prefix != prefix and not is_pypy:
-        if sys.platform == 'win32':
+        if is_win:
             exec_dir = join(sys.exec_prefix, 'lib')
         elif is_jython:
             exec_dir = join(sys.exec_prefix, 'Lib')
@@ -1284,7 +1284,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
             logger.info('Executable actually exists in %s' % executable)
         shutil.copyfile(executable, py_executable)
         make_exe(py_executable)
-        if sys.platform == 'win32' or sys.platform == 'cygwin':
+        if is_win or sys.platform == 'cygwin':
             pythonw = os.path.join(os.path.dirname(sys.executable), 'pythonw.exe')
             if os.path.exists(pythonw):
                 logger.info('Also created pythonw.exe')
@@ -1323,7 +1323,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
             logger.info('Also created executable %s' % python_executable)
             copyfile(py_executable, python_executable)
 
-            if sys.platform == 'win32':
+            if is_win:
                 for name in 'libexpat.dll', 'libpypy.dll', 'libpypy-c.dll', 'libeay32.dll', 'ssleay32.dll', 'sqlite.dll':
                     src = join(prefix, name)
                     if os.path.exists(src):
@@ -1406,7 +1406,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
                 os.unlink(pth)
             os.symlink(os.path.basename(py_executable), pth)
 
-    if sys.platform == 'win32' and ' ' in py_executable:
+    if is_win and ' ' in py_executable:
         # There's a bug with subprocess on Windows when using a first
         # argument that has a space in it.  Instead we have to quote
         # the value:
@@ -1440,7 +1440,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
             % (proc_stdout, norm_home_dir))
         logger.fatal(
             'ERROR: virtualenv is not compatible with this system or executable')
-        if sys.platform == 'win32':
+        if is_win:
             logger.fatal(
                 'Note: some Windows users have reported this error when they '
                 'installed Python for "Only this user" or have multiple '
@@ -1464,7 +1464,7 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
 
 def install_activate(home_dir, bin_dir, prompt=None):
     home_dir = os.path.abspath(home_dir)
-    if sys.platform == 'win32' or is_jython and os._name == 'nt':
+    if is_win or is_jython and os._name == 'nt':
         files = {
             'activate.bat': ACTIVATE_BAT,
             'deactivate.bat': DEACTIVATE_BAT,
@@ -1598,7 +1598,7 @@ def fixup_scripts(home_dir):
     # This is what we'll put:
     new_shebang = '#!/usr/bin/env python%s' % sys.version[:3]
     activate = "import os; activate_this=os.path.join(os.path.dirname(os.path.realpath(__file__)), 'activate_this.py'); execfile(activate_this, dict(__file__=activate_this)); del os, activate_this"
-    if sys.platform == 'win32':
+    if is_win:
         bin_suffix = 'Scripts'
     else:
         bin_suffix = 'bin'