[util] new helper funcs: is_py2exe and is_windows

couchapp/generator.py

@@ -12,7 +12,7 @@
 
 from couchapp.errors import AppError
 from couchapp import localdoc
-from couchapp.util import user_path, relpath
+from couchapp.util import is_py2exe, is_windows, relpath, user_path
 
 __all__ = ["generate_app", "generate_function", "generate"]
 
@@ -185,15 +185,15 @@ def copy_helper(path, directory, tname="templates"):
 
 def find_template_dir(name, directory=''):
     paths = ['%s' % name, os.path.join('..', name)]
-    if hasattr(sys, 'frozen'):  # py2exe
+    if is_py2exe():
         modpath = sys.executable
-    elif sys.platform == "win32" or os.name == "nt":
+    elif is_windows():
         modpath = os.path.join(sys.prefix, "Lib", "site-packages", "couchapp",
                                "templates")
     else:
         modpath = __file__
 
-    if sys.platform != "win32" and os.name != "nt":
+    if not is_windows():
         default_locations = [
             "/usr/share/couchapp/templates/%s" % directory,
             "/usr/local/share/couchapp/templates/%s" % directory,

couchapp/util.py

@@ -71,7 +71,16 @@ def import_module(name, package=None):
         __import__(name)
         return sys.modules[name]
 
-if os.name == 'nt':
+
+def is_windows():
+    return sys.platform == 'win32' or os.name == 'nt'
+
+
+def is_py2exe():
+    return is_windows() and hasattr(sys, 'frozen')
+
+
+if is_windows():
     from win32com.shell import shell, shellcon
 
     def user_rcpath():