windows packaging fixes

Author: robhagemans

package.py

@@ -17,7 +17,7 @@
 from io import open
 
 # get setup.py parameters
-from setup import SETUP_OPTIONS, VERSION, new_command, wash
+from setup import SETUP_OPTIONS, VERSION, new_command, wash, NAME, AUTHOR, VERSION, COPYRIGHT
 
 
 # operating in cx_Freeze mode

pcbasic/compat/base.py

@@ -80,9 +80,14 @@ def split_quoted(line, split_by=u'\s', quote=u'"', strip_quotes=False):
 @contextlib.contextmanager
 def muffle(std_stream):
     """Suppress stdout or stderr messages."""
+    save = None
     try:
-        # save the file descriptor for the target stream
-        save = os.dup(std_stream.fileno())
+        try:
+            # save the file descriptor for the target stream
+            save = os.dup(std_stream.fileno())
+        except EnvironmentError:
+            yield
+            return
         # http://stackoverflow.com/questions/977840/
         # redirecting-fortran-called-via-f2py-output-in-python/978264#978264
         with open(os.devnull, 'w') as null:
@@ -96,4 +101,5 @@ def muffle(std_stream):
                 # restore file descriptors
                 os.dup2(save, std_stream.fileno())
     finally:
-        os.close(save)
+        if save is not None:
+            os.close(save)

pcbasic/guard.py

@@ -47,7 +47,7 @@ def protect(self, *args, **kwargs):
         COMMIT = check_output(
             ['git', 'describe', '--always'], cwd=os.path.dirname(__file__)
         ).strip().decode('ascii', 'ignore')
-    except CalledProcessError:
+    except (CalledProcessError, EnvironmentError):
         COMMIT = u'unknown'