Improve Windows reserved name check by adding to pathclass.

voussoirkit/downloady.py

@@ -27,9 +27,10 @@ CHUNKSIZE = 4 * bytestring.KIBIBYTE
 TIMEOUT = 60
 TEMP_EXTENSION = '.downloadytemp'
 
-SPECIAL_FILENAMES = [os.devnull]
 if os.name == 'nt':
-    SPECIAL_FILENAMES.append('con')
+    SPECIAL_FILENAMES = pathclass.WINDOWS_RESERVED_NAMES
+else:
+    SPECIAL_FILENAMES = [os.devnull]
 SPECIAL_FILENAMES = [os.path.normcase(x) for x in SPECIAL_FILENAMES]
 
 class DownloadyException(Exception):

voussoirkit/pathclass.py

@@ -4,7 +4,16 @@ import re
 
 from voussoirkit import winglob
 
-WINDOWS_BADCHARS = {'\\', '/', ':', '*', '?', '<', '>', '|', '"'}
+WINDOWS_GLOBAL_BADCHARS = {'*', '?', '<', '>', '|', '"'}
+WINDOWS_BASENAME_BADCHARS = {'\\', '/', ':', '*', '?', '<', '>', '|', '"'}
+WINDOWS_RESERVED_NAMES = {
+    'AUX',
+    'COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9',
+    'CON',
+    'LPT1', 'LPT2', 'LPT3', 'LPT4', 'LPT5', 'LPT6', 'LPT7', 'LPT8', 'LPT9',
+    'NUL',
+    'PRN',
+}
 
 class PathclassException(Exception):
     pass