practracker: add ability to regenerate exceptions file.

Also add a useful argument parser.

1 files changed, 4 insertions, 1 deletions

diff --git a/scripts/maint/practracker/problem.py b/scripts/maint/practracker/problem.py
index d5ebedd17f..c82c5db572 100644
--- a/scripts/maint/practracker/problem.py
+++ b/scripts/maint/practracker/problem.py
@@ -19,10 +19,13 @@ class ProblemVault(object):
     found in the code, and also the old problems we read from the exception
     file.
     """
-    def __init__(self, exception_fname):
+    def __init__(self, exception_fname=None):
         # Exception dictionary: { problem.key() : Problem object }
         self.exceptions = {}
 
+        if exception_fname == None:
+            return
+
         try:
             with open(exception_fname, 'r') as exception_f:
                 self.register_exceptions(exception_f)