Jesus Cea wrote:
Recently we added "-Wd" flags to buildbots. I was wondering about the
effect of it. documentation doesn't help.
I could study the code, but I guess other people can have the very same
question and I think the answer should be in the archives, somewhere.
I studied the code ;)
-Wd enables all warnings. It adds 'd' to sys.warnoptions, which in turn
adds a new first entry to _warnings.filters which matches all warnings
and enables the "default" behavior, which is to show it once per
execution of the Python interpreter.
For example, if you run "python -Wd" on the current trunk (2.7) and
execute the statement "import bsddb" you get a PendingDeprecationWarning
exception. Without -Wd that warning would be suppressed.
Hope I didn't miss any important subtleties,
//larry//
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