Updates:
Status: Invalid
Comment #1 on issue 2533 by asmeurer: How to Capture raised SympifyError
and overwrite it
http://code.google.com/p/sympy/issues/detail?id=2533
Hi.
First off, please send questions to the mailing list
(http://groups.google.com/group/sympy), not the issue tracker. The issue
tracker is for reporting bugs and feature requests (don't worry, we'll tell
you on the mailing list if you've found a bug).
For your problem, you want to catch the exception using a try, except
block. Something like
try:
sympify(mystuff)
except SympifyError:
# The code raise SympifyError
else:
# The code did not raise SympifyError
Some notes on catching exceptions:
- You can catch multiple exceptions by doing "except (Exception1,
Exceptio2, etc.):".
- Don't do what is called a "bare except,", i.e., just write "except:"
without naming any specific expceptions, as this is considered bad
practice. This is because it will catch *all* exceptions, even ones that
you really should see (in other words, it will mask errors in the code).
- See http://docs.python.org/tutorial/errors.html for more information.
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