#11945: Throw exception instead of printing error in c_graph.pyx
----------------------------+-----------------------------------------------
Reporter: kini | Owner: jason, ncohen, rlm
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.3
Component: graph theory | Keywords: cython exception cpdef print
c_graph
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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The following text currently occurs in
`$SAGE_ROOT/devel/sage/sage/graphs/base/c_graph.pyx`:
{{{
#!python
# The following is due to a hard to reproduce bug in Cython where
except,
# cpdef, and classes don't play well together:
print "Not Implemented!"
# raise NotImplementedError() ... results in:
# Exception exceptions.NotImplementedError: NotImplementedError()
in 'sage.graphs.base.c_graph.CGraph.has_arc' ignored
# False
}}}
These lines were written by Robert Miller in 2009. This ticket is just to
keep track of this, since it should eventually be done properly once the
Cython bug is gone.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11945>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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