IntervalIterator doesn't reset when instantiating from list of Intervals

[richardxia]

When a BedTool is instantiated from a list of intervals, it seems that you can only iterate over it once, including from any instance methods which happen to use the iterator.

Failing code:

import pybedtools
a = pybedtools.BedTool([pybedtools.Interval('chr1', 0, 1)])
print len(a)
print len(a)

The first print statement returns 1, while the second returns 0. This causes major problems if you want to use an instance method that relies on the iterator, such as field_count() and intersect().

System information

pybedtools: v0.6.2
OS X 10.8

[daler]

Thanks for reporting this, can you give de56a62 a try?

[richardxia]

Thanks, that looks like it fixed the issue.