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import pybedtools
fn = pybedtools.example_filename('a.bed')
def show_open_fds(func):
doc = func.__doc__
print()
print(doc)
print("." * len(doc))
orig_fds = pybedtools.helpers.n_open_fds()
obs = max(func(fn)) - orig_fds
assert obs == 0, obs
def func1(src):
"create bedtool in loop"
for i in range(10):
x = pybedtools.BedTool(src)
yield pybedtools.helpers.n_open_fds()
def func2(src):
'create bedtool in loop and check length'
for i in range(10):
x = pybedtools.BedTool(src)
len(x)
yield pybedtools.helpers.n_open_fds()
def func3(src):
'create bedtool outside of loop; check length inside'
x = pybedtools.BedTool(src)
for i in range(10):
len(x)
yield pybedtools.helpers.n_open_fds()
def func4(src):
'create and len in loop; don\'t assign to var'
for i in range(10):
len(pybedtools.BedTool(src))
yield pybedtools.helpers.n_open_fds()
def func0(src):
'check field count'
x = pybedtools.BedTool(src)
for i in range(10):
# since the test file is only 4 lines, set `n` to make sure we're
# not exhausting the iterator.
fc = x.field_count(n=2)
assert fc == 6
yield pybedtools.helpers.n_open_fds()
if __name__ == "__main__":
for k, v in sorted(locals().items()):
if k.startswith('func'):
show_open_fds(v)
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