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"""
Generic functions that should be reusable anywhere in pokemontools.
"""
import os
def index(seq, f):
"""
return the index of the first item in seq
where f(item) == True.
"""
return next((i for i in xrange(len(seq)) if f(seq[i])), None)
def grouper(some_list, count=2):
"""
splits a list into sublists
given: [1, 2, 3, 4]
returns: [[1, 2], [3, 4]]
"""
return [some_list[i:i+count] for i in range(0, len(some_list), count)]
def flattener(x):
"""
flattens a list of sublists into just one list (generator)
"""
try:
it = iter(x)
except TypeError:
yield x
else:
for i in it:
for j in flattener(i):
yield j
def flatten(x):
"""
flattens a list of sublists into just one list
"""
return list(flattener(x))
def mkdir_p(path):
"""
Make a directory at a given path.
"""
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST:
pass
else:
raise exc
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