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Fix to handle recent netcdf4-python iterator changes #291

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Fix to handle recent netcdf4-python iterator changes #291

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3616f0f
fix for netCDF4 v1.7.3 iterator changes
kafitzgerald Oct 21, 2025
72017e5
oops update the check to work for the older version of netcdf4
kafitzgerald Oct 22, 2025
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10 changes: 9 additions & 1 deletion src/wrf/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
from types import GeneratorType
import datetime as dt
from inspect import getmodule
from netCDF4 import Dataset

try:
from inspect import signature
Expand Down Expand Up @@ -134,7 +135,14 @@ def is_multi_file(wrfin):
is a single NetCDF file object.

"""
return (isinstance(wrfin, Iterable) and not isstr(wrfin))
if isinstance(wrfin, Dataset):
is_iterable = False
elif isinstance(wrfin, Iterable):
is_iterable = True
else:
is_iterable = False

return (is_iterable and not isstr(wrfin))


def has_time_coord(wrfnc):
Expand Down
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