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convert_npydir_to_netcdf.py
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convert_npydir_to_netcdf.py
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from argparse import ArgumentParser
from glob import glob
from os import path
import numpy as np
from parcels import ParticleFile
def convert_npydir_to_netcdf(tempwritedir_base, delete_tempfiles=False):
"""Convert npy files in tempwritedir to a NetCDF file
:param tempwritedir_base: directory where the directories for temporary npy files
are stored (can be obtained from ParticleFile.tempwritedir_base attribute)
"""
tempwritedir = sorted(glob(path.join("%s" % tempwritedir_base, "*")),
key=lambda x: int(path.basename(x)))[0]
pyset_file = path.join(tempwritedir, 'pset_info.npy')
if not path.isdir(tempwritedir):
raise ValueError('Output directory "%s" does not exist' % tempwritedir)
if not path.isfile(pyset_file):
raise ValueError('Output directory "%s" does not contain a pset_info.npy file' % tempwritedir)
pset_info = np.load(pyset_file, allow_pickle=True).item()
pfile = ParticleFile(None, None, pset_info=pset_info, tempwritedir=tempwritedir_base, convert_at_end=False)
pfile.close(delete_tempfiles)
def main(tempwritedir_base=None, delete_tempfiles=False):
if tempwritedir_base is None:
p = ArgumentParser(description="""Script to convert temporary npy output files to NetCDF""")
p.add_argument('tempwritedir', help='Name of directory where temporary npy files are stored '
'(not including numbered subdirectories)')
p.add_argument('-d', '--delete_tempfiles', default=False,
help='Flag to delete temporary files at end of call (default False)')
args = p.parse_args()
tempwritedir_base = args.tempwritedir
if hasattr(args, 'delete_tempfiles'):
delete_tempfiles = args.delete_tempfiles
convert_npydir_to_netcdf(tempwritedir_base, delete_tempfiles)
if __name__ == "__main__":
main()