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Prevent read error for datasets including badly-encoded UGRID meshes #316

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Prevent read error for datasets including badly-encoded UGRID meshes #316

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6569aac
Prevent UnboundLocalError in read from UGRID mesh report
sadielbartholomew Jan 13, 2025
fac532c
Update Changelog for PR to close #315
sadielbartholomew Jan 13, 2025
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3 changes: 3 additions & 0 deletions Changelog.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,9 @@ Version NEXTVERSION
* Fix bug that caused `cfdm.write` to fail when a parametric Z
dimension coordinate did not have a ``computed_standard_name``
attribute (https://github.com/NCAS-CMS/cfdm/issues/303)
* Fix bug that caused `cfdm.read` to fail to read at all
datasets including variables with badly-encoded UGRID meshes
(https://github.com/NCAS-CMS/cfdm/issues/315)
* New class `cfdm.H5netcdfArray`
* New class `cfdm.NetCDF4Array`
* New dependency: ``h5netcdf>=1.3.0``
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6 changes: 4 additions & 2 deletions cfdm/read_write/netcdf/netcdfread.py
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Expand Up @@ -10,6 +10,7 @@
from dataclasses import dataclass, field
from functools import reduce
from math import nan, prod
from pprint import pformat
from typing import Any
from urllib.parse import urlparse
from uuid import uuid4
Expand Down Expand Up @@ -3787,9 +3788,10 @@ def _create_field_or_domain(
ugrid = False
logger.warning(
"There was a problem parsing the UGRID mesh "
f"topology variable {mesh.mesh_ncvar!r}: "
f"Ignoring the UGRID mesh for {field_ncvar!r}."
"topology variable. Ignoring the UGRID mesh "
f"for {field_ncvar!r}."
)
logger.debug(f"Mesh dictionary is: {pformat(g['mesh'])}")

if ugrid:
# The UGRID specification is OK, so get the auxiliary
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