issues: 1402017668
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| id | node_id | number | title | user | state | locked | assignee | milestone | comments | created_at | updated_at | closed_at | author_association | active_lock_reason | draft | pull_request | body | reactions | performed_via_github_app | state_reason | repo | type |
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| 1402017668 | PR_kwDOAMm_X85Ab9DL | 7147 | Include variable name in message if `decode_cf_variable` raises an error | 6628425 | closed | 0 | 1 | 2022-10-08T17:53:23Z | 2022-10-12T16:24:45Z | 2022-10-12T15:25:42Z | MEMBER | 0 | pydata/xarray/pulls/7147 |
I'm not sure if there is a better way to do this, but this is one way to address #7145. The error message for the example now looks like: ```
During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/Users/spencer/software/xarray/xarray/coding/times.py", line 180, in _decode_cf_datetime_dtype result = decode_cf_datetime(example_value, units, calendar, use_cftime) File "/Users/spencer/software/xarray/xarray/coding/times.py", line 277, in decode_cf_datetime dates = _decode_datetime_with_cftime( File "/Users/spencer/software/xarray/xarray/coding/times.py", line 202, in _decode_datetime_with_cftime cftime.num2date(num_dates, units, calendar, only_use_cftime_datetimes=True) File "src/cftime/_cftime.pyx", line 605, in cftime._cftime.num2date File "src/cftime/_cftime.pyx", line 404, in cftime._cftime.cast_to_int OverflowError: time values outside range of 64 bit signed integers During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/Users/spencer/software/xarray/xarray/conventions.py", line 523, in decode_cf_variables new_vars[k] = decode_cf_variable( File "/Users/spencer/software/xarray/xarray/conventions.py", line 369, in decode_cf_variable var = times.CFDatetimeCoder(use_cftime=use_cftime).decode(var, name=name) File "/Users/spencer/software/xarray/xarray/coding/times.py", line 688, in decode dtype = _decode_cf_datetime_dtype(data, units, calendar, self.use_cftime) File "/Users/spencer/software/xarray/xarray/coding/times.py", line 190, in _decode_cf_datetime_dtype raise ValueError(msg) ValueError: unable to decode time units 'days since 0001-01-01' with "calendar 'noleap'". Try opening your dataset with decode_times=False or installing cftime if it is not installed. During handling of the above exception, another exception occurred: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Users/spencer/software/xarray/xarray/conventions.py", line 659, in decode_cf vars, attrs, coord_names = decode_cf_variables( File "/Users/spencer/software/xarray/xarray/conventions.py", line 534, in decode_cf_variables raise type(e)(f"Failed to decode variable {k!r}: {e}") ValueError: Failed to decode variable 'invalid_times': unable to decode time units 'days since 0001-01-01' with "calendar 'noleap'". Try opening your dataset with decode_times=False or installing cftime if it is not installed. ``` |
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13221727 | pull |