Ibrahim Jarif created CLIMATE-788:
-------------------------------------
Summary: load_file.py : Raises ValueError even when variable is
present
Key: CLIMATE-788
URL: https://issues.apache.org/jira/browse/CLIMATE-788
Project: Apache Open Climate Workbench
Issue Type: Bug
Components: data sources
Reporter: Ibrahim Jarif
Assignee: Ibrahim Jarif
Priority: Critical
The *_get_netcdf_variable_name()* function returns *ValueError* even when
variable is present in dataset.
{code}
dataset1 =
local.load_file('nc/AFRICA_KNMI-RACMO2.2b_CTL_ERAINT_MM_50km_1989-2008_tasmax.nc',variable_name='rlon')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "build/bdist.linux-x86_64/egg/ocw/data_source/local.py", line 243, in
load_file
File "build/bdist.linux-x86_64/egg/ocw/data_source/local.py", line 114, in
_get_netcdf_variable_name
ValueError: Unable to locate a single matching variable name from the supplied
list of valid variable names.
{code}
This is the file I'm using to create *Dataset*
!http://i.imgur.com/UvAISLS.png!
In the function *_get_netcdf_variable_name*
{code}
# Check for valid variable names in netCDF variable names
variables = netcdf.variables.keys()
vars_lower = [var.encode().lower() for var in variables]
intersect = set(valid_var_names).intersection(vars_lower)
if len(intersect) == 1:
index = vars_lower.index(intersect.pop())
return variables[index]
{code}
*intersect = 2* when {code}valid_var_names=['x', 'rlon', 'rlons', 'lon',
'lons', 'longitude', 'longitudes']{code} and {code}vars_lower=['time',
'rotated_pole', 'rlon', 'lon', 'rlat', 'lat', 'height', 'time_bnds',
'tasmax']{code}
This condition^^ causes the exception to occur.
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