import logging
from pywps import FORMATS, ComplexOutput, Format, LiteralInput, Process
from pywps.app.Common import Metadata
from ..director import wrap_director
from ..utils.input_utils import parse_wps_input
from ..utils.metalink_utils import build_metalink
from ..utils.response_utils import populate_response
from ..utils.subset_utils import run_subset
# from pywps.app.exceptions import ProcessError
# from pywps.inout.outputs import MetaFile, MetaLink4
LOGGER = logging.getLogger()
[docs]
class Subset(Process):
def __init__(self):
inputs = [
LiteralInput(
"collection",
"Collection",
abstract="A dataset identifier or list of comma separated identifiers"
"Example: c3s-cmip5.output1.ICHEC.EC-EARTH.historical.day.atmos.day.r1i1p1.tas.latest",
data_type="string",
min_occurs=1,
max_occurs=1,
),
LiteralInput(
"time",
"Time Period",
abstract="The time interval (start/end) to subset over separated by '/'"
" or a list of time points separated by ','."
" The format is according to the ISO-8601 standard."
" Example: 1860-01-01/1900-12-30 or 1860-01-01, 1870-01-01, 1880-01-01",
data_type="string",
min_occurs=0,
max_occurs=1,
),
LiteralInput(
"time_components",
"Time Components",
abstract="Optional time components to describe parts of the time period (e.g. year, month and day)."
" Example: month:01,02,03 or year:1970,1980|month:01,02,03",
data_type="string",
min_occurs=0,
max_occurs=1,
),
LiteralInput(
"area",
"Area",
abstract="The area to subset over as 4 comma separated values."
"Example: 0.,49.,10.,65",
data_type="string",
min_occurs=0,
max_occurs=1,
),
LiteralInput(
"level",
"Level",
abstract="The level range to subset over separated by a /"
" or a list of level values separated by ','."
"Example: 1000/2000 or 1000, 2000, 3000",
data_type="string",
min_occurs=0,
max_occurs=1,
),
LiteralInput(
"pre_checked",
"Pre-Checked",
data_type="boolean",
abstract="Use checked data only.",
default="0",
min_occurs=1,
max_occurs=1,
),
LiteralInput(
"apply_fixes",
"Apply Fixes",
data_type="boolean",
abstract="Apply fixes to datasets.",
default="1",
min_occurs=1,
max_occurs=1,
),
LiteralInput(
"original_files",
"Original Files",
data_type="boolean",
abstract="Return original files only.",
default="0",
min_occurs=1,
max_occurs=1,
),
]
outputs = [
ComplexOutput(
"output",
"METALINK v4 output",
abstract="Metalink v4 document with references to NetCDF files.",
as_reference=True,
supported_formats=[FORMATS.META4],
),
ComplexOutput(
"prov",
"Provenance",
abstract="Provenance document using W3C standard.",
as_reference=True,
supported_formats=[FORMATS.JSON],
),
ComplexOutput(
"prov_plot",
"Provenance Diagram",
abstract="Provenance document as diagram.",
as_reference=True,
supported_formats=[
Format("image/png", extension=".png", encoding="base64")
],
),
]
super().__init__(
self._handler,
identifier="subset",
title="Subset",
abstract="Run subsetting on climate model data. Calls daops operators.",
metadata=[
Metadata("DAOPS", "https://github.com/roocs/daops"),
],
version="1.0",
inputs=inputs,
outputs=outputs,
store_supported=True,
status_supported=True,
)
def _handler(self, request, response):
collection = parse_wps_input(
request.inputs, "collection", as_sequence=True, must_exist=True
)
inputs = {
"collection": collection,
"output_dir": self.workdir,
"apply_fixes": parse_wps_input(request.inputs, "apply_fixes", default=True),
"pre_checked": parse_wps_input(
request.inputs, "pre_checked", default=False
),
"original_files": parse_wps_input(
request.inputs, "original_files", default=False
),
"time": parse_wps_input(request.inputs, "time", default=None),
"time_components": parse_wps_input(
request.inputs, "time_components", default=None
),
"level": parse_wps_input(request.inputs, "level", default=None),
"area": parse_wps_input(request.inputs, "area", default=None),
}
# Let the director manage the processing or redirection to original files
director = wrap_director(collection, inputs, run_subset)
ml4 = build_metalink(
"subset-result",
"Subsetting result as NetCDF files.",
self.workdir,
director.output_uris,
)
populate_response(response, "subset", self.workdir, inputs, collection, ml4)
return response
