-
Notifications
You must be signed in to change notification settings - Fork 38
/
_recipe.py
1333 lines (1115 loc) · 48.4 KB
/
_recipe.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
"""Recipe parser."""
import fnmatch
import logging
import os
import re
from collections import OrderedDict
from copy import deepcopy
from pprint import pformat
import yaml
from netCDF4 import Dataset
from . import __version__
from . import _recipe_checks as check
from ._config import TAGS, get_activity, get_institutes, replace_tags
from ._data_finder import (get_input_filelist, get_output_file,
get_statistic_output_file)
from ._provenance import TrackedFile, get_recipe_provenance
from ._recipe_checks import RecipeError
from ._task import (DiagnosticTask, get_flattened_tasks, get_independent_tasks,
run_tasks)
from .cmor.table import CMOR_TABLES
from .preprocessor import (DEFAULT_ORDER, FINAL_STEPS, INITIAL_STEPS,
MULTI_MODEL_FUNCTIONS, PreprocessingTask,
PreprocessorFile)
from .preprocessor._derive import get_required
from .preprocessor._download import synda_search
from .preprocessor._io import DATASET_KEYS, concatenate_callback
from .preprocessor._regrid import (get_cmor_levels, get_reference_levels,
parse_cell_spec)
logger = logging.getLogger(__name__)
TASKSEP = os.sep
def ordered_safe_load(stream):
"""Load a YAML file using OrderedDict instead of dict."""
class OrderedSafeLoader(yaml.SafeLoader):
"""Loader class that uses OrderedDict to load a map."""
def construct_mapping(loader, node):
"""Load a map as an OrderedDict."""
loader.flatten_mapping(node)
return OrderedDict(loader.construct_pairs(node))
OrderedSafeLoader.add_constructor(
yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG, construct_mapping)
return yaml.load(stream, OrderedSafeLoader)
def load_raw_recipe(filename):
"""Check a recipe file and return it in raw form."""
# Note that many checks can only be performed after the automatically
# computed entries have been filled in by creating a Recipe object.
check.recipe_with_schema(filename)
with open(filename, 'r') as file:
contents = file.read()
raw_recipe = yaml.safe_load(contents)
raw_recipe['preprocessors'] = ordered_safe_load(contents).get(
'preprocessors', {})
check.diagnostics(raw_recipe['diagnostics'])
return raw_recipe
def read_recipe_file(filename, config_user, initialize_tasks=True):
"""Read a recipe from file."""
raw_recipe = load_raw_recipe(filename)
return Recipe(raw_recipe,
config_user,
initialize_tasks,
recipe_file=filename)
def _get_value(key, datasets):
"""Get a value for key by looking at the other datasets."""
values = {dataset[key] for dataset in datasets if key in dataset}
if len(values) > 1:
raise RecipeError("Ambigous values {} for property {}".format(
values, key))
value = None
if len(values) == 1:
value = values.pop()
return value
def _update_from_others(variable, keys, datasets):
"""Get values for keys by copying from the other datasets."""
for key in keys:
if key not in variable:
value = _get_value(key, datasets)
if value is not None:
variable[key] = value
def _add_cmor_info(variable, override=False):
"""Add information from CMOR tables to variable."""
logger.debug("If not present: adding keys from CMOR table to %s", variable)
if 'cmor_table' not in variable or 'mip' not in variable:
logger.debug("Skipping because cmor_table or mip not specified")
return
if variable['cmor_table'] not in CMOR_TABLES:
logger.warning("Unknown CMOR table %s", variable['cmor_table'])
derive = variable.get('derive', False)
# Copy the following keys from CMOR table
cmor_keys = [
'standard_name', 'long_name', 'units', 'modeling_realm', 'frequency'
]
cmor_table = variable['cmor_table']
mip = variable['mip']
short_name = variable['short_name']
table_entry = CMOR_TABLES[cmor_table].get_variable(mip, short_name, derive)
if table_entry is None:
raise RecipeError(
"Unable to load CMOR table '{}' for variable '{}' with mip '{}'".
format(cmor_table, short_name, mip))
for key in cmor_keys:
if key not in variable or override:
value = getattr(table_entry, key, None)
if value is not None:
variable[key] = value
else:
logger.debug(
"Failed to add key %s to variable %s from CMOR table", key,
variable)
# Check that keys are available
check.variable(variable, required_keys=cmor_keys)
def _special_name_to_dataset(variable, special_name):
"""Convert special names to dataset names."""
if special_name in ('reference_dataset', 'alternative_dataset'):
if special_name not in variable:
raise RecipeError(
"Preprocessor {} uses {}, but {} is not defined for "
"variable {} of diagnostic {}".format(
variable['preprocessor'],
special_name,
special_name,
variable['short_name'],
variable['diagnostic'],
))
special_name = variable[special_name]
return special_name
def _update_target_levels(variable, variables, settings, config_user):
"""Replace the target levels dataset name with a filename if needed."""
levels = settings.get('extract_levels', {}).get('levels')
if not levels:
return
levels = _special_name_to_dataset(variable, levels)
# If levels is a dataset name, replace it by a dict with a 'dataset' entry
if any(levels == v['dataset'] for v in variables):
settings['extract_levels']['levels'] = {'dataset': levels}
levels = settings['extract_levels']['levels']
if not isinstance(levels, dict):
return
if 'cmor_table' in levels and 'coordinate' in levels:
settings['extract_levels']['levels'] = get_cmor_levels(
levels['cmor_table'], levels['coordinate'])
elif 'dataset' in levels:
dataset = levels['dataset']
if variable['dataset'] == dataset:
del settings['extract_levels']
else:
variable_data = _get_dataset_info(dataset, variables)
filename = \
_dataset_to_file(variable_data, config_user)
settings['extract_levels']['levels'] = get_reference_levels(
filename, variable_data['project'], dataset,
variable_data['short_name'],
os.path.splitext(variable_data['filename'])[0] + '_fixed')
def _update_target_grid(variable, variables, settings, config_user):
"""Replace the target grid dataset name with a filename if needed."""
grid = settings.get('regrid', {}).get('target_grid')
if not grid:
return
grid = _special_name_to_dataset(variable, grid)
if variable['dataset'] == grid:
del settings['regrid']
elif any(grid == v['dataset'] for v in variables):
settings['regrid']['target_grid'] = _dataset_to_file(
_get_dataset_info(grid, variables), config_user)
else:
# Check that MxN grid spec is correct
parse_cell_spec(settings['regrid']['target_grid'])
def _update_regrid_time(variable, settings):
"""Input data frequency automatically for regrid_time preprocessor."""
regrid_time = settings.get('regrid_time')
if regrid_time is None:
return
frequency = settings.get('regrid_time', {}).get('frequency')
if not frequency:
settings['regrid_time']['frequency'] = variable['frequency']
def _get_dataset_info(dataset, variables):
for var in variables:
if var['dataset'] == dataset:
return var
raise RecipeError("Unable to find matching file for dataset"
"{}".format(dataset))
def _augment(base, update):
"""Update dict base with values from dict update."""
for key in update:
if key not in base:
base[key] = update[key]
def _dataset_to_file(variable, config_user):
"""Find the first file belonging to dataset from variable info."""
files = _get_input_files(variable, config_user)
if not files and variable.get('derive'):
required_vars = get_required(variable['short_name'],
variable['project'])
for required_var in required_vars:
_augment(required_var, variable)
_add_cmor_info(required_var, override=True)
files = _get_input_files(required_var, config_user)
if files:
variable = required_var
break
check.data_availability(files, variable)
return files[0]
def _limit_datasets(variables, profile, max_datasets=0):
"""Try to limit the number of datasets to max_datasets."""
if not max_datasets:
return variables
logger.info("Limiting the number of datasets to %s", max_datasets)
required_datasets = [
(profile.get('extract_levels') or {}).get('levels'),
(profile.get('regrid') or {}).get('target_grid'),
variables[0].get('reference_dataset'),
variables[0].get('alternative_dataset'),
]
limited = [v for v in variables if v['dataset'] in required_datasets]
for variable in variables:
if len(limited) >= max_datasets:
break
if variable not in limited:
limited.append(variable)
logger.info("Only considering %s",
', '.join(v['alias'] for v in limited))
return limited
def _get_default_settings(variable, config_user, derive=False):
"""Get default preprocessor settings."""
settings = {}
# Set up downloading using synda if requested.
if config_user['synda_download']:
# TODO: make this respect drs or download to preproc dir?
download_folder = os.path.join(config_user['preproc_dir'], 'downloads')
settings['download'] = {
'dest_folder': download_folder,
}
# Configure loading
settings['load'] = {
'callback': concatenate_callback,
}
# Configure merge
settings['concatenate'] = {}
# Configure fixes
fix = {
'project': variable['project'],
'dataset': variable['dataset'],
'short_name': variable['short_name'],
}
# File fixes
fix_dir = os.path.splitext(variable['filename'])[0] + '_fixed'
settings['fix_file'] = dict(fix)
settings['fix_file']['output_dir'] = fix_dir
# Cube fixes
# Only supply mip if the CMOR check fixes are implemented.
if variable.get('cmor_table'):
fix['cmor_table'] = variable['cmor_table']
fix['mip'] = variable['mip']
fix['frequency'] = variable['frequency']
settings['fix_data'] = dict(fix)
settings['fix_metadata'] = dict(fix)
# Configure time extraction
if 'start_year' in variable and 'end_year' in variable \
and variable['frequency'] != 'fx':
settings['extract_time'] = {
'start_year': variable['start_year'],
'end_year': variable['end_year'] + 1,
'start_month': 1,
'end_month': 1,
'start_day': 1,
'end_day': 1,
}
if derive:
settings['derive'] = {
'short_name': variable['short_name'],
'standard_name': variable['standard_name'],
'long_name': variable['long_name'],
'units': variable['units'],
}
# Configure CMOR metadata check
if variable.get('cmor_table'):
settings['cmor_check_metadata'] = {
'cmor_table': variable['cmor_table'],
'mip': variable['mip'],
'short_name': variable['short_name'],
'frequency': variable['frequency'],
}
# Configure final CMOR data check
if variable.get('cmor_table'):
settings['cmor_check_data'] = {
'cmor_table': variable['cmor_table'],
'mip': variable['mip'],
'short_name': variable['short_name'],
'frequency': variable['frequency'],
}
# Clean up fixed files
if not config_user['save_intermediary_cubes']:
settings['cleanup'] = {
'remove': [fix_dir],
}
# Configure saving cubes to file
settings['save'] = {'compress': config_user['compress_netcdf']}
return settings
def _add_fxvar_keys(fx_var_dict, variable):
"""Add keys specific to fx variable to use get_input_filelist."""
fx_variable = dict(variable)
# set variable names
fx_variable['variable_group'] = fx_var_dict['short_name']
fx_variable['short_name'] = fx_var_dict['short_name']
# specificities of project
if fx_variable['project'] == 'CMIP5':
fx_variable['mip'] = 'fx'
fx_variable['ensemble'] = 'r0i0p0'
elif fx_variable['project'] == 'CMIP6':
fx_variable['grid'] = variable['grid']
if 'mip' in fx_var_dict:
fx_variable['mip'] = fx_var_dict['mip']
elif fx_variable['project'] in ['OBS', 'OBS6', 'obs4mips']:
fx_variable['mip'] = 'fx'
# add missing cmor info
_add_cmor_info(fx_variable, override=True)
return fx_variable
def _get_correct_fx_file(variable, fx_varname, config_user):
"""Get fx files (searching all possible mips)."""
# TODO: allow user to specify certain mip if desired
var = dict(variable)
var_project = variable['project']
cmor_table = CMOR_TABLES[var_project]
# Get all fx-related mips ('fx' always first, original mip last)
fx_mips = ['fx']
fx_mips.extend(
[key for key in cmor_table.tables if 'fx' in key and key != 'fx'])
fx_mips.append(variable['mip'])
# Search all mips for available variables
searched_mips = []
for fx_mip in fx_mips:
fx_variable = cmor_table.get_variable(fx_mip, fx_varname)
if fx_variable is not None:
searched_mips.append(fx_mip)
fx_var = _add_fxvar_keys(
{'short_name': fx_varname, 'mip': fx_mip}, var)
logger.debug("For CMIP6 fx variable '%s', found table '%s'",
fx_varname, fx_mip)
fx_files = _get_input_files(fx_var, config_user)
# If files found, return them
if fx_files:
logger.debug("Found CMIP6 fx variables '%s':\n%s",
fx_varname, pformat(fx_files))
break
else:
# No files found
fx_files = []
# If fx variable was not found in any table, raise exception
if not searched_mips:
raise RecipeError(
f"Requested fx variable '{fx_varname}' not available in "
f"any 'fx'-related CMOR table ({fx_mips}) for '{var_project}'")
# allow for empty lists corrected for by NE masks
if fx_files:
fx_files = fx_files[0]
return fx_files
def _get_landsea_fraction_fx_dict(variable, config_user):
"""Get dict of available ``sftlf`` and ``sftof`` variables."""
fx_dict = {}
fx_vars = ['sftlf']
if variable['project'] != 'obs4mips':
fx_vars.append('sftof')
for fx_var in fx_vars:
fx_dict[fx_var] = _get_correct_fx_file(variable, fx_var, config_user)
return fx_dict
def _exclude_dataset(settings, variable, step):
"""Exclude dataset from specific preprocessor step if requested."""
exclude = {
_special_name_to_dataset(variable, dataset)
for dataset in settings[step].pop('exclude', [])
}
if variable['dataset'] in exclude:
settings.pop(step)
logger.debug("Excluded dataset '%s' from preprocessor step '%s'",
variable['dataset'], step)
def _update_weighting_settings(settings, variable):
"""Update settings for the weighting preprocessors."""
if 'weighting_landsea_fraction' not in settings:
return
_exclude_dataset(settings, variable, 'weighting_landsea_fraction')
def _update_fx_settings(settings, variable, config_user):
"""Find and set the FX mask settings."""
msg = f"Using fx files for %s of dataset {variable['dataset']}:\n%s"
if 'mask_landsea' in settings:
logger.debug('Getting fx mask settings now...')
fx_dict = _get_landsea_fraction_fx_dict(variable, config_user)
fx_list = [fx_file for fx_file in fx_dict.values() if fx_file]
settings['mask_landsea']['fx_files'] = fx_list
logger.info(msg, 'land/sea masking', pformat(fx_dict))
if 'mask_landseaice' in settings:
logger.debug('Getting fx mask settings now...')
settings['mask_landseaice']['fx_files'] = []
fx_files_dict = {
'sftgif': _get_correct_fx_file(variable, 'sftgif', config_user)}
if fx_files_dict['sftgif']:
settings['mask_landseaice']['fx_files'].append(
fx_files_dict['sftgif'])
logger.info(msg, 'land/sea ice masking', pformat(fx_files_dict))
if 'weighting_landsea_fraction' in settings:
logger.debug("Getting fx files for landsea fraction weighting now...")
fx_dict = _get_landsea_fraction_fx_dict(variable, config_user)
settings['weighting_landsea_fraction']['fx_files'] = fx_dict
logger.info(msg, 'land/sea fraction weighting', pformat(fx_dict))
for step in ('area_statistics', 'volume_statistics'):
if settings.get(step, {}).get('fx_files'):
var = dict(variable)
var['fx_files'] = settings.get(step, {}).get('fx_files')
fx_files_dict = {
fxvar: _get_correct_fx_file(variable, fxvar, config_user)
for fxvar in var['fx_files']}
settings[step]['fx_files'] = fx_files_dict
logger.info(msg, step, pformat(fx_files_dict))
def _read_attributes(filename):
"""Read the attributes from a netcdf file."""
attributes = {}
if not (os.path.exists(filename)
and os.path.splitext(filename)[1].lower() == '.nc'):
return attributes
with Dataset(filename, 'r') as dataset:
for attr in dataset.ncattrs():
attributes[attr] = dataset.getncattr(attr)
return attributes
def _get_input_files(variable, config_user):
"""Get the input files for a single dataset (locally and via download)."""
input_files = get_input_filelist(
variable=variable,
rootpath=config_user['rootpath'],
drs=config_user['drs'])
# Set up downloading using synda if requested.
# Do not download if files are already available locally.
if config_user['synda_download'] and not input_files:
input_files = synda_search(variable)
return input_files
def _get_ancestors(variable, config_user):
"""Get the input files for a single dataset and setup provenance."""
input_files = _get_input_files(variable, config_user)
logger.info("Using input files for variable %s of dataset %s:\n%s",
variable['short_name'], variable['dataset'],
'\n'.join(input_files))
if (not config_user.get('skip-nonexistent')
or variable['dataset'] == variable.get('reference_dataset')):
check.data_availability(input_files, variable)
# Set up provenance tracking
for i, filename in enumerate(input_files):
attributes = _read_attributes(filename)
input_files[i] = TrackedFile(filename, attributes)
return input_files
def _apply_preprocessor_profile(settings, profile_settings):
"""Apply settings from preprocessor profile."""
profile_settings = deepcopy(profile_settings)
for step, args in profile_settings.items():
# Remove disabled preprocessor functions
if args is False:
if step in settings:
del settings[step]
continue
# Enable/update functions without keywords
if step not in settings:
settings[step] = {}
if isinstance(args, dict):
settings[step].update(args)
def _get_statistic_attributes(products):
"""Get attributes for the statistic output products."""
attributes = {}
some_product = next(iter(products))
for key, value in some_product.attributes.items():
if all(p.attributes.get(key, object()) == value for p in products):
attributes[key] = value
# Ensure start_year and end_year attributes are available
for product in products:
start = product.attributes['start_year']
if 'start_year' not in attributes or start < attributes['start_year']:
attributes['start_year'] = start
end = product.attributes['end_year']
if 'end_year' not in attributes or end > attributes['end_year']:
attributes['end_year'] = end
return attributes
def _get_remaining_common_settings(step, order, products):
"""Get preprocessor settings that are shared between products."""
settings = {}
remaining_steps = order[order.index(step) + 1:]
some_product = next(iter(products))
for key, value in some_product.settings.items():
if key in remaining_steps:
if all(p.settings.get(key, object()) == value for p in products):
settings[key] = value
return settings
def _update_multi_dataset_settings(variable, settings):
"""Configure multi dataset statistics."""
for step in MULTI_MODEL_FUNCTIONS:
if not settings.get(step):
continue
# Exclude dataset if requested
_exclude_dataset(settings, variable, step)
def _update_statistic_settings(products, order, preproc_dir):
"""Define statistic output products."""
# TODO: move this to multi model statistics function?
# But how to check, with a dry-run option?
step = 'multi_model_statistics'
products = {p for p in products if step in p.settings}
if not products:
return
some_product = next(iter(products))
for statistic in some_product.settings[step]['statistics']:
attributes = _get_statistic_attributes(products)
attributes['dataset'] = 'MultiModel{}'.format(statistic.title())
attributes['filename'] = get_statistic_output_file(
attributes, preproc_dir)
common_settings = _get_remaining_common_settings(step, order, products)
statistic_product = PreprocessorFile(attributes, common_settings)
for product in products:
settings = product.settings[step]
if 'output_products' not in settings:
settings['output_products'] = {}
settings['output_products'][statistic] = statistic_product
def _update_extract_shape(settings, config_user):
if 'extract_shape' in settings:
shapefile = settings['extract_shape'].get('shapefile')
if shapefile:
if not os.path.exists(shapefile):
shapefile = os.path.join(
config_user['auxiliary_data_dir'],
shapefile,
)
settings['extract_shape']['shapefile'] = shapefile
check.extract_shape(settings['extract_shape'])
def _match_products(products, variables):
"""Match a list of input products to output product attributes."""
grouped_products = {}
def get_matching(attributes):
"""Find the output filename which matches input attributes best."""
score = 0
filenames = []
for variable in variables:
filename = variable['filename']
tmp = sum(v == variable.get(k) for k, v in attributes.items())
if tmp > score:
score = tmp
filenames = [filename]
elif tmp == score:
filenames.append(filename)
if not filenames:
logger.warning(
"Unable to find matching output file for input file %s",
filename)
return filenames
# Group input files by output file
for product in products:
for filename in get_matching(product.attributes):
if filename not in grouped_products:
grouped_products[filename] = []
grouped_products[filename].append(product)
return grouped_products
def _get_preprocessor_products(variables, profile, order, ancestor_products,
config_user):
"""Get preprocessor product definitions for a set of datasets."""
products = set()
for variable in variables:
variable['filename'] = get_output_file(variable,
config_user['preproc_dir'])
if ancestor_products:
grouped_ancestors = _match_products(ancestor_products, variables)
else:
grouped_ancestors = {}
for variable in variables:
settings = _get_default_settings(
variable,
config_user,
derive='derive' in profile,
)
_apply_preprocessor_profile(settings, profile)
_update_multi_dataset_settings(variable, settings)
_update_target_levels(
variable=variable,
variables=variables,
settings=settings,
config_user=config_user,
)
_update_extract_shape(settings, config_user)
_update_weighting_settings(settings, variable)
_update_fx_settings(
settings=settings, variable=variable,
config_user=config_user)
_update_target_grid(
variable=variable,
variables=variables,
settings=settings,
config_user=config_user,
)
_update_regrid_time(variable, settings)
ancestors = grouped_ancestors.get(variable['filename'])
if not ancestors:
ancestors = _get_ancestors(variable, config_user)
if config_user.get('skip-nonexistent') and not ancestors:
logger.info("Skipping: no data found for %s", variable)
continue
product = PreprocessorFile(
attributes=variable,
settings=settings,
ancestors=ancestors,
)
products.add(product)
_update_statistic_settings(products, order, config_user['preproc_dir'])
for product in products:
product.check()
return products
def _get_single_preprocessor_task(variables,
profile,
config_user,
name,
ancestor_tasks=None):
"""Create preprocessor tasks for a set of datasets w/ special case fx."""
if ancestor_tasks is None:
ancestor_tasks = []
order = _extract_preprocessor_order(profile)
ancestor_products = [p for task in ancestor_tasks for p in task.products]
if variables[0].get('frequency') == 'fx':
check.check_for_temporal_preprocs(profile)
ancestor_products = None
products = _get_preprocessor_products(
variables=variables,
profile=profile,
order=order,
ancestor_products=ancestor_products,
config_user=config_user,
)
if not products:
raise RecipeError(
"Did not find any input data for task {}".format(name))
task = PreprocessingTask(
products=products,
ancestors=ancestor_tasks,
name=name,
order=order,
debug=config_user['save_intermediary_cubes'],
write_ncl_interface=config_user['write_ncl_interface'],
)
logger.info("PreprocessingTask %s created. It will create the files:\n%s",
task.name, '\n'.join(p.filename for p in task.products))
return task
def _extract_preprocessor_order(profile):
"""Extract the order of the preprocessing steps from the profile."""
custom_order = profile.pop('custom_order', False)
if not custom_order:
return DEFAULT_ORDER
order = tuple(p for p in profile if p not in INITIAL_STEPS + FINAL_STEPS)
return INITIAL_STEPS + order + FINAL_STEPS
def _split_settings(settings, step, order=DEFAULT_ORDER):
"""Split settings, using step as a separator."""
before = {}
for _step in order:
if _step == step:
break
if _step in settings:
before[_step] = settings[_step]
after = {
k: v
for k, v in settings.items() if not (k == step or k in before)
}
return before, after
def _split_derive_profile(profile):
"""Split the derive preprocessor profile."""
order = _extract_preprocessor_order(profile)
before, after = _split_settings(profile, 'derive', order)
after['derive'] = True
after['fix_file'] = False
after['fix_metadata'] = False
after['fix_data'] = False
if order != DEFAULT_ORDER:
before['custom_order'] = True
after['custom_order'] = True
return before, after
def _get_derive_input_variables(variables, config_user):
"""Determine the input sets of `variables` needed for deriving."""
derive_input = {}
def append(group_prefix, var):
"""Append variable `var` to a derive input group."""
group = group_prefix + var['short_name']
var['variable_group'] = group
if group not in derive_input:
derive_input[group] = []
derive_input[group].append(var)
for variable in variables:
group_prefix = variable['variable_group'] + '_derive_input_'
if not variable.get('force_derivation') and _get_input_files(
variable,
config_user):
# No need to derive, just process normally up to derive step
var = deepcopy(variable)
append(group_prefix, var)
else:
# Process input data needed to derive variable
required_vars = get_required(variable['short_name'],
variable['project'])
for var in required_vars:
_augment(var, variable)
_add_cmor_info(var, override=True)
files = _get_input_files(var, config_user)
if var.get('optional') and not files:
logger.info(
"Skipping: no data found for %s which is marked as "
"'optional'", var)
else:
append(group_prefix, var)
# An empty derive_input (due to all variables marked as 'optional' is
# handled at a later step
return derive_input
def _get_preprocessor_task(variables, profiles, config_user, task_name):
"""Create preprocessor task(s) for a set of datasets."""
# First set up the preprocessor profile
variable = variables[0]
preproc_name = variable.get('preprocessor')
if preproc_name not in profiles:
raise RecipeError(
"Unknown preprocessor {} in variable {} of diagnostic {}".format(
preproc_name, variable['short_name'], variable['diagnostic']))
profile = deepcopy(profiles[variable['preprocessor']])
logger.info("Creating preprocessor '%s' task for variable '%s'",
variable['preprocessor'], variable['short_name'])
variables = _limit_datasets(variables, profile,
config_user.get('max_datasets'))
for variable in variables:
_add_cmor_info(variable)
# Create preprocessor task(s)
derive_tasks = []
if variable.get('derive'):
# Create tasks to prepare the input data for the derive step
derive_profile, profile = _split_derive_profile(profile)
derive_input = _get_derive_input_variables(variables, config_user)
for derive_variables in derive_input.values():
for derive_variable in derive_variables:
_add_cmor_info(derive_variable, override=True)
derive_name = task_name.split(
TASKSEP)[0] + TASKSEP + derive_variables[0]['variable_group']
task = _get_single_preprocessor_task(
derive_variables,
derive_profile,
config_user,
name=derive_name,
)
derive_tasks.append(task)
# Create (final) preprocessor task
task = _get_single_preprocessor_task(
variables,
profile,
config_user,
ancestor_tasks=derive_tasks,
name=task_name,
)
return task
class Recipe:
"""Recipe object."""
info_keys = ('project', 'dataset', 'exp', 'ensemble', 'version')
"""List of keys to be used to compose the alias, ordered by priority."""
def __init__(self,
raw_recipe,
config_user,
initialize_tasks=True,
recipe_file=None):
"""Parse a recipe file into an object."""
self._cfg = deepcopy(config_user)
self._cfg['write_ncl_interface'] = self._need_ncl(
raw_recipe['diagnostics'])
self._filename = os.path.basename(recipe_file)
self._preprocessors = raw_recipe.get('preprocessors', {})
if 'default' not in self._preprocessors:
self._preprocessors['default'] = {}
self.diagnostics = self._initialize_diagnostics(
raw_recipe['diagnostics'], raw_recipe.get('datasets', []))
self.entity = self._initalize_provenance(
raw_recipe.get('documentation', {}))
self.tasks = self.initialize_tasks() if initialize_tasks else None
@staticmethod
def _need_ncl(raw_diagnostics):
if not raw_diagnostics:
return False
for diagnostic in raw_diagnostics.values():
if not diagnostic.get('scripts'):
continue
for script in diagnostic['scripts'].values():
if script.get('script', '').lower().endswith('.ncl'):
logger.info("NCL script detected, checking NCL version")
check.ncl_version()
return True
return False
def _initalize_provenance(self, raw_documentation):
"""Initialize the recipe provenance."""
doc = deepcopy(raw_documentation)
for key in doc:
if key in TAGS:
doc[key] = replace_tags(key, doc[key])
return get_recipe_provenance(doc, self._filename)
def _initialize_diagnostics(self, raw_diagnostics, raw_datasets):
"""Define diagnostics in recipe."""
logger.debug("Retrieving diagnostics from recipe")
diagnostics = {}
for name, raw_diagnostic in raw_diagnostics.items():
diagnostic = {}
diagnostic['name'] = name
diagnostic['preprocessor_output'] = \
self._initialize_preprocessor_output(
name,
raw_diagnostic.get('variables', {}),
raw_datasets +
raw_diagnostic.get('additional_datasets', []))
variable_names = tuple(raw_diagnostic.get('variables', {}))
diagnostic['scripts'] = self._initialize_scripts(
name, raw_diagnostic.get('scripts'), variable_names)
for key in ('themes', 'realms'):
if key in raw_diagnostic:
for script in diagnostic['scripts'].values():
script['settings'][key] = raw_diagnostic[key]
diagnostics[name] = diagnostic
return diagnostics
@staticmethod
def _initialize_datasets(raw_datasets):
"""Define datasets used by variable."""
datasets = deepcopy(raw_datasets)
for dataset in datasets:
for key in dataset:
DATASET_KEYS.add(key)
return datasets
@staticmethod
def _expand_ensemble(variables):
"""
Expand ensemble members to multiple datasets
Expansion only support ensembles defined as strings, not lists
"""
expanded = []
regex = re.compile(r'\(\d+:\d+\)')
for variable in variables:
ensemble = variable.get('ensemble', "")
if not isinstance(ensemble, str):