Browse the EUMETSAT catalog (no network)¶

The curated catalog resolves a friendly key to the real Data Store EO:EUM:DAT:… id, its group, output kind, and on-disk format — entirely offline.

Setup¶

Import Catalog from the EUMETSAT backend and Counter for the group tally below. No credentials or network are needed — the catalog ships as package data.

In [ ]:

from collections import Counter

from earthlens.eumetsat import Catalog

from collections import Counter from earthlens.eumetsat import Catalog

Load the catalog¶

Instantiate Catalog() and compare the curated collections (rows with band/format metadata) against the larger available_datasets index of every known Data Store id.

In [ ]:

cat = Catalog()
print(
    len(cat.datasets),
    'curated collections;',
    len(cat.available_datasets),
    'in the available index',
)

cat = Catalog() print( len(cat.datasets), 'curated collections;', len(cat.available_datasets), 'in the available index', )

Collections by group¶

Tally the curated collections by their group to see how the catalog is organised across product families.

In [ ]:

groups = Counter(c.group.value for c in cat.datasets.values())
for g, n in sorted(groups.items()):
    print(f'{g:14s} {n}')

groups = Counter(c.group.value for c in cat.datasets.values()) for g, n in sorted(groups.items()): print(f'{g:14s} {n}')

List every curated collection¶

Print each friendly key alongside its group, on-disk format, and the real Data Store collection_id it resolves to.

In [ ]:

for key, col in sorted(cat.datasets.items()):
    print(f'{key:34s} {col.group.value:12s} {col.format:8s} {col.collection_id}')

for key, col in sorted(cat.datasets.items()): print(f'{key:34s} {col.group.value:12s} {col.format:8s} {col.collection_id}')

Friendly misses suggest the closest key¶

Looking up an unknown key raises a ValueError whose message points at the nearest valid key, so typos are easy to fix.

In [ ]:

# A friendly miss suggests the closest key.
try:
    cat.get_dataset('msg-hrsevir')
except ValueError as exc:
    print(exc)

# A friendly miss suggests the closest key. try: cat.get_dataset('msg-hrsevir') except ValueError as exc: print(exc)

Next steps¶

Pass any of these keys in variables={key: [selector]} to the EUMETSAT backend — see the live-fetch notebooks in this section.