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Support for Google Cloud Storage URLs (like WeatherBench2 data) #51

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Support for Google Cloud Storage URLs (like WeatherBench2 data) #51

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4f3f846
GCS support
yoninachmany Mar 18, 2024
08f9887
Merge branch 'developmentseed:dev' into gcs
yoninachmany Mar 21, 2024
bb15049
Fix typo
yoninachmany Mar 21, 2024
30ffd3b
Merge branch 'gcs' of github.com:yoninachmany/titiler-xarray into gcs
yoninachmany Mar 21, 2024
0a125ac
Merge branch 'dev' into gcs
yoninachmany Mar 21, 2024
97e6639
Make gcsfs an optional dependency
yoninachmany Mar 21, 2024
ff2d483
Assert that gcsfs is installed when calling library
yoninachmany Mar 22, 2024
052f72c
Handle import of optional dependency
yoninachmany Mar 22, 2024
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3 changes: 3 additions & 0 deletions pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,9 @@ debug = [
server = [
"uvicorn"
]
gcs = [
"gcsfs"
]

[project.urls]
Homepage = "https://github.com/developmentseed/titiler-xarray"
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15 changes: 14 additions & 1 deletion titiler/xarray/reader.py
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Expand Up @@ -19,6 +19,11 @@
from titiler.xarray.redis_pool import get_redis
from titiler.xarray.settings import ApiSettings

try:
import gcsfs
except ImportError: # pragma: nocover
gcsfs = None # type: ignore

api_settings = ApiSettings()
cache_client = get_redis()

Expand All @@ -27,7 +32,7 @@ def parse_protocol(src_path: str, reference: Optional[bool] = False):
"""
Parse protocol from path.
"""
match = re.match(r"^(s3|https|http)", src_path)
match = re.match(r"^(s3|gs|https|http)", src_path)
protocol = "file"
if match:
protocol = match.group(0)
Expand Down Expand Up @@ -66,6 +71,14 @@ def get_filesystem(
if xr_engine == "h5netcdf"
else s3fs.S3Map(root=src_path, s3=s3_filesystem)
)
elif protocol == "gs":
assert gcsfs is not None, "'gcsfs' must be installed to read dataset stored in Google Cloud Storage"
gcs_filesystem = gcsfs.GCSFileSystem()
return (
gcs_filesystem.open(src_path)
if xr_engine == "h5netcdf"
else gcs_filesystem.get_mapper(root=src_path)
)
elif protocol == "reference":
reference_args = {"fo": src_path, "remote_options": {"anon": anon}}
return fsspec.filesystem("reference", **reference_args).get_mapper("")
Expand Down