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import os
from typing import Any, Dict, Optional, Tuple
import fsspec
import xarray as xr
from . import sentinel1
class Sentinel1Backend(xr.backends.common.BackendEntrypoint):
def open_dataset( # type: ignore
self,
filename_or_obj: str,
drop_variables: Optional[Tuple[str]] = None,
group: Optional[str] = None,
storage_options: Optional[Dict[str, Any]] = None,
override_product_files: Optional[str] = None,
fs: Optional[fsspec.AbstractFileSystem] = None,
check_files_exist: bool = False,
parse_geospatial_attrs: bool = True,
) -> xr.Dataset:
ds = sentinel1.open_sentinel1_dataset(
filename_or_obj,
drop_variables=drop_variables,
group=group,
storage_options=storage_options,
override_product_files=override_product_files,
fs=fs,
check_files_exist=check_files_exist,
parse_geospatial_attrs=parse_geospatial_attrs,
)
return ds
def guess_can_open(self, filename_or_obj: Any) -> bool:
try:
_, ext = os.path.splitext(filename_or_obj)
except TypeError:
return False
return ext.lower() in {".safe", ".safe/"}
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