Skip to content

Instantly share code, notes, and snippets.

View d-v-b's full-sized avatar
💭
status

Davis Bennett d-v-b

💭
status
103 followers · 27 following
  • Independent software engineer
  • Würzburg, Germany
  • 08:14 (UTC +01:00)
View GitHub Profile
@d-v-b
d-v-b / healpix.py
Created February 27, 2026 16:26
"""Routines for projecting MSG NAT imagery into different coordinate spaces"""
from __future__ import annotations
import contextlib
from typing import TYPE_CHECKING, Any, Literal, NotRequired, TypedDict
import healpix_geo.nested as hpx_nested # type: ignore[import-untyped]
import numpy as np
import xarray as xr
@d-v-b
d-v-b / lazy.py
Created January 29, 2026 12:18
zarr lazy indexing demo
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "zarr @ git+https://github.com/d-v-b/zarr-python.git@feat/lazy-indexing",
# "dask[array]",
# "numpy",
# ]
# ///
import zarr
@d-v-b
d-v-b / generate_invalid_omezarr.py
Created January 22, 2026 11:44
Generate OME-Zarr data with (currently) invalid array dimensionality and axis type / order
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "numpy",
# "zarr>=3",
# "ome-zarr-models",
# "pydantic",
# "pydantic-zarr"
# ]
# ///
@d-v-b
d-v-b / zchematize.py
Last active November 6, 2025 13:08
Dump the schema of a zarr group or array to stdout
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "pydantic-zarr==0.8.4",
# "zarr[remote]>=3.1.3",
# "fsspec[s3, http]",
# "typer==0.20.0",
# "rich==14.2.0"
# ]
# ///
@d-v-b
d-v-b / caching_store.py
Created August 4, 2025 12:24
zarr v3 store caching
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "zarr @ git+https://github.com/zarr-developers/zarr-python.git@main",
# ]
# ///
#
import time
import zarr
@d-v-b
d-v-b / zarr_datetime_example.py
Created July 7, 2025 15:02
Create a Zarr V3 array with a datetime64 data type
# /// script
# dependencies = [
# "zarr@git+https://github.com/zarr-developers/zarr-python.git@main",
# ]
# ///
import numpy as np
import zarr
@d-v-b
d-v-b / demo.py
Last active June 19, 2025 15:17
pep-723 metadata + pytest for a simple self-contained parameterized code example
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "pytest",
# ]
# ///
import pytest
import sys
@pytest.mark.parametrize('msg', ['hello world\n', 'hello again\n'])
def test(msg: str):
@d-v-b
d-v-b / demo.py
Created April 8, 2025 16:16
pep 723 + pytest demo
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "pytest",
# ]
# ///
import pytest
@pytest.mark.parametrize('value', [0, 1, 2])
@d-v-b
d-v-b / create_sharded_array.py
Created January 16, 2025 10:32
zarr-python 3 array creation example
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "zarr == 3.0.0",
# ]
# ///
from zarr import create_array
import numpy as np
@d-v-b
d-v-b / out.log
Created January 8, 2025 14:36
zarr 3 gcsfs log output
2025-01-08 15:34:58,955 - gcsfs - DEBUG - _call -- GET: https://storage.googleapis.com/download/storage/v1/b/gcp-public-data-arco-era5/o/ar%2Ffull_37-1h-0p25deg-chunk-1.zarr-v3%2Fzarr.json?alt=media, (), {}
2025-01-08 15:34:58,955 - gcsfs - DEBUG - _call -- GET: https://storage.googleapis.com/download/storage/v1/b/gcp-public-data-arco-era5/o/ar%2Ffull_37-1h-0p25deg-chunk-1.zarr-v3%2F.zgroup?alt=media, (), {}
2025-01-08 15:34:58,955 - gcsfs - DEBUG - _call -- GET: https://storage.googleapis.com/download/storage/v1/b/gcp-public-data-arco-era5/o/ar%2Ffull_37-1h-0p25deg-chunk-1.zarr-v3%2F.zattrs?alt=media, (), {}
2025-01-08 15:34:58,955 - gcsfs - DEBUG - _call -- GET: https://storage.googleapis.com/download/storage/v1/b/gcp-public-data-arco-era5/o/ar%2Ffull_37-1h-0p25deg-chunk-1.zarr-v3%2F.zmetadata?alt=media, (), {}
2025-01-08 15:34:59,751 - gcsfs - DEBUG - _call -- GET: b/{}/o, ('gcp-public-data-arco-era5',), None
2025-01-08 15:35:00,364 - gcsfs - DEBUG - _call -- GET: b/{}/o, ('gcp-public-data-arco-era5',), No