switch to lz4

spacetelescope · Dec 11, 2024 · b947998 · b947998
1 parent 96ae896
commit b947998
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Showing 3 changed files with 3 additions and 2 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -14,6 +14,7 @@ classifiers = [
 ]
 dependencies = [
     "asdf >=3.3.0",
+    "lz4",
     "asdf-astropy >=0.5.0",
     "gwcs >=0.19.0",
     "numpy >=1.24",

diff --git a/src/roman_datamodels/datamodels/_core.py b/src/roman_datamodels/datamodels/_core.py
@@ -234,7 +234,7 @@ def to_asdf(self, init, *args, **kwargs):
             asdf_file = self.open_asdf(**kwargs)
             asdf_file["roman"] = self._instance
             if "all_array_compression" not in kwargs:
-                kwargs["all_array_compression"] = "zlib"
+                kwargs["all_array_compression"] = "lz4"
             asdf_file.write_to(init, *args, **kwargs)
 
     def get_primary_array_name(self):

diff --git a/src/roman_datamodels/maker_utils/_base.py b/src/roman_datamodels/maker_utils/_base.py
@@ -29,6 +29,6 @@ def save_node(node, filepath=None):
 
         af = asdf.AsdfFile()
         af.tree = {"roman": node}
-        af.write_to(filepath, all_array_compression="zlib")
+        af.write_to(filepath, all_array_compression="lz4")
 
     return node