add append_meta

csst_common/io.py

@@ -42,6 +42,7 @@ REQUIRED_KEYS_IN_META = dict(
     image="__image__",
     build="__build__",
     pmapname="__pmapname__",
+    ref_cat="__ref_cat__",
     # 额外的观测筛选参数
     obs_date="1970-01-01T00:00:00",
     create_date="1970-01-01T00:00:00",
@@ -81,10 +82,32 @@ def generate_meta(**kwargs) -> fits.Header:
         keyword="META",
         value=json.dumps(kwargs, separators=(",", ":"), ensure_ascii=False),
     )
-    meta_header = fits.Header(cards=[meta_card])
+    meta_header = reformat_header(fits.Header(cards=[meta_card]), comment="INGEST META")
     return meta_header
 
 
+def append_meta(hdulist: fits.HDUList, **kwargs) -> fits.HDUList:
+    """
+    Append meta to hdulist.
+
+    Parameters
+    ----------
+    hdulist : fits.HDUList
+        HDUList.
+    kwargs : Any
+        Meta data.
+
+    Returns
+    -------
+    fits.HDUList
+        HDUList with meta.
+
+    """
+    meta_header = generate_meta(**kwargs)
+    hdulist[0].header = append_header(hdulist[0].header, meta_header)
+    return hdulist
+
+
 def verify_checksum(file_path) -> bool:
     """
     Verify a .fits file via checksum.