tweaks

csst_common/io.py

@@ -9,6 +9,7 @@ Modified-History:
     2023-12-15, Bo Zhang, added verify_checksum and append_header, add module header
     2023-12-16, Bo Zhang, fixed a bug in finding the first key when reformatting
     2024-06-08, Bo Zhang, added delete_section
+    2025-08-05, Bo Zhang, added generate_meta
 """
 
 import os
@@ -16,14 +17,14 @@ import json
 import bisect
 import warnings
 from copy import deepcopy
-from typing import Optional
+from typing import Optional, Any
 
 from astropy.io import fits
 
 
 REQUIRED_KEYS_IN_META = dict(
     # 观测数据相关的ID参数
-    dataset="__instrument__",
+    dataset="__dataset__",
     instrument="__instrument__",
     obs_type="__obs_type__",
     obs_group="__obs_group__",
@@ -56,7 +57,7 @@ def generate_meta(**kwargs) -> fits.Header:
 
     Parameters
     ----------
-    kwargs : dict
+    kwargs : Any
         Meta data.
 
     Returns

tests/test_fits_header_ops.py

@@ -13,7 +13,13 @@ import unittest
 
 from astropy.io import fits
 
-from csst_common.io import append_header, reformat_header, delete_section, get_proc_info
+from csst_common.io import (
+    append_header,
+    reformat_header,
+    delete_section,
+    get_proc_info,
+    generate_meta,
+)
 
 
 class TestFitsHeaderOps(unittest.TestCase):
@@ -122,3 +128,7 @@ class TestFitsHeaderOps(unittest.TestCase):
     def test_get_proc_info(self):
         proc_info = get_proc_info()
         self.assertEquals(proc_info["BUILD"], "-")
+
+    def test_generate_meta(self):
+        h = generate_meta()
+        self.assertIsInstance(h, fits.Header)