init DFS

csst_common/dfs.py

-import os
+from csst_dfs_api.common.catalog import CatalogApi
+from csst_dfs_api.facility.level0 import Level0DataApi
+from csst_dfs_api.facility.level0prc import Level0PrcApi
+from csst_dfs_api.facility.level1 import Level1DataApi
+from csst_dfs_api.facility.level1prc import Level1PrcApi
+from csst_dfs_api.facility.otherdata import OtherDataApi
+from csst_dfs_api.mbi.level2 import Level2DataApi as MbiLevel2DataApi
+from csst_dfs_api.sls.level2spectra import Level2SpectraApi as SlsLevel2DataApi
+
+"""
+1. DFS 配置
+2. 接口retry功能
+"""
 
 
 class DFS:
     def __init__(self, n_try=5):
         self.n_try = n_try
-        pass
 
-    @staticmethod
-    def retry(func, n, *args, **kwargs):
-        for attempt in range(1, n + 1):
+    def retry(self, func, *args, **kwargs):
+        for attempt in range(self.n_try):
             try:
                 res = func(*args, **kwargs)
                 assert res["code"] == 0, res
@@ -17,7 +27,35 @@ class DFS:
                 print(f"Error occurs: {e.__repr__()}")
         raise RuntimeError("All attempts failed.")
 
+    # DFS APIs
+    @property
+    def L0DataApi(self):
+        return Level0DataApi()
+
+    @property
+    def L0PrcApi(self):
+        return Level0PrcApi()
+
+    @property
+    def L1DataApi(self):
+        return Level1DataApi()
+
+    @property
+    def L1PrcApi(self):
+        return Level1PrcApi()
 
+    @property
+    def L2MbiDataApi(self):
+        return MbiLevel2DataApi()
 
+    @property
+    def L2SlsDataApi(self):
+        return SlsLevel2DataApi()
 
+    @property
+    def OtherDataApi(self):
+        return OtherDataApi()
 
+    @property
+    def CatApi(self):
+        return CatalogApi()