create and update dataset (#2110)

### What problem does this PR solve?

Added the ability to create and update dataset for SDK

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: root <root@xwg>
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

sdk/python/ragflow/modules/dataset.py

@@ -2,7 +2,7 @@ from .base import Base
 
 
 class DataSet(Base):
-    class ParseConfig(Base):
+    class ParserConfig(Base):
         def __init__(self, rag, res_dict):
             self.chunk_token_count = 128
             self.layout_recognize = True
@@ -21,13 +21,18 @@ class DataSet(Base):
         self.permission = "me"
         self.document_count = 0
         self.chunk_count = 0
-        self.parse_method = 0
+        self.parser_method = "naive"
         self.parser_config = None
         super().__init__(rag, res_dict)
 
-    def delete(self):
-        try:
-            self.post("/rm", {"kb_id": self.id})
-            return True
-        except Exception:
-            return False
+    def save(self):
+        res = self.post('/dataset/save',
+                        {"id": self.id, "name": self.name, "avatar": self.avatar, "tenant_id": self.tenant_id,
+                         "description": self.description, "language": self.language, "embd_id": self.embedding_model,
+                         "permission": self.permission,
+                         "doc_num": self.document_count, "chunk_num": self.chunk_count, "parser_id": self.parser_method,
+                         "parser_config": self.parser_config.to_json()
+                         })
+        res = res.json()
+        if not res.get("retmsg"): return True
+        raise Exception(res["retmsg"])