add oxi manager

oxi/manager.py

@@ -0,0 +1,33 @@
+import requests
+from typing import Optional
+from settings import settings
+
+
+class OxiManager:
+    def __init__(
+            self,
+            session: Optional[requests.Session] = None
+    ):
+        self.base_url = settings.oxi_url
+        self._session = session or requests.Session()
+        self._session.auth = (settings.oxi_username, settings.oxi_password)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self._session.close()
+
+    def get(self, endpoint: str, **kwargs) -> requests.Response:
+        url = f"{self.base_url}/{endpoint.lstrip('/')}"
+        if not url.endswith('.json'):
+            url += '.json'
+        result = self._session.get(url, **kwargs)
+        if result.status_code == 500:
+            raise ValueError(f'page {url} not found')
+        return result.json()
+
+
+oxi = OxiManager()
+oxi.get('node/show/AKD-MSK30-AGG_S-01')
+