Fix old pythons

Author: plietar

pyproject.toml

@@ -33,7 +33,8 @@ dependencies = [
   "humanize",
   "tblib",
   "paramiko",
-  "requests"
+  "requests",
+  "typing-extensions",
 ]
 
 [project.urls]

src/pyorderly/outpack/location_http.py

@@ -1,8 +1,9 @@
 import shutil
-from typing import Dict, List, override
+from typing import Dict, List
 from urllib.parse import urljoin
 
 import requests
+from typing_extensions import override
 
 from pyorderly.outpack.location_driver import LocationDriver
 from pyorderly.outpack.metadata import MetadataCore, PacketFile, PacketLocation

src/pyorderly/outpack/location_path.py

@@ -2,6 +2,8 @@
 import shutil
 from typing import Dict, List
 
+from typing_extensions import override
+
 from pyorderly.outpack.location_driver import LocationDriver
 from pyorderly.outpack.metadata import MetadataCore, PacketFile, PacketLocation
 from pyorderly.outpack.root import find_file_by_hash, root_open
@@ -13,15 +15,19 @@ class OutpackLocationPath(LocationDriver):
     def __init__(self, path):
         self.__root = root_open(path, locate=False)
 
+    @override
     def __enter__(self):
         return self
 
+    @override
     def __exit__(self, exc_type, exc_value, exc_tb):
         pass
 
+    @override
     def list(self) -> Dict[str, PacketLocation]:
         return self.__root.index.location(LOCATION_LOCAL)
 
+    @override
     def metadata(self, packet_ids: List[str]) -> Dict[str, str]:
         all_ids = self.__root.index.location(LOCATION_LOCAL).keys()
         missing_ids = set(packet_ids).difference(all_ids)
@@ -35,6 +41,7 @@ def metadata(self, packet_ids: List[str]) -> Dict[str, str]:
             ret[packet_id] = read_string(path)
         return ret
 
+    @override
     def fetch_file(self, _packet: MetadataCore, file: PacketFile, dest: str):
         if self.__root.config.core.use_file_store:
             path = self.__root.files.filename(file.hash)

src/pyorderly/outpack/location_ssh.py

@@ -6,6 +6,7 @@
 from urllib.parse import urlsplit
 
 import paramiko
+from typing_extensions import override
 
 from pyorderly.outpack.config import Config
 from pyorderly.outpack.hash import hash_parse
@@ -52,6 +53,7 @@ def __init__(self, url: str, known_hosts=None, password=None):
         self._password = password
         self._stack = ExitStack()
 
+    @override
     def __enter__(self):
         with ExitStack() as stack:
             client = stack.enter_context(paramiko.SSHClient())
@@ -98,9 +100,11 @@ def __enter__(self):
 
             return self
 
+    @override
     def __exit__(self, *args):
         return self._stack.__exit__(*args)
 
+    @override
     def list(self) -> Dict[str, PacketLocation]:
         path = self._root / ".outpack" / "location" / LOCATION_LOCAL
         result = {}
@@ -109,6 +113,7 @@ def list(self) -> Dict[str, PacketLocation]:
                 result[packet] = PacketLocation.from_json(f.read().strip())
         return result
 
+    @override
     def metadata(self, ids: List[str]) -> Dict[str, str]:
         path = self._root / ".outpack" / "metadata"
         result = {}
@@ -119,6 +124,7 @@ def metadata(self, ids: List[str]) -> Dict[str, str]:
 
         return result
 
+    @override
     def fetch_file(self, packet: MetadataCore, file: PacketFile, dest: str):
         path = self._file_path(packet, file)
         if path is None: