Check minimal server version

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "winterapi"
-version = "0.3.0"
+version = "1.0.0"
 description = ""
 authors = [
     {name = "Robert Stein", email = "[email protected]"}
@@ -29,6 +29,7 @@ classifiers = [
 ]
 dependencies = [
     "pandas",
+    "packaging",
     "keyring",
     "cryptography",
     "pre-commit",

winterapi/endpoints.py

@@ -7,6 +7,7 @@
 run_local = os.getenv("WINTER_API_LOCAL", "0") in ["True", "true", "1"]
 BASE_URL = "http://127.0.0.1:7000" if run_local else "http://winter.caltech.edu:82"
 PING_URL = BASE_URL + "/ping"
+VERSION_URL = BASE_URL + "/validation/version"
 USER_URL = BASE_URL + "/validation/user"
 PROGRAM_URL = BASE_URL + "/validation/program"
 WINTER_TOO_URL = BASE_URL + "/too/winter"

winterapi/messenger.py

@@ -4,12 +4,14 @@
 
 import getpass
 import logging
+from importlib import metadata
 from typing import Optional
 
 import pandas as pd
 import requests
 from astropy import units as u
 from astropy.time import Time
+from packaging import version
 from wintertoo.models import (
     DEFAULT_IMAGE_TYPE,
     ConeImageQuery,
@@ -42,6 +44,7 @@
     SCHEDULE_SUMMARY_URL,
     SUMMER_TOO_URL,
     USER_URL,
+    VERSION_URL,
     WINTER_TOO_URL,
 )
 from winterapi.fidelius import Fidelius
@@ -56,8 +59,12 @@ class WinterAPI(BaseAPI):
 
     def __init__(self):
         self.fidelius = Fidelius()
-        logger.info(f"API ping success is {self.ping()}")
+        ping = self.ping()
+        if not ping:
+            logger.warning("Could not successfully ping server")
+        logger.info(f"API ping success is {ping}")
         self.auth = (None, None)
+        self.check_version()
 
     @staticmethod
     def ping():
@@ -73,6 +80,28 @@ def ping():
         except requests.exceptions.ConnectionError:
             return False
 
+    @staticmethod
+    def check_version():
+        """
+        Check the version of the API.
+
+        :return: API response
+        """
+        res = requests.get(VERSION_URL, timeout=MAX_TIMEOUT)
+        if res.status_code == 200:
+            server_version = version.parse(res.json()["body"])
+            local_version = version.parse(metadata.version("winterapi"))
+            logger.info(f"Server requires minimum winterapi version: {server_version}")
+            logger.info(f"Local winterapi version: {local_version}")
+            if server_version > local_version:
+                logger.warning(
+                    f"Local winterapi version ({local_version}) is out of date! "
+                    f"Server requires a minimum of {server_version}. "
+                    f"Please update winterapi."
+                )
+        else:
+            logger.warning("Could not check minimum version of winterapi for server")
+
     @staticmethod
     def clear_cache():
         """