Version warning

openeo/__init__.py

@@ -17,11 +17,30 @@ class BaseOpenEoException(Exception):
 from openeo.rest.connection import connect, session, Connection
 from openeo.rest.job import BatchJob, RESTJob
 from openeo.internal.graph_building import UDF
-
+import requests
+import warnings
 
 def client_version() -> str:
     try:
         import importlib.metadata
         return importlib.metadata.version("openeo")
     except Exception:
         return __version__
+
+def check_if_latest_version():
+    from openeo.capabilities import ComparableVersion
+    try:
+        package = 'openeo'
+        response = requests.get(f'https://pypi.org/pypi/{package}/json',timeout=2)
+        latest_version = response.json()['info']['version']
+    except:
+        # Probably no internet connection available, pass
+        return
+    installed_version = client_version()
+    if ComparableVersion(latest_version).__gt__(installed_version):
+        warnings.warn(f'You are using {package} version {installed_version}; however, version {latest_version} is available. You should consider upgrading via the \'pip install --upgrade {package}\' command.', Warning)
+    return
+
+# TODO: Perform this once a week using a cached file. pip is doing something similar here https://github.com/pypa/pip/blob/bad03ef931d9b3ff4f9e75f35f9c41f45839e2a1/src/pip/_internal/self_outdated_check.py
+check_if_latest_version()
+