version check added

Author: platipusica

builder/server.py

@@ -1,8 +1,47 @@
 #!/usr/bin/env python
+print("User Guide: https://jampy-docs-v7.readthedocs.io/")
+
+import sys
+import urllib.request
+import json
+
+try:
+    # Python 3.8+
+    from importlib.metadata import version, PackageNotFoundError
+except ImportError:
+    # Fallback for Python <3.8
+    from importlib_metadata import version, PackageNotFoundError
+
+
+def check_for_new_version(package: str):
+    try:
+        current_version = version(package)
+        with urllib.request.urlopen(f"https://pypi.org/pypi/{package}/json", timeout=2) as resp:
+            data = json.load(resp)
+            latest_version = data["info"]["version"]
+
+        if current_version != latest_version:
+            print(
+                f"\nA new version of {package} is available: "
+                f"{current_version} → {latest_version}\n"
+            )
+        else:
+            print(f"{package} is up-to-date ({current_version})")
+
+    except PackageNotFoundError:
+        print(f"{package} is not installed in this environment.")
+    except Exception as e:
+        print(f"Version check skipped, no network.")
+
 
 if __name__ == '__main__':
+    # --- version check at startup ---
+    check_for_new_version("jam-py-v7")
+
+    # --- Jam.py startup ---
     from jam.wsgi import create_application
     from jam.wsgi_server import run
 
     application = create_application(__file__)
     run(application)
+

demo/server.py

@@ -1,8 +1,47 @@
 #!/usr/bin/env python
-print(f"User Guide: https://jampy-docs-v7.readthedocs.io/")
+print("User Guide: https://jampy-docs-v7.readthedocs.io/")
+
+import sys
+import urllib.request
+import json
+
+try:
+    # Python 3.8+
+    from importlib.metadata import version, PackageNotFoundError
+except ImportError:
+    # Fallback for Python <3.8
+    from importlib_metadata import version, PackageNotFoundError
+
+
+def check_for_new_version(package: str):
+    try:
+        current_version = version(package)
+        with urllib.request.urlopen(f"https://pypi.org/pypi/{package}/json", timeout=2) as resp:
+            data = json.load(resp)
+            latest_version = data["info"]["version"]
+
+        if current_version != latest_version:
+            print(
+                f"\nA new version of {package} is available: "
+                f"{current_version} → {latest_version}\n"
+            )
+        else:
+            print(f"{package} is up-to-date ({current_version})")
+
+    except PackageNotFoundError:
+        print(f"{package} is not installed in this environment.")
+    except Exception as e:
+        print(f"Version check skipped, no network.")
+
+
 if __name__ == '__main__':
+    # --- version check at startup ---
+    check_for_new_version("jam-py-v7")
+
+    # --- Jam.py startup ---
     from jam.wsgi import create_application
     from jam.wsgi_server import run
 
     application = create_application(__file__)
     run(application)
+

jam/project/server.py

@@ -1,8 +1,47 @@
 #!/usr/bin/env python
-print(f"User Guide: https://jampy-docs-v7.readthedocs.io/")
+print("User Guide: https://jampy-docs-v7.readthedocs.io/")
+
+import sys
+import urllib.request
+import json
+
+try:
+    # Python 3.8+
+    from importlib.metadata import version, PackageNotFoundError
+except ImportError:
+    # Fallback for Python <3.8
+    from importlib_metadata import version, PackageNotFoundError
+
+
+def check_for_new_version(package: str):
+    try:
+        current_version = version(package)
+        with urllib.request.urlopen(f"https://pypi.org/pypi/{package}/json", timeout=2) as resp:
+            data = json.load(resp)
+            latest_version = data["info"]["version"]
+
+        if current_version != latest_version:
+            print(
+                f"\nA new version of {package} is available: "
+                f"{current_version} → {latest_version}\n"
+            )
+        else:
+            print(f"{package} is up-to-date ({current_version})")
+
+    except PackageNotFoundError:
+        print(f"{package} is not installed in this environment.")
+    except Exception as e:
+        print(f"Version check skipped, no network.")
+
+
 if __name__ == '__main__':
+    # --- version check at startup ---
+    check_for_new_version("jam-py-v7")
+
+    # --- Jam.py startup ---
     from jam.wsgi import create_application
     from jam.wsgi_server import run
 
     application = create_application(__file__)
     run(application)
+