Autocomplete after the eol command

pyproject.toml

@@ -40,6 +40,7 @@ dynamic = [
   "version",
 ]
 dependencies = [
+  "argcomplete>=3.4",
   "httpx>=0.19",
   "platformdirs",
   "prettytable>=2.4",

src/norwegianblue/__init__.py

@@ -100,15 +100,18 @@ def norwegianblue(
     return output
 
 
+def all_products() -> list[str]:
+    """Get all known products from the API or cache"""
+    return norwegianblue("all").splitlines()
+
+
 @lru_cache(maxsize=None)
 def suggest_product(product: str) -> str:
+    """Provide the best suggestion based on a typed product"""
     import difflib
 
-    # Get all known products from the API or cache
-    all_products = norwegianblue("all").splitlines()
-
     # Find the closest match
-    result = difflib.get_close_matches(product, all_products, n=1)
+    result = difflib.get_close_matches(product, all_products(), n=1)
     logging.info("Suggestion:\t%s (score: %d)", *result)
     return result[0] if result else ""
 

src/norwegianblue/cli.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# PYTHON_ARGCOMPLETE_OK
 """
 CLI to show end-of-life dates for a number of products, from https://endoflife.date
 
@@ -19,6 +20,7 @@
 import platform
 import sys
 
+import argcomplete
 from termcolor import colored
 
 import norwegianblue
@@ -27,6 +29,11 @@
 atexit.register(_cache.clear)
 
 
+def ProductCompleter(**kwargs):
+    """The list of all products to feed autocompletion"""
+    return norwegianblue.all_products()
+
+
 def main() -> None:
     parser = argparse.ArgumentParser(
         description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter
@@ -36,7 +43,7 @@ def main() -> None:
         nargs="*",
         default=["all"],
         help="product to check, or 'all' to list all available (default: 'all')",
-    )
+    ).completer = ProductCompleter
     parser.add_argument(
         "-f",
         "--format",
@@ -115,7 +122,7 @@ def main() -> None:
             help=f"output in {help_text}",
         )
     parser.set_defaults(formatter="pretty")
-
+    argcomplete.autocomplete(parser)
     args = parser.parse_args()
 
     if args.format: