From 22dba3a614cc45a59fda6d0f9b562ac81836974d Mon Sep 17 00:00:00 2001
From: Panos Mavrogiorgos <pmav99@gmail.com>
Date: Tue, 9 May 2023 11:08:10 +0300
Subject: [PATCH] Suggest installing cfgrib when GRIB is detected and GRIB
 support is not available.

Fixes #16
---
 inspectds/cli.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/inspectds/cli.py b/inspectds/cli.py
index f4e1fa9..7ac1daa 100644
--- a/inspectds/cli.py
+++ b/inspectds/cli.py
@@ -93,7 +93,12 @@ def echo_dataset(
 # This is why we keep this function
 def infer_dataset_type(path: pathlib.Path) -> DATASET_TYPE:
     if path.suffix in (".grib", ".grib2"):
-        dataset_type = DATASET_TYPE.GRIB
+        if IS_GRIB_AVAILABLE:
+            dataset_type = DATASET_TYPE.GRIB
+        else:
+            msg = "GRIB file detected, but GRIB support is not available. Please install cfgrib."
+            typer.echo(msg)
+            raise typer.Exit(code=1)
     elif path.is_dir() or path.suffix == ".zarr" or path.suffix == ".zip":
         dataset_type = DATASET_TYPE.ZARR
     else: