Add gzip check to compress method (#1429)

* Add gzip check to compress method

Addresses @zariiii9003 from #1385 (comment)

* Update can/io/logger.py

Co-authored-by: zariiii9003 <[email protected]>

* Update logger.py

Co-authored-by: zariiii9003 <[email protected]>

Author: j-c-cook

can/io/logger.py

@@ -105,6 +105,10 @@ def compress(
         File will automatically recompress upon close.
         """
         real_suffix = pathlib.Path(filename).suffixes[-2].lower()
+        if real_suffix in (".blf", ".db"):
+            raise ValueError(
+                f"The file type {real_suffix} is currently incompatible with gzip."
+            )
         if kwargs.get("append", False):
             mode = "ab" if real_suffix == ".blf" else "at"
         else: