Merge pull request #482 from kinverarity1/lidar-file

Detect and raise IOError exception for LiDAR files (fixes #472)
kinverarity1 · Jul 14, 2021 · 02cf79b · 02cf79b
2 parents 8fcf7ea + 2af57ab
commit 02cf79b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lasio/las.py b/lasio/las.py
@@ -169,6 +169,12 @@ def read(
         try:
             file_obj, self.encoding = reader.open_file(file_ref, **kwargs)
 
+            test_lidar = file_obj.read(4)
+            if test_lidar == "LASF":
+                raise IOError("This is a LASer file (i.e. LiDAR data), not a Log ASCII Standard file")
+            else:
+                file_obj.seek(0)
+
             logger.debug(
                 "Fetching substitutions for read_policy {} and null policy {}".format(
                     read_policy, null_policy