Merge pull request #277 from nsidc/issue-259

Issue-259

Author: juliacollins

CHANGELOG.md

@@ -1,3 +1,7 @@
+## UNRELEASED
+
+* Issue-259: Fix white space bug in handling of `.premet` contents.
+
 ## v1.11.0rc2 (2025-08-21)
 
 * Issue-250: Use the current date/time to populate `ProductionDateTime` in UMM-G

src/nsidc/metgen/readers/utilities.py

@@ -134,7 +134,11 @@ def check_premet_keys(entry_type, parsed, expected):
 
 
 def parse_premet_entry(pline: str):
-    return re.sub(r"\s+", "", pline).split("=")
+    """
+    Break up a "key = value" pair, removing any beginning/trailing whitespace from the string parts.
+    """
+    parts = pline.split("=")
+    return [p.strip() for p in parts]
 
 
 def ensure_iso_datetime(datetime_str):

tests/test_utilities.py

@@ -76,6 +76,8 @@ def premet_platform():
     "input,expected",
     [
         ("akey = somevalue", ["akey", "somevalue"]),
+        ("akey =  some longer value ", ["akey", "some longer value"]),
+        (" a longer key = somevalue", ["a longer key", "somevalue"]),
         ("adate =   2020-01-01", ["adate", "2020-01-01"]),
         ("alat=74.5", ["alat", "74.5"]),
         ("alon  =100", ["alon", "100"]),