Merge pull request #1299 from douglasjacobsen/str-case-expander

Allow expander to change case of strings

Author: douglasjacobsen

lib/ramble/ramble/expander.py

@@ -38,6 +38,14 @@ def _join_str(seq, sep=","):
     return sep.join(str(i) for i in seq)
 
 
+def _upper_str(in_str):
+    return in_str.upper()
+
+
+def _lower_str(in_str):
+    return in_str.lower()
+
+
 def _re_search(regex, s):
     return re.search(regex, s) is not None
 
@@ -120,6 +128,8 @@ def _maybe(expander, var_name, default=""):
     "simplify_str": spack.util.naming.simplify_name,
     "join_str": _join_str,
     "re_search": _re_search,
+    "upper_str": _upper_str,
+    "lower_str": _lower_str,
 }
 
 # Format Spec Regex:

lib/ramble/ramble/test/expander.py

@@ -146,6 +146,8 @@ def build_variant_set():
         ("math_sqrt(64)", "8.0", set(), 1),
         ("math_log(9, 3)", "2.0", set(), 1),
         ("math_not_exist(1)", "math_not_exist(1)", set(), 1),
+        ("upper_str('foo')", "FOO", set(), 1),
+        ("lower_str('FOO')", "foo", set(), 1),
     ],
 )
 def test_expansions(input, output, no_expand_vars, passes):