Add inline option to read macro, so we don't override target_file_extension with includes

1 files changed, 6 insertions, 4 deletions

diff --git a/src/smp/builtins.py b/src/smp/builtins.py
index 537da37..f06df4e 100644
--- a/src/smp/builtins.py
+++ b/src/smp/builtins.py
@@ -90,7 +90,9 @@ def smp_builtin_add_metadata(macro_processor, metadata: dict[str, Any], overwrit
 
 
 def smp_builtin_include_file(macro_processor, filename):
-    return _smp_builtin_read(macro_processor, filename, template_content=None)
+    return _smp_builtin_read(
+        macro_processor, filename, template_content=None, inline=True
+    )
 
 
 def smp_builtin_parse_leading_yaml(macro_processor, content):
@@ -203,7 +205,7 @@ def smp_builtin_template(macro_processor, template, content):
     return _smp_builtin_read(macro_processor, template, template_content=content)
 
 
-def _smp_builtin_read(macro_processor, filename, template_content=None):
+def _smp_builtin_read(macro_processor, filename, template_content=None, inline=False):
     macro_processor._enter_file_frame(filename, 0, template_content)
     with open(filename, "r") as f:
         file_content = f.read()
@@ -214,13 +216,13 @@ def _smp_builtin_read(macro_processor, filename, template_content=None):
         smp_builtin_add_metadata(macro_processor, metadata, overwrite=True)
 
     extension = os.path.splitext(filename)[1][1:] or ""
-    macro_processor._define_macro_with_prefix("target_file_extension", extension)
+    if not inline:
+        macro_processor._define_macro_with_prefix("target_file_extension", extension)
 
     if template_content is not None:
         macro_processor._get_macro_with_prefix("template_stack").append(filename)
         macro_processor.macros["CONTENT"] = template_content
 
-    # content = macro_processor.process_input(file_content, file=filename)
     content = file_content
 
     if (template := macro_processor._get_metadata("template")) is not None: