Add store_sources option that stores rendered source in a __megasniff_sources__ property

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "megasniff"
-version = "0.2.2"
+version = "0.2.3"
 description = "Library for in-time codegened type validation"
 authors = [
     { name = "nikto_b", email = "niktob560@yandex.ru" }

src/megasniff/inflator.py

@@ -48,17 +48,20 @@ class SchemaInflatorGenerator:
 
     object_template: jinja2.Template
     tuple_template: jinja2.Template
+    _store_sources: bool
     _strict_mode: bool
 
     def __init__(self,
                  loader: Optional[jinja2.BaseLoader] = None,
                  strict_mode: bool = False,
+                 store_sources: bool = False,
                  *,
                  object_template_filename: str = 'inflator.jinja2',
                  tuple_template_filename: str = 'inflator_tuple.jinja2',
                  ):
 
         self._strict_mode = strict_mode
+        self._store_sources = store_sources
 
         if loader is None:
             template_path = importlib.resources.files('megasniff.templates')
@@ -85,7 +88,10 @@ class SchemaInflatorGenerator:
                    'from megasniff.exceptions import MissingFieldException, FieldValidationException\n')
         txt = imports + '\n' + txt
         exec(txt, namespace)
-        return namespace['inflate']
+        fn = namespace['inflate']
+        if self._store_sources:
+            setattr(fn, '__megasniff_sources__', txt)
+        return fn
 
     def _unwrap_typeref(self, t: type, strict_mode: bool) -> TypeRenderData:
         type_origin = get_origin(t)
@@ -245,6 +251,5 @@ class SchemaInflatorGenerator:
         convertor_functext = '\n'.join(txt_segments) + '\n\n' + convertor_functext
 
         convertor_functext = '\n'.join(list(filter(lambda x: len(x.strip()), convertor_functext.split('\n'))))
-        convertor_functext = convertor_functext.replace(', )', ')')
 
         return convertor_functext, namespace