__slots__ optimization

Author: VeaaC

flatdata-generator/flatdata/generator/templates/py/python.jinja2

@@ -10,6 +10,7 @@ import flatdata.lib as flatdata
 {{ struct.doc|to_python_doc}}
 class {{ tree.namespace_path(struct, "_") }}_{{ struct.name }}(flatdata.structure.Structure):
     """{{ struct.doc|safe_py_string_line }}"""
+    __slots__ = ()
     _SCHEMA = """{{ tree.schema(struct) }}"""
     _NAME = "{{ tree.namespace_path(struct, "_") }}_{{ struct.name }}"
     _SIZE_IN_BITS = {{ struct.size_in_bits }}

flatdata-generator/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "flatdata-generator"
-version = "0.4.10"
+version = "0.4.11"
 description = "Generate source code for C++, Rust, Go or Python from a Flatdata schema file"
 readme = "README.md"
 authors = [

flatdata-generator/tests/generators/py_expectations/archives/multivector.py

@@ -1,5 +1,6 @@
 class n_S(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct S
 {
@@ -20,6 +21,7 @@ class n_S(flatdata.structure.Structure):
 
 class n_T(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct T
 {
@@ -40,6 +42,7 @@ class n_T(flatdata.structure.Structure):
 #  Builtin type to for MultiVector index 
 class n__builtin_multivector_IndexType8(flatdata.structure.Structure):
     """/** Builtin type to for MultiVector index */"""
+    __slots__ = ()
     _SCHEMA = """"""
     _NAME = "n__builtin_multivector_IndexType8"
     _SIZE_IN_BITS = 8
@@ -53,6 +56,7 @@ class n__builtin_multivector_IndexType8(flatdata.structure.Structure):
 #  Builtin type to for MultiVector index 
 class n__builtin_multivector_IndexType16(flatdata.structure.Structure):
     """/** Builtin type to for MultiVector index */"""
+    __slots__ = ()
     _SCHEMA = """"""
     _NAME = "n__builtin_multivector_IndexType16"
     _SIZE_IN_BITS = 16
@@ -66,6 +70,7 @@ class n__builtin_multivector_IndexType16(flatdata.structure.Structure):
 #  Builtin type to for MultiVector index 
 class n__builtin_multivector_IndexType64(flatdata.structure.Structure):
     """/** Builtin type to for MultiVector index */"""
+    __slots__ = ()
     _SCHEMA = """"""
     _NAME = "n__builtin_multivector_IndexType64"
     _SIZE_IN_BITS = 64

flatdata-generator/tests/generators/py_expectations/archives/namespaces.py

@@ -1,5 +1,6 @@
 class n_S(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct S
 {
@@ -92,6 +93,7 @@ def __init__(self, resource_storage):
 
 class m_S(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace m {
 struct S
 {
@@ -184,6 +186,7 @@ def __init__(self, resource_storage):
 #  Builtin type to for MultiVector index 
 class a__builtin_multivector_IndexType32(flatdata.structure.Structure):
     """/** Builtin type to for MultiVector index */"""
+    __slots__ = ()
     _SCHEMA = """"""
     _NAME = "a__builtin_multivector_IndexType32"
     _SIZE_IN_BITS = 32

flatdata-generator/tests/generators/py_expectations/archives/ranges.py

@@ -1,5 +1,6 @@
 class n_S(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct S
 {

flatdata-generator/tests/generators/py_expectations/archives/struct.py

@@ -1,5 +1,6 @@
 class n_S(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct S
 {

flatdata-generator/tests/generators/py_expectations/archives/vector.py

@@ -1,5 +1,6 @@
 class n_S(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct S
 {

flatdata-generator/tests/generators/py_expectations/structs/comments.py.1

@@ -1,4 +1,5 @@
 #  This is a comment about Foo
 class n_Foo(flatdata.structure.Structure):
     """// This is a comment about Foo"""
+    __slots__ = ()
     _SCHEMA = """namespace n {

flatdata-generator/tests/generators/py_expectations/structs/comments.py.2

@@ -1,3 +1,4 @@
 #  This is a comment about Foo
 class n_Foo(flatdata.structure.Structure):
-    """// This is a comment about Foo"""
+    """// This is a comment about Foo"""
+    __slots__ = ()

flatdata-generator/tests/generators/py_expectations/structs/integers.py

@@ -12,6 +12,7 @@
 
 class n_U8(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct U8
 {
@@ -32,6 +33,7 @@ class n_U8(flatdata.structure.Structure):
 
 class n_I8(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct I8
 {
@@ -52,6 +54,7 @@ class n_I8(flatdata.structure.Structure):
 
 class n_U16(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct U16
 {
@@ -72,6 +75,7 @@ class n_U16(flatdata.structure.Structure):
 
 class n_I16(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct I16
 {
@@ -92,6 +96,7 @@ class n_I16(flatdata.structure.Structure):
 
 class n_U32(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct U32
 {
@@ -112,6 +117,7 @@ class n_U32(flatdata.structure.Structure):
 
 class n_I32(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct I32
 {
@@ -132,6 +138,7 @@ class n_I32(flatdata.structure.Structure):
 
 class n_U64(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct U64
 {
@@ -152,6 +159,7 @@ class n_U64(flatdata.structure.Structure):
 
 class n_I64(flatdata.structure.Structure):
     """"""
+    __slots__ = ()
     _SCHEMA = """namespace n {
 struct I64
 {