diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e97f93af5..82c349e63 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -331,7 +331,7 @@ jobs:
           name: pypi_files
           path: dist
 
-  list-pypi-files:
+  inspect-pypi-assets:
     needs: [build]
     runs-on: ubuntu-latest
 
@@ -344,8 +344,21 @@ jobs:
           name: pypi_files
           path: dist
 
-      - run: ls -lh dist/
-      - run: echo "`ls dist | wc -l` files"
+      - name: list dist files
+        run: |
+         ls -lh dist/
+         echo "`ls dist | wc -l` files"
+
+      - name: extract and list s-dist file
+        run: |
+         mkdir sdist-files
+         tar -xvf dist/*.tar.gz -C sdist-files
+         tree -a sdist-files
+
+      - name: extract and list wheel file
+        run: |
+         ls dist/*cp310-manylinux*x86_64.whl | head -n 1
+         python -m zipfile --list `ls dist/*cp310-manylinux*x86_64.whl | head -n 1`
 
   release:
     needs: [build, build-wasm-emscripten]
diff --git a/Cargo.toml b/Cargo.toml
index 03f328c9d..f6bb1987b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,24 @@ license = "MIT"
 homepage = "https://github.com/pydantic/pydantic-core"
 repository = "https://github.com/pydantic/pydantic-core.git"
 readme = "README.md"
+include = [
+    "/pyproject.toml",
+    "/README.md",
+    "/LICENSE",
+    "/Makefile",
+    "/build.rs",
+    "/generate_self_schema.py",
+    "/rust-toolchain",
+    "/src",
+    "!/src/self_schema.py",
+    "/pydantic_core",
+    "/tests",
+    "/.cargo",
+    "!__pycache__",
+    "!tests/.hypothesis",
+    "!tests/.pytest_cache",
+    "!*.so",
+]
 
 [dependencies]
 pyo3 = "0.17.1"
diff --git a/build.rs b/build.rs
index 594120e96..ecb7cbeda 100644
--- a/build.rs
+++ b/build.rs
@@ -28,5 +28,6 @@ fn main() {
     if let Some(true) = version_check::supports_feature("no_coverage") {
         println!("cargo:rustc-cfg=has_no_coverage");
     }
-    generate_self_schema()
+    generate_self_schema();
+    println!("cargo:rustc-env=PROFILE={}", std::env::var("PROFILE").unwrap());
 }
diff --git a/generate_self_schema.py b/generate_self_schema.py
index 255df73d7..6a7b77b72 100644
--- a/generate_self_schema.py
+++ b/generate_self_schema.py
@@ -11,7 +11,6 @@
 from collections.abc import Callable
 from datetime import date, datetime, time, timedelta
 from pathlib import Path
-from pprint import pformat
 from typing import TYPE_CHECKING, Any, Dict, ForwardRef, List, Type, Union
 
 from typing_extensions import get_args, is_typeddict
@@ -169,8 +168,7 @@ def main() -> None:
         'choices': choices,
     }
     python_code = (
-        f'# this file is auto-generated by generate_self_schema.py, DO NOT edit manually\n'
-        f'self_schema = {pformat(schema)}\n'
+        f'# this file is auto-generated by generate_self_schema.py, DO NOT edit manually\nself_schema = {schema}\n'
     )
     try:
         from black import Mode, TargetVersion, format_file_contents
diff --git a/pydantic_core/_pydantic_core.pyi b/pydantic_core/_pydantic_core.pyi
index 872c1a967..b7d8ff2dc 100644
--- a/pydantic_core/_pydantic_core.pyi
+++ b/pydantic_core/_pydantic_core.pyi
@@ -10,6 +10,7 @@ else:
 
 __all__ = '__version__', 'SchemaValidator', 'SchemaError', 'ValidationError', 'PydanticValueError'
 __version__: str
+build_profile: str
 
 class SchemaValidator:
     title: str
diff --git a/pyproject.toml b/pyproject.toml
index baee3c7e4..913f2cce9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,6 @@ Source = 'https://github.com/pydantic/pydantic-core'
 
 [tool.maturin]
 bindings = 'pyo3'
-sdist-include = ['src/self_schema.py']
 
 [tool.pytest.ini_options]
 testpaths = 'tests'
diff --git a/src/lib.rs b/src/lib.rs
index f5cf3bba4..82a222332 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -34,6 +34,7 @@ pub fn get_version() -> String {
 #[pymodule]
 fn _pydantic_core(_py: Python, m: &PyModule) -> PyResult<()> {
     m.add("__version__", get_version())?;
+    m.add("build_profile", env!("PROFILE"))?;
     m.add_class::<SchemaValidator>()?;
     m.add_class::<ValidationError>()?;
     m.add_class::<SchemaError>()?;
diff --git a/tests/test_misc.py b/tests/test_misc.py
index 4f8432899..9599c60ef 100644
--- a/tests/test_misc.py
+++ b/tests/test_misc.py
@@ -4,7 +4,7 @@
 
 import pytest
 
-from pydantic_core._pydantic_core import SchemaError, SchemaValidator, ValidationError, __version__
+from pydantic_core._pydantic_core import SchemaError, SchemaValidator, ValidationError, __version__, build_profile
 
 
 @pytest.mark.parametrize('obj', [ValidationError, SchemaValidator, SchemaError])
@@ -17,6 +17,10 @@ def test_version():
     assert '.' in __version__
 
 
+def test_build_profile():
+    assert build_profile in ('debug', 'release')
+
+
 def test_schema_error():
     err = SchemaError('test')
     assert isinstance(err, Exception)