feat(python): move python codes.

1 files changed, 60 insertions, 0 deletions

diff --git a/python/cru/__init__.py b/python/cru/__init__.py
new file mode 100644
index 0000000..17799a9
--- /dev/null
+++ b/python/cru/__init__.py
@@ -0,0 +1,60 @@
+import sys
+
+from ._base import CRU, CruNamespaceError, CRU_NAME_PREFIXES
+from ._error import (
+    CruException,
+    CruLogicError,
+    CruInternalError,
+    CruUnreachableError,
+    cru_unreachable,
+)
+from ._const import (
+    CruConstantBase,
+    CruDontChange,
+    CruNotFound,
+    CruNoValue,
+    CruPlaceholder,
+    CruUseDefault,
+)
+from ._func import CruFunction
+from ._iter import CruIterable, CruIterator
+from ._event import CruEvent, CruEventHandlerToken
+from ._type import CruTypeSet, CruTypeCheckError
+
+
+class CruInitError(CruException):
+    pass
+
+
+def check_python_version(required_version=(3, 11)):
+    if sys.version_info < required_version:
+        raise CruInitError(f"Python version must be >= {required_version}!")
+
+
+check_python_version()
+
+__all__ = [
+    "CRU",
+    "CruNamespaceError",
+    "CRU_NAME_PREFIXES",
+    "check_python_version",
+    "CruException",
+    "CruInternalError",
+    "CruLogicError",
+    "CruUnreachableError",
+    "cru_unreachable",
+    "CruInitError",
+    "CruConstantBase",
+    "CruDontChange",
+    "CruNotFound",
+    "CruNoValue",
+    "CruPlaceholder",
+    "CruUseDefault",
+    "CruFunction",
+    "CruIterable",
+    "CruIterator",
+    "CruEvent",
+    "CruEventHandlerToken",
+    "CruTypeSet",
+    "CruTypeCheckError",
+]