diff --git a/CHANGELOGS.rst b/CHANGELOGS.rst
index 441a140..9fb4ed8 100644
--- a/CHANGELOGS.rst
+++ b/CHANGELOGS.rst
@@ -4,6 +4,7 @@ Change Logs
 0.1.3
 +++++
 
+* :pr:`49`: adds command line to export a model into code
 * :pr:`48`: support for subgraph in light API
 * :pr:`47`: extends export onnx to code to support inner API
 * :pr:`46`: adds an export to convert an onnx graph into light API code
diff --git a/_unittests/ut_xrun_doc/test_command_lines1.py b/_unittests/ut_xrun_doc/test_command_lines1.py
new file mode 100644
index 0000000..8aa17ee
--- /dev/null
+++ b/_unittests/ut_xrun_doc/test_command_lines1.py
@@ -0,0 +1,75 @@
+import os
+import tempfile
+import unittest
+from contextlib import redirect_stdout
+from io import StringIO
+from onnx import TensorProto
+from onnx.helper import (
+    make_graph,
+    make_model,
+    make_node,
+    make_opsetid,
+    make_tensor_value_info,
+)
+from onnx_array_api.ext_test_case import ExtTestCase
+from onnx_array_api._command_lines_parser import (
+    get_main_parser,
+    get_parser_translate,
+    main,
+)
+
+
+class TestCommandLines1(ExtTestCase):
+    def test_main_parser(self):
+        st = StringIO()
+        with redirect_stdout(st):
+            get_main_parser().print_help()
+        text = st.getvalue()
+        self.assertIn("translate", text)
+
+    def test_parser_translate(self):
+        st = StringIO()
+        with redirect_stdout(st):
+            get_parser_translate().print_help()
+        text = st.getvalue()
+        self.assertIn("model", text)
+
+    def test_command_translate(self):
+        X = make_tensor_value_info("X", TensorProto.FLOAT, [None, None])
+        Y = make_tensor_value_info("Y", TensorProto.FLOAT, [5, 6])
+        Z = make_tensor_value_info("Z", TensorProto.FLOAT, [None, None])
+        graph = make_graph(
+            [
+                make_node("Add", ["X", "Y"], ["res"]),
+                make_node("Cos", ["res"], ["Z"]),
+            ],
+            "g",
+            [X, Y],
+            [Z],
+        )
+        onnx_model = make_model(graph, opset_imports=[make_opsetid("", 18)])
+
+        with tempfile.TemporaryDirectory() as root:
+            model_file = os.path.join(root, "model.onnx")
+            with open(model_file, "wb") as f:
+                f.write(onnx_model.SerializeToString())
+
+            args = ["translate", "-m", model_file]
+            st = StringIO()
+            with redirect_stdout(st):
+                main(args)
+
+            code = st.getvalue()
+            self.assertIn("model = make_model(", code)
+
+            args = ["translate", "-m", model_file, "-a", "light"]
+            st = StringIO()
+            with redirect_stdout(st):
+                main(args)
+
+            code = st.getvalue()
+            self.assertIn("start(opset=", code)
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)
diff --git a/onnx_array_api/__main__.py b/onnx_array_api/__main__.py
new file mode 100644
index 0000000..1fb5c0c
--- /dev/null
+++ b/onnx_array_api/__main__.py
@@ -0,0 +1,4 @@
+from ._command_lines_parser import main
+
+if __name__ == "__main__":
+    main()
diff --git a/onnx_array_api/_command_lines_parser.py b/onnx_array_api/_command_lines_parser.py
new file mode 100644
index 0000000..3860f18
--- /dev/null
+++ b/onnx_array_api/_command_lines_parser.py
@@ -0,0 +1,94 @@
+import sys
+import onnx
+from typing import Any, List, Optional
+from argparse import ArgumentParser
+from textwrap import dedent
+
+
+def get_main_parser() -> ArgumentParser:
+    parser = ArgumentParser(
+        prog="onnx-array-api",
+        description="onnx-array-api main command line.",
+        epilog="Type 'python -m onnx_array_api <cmd> --help' "
+        "to get help for a specific command.",
+    )
+    parser.add_argument(
+        "cmd",
+        choices=["translate"],
+        help=dedent(
+            """
+        Selects a command.
+        
+        'translate' exports an onnx graph into a piece of code replicating it.
+        """
+        ),
+    )
+    return parser
+
+
+def get_parser_translate() -> ArgumentParser:
+    parser = ArgumentParser(
+        prog="translate",
+        description=dedent(
+            """
+        Translates an onnx model into a piece of code to replicate it.
+        The result is printed on the standard output.
+        """
+        ),
+        epilog="This is mostly used to write unit tests without adding "
+        "an onnx file to the repository.",
+    )
+    parser.add_argument(
+        "-m",
+        "--model",
+        type=str,
+        required=True,
+        help="onnx model to translate",
+    )
+    parser.add_argument(
+        "-a",
+        "--api",
+        choices=["onnx", "light"],
+        default="onnx",
+        help="API to choose, API from onnx package or light API.",
+    )
+    return parser
+
+
+def _cmd_translate(argv: List[Any]):
+    from .light_api import translate
+
+    parser = get_parser_translate()
+    args = parser.parse_args(argv[1:])
+    onx = onnx.load(args.model)
+    code = translate(onx, api=args.api)
+    print(code)
+
+
+def main(argv: Optional[List[Any]] = None):
+    fcts = dict(translate=_cmd_translate)
+
+    if argv is None:
+        argv = sys.argv[1:]
+    if (len(argv) <= 1 and argv[0] not in fcts) or argv[-1] in ("--help", "-h"):
+        if len(argv) < 2:
+            parser = get_main_parser()
+            parser.parse_args(argv)
+        else:
+            parsers = dict(translate=get_parser_translate)
+            cmd = argv[0]
+            if cmd not in parsers:
+                raise ValueError(
+                    f"Unknown command {cmd!r}, it should be in {list(sorted(parsers))}."
+                )
+            parser = parsers[cmd]()
+            parser.parse_args(argv[1:])
+        raise RuntimeError("The programme should have exited before.")
+
+    cmd = argv[0]
+    if cmd in fcts:
+        fcts[cmd](argv)
+    else:
+        raise ValueError(
+            f"Unknown command {cmd!r}, use --help to get the list of known command."
+        )

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