Add 1-cython-access-gdextension test case

Author: touilleMan

tests/1-cython-access-gdextension/.godot/.gdignore

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+

tests/1-cython-access-gdextension/.godot/extension_list.cfg

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+res://pythonscript.gdextension
+res://my.gdextension

tests/1-cython-access-gdextension/build.py

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+import platform
+from pathlib import Path
+import subprocess
+import shutil
+
+
+PROJECT_DIR = Path(__file__).resolve().parent
+
+if platform.system() == "Windows":
+    python_path = PROJECT_DIR / "addons/pythonscript/windows-x86_64/python.exe"
+    lib_pattern = "my.*.pyd"
+elif platform.system() == "Darwin":
+    python_path = PROJECT_DIR / "addons/pythonscript/macos-x86_64/bin/python"
+    lib_pattern = "my.*.dylib"
+else:
+    assert platform.system() == "Linux"
+    python_path = PROJECT_DIR / "addons/pythonscript/linux-x86_64/bin/python"
+    lib_pattern = "my.*.so"
+
+cmd = [str(python_path), "setup.py", "build_ext", "--build-lib", str(PROJECT_DIR)]
+print(" ".join(cmd))
+subprocess.check_call(cmd, cwd=PROJECT_DIR)
+
+# Finally remove the platform info from the shared library, this is to avoid
+# annoying update everytime we change CPython embedded version
+
+lib_candidates = list(PROJECT_DIR.glob(lib_pattern))
+assert len(lib_candidates) == 1, lib_candidates
+lib = lib_candidates[0]
+lib_new_name = f"my{lib.suffix}"
+print(f"rename {lib.name} -> {lib_new_name}")
+shutil.move(lib, lib.parent / lib_new_name)

tests/1-cython-access-gdextension/main.gd

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+const PROJECT_SETTING_NAME = "my/result"
+
+func _ready():
+	# The Cython gdextension module should have created this project setting
+	var project_setting_value = ProjectSettings.get_setting(PROJECT_SETTING_NAME)
+	if project_setting_value != "all_good":
+		printerr("Missing/invalid project setting `{}`".format(project_setting_value))
+		self.get_tree().quit(2)
+	else:
+		self.get_tree().quit(0)

tests/1-cython-access-gdextension/main.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://2mikyvxkygni"]
+
+[ext_resource type="Script" path="res://main.gd" id="1_2fqr4"]
+
+[node name="Node" type="Node"]
+script = ExtResource("1_2fqr4")

tests/1-cython-access-gdextension/my.gdextension

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+[configuration]
+
+entry_symbol = "my_init"
+
+[libraries]
+
+linux.64="res://my.so"
+linux.32="res://my.so"
+windows.64="res://my.pyd"
+windows.32="res://my.pyd"
+macos.64="res://my.dylib"

tests/1-cython-access-gdextension/my.pyx

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+# cython: language_level=3
+
+from godot.hazmat.gdapi cimport *
+
+
+cdef public void _my_initialize(void *userdata, GDExtensionInitializationLevel p_level) with gil:
+    print("==> _initialize")
+
+
+cdef extern void _my_deinitialize(void *userdata, GDExtensionInitializationLevel p_level) with gil:
+    print("==> _deinitialize")
+
+
+cdef extern GDExtensionBool _my_init(
+    const GDExtensionInterface *p_interface,
+    const GDExtensionClassLibraryPtr p_library,
+    GDExtensionInitialization *r_initialization
+) nogil:
+    # print("==> _my_init")
+    r_initialization.minimum_initialization_level  = GDEXTENSION_INITIALIZATION_SERVERS
+    r_initialization.userdata = NULL
+    r_initialization.initialize = _my_initialize
+    r_initialization.deinitialize = _my_deinitialize
+    return True
+
+
+cdef extern from * nogil:
+    """
+    #include <godot/gdextension_interface.h>
+    #ifdef _WIN32
+    # define DLL_EXPORT __declspec(dllexport)
+    #else
+    # define DLL_EXPORT
+    #endif
+
+    GDExtensionBool _my_init(const GDExtensionInterface *, const GDExtensionClassLibraryPtr, GDExtensionInitialization *);
+    DLL_EXPORT GDExtensionBool my_init(
+        const GDExtensionInterface *p_interface,
+        const GDExtensionClassLibraryPtr p_library,
+        GDExtensionInitialization *r_initialization
+    ) {
+        return _my_init(p_interface, p_library, r_initialization);
+    }
+    """

tests/1-cython-access-gdextension/project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+run/main_scene="res://main.tscn"
+config/features=PackedStringArray("4.0")
+name="1-gdextension"
+main_scene="res://main.tscn"
+
+[python_script]
+
+io_streams_capture=false
+verbose=true

tests/1-cython-access-gdextension/pyproject.toml

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+[build-system]
+requires = ["setuptools", "wheel", "Cython"]

tests/1-cython-access-gdextension/pythonscript.gdextension

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+[configuration]
+
+entry_symbol = "pythonscript_init"
+
+[libraries]
+
+linux.64="res://addons/pythonscript/linux-x86_64/libpythonscript.so"
+linux.32="res://addons/pythonscript/linux-x86/libpythonscript.so"
+windows.64="res://addons/pythonscript/windows-x86_64/pythonscript.dll"
+windows.32="res://addons/pythonscript/windows-x86/pythonscript.dll"
+macos.64="res://addons/pythonscript/macos-x86_64/libpythonscript.dylib"