Introducing LunaBuild to the build flow (#36)

[lunaix-os.git] / lunaix-os / scripts / build-tools / lib / sandbox.py

diff --git a/lunaix-os/scripts/build-tools/lib/sandbox.py b/lunaix-os/scripts/build-tools/lib/sandbox.py
new file mode 100644 (file)
index 0000000..de28aca
--- /dev/null
+++ b/lunaix-os/scripts/build-tools/lib/sandbox.py
@@ -0,0 +1,32 @@
+import traceback, sys
+
+class InterpreterException(Exception):
+    pass
+
+class Sandbox:
+    def __init__(self, symbols) -> None:
+        self.__syms = globals()
+        self.__syms.update(symbols)
+
+    def execute(self, file):
+        with open(file) as f:
+            return self.executes(f.read(), file)
+    
+    def executes(self, str, file=""):
+        try:
+            local_ctx = {}
+            glb_ctx = self.__syms.copy()
+            exec(str, glb_ctx, local_ctx)
+            return local_ctx
+        except SyntaxError as err:
+            error_class = err.__class__.__name__
+            detail = err.args[0]
+            line_number = err.lineno
+        except Exception as err:
+            error_class = err.__class__.__name__
+            detail = err.args[0]
+            cl, exc, tb = sys.exc_info()
+            line_number = traceback.extract_tb(tb)[1][1]
+
+        print(f"LunaBuild failed: {error_class} at ./{file}:{line_number}, {detail}")
+        raise InterpreterException("load error")
\ No newline at end of file