chore: import upstream snapshot with attribution

openfunctions/utils/python_parser.py

@@ -0,0 +1,50 @@
+import ast
+
+def process_ast_node(node):
+    # Check if the node is a function call
+    if isinstance(node, ast.Call):
+        # Return a string representation of the function call
+        return ast.unparse(node) 
+    else:
+        # Convert the node to source code and evaluate to get the value
+        node_str = ast.unparse(node)
+        return eval(node_str)
+
+        
+def parse_python_function_call(call_str):
+    tree = ast.parse(call_str)
+    expr = tree.body[0]
+
+    call_node = expr.value
+    function_name = (
+        call_node.func.id
+        if isinstance(call_node.func, ast.Name)
+        else str(call_node.func)
+    )
+
+    parameters = {}
+    noNameParam = []
+
+    # Process positional arguments
+    for arg in call_node.args:
+        noNameParam.append(process_ast_node(arg))
+
+    # Process keyword arguments
+    for kw in call_node.keywords:
+        parameters[kw.arg] = process_ast_node(kw.value)
+
+    if noNameParam:
+        parameters["None"] = noNameParam
+        
+    function_dict = {"name": function_name, "arguments": parameters}
+    return function_dict
+
+if __name__ == "__main__":
+    call_str = "func(1, [1, 2], 3, a=4, b=5)"
+    print(parse_python_function_call(call_str))
+
+    call_str = "func('cde', x=1, b='2', c=[1, 2, {'a': 1, 'b': 2}])"
+    print(parse_python_function_call(call_str))
+
+    call_str = "get_current_weather(location='Boston, MA', api_key=123456789, unit='fahrenheit')"
+    print(parse_python_function_call(call_str))