From 50bbe4bc4c383c3f5370a90054b5043c02fc77b9 Mon Sep 17 00:00:00 2001
From: H2Sxxa <h2sxxa0w0@gmail.com>
Date: Thu, 21 Mar 2024 08:37:07 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20`Alias`=20Operation?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/saleyo/__init__.py           |  1 +
 src/saleyo/operation/__init__.py |  1 +
 src/saleyo/operation/modify.py   | 15 +++++++++++++++
 tests/modify_test.py             |  7 ++++---
 4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/saleyo/__init__.py b/src/saleyo/__init__.py
index 9c5affa..8fb6825 100644
--- a/src/saleyo/__init__.py
+++ b/src/saleyo/__init__.py
@@ -26,6 +26,7 @@
 from .operation import Post as Post
 from .operation import Del as Del
 from .operation import ReName as ReName
+from .operation import Alias as Alias
 from .base.toolchain import ToolChain as ToolChain
 from .base.toolchain import Arguments as Arguments
 from .base.toolchain import InvokeEvent as InvokeEvent
diff --git a/src/saleyo/operation/__init__.py b/src/saleyo/operation/__init__.py
index d3a8edd..d33475c 100644
--- a/src/saleyo/operation/__init__.py
+++ b/src/saleyo/operation/__init__.py
@@ -4,5 +4,6 @@
 from .intercept import Intercept as Intercept
 from .modify import ReName as ReName
 from .modify import Del as Del
+from .modify import Alias as Alias
 from .hook import Pre as Pre
 from .hook import Post as Post
diff --git a/src/saleyo/operation/modify.py b/src/saleyo/operation/modify.py
index 88a4bc8..0773d4a 100644
--- a/src/saleyo/operation/modify.py
+++ b/src/saleyo/operation/modify.py
@@ -29,3 +29,18 @@ class Del(MixinOperation[str]):
 
     def mixin(self, target: Type[Any], toolchain: ToolChain = ToolChain()) -> None:
         return toolchain.tool_delattr(target, self.argument)
+
+
+class Alias(MixinOperation[str]):
+    """will copy the `argument` to `alias`"""
+
+    alias: str
+
+    def __init__(self, argument: str, alias: str, level=1) -> None:
+        super().__init__(argument, level)
+        self.alias = alias
+
+    def mixin(self, target: Type[Any], toolchain: ToolChain = ToolChain()) -> None:
+        return toolchain.tool_setattr(
+            target, self.alias, toolchain.tool_getattr(target, self.argument)
+        )
diff --git a/tests/modify_test.py b/tests/modify_test.py
index e3e4315..4de6e2a 100644
--- a/tests/modify_test.py
+++ b/tests/modify_test.py
@@ -1,5 +1,6 @@
-from saleyo import ReName, GCToolChain
+from saleyo import Alias, GCToolChain
 
-ReName("upper", "lower").mixin(str, GCToolChain)
+Alias("upper", "do_upper").mixin(str, GCToolChain)
 
-print("Hello Saleyo!".lower())
+print("Hello Saleyo!".do_upper())
+print("Hello Saleyo!".upper())