From 22e9730763a5f789a5c0ce90a715de228f40fd32 Mon Sep 17 00:00:00 2001
From: "Wu, Zhenyu" <wuzhenyu@ustc.edu>
Date: Sun, 12 Jan 2025 14:42:05 +0800
Subject: [PATCH 1/2] Add rule python.cython

---
 xmake/rules/python/cython/xmake.lua | 62 +++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 xmake/rules/python/cython/xmake.lua

diff --git a/xmake/rules/python/cython/xmake.lua b/xmake/rules/python/cython/xmake.lua
new file mode 100644
index 00000000000..ff30dca8314
--- /dev/null
+++ b/xmake/rules/python/cython/xmake.lua
@@ -0,0 +1,62 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      Wu, Zhenyu
+-- @file        xmake.lua
+--
+
+rule("python.cython")
+    set_extensions(".py", ".pyx")
+    on_load(function(target)
+        local language = target:extraconf("rules", "python.cython", "language")
+        if language == "c" then
+            target:add("deps", "c")
+        elseif language == "c++" then
+            target:add("deps", "c++")
+        end
+    end)
+    before_buildcmd_file(function(target, batchcmds, sourcefile, opt)
+        import("lib.detect.find_tool")
+        local language = target:extraconf("rules", "python.cython", "language")
+        local ext
+        local arg = "-3"
+        if language == "c" then
+            ext = "c"
+        elseif language == "c++" then
+            ext = "cc"
+            arg = arg .. "+"
+        end
+        local dirname = path.join(target:autogendir(), "rules", "python", "cython")
+        local sourcefile_c = path.join(dirname, path.basename(sourcefile) .. "." .. ext)
+
+        -- add objectfile
+        local objectfile = target:objectfile(sourcefile_c)
+        table.insert(target:objectfiles(), objectfile)
+
+        -- add commands
+        batchcmds:show_progress(opt.progress, "${color.build.object}compiling.python %s", sourcefile)
+        batchcmds:mkdir(path.directory(sourcefile_c))
+        local cython = find_tool("cython")
+        assert(cython, "cython not found! please `pip install cython`.")
+        batchcmds:vrunv(cython.program,
+            { arg, "-o", path(sourcefile_c), path(sourcefile) })
+        batchcmds:compile(sourcefile_c, objectfile)
+
+        -- add deps
+        batchcmds:add_depfiles(sourcefile)
+        batchcmds:set_depmtime(os.mtime(objectfile))
+        batchcmds:set_depcache(target:dependfile(objectfile))
+    end)

From 92cdead5168644f10951fb9028af5491920b019c Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 16 Jan 2025 22:15:16 +0800
Subject: [PATCH 2/2] Update xmake.lua

---
 xmake/rules/python/cython/xmake.lua | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/xmake/rules/python/cython/xmake.lua b/xmake/rules/python/cython/xmake.lua
index ff30dca8314..a6d8c328158 100644
--- a/xmake/rules/python/cython/xmake.lua
+++ b/xmake/rules/python/cython/xmake.lua
@@ -20,7 +20,8 @@
 
 rule("python.cython")
     set_extensions(".py", ".pyx")
-    on_load(function(target)
+
+    on_load(function (target)
         local language = target:extraconf("rules", "python.cython", "language")
         if language == "c" then
             target:add("deps", "c")
@@ -28,8 +29,11 @@ rule("python.cython")
             target:add("deps", "c++")
         end
     end)
-    before_buildcmd_file(function(target, batchcmds, sourcefile, opt)
+
+    before_buildcmd_file(function (target, batchcmds, sourcefile, opt)
         import("lib.detect.find_tool")
+
+        local cython = assert(find_tool("cython"), "cython not found! please `pip install cython`.")
         local language = target:extraconf("rules", "python.cython", "language")
         local ext
         local arg = "-3"
@@ -49,10 +53,7 @@ rule("python.cython")
         -- add commands
         batchcmds:show_progress(opt.progress, "${color.build.object}compiling.python %s", sourcefile)
         batchcmds:mkdir(path.directory(sourcefile_c))
-        local cython = find_tool("cython")
-        assert(cython, "cython not found! please `pip install cython`.")
-        batchcmds:vrunv(cython.program,
-            { arg, "-o", path(sourcefile_c), path(sourcefile) })
+        batchcmds:vrunv(cython.program, {arg, "-o", path(sourcefile_c), path(sourcefile)})
         batchcmds:compile(sourcefile_c, objectfile)
 
         -- add deps