Maya命令行脚本

作为TD掌握命令行后台处理问题是及其重要的一项技能，大部分可执行程序都提供命令行执行参数，以便让计算机完成一些自动化工作。

• mayapy
• mayabatch
• maya
• render
• kick（arnold）

通过-h标签查看命令行各参数作用以及后台命令工作原理。

"C:\Program Files\Autodesk\Maya2016\bin\mayapy.exe" -h
"C:\Program Files\Autodesk\Maya2018\bin\maya.exe" -h
"C:\Program Files\Autodesk\Maya2018\bin\mayabatch.exe" -h
"C:\Program Files\Autodesk\Maya2018\bin\Render.exe" -h

mayapy后面可以接.py文件运行，然后通过sys.argv来获取额外参数，比如写一个testMayapy.py，内容如下

import sys
print(sys.argv)

模块文件后面跟的额外参数会以字符串的形式通过sys.argv打包成列表，这样我们可以传入一个Maya文件来分析贴图数据，效果是这样的，在命令行窗口检测Maya文件贴图数据是否丢失工具，打开命令行命令，输入

"C:\Program Files\Autodesk\Maya2016\bin\mayapy.exe" D:\centralizeTools\maya\env\2018\scripts\checkTools\relationship_check.py Z:\YYDTENN\Production\Department\LGT\EP01\sc006\YY_CG_sc006_lgt_color_v001_01.ma

在使用mayapy.exe的时候，一定要将maya.standalone初始化。

import maya.standalone

maya.standalone.initialize()

# ----------------
# main function
# ----------------

maya.standalone.uninitialize()

#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
This standalone maya script can be check out reference & texture relationship
"""

import os
import sys
import logging
import maya.standalone
import maya.cmds as cmds
maya.standalone.initialize()

# logging.basicConfig(level=logging.WARNING, format="\nandy%(asctime)s - %(levelname)s - %(message)s\n")
logging.basicConfig(format="%(asctime)s %(levelname)-8s %(message)s",
                    level=logging.WARNING, datefmt="%Y-%m-%d %H:%M:%S")


def main(check_maya_file):
    """
    """
    if not os.path.isfile(check_maya_file):
        logging.warning("Failed because Maya file was not found! - %s" % check_maya_file)

    logging.info("START CHECK - %s" % check_maya_file)
    cmds.file(check_maya_file, open=True, pmt=False)
    logging.info("# Maya Version : %s" % cmds.about(v=True))
    # logging.info("# Arnold Version : %s" % cmds.pluginInfo("mtoa", q=True, v=True))

    # Check reference relationship
    for ref in cmds.file(q=True, r=True):
        refNode = cmds.referenceQuery(ref, referenceNode=True)
        logging.info("Check reference : %s" % refNode)
        # referenced_file = cmds.referenceQuery(reference, f=True, wcn=True)
        logging.info("Check reference path - %s" % ref)

        if not os.path.isfile(ref):
            logging.error("[!] The reference was not exists! : %s" % ref)

        if not cmds.referenceQuery(refNode, isLoaded=True):
            logging.error("[!] The reference was not loaded! : %s" % refNode)

        logging.info("> Check OK .")

    # Try to get "PROJECTWORKS" environment variable
    projectworks = os.environ.get("PROJECTWORKS", 0)

    if not projectworks:
        logging.error("The environment variable - \"PROJECTWORKS\" is undefined! Please to check out Maya.env file.")

    # Check texture file
    for texture in cmds.ls(type="file"):
        logging.info("Check Textures - %s" % texture)
        tex_name = cmds.getAttr(texture + ".fileTextureName")

        if not tex_name:
            logging.warning("The %s is no texture." % texture)
            continue

        logging.info("Check Texture Path - %s" % tex_name)

        if tex_name.startswith("$"):
            replace_name = tex_name.replace("$PROJECTWORKS", projectworks)
            tex_name = replace_name
        if not os.path.isfile(tex_name):
            logging.warning("The texture was not found! - %s" % tex_name)


if __name__ == "__main__":
    main(sys.argv[1])

参考文档：

• http://help.autodesk.com/view/MAYAUL/2020/ENU/