Pycad

from pycad.runtime import *
from pycad.system import *

@command()
def test(doc)
    print("hello world")

@command()
def test2(doc):   
    print "the type is :" , type(doc)
    print "the dwg name is :" , doc.Name
    args=dir(doc)
    for val in args:
         print "the doc object has method or propertyname is :", val

"acap": "Autodesk.AutoCAD.ApplicationServices",
"acdb": "Autodesk.AutoCAD.DatabaseServices",
"aced": "Autodesk.AutoCAD.EditorInput",
"acge": "Autodesk.AutoCAD.Geometry",
"acrx": "Autodesk.AutoCAD.Runtime",
"acws": "Autodesk.AutoCAD.Windows",
"acgi": "Autodesk.AutoCAD.GraphicsInterface",
"acgs": "Autodesk.AutoCAD.GraphicsSystem",
"acin": "Autodesk.AutoCAD.Internal",
"acps": "Autodesk.AutoCAD.PlottingServices",
"acco": "Autodesk.AutoCAD.Colors",

@command()
def enttest(doc):
    with  dbtrans(doc) as tr:
        btr=tr.opencurrspace()  #这里默认只读打开，.netapi推荐对象打开先以读打开以节省资源，再需要写入时提权

        #创建点
        point=acdb.DBPoint(acge.Point3d(2,2,0))
        tr.addentity(btr,point)  #addentity会将btr提权为写打开，并将对象加入数据库

        #创建直线 第一个参数：起点  第二个参数：终点
        line=acdb.Line(acge.Point3d(2,2,0),acge.Point3d(4,5,1)) 
        tr.addentity(btr,line)

        #创建圆形 第一个参数:起点 第二个参数:投影向量，第三个参数:半径
        c1=acdb.Circle(acge.Point3d(10,10,0),acge.Vector3d(0,0,1),1)  # z轴投影
        c2=acdb.Circle(acge.Point3d(20,20,0),acge.Vector3d(0,1,0),2)  # y轴投影
        c3=acdb.Circle(acge.Point3d(30,30,0),acge.Vector3d(1,0,0),3)  # x轴投影
        tr.addentity(btr,c1,c2,c3) #or: tr.addentity(btr, *(c1,c2,c3))


        #创建多段线
        pl=acdb.Polyline()
        pl.AddVertexAt(0,acge.Point2d(0,0),0,0,0) #添加顶点
        pl.AddVertexAt(1,acge.Point2d(0,1),0,0,0)
        pl.AddVertexAt(2,acge.Point2d(1,1),0,0,0)
        pl.AddVertexAt(3,acge.Point2d(1,0),0,0,0)
        pl.Closed=True                            #是否闭合
        tr.addentity(btr,pl)

        #创建弧线 第一个参数：弧的圆心 第二个参数：半径 第三个参数： 起点角度 第四个参数：终点角度
        arc=acdb.Arc(acge.Point3d(10,0,0),3,math.pi*0.5,math.pi*1.25)
        tr.addentity(btr,arc)

    @command()
    def createlayer(doc):
        LayerName="MyLayer"
        with dbtrans(doc) as tr:
            tr.addlayer(LayerName)
        print("\n创建{0}图层成功".format(LayerName))

@command()
def cl1(doc):
    LayerName="MyLayer2"
    with dbtrans(doc) as tr:
        tr.addlayer(LayerName,acco.Color().FromColorIndex(acco.ColorMethod.ByLayer,2))               
    print("\n创建{0}图层成功".format(LayerName))

@command() #修改图层属性
def ModifyLayer(doc): 
    res=edx.entsel("\n选择要修改的图形：")
    if not res.ok(): return
    with dbtrans(doc) as tr:
        ent=tr.getobject(res.ObjectId)  
        ltr=tr.getobject(res.LayerId,acdb.OpenMode.ForWrite) #获取LayerTableRecord表记录
        ltr.IsFrozen=True   #冻结图层
        ltr.IsLocked=True   #锁定图层
        print("\n{0}图层已经冻结和锁定".format(ent2.Layer))

    @command()
    def cl1(): #这里缺少参数doc，正确写法为 def cl1(doc)