camRot.py

import math
import bpy

#Duplicate the 'guideCam' X times, rotate as needed to keep focus on origin
#Usage "blender -b model.blend -P rotateCam.py"

selectCamera = "guideCam"
initial = 25
divBy = 8

rotAroundX = 0
rotAroundY = 0

scn = bpy.context.scene
srcCam = bpy.data.objects[selectCamera]

initX = srcCam.location.x
initY = srcCam.location.y

maxRads = 6.28318530718

for i in range(0, divBy):
    rot = (maxRads / divBy) * i

    setX = rotAroundX + math.cos(rot) * (initX - rotAroundX) - math.sin(rot) * (initY - rotAroundY)
    setY = rotAroundY + math.sin(rot) * (initX - rotAroundX) + math.cos(rot) * (initY - rotAroundY)

    newCam = srcCam.copy()
    newCam.name = "cam" + str(chr(65 + i))
    newCam.location.x = setX
    newCam.location.y = setY
    newRot = srcCam.rotation_euler[2] + rot
    if newRot > maxRads:
        newRot -= maxRads

    newCam.rotation_euler[2]  = newRot
    scn.objects.link(newCam)

bpy.ops.wm.save_as_mainfile(filepath=bpy.data.filepath)