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|
#!BPY
"""
Name: 'Background Job Example'
Blender: 248
Group: 'ScriptTemplate'
Tooltip: 'Script template for automating tasks from the command line with blender'
"""
from Blender import Window
import bpy
script_data = \
'''# This script is an example of how you can run blender from the command line (in background mode with no interface)
# to automate tasks, in this example it creates a text object, camera and light, then renders and/or saves it.
# This example also shows how you can parse command line options to python scripts.
#
# Example usage for this test.
# blender -b -P $HOME/background_job.py -- --text="Hello World" --render="/tmp/hello" --save="/tmp/hello.blend"
#
# Notice all python args are after the '--' argument.
import Blender
import bpy
def example_function(body_text, save_path, render_path):
sce= bpy.data.scenes.active
txt_data= bpy.data.curves.new('MyText', 'Text3d')
# Text Object
txt_ob = sce.objects.new(txt_data) # add the data to the scene as an object
txt_data.setText(body_text) # set the body text to the command line arg given
txt_data.setAlignment(Blender.Text3d.MIDDLE)# center text
# Camera
cam_data= bpy.data.cameras.new('MyCam') # create new camera data
cam_ob= sce.objects.new(cam_data) # add the camera data to the scene (creating a new object)
sce.objects.camera= cam_ob # set the active camera
cam_ob.loc= 0,0,10
# Lamp
lamp_data= bpy.data.lamps.new('MyLamp')
lamp_ob= sce.objects.new(lamp_data)
lamp_ob.loc= 2,2,5
if save_path:
try:
f= open(save_path, 'w')
f.close()
ok= True
except:
print 'Cannot save to path "%s"' % save_path
ok= False
if ok:
Blender.Save(save_path, 1)
if render_path:
render= sce.render
render.extensions= True
render.renderPath = render_path
render.sFrame= 1
render.eFrame= 1
render.renderAnim()
import sys # to get command line args
import optparse # to parse options for us and print a nice help message
script_name= 'background_job.py'
def main():
# get the args passed to blender after "--", all of which are ignored by blender specifically
# so python may receive its own arguments
argv= sys.argv
if '--' not in argv:
argv = [] # as if no args are passed
else:
argv = argv[argv.index('--')+1: ] # get all args after "--"
# When --help or no args are given, print this help
usage_text = 'Run blender in background mode with this script:\n'
usage_text += ' blender -b -P ' + script_name + ' -- [options]'
parser = optparse.OptionParser(usage = usage_text)
# Example background utility, add some text and renders or saves it (with options)
# Possible types are: string, int, long, choice, float and complex.
parser.add_option('-t', '--text', dest='body_text', help='This text will be used to render an image', type='string')
parser.add_option('-s', '--save', dest='save_path', help='Save the generated file to the specified path', metavar='FILE')
parser.add_option('-r', '--render', dest='render_path', help='Render an image to the specified path', metavar='FILE')
options, args = parser.parse_args(argv) # In this example we wont use the args
if not argv:
parser.print_help()
return
if not options.body_text:
print 'Error: --text="some string" argument not given, aborting.\n'
parser.print_help()
return
# Run the example function
example_function(options.body_text, options.save_path, options.render_path)
print 'batch job finished, exiting'
if __name__ == '__main__':
main()
'''
new_text = bpy.data.texts.new('background_job.py')
new_text.write(script_data)
bpy.data.texts.active = new_text
Window.RedrawAll()
|
