Run a batched animation render acrosss multiple blender files

batch.py

from os import mkdir
from os.path import exists, join
from subprocess import Popen
 
 
blender = 'c:\\Program Files\\Blender Foundation\\Blender\\Blender.exe'
#blender = '/Applications/Blender/blender.app/Contents/MacOS/blender'
 
filepath = 'c:\\Users\\studio\\Dropbox\\files\\'
#filepath = '/Users/mark/Dropbox/files/'
 
output = 'c:\\Users\\studio\\Dropbox\\results\\batch\\'
#output = '/Users/mark/Dropbox/results/batch/'
 
files = [
    'file-a.blend',
    'file-b.blend',
    'file-c.blend',
]
 
def setup(config, index):
    config.update({
        'blender':blender, 
        'filepath':filepath,
        'output': output,
        'dir':'render-part-%s' % index,
        'target': 'Scene'
    })
    
    outputpath = join(config['output'],config['dir'])
    if not exists(outputpath):
        mkdir(outputpath)
    config['outputpath'] = outputpath
    
    return config
 
# actual handywork
jobs = [
    {'file':files[0], 'start':2000, 'end':2002, },
    {'file':files[1], 'start':2000, 'end':2002, },
    {'file':files[0], 'start':4000, 'end':4002, },
    {'file':files[1], 'start':4000, 'end':4002, }
]
 
cmd = '{blender} -b {filepath}{file} -x 1 -o {outputpath}\ -F PNG -s {start} -e {end} -S {target} -a'
 
idx = 0
for job in jobs:
    p = Popen( cmd.format(**setup(job, idx)).split(' ') )
    p.wait()
 
    idx += 1