command = "ffmpeg -i "concat:1.ts|2.ts" -vcodec copy -acodec copy temp.mp4"

output,error = subprocess.Popen(command, universal_newlines=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE).communicate()

command = ["ffmpeg", "-i", "concat:1.ts|2.ts", "-vcodec", "copy",
           "-acodec", "copy", "temp.mp4"]
output,error  = subprocess.Popen(
                    command, universal_newlines=True,
                    stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()

command = 'ffmpeg -i "concat:1.ts|2.ts" -vcodec copy -acodec copy temp.mp4'
output,error  = subprocess.Popen(
                    command, universal_newlines=True, shell=True,
                    stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()

#!/usr/bin/python
import subprocess

command = 'php -r "echo gethostname();"'
p = subprocess.Popen(command, universal_newlines=True, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
text = p.stdout.read()
retcode = p.wait()
print text

python test.py

apollo

ffmpeg -i "concat:1.ts|2.ts" -vcodec copy -acodec copy temp.mp4

import subprocess; subprocess.call(`./script.sh`; shell=True)