How to get ps to print group?

This gives similar output to ps -ef but adds the effective group name.

ps -eO user,group,ppid,c,start_time

(That flag is a capital O.)

ps ax o user,pid,group,gid,%cpu,%mem,vsz,rss,tty,stat,start,time,comm,args=ARGS

To print the full command e.g python script.py --env LOCAL

You can specify the desired format:

   o format
          Specify user-defined format.  Identical to -o and --format.

For example, saying:

ps o pid,group

would print pid and group.

Saying:

ps o pid,group,gid

would print pid, group and group ID.

As per your comment, the following might work for you:

ps o user,pid,%cpu,%mem,vsz,rss,tty,stat,start,time,comm,group,gid

To see all processes:

ps ax o user,pid,%cpu,%mem,vsz,rss,tty,stat,start,time,comm,group,gid

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