Thanks mike, the idea that maybe some of the info isn't being passed is certainly interesting.
Here's the output of os.environ and sys.argv: ty...@surak:~$ cat environ {'XAUTHORITY': '/home/tyler/.Xauthority', 'GNOME_DESKTOP_SESSION_ID': 'this-is-deprecated', 'ORBIT_SOCKETDIR': '/tmp/orbit-tyler', 'LESSOPEN': '| /usr/bin/lesspipe %s', 'LOGNAME': 'tyler', 'USER': 'tyler', 'PATH': '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games', 'HOME': '/home/tyler', 'WINDOWPATH': '7', 'SSH_AGENT_PID': '3235', 'LANG': 'en_CA.UTF-8', 'TERM': 'xterm', 'SHELL': '/bin/bash', 'XDG_SESSION_COOKIE': 'c40b96e13a53e01daf91b3c24a37cc3f-1245418411.623618-1455422513', 'SESSION_MANAGER': 'local/Surak:/tmp/.ICE-unix/3078', 'SHLVL': '1', 'DISPLAY': ':0.0', 'WINDOWID': '62914615', 'COLUMNS': '80', 'GPG_AGENT_INFO': '/tmp/seahorse-WkObD8/S.gpg-agent:3260:1', 'USERNAME': 'tyler', 'GDM_XSERVER_LOCATION': 'local', 'GTK_RC_FILES': '/etc/gtk/gtkrc:/home/tyler/.gtkrc-1.2-gnome2', 'LINES': '24', 'SSH_AUTH_SOCK': '/tmp/keyring-glzV2L/socket.ssh', 'DESKTOP_SESSION': 'default', 'GDMSESSION': 'default', 'DBUS_SESSION_BUS_ADDRESS': 'unix:abstract=/tmp/dbus-HXzG5Pt75p,guid=9fc00f8a914d6f800340ca634a3b93ac', '_': '/usr/bin/python', 'GTK_MODULES': 'canberra-gtk-module', 'GNOME_KEYRING_SOCKET': '/tmp/keyring-glzV2L/socket', 'LESSCLOSE': '/usr/bin/lesspipe %s %s', 'GNOME_KEYRING_PID': '3065', '__GL_YIELD': 'NOTHING', 'GDM_LANG': 'en_CA.UTF-8', 'HISTCONTROL': 'ignoreboth', 'XDG_DATA_DIRS': '/usr/local/share/:/usr/share/:/usr/share/gdm/', 'PWD': '/home/tyler', 'COLORTERM': 'gnome-terminal', 'FROM_WRAPPER': 'yes', 'LS_COLORS': 'no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.svgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:'} ty...@surak:~$ cat argv ['./testsub.py', '-I', 'rc'] On Fri, Jun 19, 2009 at 8:21 AM, Mike Kazantsev <mk.frag...@gmail.com>wrote: > On Fri, 19 Jun 2009 08:07:29 -0700 > Tyler Laing <trinio...@gmail.com> wrote: > > > I can't use communicate, as it waits for the child process to terminate. > > Basically it blocks. I'm trying to have dynamic communication between the > > python program, and vlc. > > Unfortunately, subprocess module doesn't allow it out-of-the-box, but > you can use fnctl calls to perform non-blocking reads/writes on it's > pipes, like this: > > flags = fcntl.fcntl(fd, fcntl.F_GETFL) > fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK) > > After that, you can grab all the available data from the pipe at any > given time w/o blocking. > > Try this recipe: > > http://code.activestate.com/recipes/576759/ > > -- > Mike Kazantsev // fraggod.net > > -- > http://mail.python.org/mailman/listinfo/python-list > > -- Visit my blog at http://oddco.ca/zeroth/zblog
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