casa6

## ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

##     first try to find executables using casapyinfo...

##            (since system area versions may be incompatible)...

##     next try likely system areas...

## ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

##

##   note:  hosts which have dbus-daemon-1 but not dbus-daemon seem to have a broken dbus-daemon-1...

##

import signal

from casa_system import procmgr

​

for info in [ (['dbus-daemon'],'dbus'),

              (['CrashReportPoster'],'crashPoster'),

              (['ipcontroller','ipcontroller-2.6'], 'ipcontroller'),

              (['ipengine','ipengine-2.6'], 'ipengine') ]:

    exelist = info[0]

    entry = info[1]

    for exe in exelist:

        if casa['helpers']['info']:

            casa['helpers'][entry] = (lambda fd: fd.readline().strip('\n'))(os.popen(casa['helpers']['info'] + " --exec 'which " + exe + "'"))

        if casa['helpers'][entry] and os.path.exists(casa['helpers'][entry]):

            break

        else:

            casa['helpers'][entry] = None

​

        ### first look in known locations relative to top (of binary distros) or known casa developer areas

        for srchdir in [ __casapath__ + '/MacOS', __casapath__ + '/lib/casa/bin', '/usr/lib64/casa/01/bin', '/opt/casa/01/bin', '/opt/casa/02/bin' ] :

            dd = srchdir + os.sep + exe

            if os.path.exists(dd) and os.access(dd,os.X_OK) :

                casa['helpers'][entry] = dd

                break

        if casa['helpers'][entry] is not None:

            break

​

    ## ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

    ##     next search through $PATH for executables

    ## ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

    if casa['helpers'][entry] is None:

        for exe in exelist:

            for srchdir in os.getenv('PATH').split(':') :

                dd = srchdir + os.sep + exe

                if os.path.exists(dd) and os.access(dd,os.X_OK) :

                    casa['helpers'][entry] = dd

                    break

            if casa['helpers'][entry] is not None:

                break

​

if casa['helpers']['dbus'] is not None :

    dbus_conf= __casapath__ + "/etc/dbus/casa.conf"

    if not os.path.exists(dbus_conf):

        dbus_conf = __casapath__ + "/Resources/dbus/casa.conf"

    argv_0_path = os.path.dirname(os.path.abspath(sys.argv[0]))

    dbus_path = os.path.dirname(os.path.abspath(casa['helpers']['dbus']))

​

    (r,w) = os.pipe( )

    args = [casa['helpers']['dbus'],'--print-address', str(w)]

    if dbus_conf is not None and os.path.exists(dbus_conf) :

        args = args + ['--config-file',dbus_conf]

    else:

        args = args + ['--session']

​

    procmgr.create("dbus",args)

​