#!/usr/bin/env python
# tren.py
# Copyright (c) 2010 TundraWare Inc.
# For Updates See:  http://www.tundraware.com/Software/tren

# Program Information

PROGNAME = "tren"
RCSID = "$Id: tren.py,v 1.100 2010/01/14 18:24:02 tundra Exp $"
VERSION = RCSID.split()[2]

# Copyright Information

CPRT         = "(c)"
DATE         = "2010"
OWNER        = "TundraWare Inc."
COPYRIGHT    = "Copyright %s %s %s  %s. " % (CPRT, DATE, OWNER)


#----------------------------------------------------------#
#            Variables User Might Change                   #
#----------------------------------------------------------#



#------------------- Nothing Below Here Should Need Changing ------------------#


#----------------------------------------------------------#
#                       Imports                            #
#----------------------------------------------------------#

import getopt
import os
import sys
import tconfpy


#----------------------------------------------------------#
#                 Aliases & Redefinitions                  #
#----------------------------------------------------------#



#----------------------------------------------------------#
#                Constants & Literals                      #
#----------------------------------------------------------#



#####
# Constants
#####



#####
# Literals
#####



#----------------------------------------------------------#
#              Prompts, & Application Strings              #
#----------------------------------------------------------#


#####
# Error Messages
#####

eERROR   =  "ERROR"


#####
# Informational Messages
#####


#####
# Usage Prompts
#####

uTable = [PROGNAME + " " + VERSION + " - %s\n" % COPYRIGHT,
          "usage:  " + PROGNAME + " [-fhv]",
          "   where,",
          "          -f file  configuration file to use",
          "          -h       print this help information",
          "          -v       print detailed version information",
          ]


#----------------------------------------------------------#
#          Global Variables & Data Structures              #
#----------------------------------------------------------#

CFGFILE = os.path.join(os.getenv("HOME"), "." + PROGNAME)  # conf file


#--------------------------- Code Begins Here ---------------------------------#


#----------------------------------------------------------#
#             Object Base Class Definitions                #
#----------------------------------------------------------#

    

#----------------------------------------------------------#
#             Supporting Function Definitions              #
#----------------------------------------------------------#


#####
# Print An Error Message
#####

def ErrorMsg(emsg):
    print PROGNAME + " " + VERSION + " " + eERROR + ": " + emsg

# End of 'ErrorMsg()'


#####
# Print Usage Information
#####

def Usage():
    for line in uTable:
        print line

# End of 'Usage()'


#----------------------------------------------------------#
#                    Program Entry Point                   #
#----------------------------------------------------------#

# Command line processing - Process any options set in the
# environment first, and then those given on the command line

OPTIONS = sys.argv[1:]
envopt = os.getenv(PROGNAME.upper())
if envopt:
    OPTIONS = envopt.split() + OPTIONS

try:
    opts, args = getopt.getopt(OPTIONS, '-f:hv')
except getopt.GetoptError:
    Usage()
    sys.exit(1)

for opt, val in opts:
    if opt == "-f":
        CFGFILE=val
    if opt == "-h":
        Usage()
        sys.exit(0)
    if opt == "-v":
        print RCSID
        sys.exit(0)

# Process the configuration file

retval = tconfpy.ParseConfig(CFGFILE, CallingProgram="%s %s " % (PROGNAME, VERSION))

# Print any errors or warning generated by the parse

for x in (retval.ErrMsgs, retval.WarnMsgs):
    for y in x:
        print y

# If there were any errors, we're done
if retval.ErrMsgs:
    sys.exit(0)