| #!/usr/bin/python3 | |
| # Example demonstrating how to use the configuration/commandline system | |
| # for configuration. | |
| # Some valid command lines.. | |
| # config.py -h --help ; Turn on help | |
| # config.py -no-h --no-help --help=no ; Turn off help | |
| # config.py -qqq -q=3 ; verbosity to 3 | |
| # config.py -c /etc/apt/apt.conf ; include that config file] | |
| # config.py -o help=true ; Turn on help by giving a | |
| # ; config file string | |
| # config.py -no-h -- -help ; Turn off help, specify the file '-help' | |
| # -c and -o are standard APT-program options. | |
| # This shows how to use the system for configuration and option control. | |
| # The other varient is for ISC object config files. See configisc.py. | |
| import apt_pkg | |
| import sys | |
| import posixpath | |
| # Create a new empty Configuration object - there is also the system global | |
| # configuration object apt_pkg.config which is used interally by apt-pkg | |
| # routines to control unusual situations. I recommend using the sytem global | |
| # whenever possible.. | |
| Cnf = apt_pkg.Configuration() | |
| print("Command line is", sys.argv) | |
| # Load the default configuration file, init_config() does this better.. | |
| Cnf.set("config-file", "/etc/apt/apt.conf") # or Cnf["config-file"] = ".." | |
| if posixpath.exists(Cnf.find_file("config-file")): | |
| apt_pkg.read_config_file(Cnf, "/etc/apt/apt.conf") | |
| # Merge the command line arguments into the configuration space | |
| Arguments = [('h', "help", "help"), | |
| ('v', "version", "version"), | |
| ('q', "quiet", "quiet", "IntLevel"), | |
| ('c', "config-file", "", "ConfigFile"), | |
| ('o', "option", "", "ArbItem")] | |
| print("FileNames", apt_pkg.parse_commandline(Cnf, Arguments, sys.argv)) | |
| print("Quiet level selected is", Cnf.find_i("quiet", 0)) | |
| # Do some stuff with it | |
| if Cnf.find_b("version", 0) == 1: | |
| print("Version selected - 1.1") | |
| if Cnf.find_b("help", 0) == 1: | |
| print("python-apt", apt_pkg.VERSION, | |
| "compiled on", apt_pkg.DATE, apt_pkg.TIME) | |
| print("Hi, I am the help text for this program") | |
| sys.exit(0) | |
| print("No help for you, try -h") | |
| # Print the configuration space | |
| print("The Configuration space looks like:") | |
| for item in list(Cnf.keys()): | |
| print("%s \"%s\";" % (item, Cnf[item])) | |