Source code for mrbob.cli

"""Command line interface to mr.bob"""

import pkg_resources
import sys
import os
import shutil

import six
import argparse

from .configurator import Configurator
from .configurator import maybe_bool
from .bobexceptions import ConfigurationError
from .bobexceptions import TemplateConfigurationError
from .parsing import parse_config, update_config, pretty_format_config

parser = argparse.ArgumentParser(description='Filesystem template renderer')
                    help="""Template name to use for rendering. See
                    for a guide to template syntax

parser.add_argument('-O', '--target-directory',
                    help='Where to output rendered structure. Defaults to current directory')
parser.add_argument('-v', '--verbose',
                    help='Print more output for debugging')
parser.add_argument('-c', '--config',
                    help='Configuration file to specify either [mr.bob] or [variables] sections')
parser.add_argument('-V', '--version',
                    help='Display version number')
parser.add_argument('-l', '--list-questions',
                    help='List all questions needed for the template')
parser.add_argument('-w', '--remember-answers',
                    help='Remember answers to .mrbob.ini file inside output directory')
parser.add_argument('-n', '--non-interactive',
                  help="Don't prompt for input. Fail if questions are required but not answered")
parser.add_argument('-q', '--quiet',
                    help='Suppress all but necessary output')

[docs]def main(args=sys.argv[1:]): """Main function called by `mrbob` command. """ options = parser.parse_args(args=args) if options.version: version = pkg_resources.get_distribution('mr.bob').version return version if not options.template: parser.error('You must specify what template to use.') userconfig = os.path.expanduser('~/.mrbob') if os.path.exists(userconfig): global_config = parse_config(userconfig) global_bobconfig = global_config['mr.bob'] global_variables = global_config['variables'] global_defaults = global_config['defaults'] else: global_bobconfig = {} global_variables = {} global_defaults = {} original_global_bobconfig = dict(global_bobconfig) original_global_variables = dict(global_variables) original_global_defaults = dict(global_defaults) if options.config: try: file_config = parse_config(options.config) except ConfigurationError as e: parser.error(e) file_bobconfig = file_config['mr.bob'] file_variables = file_config['variables'] file_defaults = file_config['defaults'] else: file_bobconfig = {} file_variables = {} file_defaults = {} cli_variables = {} # TODO: implement variables on cli cli_defaults = {} # TODO: implement defaults on cli cli_bobconfig = { 'verbose': options.verbose, 'quiet': options.quiet, 'remember_answers': options.remember_answers, 'non_interactive': options.non_interactive, } bobconfig = update_config(update_config(global_bobconfig, file_bobconfig), cli_bobconfig) variables = update_config(update_config(global_variables, file_variables), cli_variables) defaults = update_config(update_config(global_defaults, file_defaults), cli_defaults) c = None if bobconfig['verbose']: print('') print('Configuration provided:') print('') print('[variables] from ~/.mrbob') for line in pretty_format_config(original_global_variables): print(line) print('[variables] from --config file') for line in pretty_format_config(file_variables): print(line) # TODO: implement variables on cli # print('[variables] from command line interface') # for line in pretty_format_config(file_variables): # print(line) print('[defaults] from ~/.mrbob') for line in pretty_format_config(original_global_defaults): print(line) print('[defaults] from --config file') for line in pretty_format_config(file_defaults): print(line) # TODO: implement defaults on cli # print('[defaults] from command line interface') # for line in pretty_format_config(file_defaults): # print(line) print('[mr.bob] from ~/.mrbob') for line in pretty_format_config(original_global_bobconfig): print(line) print('[mr.bob] from --config file') for line in pretty_format_config(file_bobconfig): print(line) print('[mr.bob] from command line interface') for line in pretty_format_config(cli_bobconfig): print(line) try: c = Configurator(template=options.template, target_directory=options.target_directory, bobconfig=bobconfig, variables=variables, defaults=defaults) if options.list_questions: return c.print_questions() if c.questions and not maybe_bool(bobconfig['quiet']): if options.non_interactive: print('') print('Welcome to mr.bob non-interactive mode. Questions will be answered by default values or hooks.') print('') else: print('') print('Welcome to mr.bob interactive mode. Before we generate directory structure, some questions need to be answered.') print('') print('Answer with a question mark to display help.') print('Values in square brackets at the end of the questions show the default value if there is no answer.') print('\n') c.ask_questions() if not options.non_interactive: print('') c.render() if not maybe_bool(bobconfig['quiet']): print("Generated file structure at %s" % os.path.realpath(options.target_directory)) print('') return except TemplateConfigurationError as e: parser.error(six.u('TemplateConfigurationError: %s') % e.args[0]) except ConfigurationError as e: parser.error(six.u('ConfigurationError: %s') % e.args[0]) finally: if c and c.is_tempdir: shutil.rmtree(c.template_dir)
if __name__ == '__main__': # pragma: nocover print(main())