def main(): profile = None config = {} rules = [] # Parse rules file parse_rules(RULES_FILE, rules) # Input configuration file can be specified on command line # otherwise configuration from previous run is used. if len(sys.argv) >= 4: profile = parse_profile_name(sys.argv[3]) read_presets(profile, config) elif os.path.exists(MAKEFILE): read_config(MAKEFILE, config) # Default mode: check values and regenerate configuration files if (len(sys.argv) >= 3) and (sys.argv[2] == 'default'): if (infer_verify_choices(config, rules)): preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0 # Hands-off mode: check values and regenerate configuration files, # but no interactive fallback if (len(sys.argv) >= 3) and (sys.argv[2] == 'hands-off'): # We deliberately test sys.argv >= 4 because we do not want # to read implicitly any possible previous run configuration if len(sys.argv) < 4: sys.stderr.write("Configuration error: No presets specified\n") return 2 if (infer_verify_choices(config, rules)): preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0 sys.stderr.write("Configuration error: The presets are ambiguous\n") return 1 # Check mode: only check configuration if (len(sys.argv) >= 3) and (sys.argv[2] == 'check'): if infer_verify_choices(config, rules): return 0 return 1 screen = xtui.screen_init() try: selname = None position = None while True: # Cancel out all values which have to be deduced for varname, vartype, name, choices, cond in rules: if (vartype == 'y') and (varname in config) and (config[varname] == '*'): config[varname] = None options = [] opt2row = {} cnt = 1 options.append(" --- Load preconfigured defaults ... ") for rule in rules: varname, vartype, name, choices, cond = rule if cond and (not check_condition(cond, config, rules)): continue if varname == selname: position = cnt if not varname in config: value = None else: value = config[varname] if not validate_rule_value(rule, value): value = None default = get_default_rule(rule) # # If we don't have a value but we do have # a default, use it. # if value == None and default != None: value = default config[varname] = default option = get_rule_option(rule, value) if option != None: options.append(option) else: continue opt2row[cnt] = (varname, vartype, name, choices) cnt += 1 if (position != None) and (position >= len(options)): position = None (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position) if button == 'cancel': return 'Configuration canceled' if button == 'done': if (infer_verify_choices(config, rules)): break else: xtui.error_dialog(screen, 'Error', 'Some options have still undefined values. These options are marked with the "?" sign.') continue if value == 0: profile = choose_profile(PRESETS_DIR, MAKEFILE, screen, config) if profile != None: read_presets(profile, config) position = 1 continue position = None if not value in opt2row: raise RuntimeError("Error selecting value: %s" % value) (selname, seltype, name, choices) = opt2row[value] if not selname in config: value = None else: value = config[selname] if seltype == 'choice': config[selname] = subchoice(screen, name, choices, value) elif (seltype == 'y/n') or (seltype == 'n/y'): if config[selname] == 'y': config[selname] = 'n' else: config[selname] = 'y' finally: xtui.screen_done(screen) preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0
def main(): profile = None config = {} rules = [] # Parse rules file parse_rules(RULES_FILE, rules) if len(sys.argv) > ARGPOS_CHOICE: choice = sys.argv[ARGPOS_CHOICE] else: choice = None if len(sys.argv) > ARGPOS_PRESET: preset = sys.argv[ARGPOS_PRESET] else: preset = None # Input configuration file can be specified on command line # otherwise configuration from previous run is used. if preset is not None: profile = parse_profile_name(preset) read_presets(profile, config) elif os.path.exists(MAKEFILE): read_config(MAKEFILE, config) # Default mode: check values and regenerate configuration files if choice == 'default': if (infer_verify_choices(config, rules)): preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0 # Hands-off mode: check values and regenerate configuration files, # but no interactive fallback if choice == 'hands-off': # We deliberately test this because we do not want # to read implicitly any possible previous run configuration if preset is None: sys.stderr.write("Configuration error: No presets specified\n") return 2 if (infer_verify_choices(config, rules)): preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0 sys.stderr.write("Configuration error: The presets are ambiguous\n") return 1 # Check mode: only check configuration if choice == 'check': if infer_verify_choices(config, rules): return 0 return 1 # Random mode if choice == 'random': ok = random_choices(config, rules, 0) if not ok: sys.stderr.write( "Internal error: unable to generate random config.\n") return 2 if not infer_verify_choices(config, rules): sys.stderr.write( "Internal error: random configuration not consistent.\n") return 2 preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0 screen = xtui.screen_init() try: selname = None position = None while True: # Cancel out all values which have to be deduced for varname, vartype, name, choices, cond in rules: if (vartype == 'y') and (varname in config) and (config[varname] == '*'): config[varname] = None options = [] opt2row = {} cnt = 1 options.append(" --- Load preconfigured defaults ... ") for rule in rules: varname, vartype, name, choices, cond = rule if cond and not cond.evaluate(config): continue if varname == selname: position = cnt if not varname in config: value = None else: value = config[varname] if not validate_rule_value(rule, value): value = None default = get_default_rule(rule) # # If we don't have a value but we do have # a default, use it. # if value == None and default != None: value = default config[varname] = default option = get_rule_option(rule, value) if option != None: options.append(option) else: continue opt2row[cnt] = (varname, vartype, name, choices) cnt += 1 if (position != None) and (position >= len(options)): position = None (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position) if button == 'cancel': return 'Configuration canceled' if button == 'done': if (infer_verify_choices(config, rules)): break else: xtui.error_dialog( screen, 'Error', 'Some options have still undefined values. These options are marked with the "?" sign.' ) continue if value == 0: profile = choose_profile(PRESETS_DIR, MAKEFILE, screen, config) if profile != None: read_presets(profile, config) position = 1 continue position = None if not value in opt2row: raise RuntimeError("Error selecting value: %s" % value) (selname, seltype, name, choices) = opt2row[value] if not selname in config: value = None else: value = config[selname] if seltype == 'choice': config[selname] = subchoice(screen, name, choices, value) elif (seltype == 'y/n') or (seltype == 'n/y'): if config[selname] == 'y': config[selname] = 'n' else: config[selname] = 'y' finally: xtui.screen_done(screen) preprocess_config(config, rules) create_output(MAKEFILE, MACROS, config, rules) return 0