#!/usr/bin/env python # -*- coding: utf-8 -*- import os import sys dependencies = [ ('chmod', 'coreutils', None, 2, 1), ('gzip', 'gzip', 'compression of manuals', 1, 0), ('makeinfo', 'texinfo', 'compilation of info manual', 1, 0), ('install-info', 'texinfo', 'installation of info manual', 1, 0), ('auto-auto-complete', 'auto-auto-complete>=3', 'compilation of shell tab-completion', 1, 0), ('stty', 'coreutils', None, 0, 2), ('ponytool', 'util-say>=3', 'KMS utilisation and PNG support', 0, 1), (None, 'python>=3', None, 2, 2) ] path = os.environ['PATH'].split(':') build_required = True build_optional = True runtime_required = True runtime_optional = True def test(dependency): executable = dependency[0] if executable is None: if sys.version_info.major == 3: return executable = 'python3' for p in path: if len(p) != 0: if os.path.exists((p + '/' + executable).replace('//', '/')): return global build_required, build_optional, runtime_required, runtime_optional requirement = '' if dependency[3] == 2: build_required = False ; requirement += 'build required + ' if dependency[3] == 1: build_optional = False ; requirement += 'build optional + ' if dependency[4] == 2: runtime_required = False ; requirement += 'runtime required + ' if dependency[4] == 1: runtime_optional = False ; requirement += 'runtime optional + ' requirement = requirement[:len(requirement) - 3] print('Missing %s, install %s. [%s]' % (executable, dependency[1], requirement)) if dependency[2] is not None: print(' Required for %s.' % dependency[2]) for dependency in dependencies: test(dependency) rc = 0 if not build_required: print('You will not be able to build and install ponysay.') rc = 1 elif not build_optional: print('You will have to tweak to installation to build and install ponysay.') if not runtime_required: print('You will not be able to run ponysay.') rc = 1 elif not runtime_optional: print('You will be missing some features in ponysay.') if not (build_required and build_optional and runtime_required and runtime_optional): print('\nEverything appears to be in order, enjoy ponysay!') exit(rc)