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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import shutil
import sys
from subprocess import Popen, PIPE



PONYSAY_VERSION = '2.6'



manpages = [('en', 'English'), # must be first
            ('es', 'Spanish')]

sharedirs = [('ponies', 'xterm ponies', 'PONYDIR'), # must be first
             ('ttyponies', 'tty ponies', 'TTYPONYDIR'),
             ('extraponies', 'extra xterm ponies', 'XPONYDIR'),
             ('extrattyponies', 'extra tty ponies', 'XTTYPONYDIR'),
             ('quotes', 'pony quotes', 'QUOTEDIR'),
             ('balloons', 'balloon styles', 'BALLOONDIR')]

sharefiles = [('ucs', 'ucsmap')]

commands = ['ponysay', 'ponythink']

shells = [('bash', '/usr/share/bash-completion/completions/ponysay', 'GNU Bash'),
          ('fish', '/usr/share/fish/completions/ponysay.fish', 'Friendly interactive shell'),
          ('zsh', '/usr/share/zsh/site-functions/_ponysay', 'zsh')]

mansections = [('ponysay', '6'),
               ('cowsay', '1'),
               ('fortune', '6')]

miscfiles = [('COPYING', '/usr/share/licenses/ponysay/COPYING'),
             ('CREDITS', '/usr/share/licenses/ponysay/CREDITS')]




COPY = 'copy'
HARD = 'hard'
SYMBOLIC = 'symbolic'

class Setup():
    def __init__(self):
        usage_script = '\033[34;1msetup.py\033[21;39m'
        usage_help = '(version | help)'
        usage_proc = '[\033[4mconfigurations\033[24m] ([build] | prebuilt | install | (uninstall|clean)[-old] | view)'
        
        usage = '%s %s\n%s %s' % (usage_script, usage_help, usage_script, usage_proc)
        
        usage = usage.replace('\033[', '\0')
        for sym in ('[', ']', '(', ')', '|', '...'):
            usage = usage.replace(sym, '\033[2m' + sym + '\033[22m')
            usage = usage.replace('\0', '\033[')
        
        opts = ArgParser(program = 'setup.py',
                         description = 'installer for ponysay',
                         usage = usage)
        
        
        opts.add_argumentless(alternatives = ['--help'])
        opts.add_argumentless(alternatives = ['--version'])
        opts.add_argumented (alternatives = ['---DESTDIR'], arg="DESTDIR")
        opts.add_argumented (alternatives = ['---PREFIX'], arg="PREFIX")
        
        
        opts.add_argumentless(help = 'Install everything that is not explicity excluded',
                              alternatives = ['--everything', '--with-everything'])
        
        opts.add_argumentless(help = 'Install only the essentials\nNote that this can vary depending on version',
                              alternatives = ['--minimal'])
        
        opts.add_argumentless(help = 'Install nothing (except legal documents) that is not explicity included',
                              alternatives = ['--nothing', '--with-nothing'])
        
        
        for command in commands:
            opts.add_argumentless(help = 'Do not install the %s command' % (command),
                                  alternatives = ['--without-' + command, '--without-' + command + '-command'])
            
            opts.add_argumented (help = 'Install the %s command, and set file name\nDefualt = /usr/bin/%s' % (command, command),
                                  alternatives = ['--with-' + command, '--with-' + command + '-command'], arg='EXEC')
        
        
        opts.add_argumentless(help = 'Do not install a user shared cache',
                              alternatives = ['--without-shared-cache'])
        
        opts.add_argumented (help = 'Install a user shared cache at CACHEDIR\nDefault = /var/cache/ponysay',
                              alternatives = [ '--with-shared-cache'], arg='CACHEDIR')
        
        
        for shell in shells:
            opts.add_argumentless(help = 'Do not install completion for ' + shell[2],
                                  alternatives = ['--without-' + shell[0], '--without-' + shell[0] + '-completion'])
            
            opts.add_argumented (help = 'Set file name for the completion for ponysay in' + shell[2],
                                  alternatives = ['--with-' + shell[0], '--with-' + shell[0] + '-completion'], arg='PONYSAY_%s_FILE' % (shell[0].upper()))
        
        
        opts.add_argumentless(help = 'Only install explicitly included shell completions',
                              alternatives = ['--without-shell', '--without-shell-completion'])
        
        opts.add_argumented (help = 'Set share/ directory used for shell completions\nDefault = $SHAREDIR',
                              alternatives = ['--with-shell', '--with-shell-completion'], arg='SHAREDIR')
        
        
        opts.add_argumentless(help = 'Do not install PDF manual\nDefault',
                              alternatives = ['--without-pdf', '--without-pdf-manual'])
        
        opts.add_argumented (help = 'Set directory for PDF manual\nDefault = $PREFIX/doc',
                              alternatives = ['--with-pdf', '--with-pdf-manual'], arg='DOCDIR')
        
        opts.add_argumentless(help = 'Do not compress PDF manual\nDefault',
                              alternatives = ['--without-pdf-compression', '--without-pdf-manual-compression'])
        
        opts.add_argumented (help = 'Select compression for PDF manual\nDefault = gz, xz is also recognised',
                              alternatives = ['--with-pdf-compression', '--with-pdf-manual-compression'], arg='COMPRESSION')
        
        opts.add_argumentless(help = 'Do not install info manual',
                              alternatives = ['--without-info', '--without-info-manual'])
        
        opts.add_argumented (help = 'Set directory for info manual\nDefault = $SHARE/info',
                              alternatives = ['--with-info', '--with-info-manual'], arg='INFODIR')
        
        opts.add_argumentless(help = 'Do not use install-info when installing info manual',
                              alternatives = ['--without-info-install', '--without-info-manual-install'])
        
        opts.add_argumented (help = 'Use install-info when installing info manual, and set description\nDefault',
                              alternatives = ['--with-info-install', '--with-info-manual-install'], arg='DESCRIPTION')
        
        opts.add_argumentless(help = 'Do not compress info manual',
                              alternatives = ['--without-info-compression', '--without-info-manual-compression'])
        
        opts.add_argumented (help = 'Select compression for info manual\nDefault = gz, xz is also recognised',
                              alternatives = ['--with-info-compression', '--with-info-manual-compression'], arg='COMPRESSION')
        
        
        for man in manpages:
            opts.add_argumentless(help = 'Do not install %s manpage manual' % (man[1]),
                                  alternatives = ['--without-man-%s' % (man[0]), '--without-manpage-%s' % (man[0]), '--without-man-manual-%s' % (man[0]),
                                                  '--without-%s-man' % (man[0]), '--without-%s-manpage' % (man[0]), '--without-%s-man-manual' % (man[0])])
            
            opts.add_argumented (help = 'Set directory for %s manpage\nDefault = $SHARE/man' % (man[1]),
                                  alternatives = ['--with-man-%s' % (man[0]), '--with-manpage-%s' % (man[0]), '--with-man-manual-%s' % (man[0]),
                                                  '--with-%s-man' % (man[0]), '--with-%s-manpage' % (man[0]), '--with-%s-man-manual' % (man[0])], arg='MANDIR')
        
        
        opts.add_argumentless(help = 'Do not install any manpages',
                              alternatives = ['--without-man', '--without-manpage', '--without-man-manual'])
        
        opts.add_argumented (help = 'Set directory for all man pages\nDefault = $SHARE/man',
                              alternatives = ['--with-man', '--with-manpage', '--with-man-manual'], arg='MANDIR')
        
        for man in manpages:
            opts.add_argumentless(help = 'Do not compress %s manpage' % (man[1]),
                                  alternatives = ['--without-man-%s-compression' % (man[0]), '--without-manpage-%s-compression' % (man[0]), '--without-man-manual-%s-compression' % (man[0]),
                                                  '--without-%s-man-compression' % (man[0]), '--without-%s-manpage-compression' % (man[0]), '--without-%s-man-manual-compression' % (man[0])])
            
            opts.add_argumented (help = 'Select compression for %s manpage\nDefault = gz, xz is also recognised' % (man[1]),
                                  alternatives = ['--with-man-%s-compression' % (man[0]), '--with-manpage-%s-compression' % (man[0]), '--with-man-manual-%s-compression' % (man[0]),
                                                  '--with-%s-man-compression' % (man[0]), '--with-%s-manpage-compression' % (man[0]), '--with-%s-man-manual-compression' % (man[0])],
                                  arg='COMPRESSION')
        
        opts.add_argumentless(help = 'Do not compress any installed manpage',
                              alternatives = ['--without-man-compression', '--without-manpage-compression', '--without-man-manual-compression'])
        
        opts.add_argumented (help = 'Select compression for installed manpages\nDefault = gz, xz is also recognised',
                              alternatives = ['--with-man-compression', '--with-manpage-compression', '--with-man-manual-compression'], arg='COMPRESSION')
        
        for man in mansections:
            opts.add_argumented (help = 'Change the section for the %s manpage\nDefault = %s' % man,
                                  alternatives = ['--man-section-%s' % (man[0]), '--%s-manpage-section' % (man[0]),
                                                  '--man-section-%s' % (man[0]), '--%s-manpage-section' % (man[0])], arg='SECTION')
        
        
        for dir in sharedirs:
            opts.add_argumentless(help = 'Do not install ' + dir[0],
                                  alternatives = ['--without-' + dir[0]])
            
            opts.add_argumented (help = 'Set directory for %s\nDefault = $SHAREDIR/ponysay/%s' % (dir[1], dir[0]),
                                  alternatives = [ '--with-' + dir[0]], arg=dir[2])
        
        opts.add_argumentless(help = 'Do not install UCS pony name map',
                              alternatives = ['--without-ucs', '--without-ucs-names'])
        
        opts.add_argumented (help = 'Set file for the UCS pony name map\nDefault = $SHAREDIR/ponysay/ucsmap',
                              alternatives = ['--with-ucs', '--with-ucs-names'], arg='UCSFILE')
        
        
        opts.add_argumentless(help = 'Let the installer set the env name for python in ponysay\nDefault',
                              alternatives = ['--without-custom-env-python'])
        
        opts.add_argumented (help = 'Set the env name for python in ponysay',
                              alternatives = ['--with-custom-env-python'], arg='PYTHON')
        
        
        opts.add_argumented (help = 'Set a prefix to all implicit directories\nDefault = /usr',
                              alternatives = ['--prefix'], arg='PREFIX')
        
        opts.add_argumentless(help = 'Change all implicit configurations to fit local user a installation for the current user',
                              alternatives = ['--private'])
        
        opts.add_argumentless(help = 'Change all implicit directories to fit installation to /opt',
                              alternatives = ['--opt'])
        
        opts.add_argumented (help = 'Set the system\'s directory for command executables\nDefault = $PREFIX/bin',
                              alternatives = ['--bin-dir'], arg='BINDIR')
        
        opts.add_argumented (help = 'Set the system\'s directory for non-command executables\nDefault = $PREFIX/lib/ponysay\nNot used.',
                              alternatives = ['--lib-dir'], arg='LIBDIR')
        
        opts.add_argumented (help = 'Set the system\'s directory for resource files\nDefault = $PREFIX/share',
                              alternatives = ['--share-dir'], arg='SHAREDIR')
        
        opts.add_argumented (help = 'Set the system\'s directory for cache directories\nDefault = /var/cache',
                              alternatives = ['--cache-dir'], arg='CACHEDIR')
        
        
        opts.add_argumented (help = 'Set off environment for installation\nEmpty by default',
                              alternatives = ['--dest-dir'], arg='DESTDIR')
        
        
        opts.add_argumented (help = 'Set how to link identical files\nDefault = symbolic, copy and hard are also recognised',
                              alternatives = ['--linking'], arg='TYPE')
        
        
        
        opts.parse()
        
        
        self.linking = SYMBOLIC
        if opts.opts['--linking'] is not None:
            self.linking = opts.opts['--linking'][0]
        
        
        if (opts.opts['---DESTDIR'] is not None) and (opts.opts['--dest-dir'] is None):
            destdir = opts.opts['---DESTDIR'][0]
            if len(destdir) > 0:
                opts.opts['--dest-dir'] = [destdir]
            
        if (opts.opts['---PREFIX'] is not None) and (opts.opts['--prefix'] is None):
            prefix = opts.opts['---PREFIX'][0]
            if len(prefix) > 0:
                opts.opts['--prefix'] = [prefix]
        
        
        if (len(opts.files) > 1) or (opts.opts['--help'] is not None) or ((len(opts.files) == 1) and (opts.files[0] == 'help')):
            opts.help()
        elif (opts.opts['--version'] is not None) or ((len(opts.files) == 1) and (opts.files[0] == 'version')):
            print('Ponysay %s installer' % (PONYSAY_VERSION))
        else:
            if len(opts.files) == 0:
                opts.files = ['build']
            method = opts.files[0]
            if method == 'clean': self.clean()
            elif method == 'clean-old': self.cleanOld()
            else:
                conf = self.configure(opts.opts)
                self.viewconf(conf)
                
                if method == 'build':
                    self.build(conf)
                    
                elif method == 'prebuilt':
                    self.applyDestDir(conf)
                    self.install(conf)
                    
                elif method == 'install':
                    self.build(conf)
                    self.applyDestDir(conf)
                    self.install(conf)
                    self.clean()
                    
                elif method == 'uninstall':
                    self.uninstall(conf)
                    
                elif method == 'uninstall-old':
                    self.uninstallOld(conf)
                    
                elif not method == 'view':
                    opts.help()
    
    
    '''
Display configurations
'''
    def viewconf(self, conf):
        RED = '\033[31m%s\033[39m'
        GREEN = '%s\033[32m%s\033[39m'
        YELLOW = '\033[33m%s\033[39m'
        
        for command in commands:
            if conf[command] is not None: print(GREEN % ('Installing command ' + command + ' as ', conf[command]))
            else: print(RED % ('Skipping installion of command ' + command))
        if conf['shared-cache'] is not None: print(GREEN % ('Installing shared cache at ', conf['shared-cache']))
        else: print(RED % ('Skipping installation of shared cache'))
        for shell in [item[0] for item in shells]:
            if conf[shell] is not None: print(GREEN % ('Installing auto-completion for ' + shell + ' as ', conf[shell]))
            else: print(RED % ('Skipping installation of auto-completion for ' + shell))
        if conf['pdf'] is not None: print(GREEN % ('Installing PDF manual to ', conf['pdf']))
        else: print(RED % ('Skipping installation of PDF manual'))
        if conf['pdf-compression'] is not None: print(GREEN % ('Compressing PDF manual with ', conf['pdf-compression']))
        else: print(RED % ('Skipping compression of PDF manual'))
        if conf['info'] is not None: print(GREEN % ('Installing info manual to ', conf['info']))
        else: print(RED % ('Skipping installation of info manual'))
        if conf['info-install'] is not None: print(GREEN % ('Installing info manual with install-info with description: ', conf['info-install']))
        else: print(RED % ('Skipping installation of info manual with install-info'))
        if conf['info-compression'] is not None: print(GREEN % ('Compressing info manual with ', conf['info-compression']))
        else: print(RED % ('Skipping compression of info manual'))
        for man in manpages:
            key = 'man-' + man[0]
            if conf[key] is not None: print(GREEN % ('Installing ' + man[1] + ' manpage to ', conf[key]))
            else: print(RED % ('Skipping installation of ' + man[1] + ' manpage'))
            key += '-compression'
            if conf[key] is not None: print(GREEN % ('Compressing ' + man[1] + ' manpage with ', conf[key]))
            else: print(RED % ('Skipping compression of ' + man[1] + ' manpage'))
        for man in mansections: print(GREEN % ('References to manpage for ' + man[0] + ' points to section ', conf['man-section-' + man[0]]))
        for dir in sharedirs:
            if conf[dir[0]] is not None: print(GREEN % ('Installing ' + dir[1] + ' to ', conf[dir[0]]))
            else: print(RED % ('Skipping installation of ' + dir[1]))
        for file in sharefiles:
            if conf[file[0]] is not None: print(GREEN % ('Installing ' + file[1] + ' as ', conf[file[0]]))
            else: print(RED % ('Skipping installation of ' + file[1]))
        if conf['custom-env-python'] is not None: print(GREEN % ('Using custom env reference in python script shebang: ', conf['custom-env-python']))
        else: print(YELLOW % ('Looking for best env reference in python script shebang'))
        for miscfile in miscfiles: print(GREEN % ('Installing ' + miscfile[0] + ' to ', conf[miscfile[0]]))
        print('Prefered linking style: ' + self.linking)
        
        print()
    
    
    '''
Compile ponysay
'''
    def build(self, conf):
        print('\033[1;34m::\033[39mCompiling...\033[21m')
        
        def compressCommand(ext):
            if ext == 'gz': return 'gzip -9 -f'
            if ext == 'xz': return 'xz -9e -f'
        
        def compress(source, destination, ext):
            print('%s < %s > %s' % (compressCommand(ext), source, destination))
            (fileout, filein) = (None, None)
            try:
                fileout = open(destination, 'w+')
                filein = open(source, 'r')
                Popen(compressCommand(ext).split(' '), stdout=fileout, stdin=filein).communicate()
            finally:
                if fileout is not None: fileout.close()
                if filein is not None: filein .close()
        
        env = conf['custom-env-python']
        if env is None:
            (out, err) = Popen(['env', 'python', '--version'], stdout=PIPE, stderr=PIPE).communicate()
            out = out.decode('utf8', 'replace') + err.decode('utf8', 'replace')
            out = out.replace('\n', '')
            env = out.split(' ')[1].split('.')[0]
            if int(env) < 3: env = 'python3'
            else: env = 'python'
        mane = False
        for command in commands:
            if conf[command] is not None:
                mane = True
                break
        if mane:
            (fileout, filein) = (None, None)
            try:
                fileout = open('ponysay.install', 'wb+')
                filein = open('ponysay', 'rb')
                data = filein.read().decode('utf-8', 'replace')
                
                data = data.replace('#!/usr/bin/env python', '#!/usr/bin/env ' + env)
                for sharedir in [item[0] for item in sharedirs]:
                    data = data.replace('/usr/share/ponysay/' + sharedir, conf[sharedir])
                for sharefile in sharefiles:
                    data = data.replace('/usr/share/ponysay/' + sharefile[1], conf[sharefile[0]])
                data = data.replace('\nVERSION = \'dev\'', '\nVERSION = \'%s\'' % (PONYSAY_VERSION))
                
                fileout.write(data.encode('utf-8'))
            finally:
                if fileout is not None: fileout.close()
                if filein is not None: filein .close()
        
        for man in manpages:
            key = 'man-' + man[0]
            section = conf['man-section-ponysay']
            if man is manpages[0]: lang = ''
            else: lang = '.' + man[0]
            if conf[key] is not None:
                src = 'manuals/manpage' + lang + '.0'
                dest = src + '.install'
                (fileout, filein) = (None, None)
                try:
                    fileout = open(dest, 'wb+')
                    filein = open(src, 'rb')
                    data = filein.read().decode('utf-8', 'replace')
                    
                    data = data.replace('\n.TH PONYSAY 0', '\n.TH PONYSAY ' + conf['man-section-ponysay'])
                    for section in [item[0] for item in mansections]:
                        data = data.replace('\n.BR %s (0)' % (section), '\n.BR %s (%s)' % (section, conf['man-section-' + section]))
                    
                    fileout.write(data.encode('utf-8'))
                finally:
                    if fileout is not None: fileout.close()
                    if filein is not None: filein .close()
                src = dest
                ext = conf[key + '-compression']
                if ext is not None:
                    dest = 'manuals/manpage' + lang + '.0.' + ext
                    compress(src, dest, ext)
        
        if conf['info'] is not None:
            print('makeinfo manuals/ponysay.texinfo')
            os.system('makeinfo manuals/ponysay.texinfo')
            ext = conf['info-compression']
            if ext is not None:
                compress('ponysay.info', 'ponysay.info.' + ext, ext)
        
        if conf['pdf-compression'] is not None:
            ext = conf['pdf-compression']
            if ext is not None:
                compress('ponysay.pdf', 'ponysay.pdf.' + ext, ext)
        
        for shell in [item[0] for item in shells]:
            if conf[shell] is not None:
                src = 'completion/%s-completion.%s' % (shell, 'sh' if shell == 'bash' else shell)
                for command in commands:
                    if conf[command] is not None:
                        dest = src + '.' + command
                        (fileout, filein) = (None, None)
                        try:
                            fileout = open(dest, 'wb+')
                            filein = open(src, 'rb')
                            data = filein.read().decode('utf-8', 'replace')
                            
                            data = data.replace('/usr/bin/ponysay', conf[command])
                            data = data.replace('/ponysay', '\0')
                            data = data.replace('ponysay', command)
                            for sharedir in [item[0] for item in sharedirs]:
                                data = data.replace('/usr/share/ponysay/' + sharedir, conf[sharedir])
                            data = data.replace('\0', '/ponysay')
                            
                            fileout.write(data.encode('utf-8'))
                        finally:
                            if fileout is not None: fileout.close()
                            if filein is not None: filein .close()
        
        if conf['quotes'] is not None:
            self.removeLists([], ['quotes'])
            os.mkdir('quotes')
            ponymap = None
            try:
                ponymap = open('ponyquotes/ponies', 'rb')
                ponies = [line for line in ponymap.read().decode('utf-8', 'replace').split('\n')]
                for _ponies in ponies:
                    for pony in _ponies.split('+'):
                        if len(pony) > 0:
                            print('Generating quote files for \033[34m' + pony + '\033[39m')
                            for file in os.listdir('ponyquotes'):
                                if file.startswith(pony + '.'):
                                    if os.path.isfile('ponyquotes/' + file):
                                        shutil.copy('ponyquotes/' + file, 'quotes/' + _ponies + file[file.find('.'):])
            finally:
                if ponymap is not None:
                    ponymap.close()
        print()
    
    
    '''
Install compiled ponysay
'''
    def install(self, conf):
        print('\033[1;34m::\033[39mInstalling...\033[21m')
        
        dests = []
        for command in commands:
            if conf[command] is not None:
                dests.append(conf[command])
        if len(dests) > 0:
            self.cp(False, 'ponysay.install', dests)
            print('Setting mode for ponysay.install copies to 755')
            if self.linking == COPY:
                for dest in dests:
                    os.chmod(dest, 0o755)
            else:
                os.chmod(dests[0], 0o755)
        if conf['shared-cache'] is not None:
            dir = conf['shared-cache']
            if not os.path.exists(dir):
                pdir = dir[:dir.rfind('/') + 1]
                if not os.path.exists(pdir):
                    print('Creating intermediate-level directories needed for ' + dir)
                    os.makedirs(pdir)
                print('Creating directory ' + dir + ' with mode mask 777')
                os.mkdir(dir, 0o777)
        for shell in [item[0] for item in shells]:
            if conf[shell] is not None:
                for command in commands:
                    if conf[command] is not None:
                        src = 'completion/%s-completion.%s.%s' % (shell, 'sh' if shell == 'bash' else shell, command)
                        dest = conf[shell].replace('ponysay', command)
                        self.cp(False, src, [dest])
        if conf['pdf'] is not None:
            src = 'ponysay.pdf' + ('' if conf['pdf-compression'] is None else '.' + conf['pdf-compression'])
            dest = conf['pdf'] + '/' + src
            self.cp(False, src, [dest])
        if conf['info'] is not None:
            installinfo = []
            dests = []
            ext = ('' if conf['info-compression'] is None else '.' + conf['info-compression'])
            src = 'ponysay.info' + ext
            for command in commands:
                if conf[command] is not None:
                    dests.append(conf['info'] + '/' + command + '.info' + ext)
                    if conf['info-install'] is not None:
                        cmdarr = ['install-info', '--entry=Miscellaneous', '--description=' + conf['info-install'], '--dir-file=' + conf['info'] + '/dir', dest]
                        cmd = ' '.join(['\'%s\'' % (elem.replace('\'', '\'\\\'\'')) for elem in cmdarr])
                        installinfo.append((cmd, 'Installing info manual ' + dest + ' with install-info'))
            self.cp(False, src, dests)
            for pair in installinfo:
                print(pair[1])
                os.system(pair[0])
        for man in manpages:
            key = 'man-' + man[0]
            section = conf['man-section-ponysay']
            if man is manpages[0]: sub = 'man' + section
            else: sub = man[0] + '/man' + section
            if man is manpages[0]: lang = ''
            else: lang = '.' + man[0]
            if conf[key] is not None:
                src = 'manuals/manpage' + lang + '.0.' + ('install' if conf[key + '-compression'] is None else conf[key + '-compression'])
                dests = []
                for command in commands:
                    if conf[command] is not None:
                        dest = '%s/%s/%s.%s%s' % (conf[key], sub, command, section, '' if conf[key + '-compression'] is None else '.' + conf[key + '-compression'])
                        dests.append(dest)
                self.cp(False, src, dests)
        for dir in sharedirs:
            if conf[dir[0]] is not None:
                self.cp(True, dir[0], [conf[dir[0]]])
        for file in sharefiles:
            if conf[file[0]] is not None:
                self.cp(False, 'share/' + file[1], [conf[file[0]]])
        for file in miscfiles:
            self.cp(False, file[0], [conf[file[0]]])
        print()
    
    
    '''
Uninstall ponysay
'''
    def uninstall(self, conf):
        print('\033[1;34m::\033[39mUninstalling...\033[21m')
        
        (files, dirs, infos) = ([], [], [])
        
        for command in commands:
            if conf[command] is not None:
                files.append(conf[command])
        if conf['shared-cache'] is not None:
            dirs.append(conf['shared-cache'])
        for shell in [item[0] for item in shells]:
            if conf[shell] is not None:
                for command in commands:
                    if conf[command] is not None:
                        files.append(conf[shell].replace('ponysay', command))
        if conf['pdf'] is not None:
            files.append(conf['pdf'] + '/ponysay.pdf' + ('' if conf['pdf-compression'] is None else '.' + conf['pdf-compression']))
        if conf['info'] is not None:
            for command in commands:
                if conf[command] is not None:
                    file = conf['info'] + '/' + command + '.info' + ('' if conf['info-compression'] is None else '.' + conf['info-compression'])
                    files.append(file)
                    if conf['info-install'] is not None:
                        infos.append(file)
        for man in [item[0] for item in manpages]:
            key = 'man-' + man
            section = conf['man-section-ponysay']
            if man is manpages[0]: sub = 'man' + section
            else: sub = man[0] + '/man' + section
            if conf[key] is not None:
                for command in commands:
                    if conf[command] is not None:
                        files.append('%s/%s/%s.%s%s' % (conf[key], sub, command, section, '' if conf[key + '-compression'] is None else '.' + conf[key + '-compression']))
        for dir in sharedirs:
            if conf[dir[0]] is not None:
                dirs.append(conf[dir[0]])
        for file in sharefiles:
            if conf[file[0]] is not None:
                files.append(conf[file[0]])
        for file in miscfiles:
            files.append(conf[file[0]])
        
        for info in infos:
            cmdarr = ['install-info', '--delete', '--dir-file=' + conf['info'] + '/dir', info]
            cmd = ' '.join(['\'%s\'' % (elem.replace('\'', '\'\\\'\'')) for elem in cmdarr])
            print('Uninstalling info manual ' + info + ' with install-info')
            os.system(cmd)
        
        self.removeLists(files, dirs)
        print()
    
    
    '''
Uninstall file ponysay no longer uses
'''
    def uninstallOld(self, conf):
        print('\033[1;34m::\033[39mUninstalling old files...\033[21m')
        
        instdir = conf['~prefix~'] + '/usr'
        files = [instdir + f for f in ['bin/ponysaylist.pl', 'bin/ponysaytruncater', 'bin/ponysay.py', 'bin/ponythink.py']]
        dirs = [instdir + d for d in ['lib/ponysay', 'share/ponies', 'share/ttyponies']]
        #$(instdir)/lib/ponysay/truncater
        #$(instdir)/lib/ponysay/list.pl
        #$(instdir)/lib/ponysay/linklist.pl
        #$(instdir)/lib/ponysay/pq4ps
        #$(instdir)/lib/ponysay/pq4ps.pl
        #$(instdir)/lib/ponysay/pq4ps-list
        #$(instdir)/lib/ponysay/pq4ps-list.pl
        
        self.removeLists(files, dirs)
        print()
    
    
    '''
Remove compiled files
'''
    def clean(self):
        print('\033[1;34m::\033[39mCleaning...\033[21m')
        
        files = ['ponysay.info', 'ponysay.info.gz', 'ponysay.info.xz', 'ponysay.pdf.gz', 'ponysay.pdf.xz', 'ponysay.install']
        dirs = ['quotes']
        for comp in ['install', 'gz', 'xz']:
            for man in manpages:
                if man is manpages[0]: man = ''
                else: man = '.' + man[0]
                for sec in range(0, 9):
                    files.append('manuals/manpage%s.%s.%s' % (man, str(sec), comp))
        for shell in [item[0] for item in shells]:
            for command in commands:
                files.append('completion/%s-completion.%s.%s' % (shell, 'sh' if shell == 'bash' else shell, command))
        
        self.removeLists(files, dirs)
        print()
    
    
    '''
Remove compiled files ponysay is no longer compiling
'''
    def cleanOld(self):
        print('\033[1;34m::\033[39mCleaning old files...\033[21m')
        
        files = ['truncater', 'ponysaytruncater', 'ponysay.py.install', 'ponysay.install~']
        dirs = []
        for shell in [item[0] for item in shells]:
            files.append('completion/%s-completion.%s.install' % (shell, 'sh' if shell == 'bash' else shell))
            files.append('completion/%s-completion-think.%s' % (shell, 'sh' if shell == 'bash' else shell))
        
        self.removeLists(files, dirs)
        print()
    
    
    '''
Removes listed files and directories
'''
    def removeLists(self, files, dirs):
        for file in files:
            if os.path.isfile(file) or os.path.islink(file):
                print('Unlinking file %s' % (file))
                os.unlink(file)
                dir = file
                while True:
                    dir = dir[:dir.rfind('/')]
                    if ('/ponysay/' in (dir + '/')) and (len(os.listdir(dir)) == 0):
                        print('Removing newly empty directory %s' % (dir))
                        os.rmdir(dir)
                    else:
                        break;
        for dir in dirs:
            if os.path.isdir(dir) or os.path.islink(dir):
                print('Cascadingly removing directory %s' % (dir))
                if os.path.islink(dir): os.unlink(dir)
                else: shutil.rmtree(dir)
                while True:
                    dir = dir[:dir.rfind('/')]
                    if ('/ponysay/' in (dir + '/')) and (len(os.listdir(dir)) == 0):
                        print('Removing newly empty directory %s' % (dir))
                        os.rmdir(dir)
                    else:
                        break;
    
    
    '''
Copys a files or directory to multiple destinations
'''
    def cp(self, recursive, source, destinations):
        if os.path.islink(source) and (self.linking != COPY) and os.path.isdir(os.path.realpath(source)):
            target = os.readlink(source)
            for dest in destinations:
                print('Creating symbolic link %s with target directory %s' % (dest, target))
                if os.path.exists(dest):
                    self.removeLists([], [dest])
                self.symlink(target, dest)
        if os.path.islink(source) and (self.linking != COPY) and os.path.isfile(os.path.realpath(source)):
            target = os.readlink(source)
            if self.linking == HARD:
                for dest in destinations:
                    print('Creating hard link %s with target file %s' % (dest, target))
                    if os.path.exists(dest):
                        self.removeLists([], [dest])
                    mytarget = os.path.abspath(os.path.join(os.path.dirname(dest), target))
                    if os.path.exists(mytarget):
                        os.link(mytarget, dest)
                    else:
                        print('\033[31mTarget did not exists, using symlink instead\033[39m')
                        self.symlink(target, dest)
            else:
                for dest in destinations:
                    print('Creating symbolic link %s with target file %s' % (dest, target))
                    if os.path.exists(dest):
                        self.removeLists([], [dest])
                    self.symlink(target, dest)
        for dest in destinations:
            dir = dest[:dest.rfind('/') + 1]
            if not os.path.exists(dir):
                print('Making directory ' + dir + ' with parents')
                os.makedirs(dir)
        if recursive:
            target = destinations[0]
            for dest in destinations if self.linking == COPY else [target]:
                print('Copying directory %s to %s' % (source, dest))
                if not os.path.exists(dest):
                    os.mkdir(dest)
                links = []
                for file in os.listdir(source):
                    src = source + '/' + file
                    if os.path.exists(src) and os.path.islink(src):
                        links.append((os.path.isdir(src), src, [dest + '/' + file]))
                    else:
                        self.cp(os.path.isdir(src), src, [dest + '/' + file])
                for link in links:
                    self.cp(link[0], link[1], link[2])
            if self.linking != COPY:
                for dest in destinations[1:]:
                    print('Creating symbolic link %s with target directory %s' % (dest, target))
                    if os.path.exists(dest):
                        self.removeLists([], [dest])
                    self.symlink(target, dest)
        else:
            target = destinations[0]
            for dest in destinations if self.linking == COPY else [target]:
                print('Copying file %s to %s' % (source, dest))
                shutil.copyfile(source, dest)
            if self.linking == HARD:
                for dest in destinations[1:]:
                    print('Creating hard link %s with target file %s' % (dest, target))
                    if os.path.exists(dest):
                        os.unlink(dest)
                    os.link(target, dest)
            elif self.linking == SYMBOLIC:
                for dest in destinations[1:]:
                    print('Creating symbolic link %s with target file %s' % (dest, target))
                    if os.path.exists(dest):
                        os.unlink(dest)
                    self.symlink(target, dest)
    
    
    '''
Create a symlink with a relative path
'''
    def symlink(self, target, dest):
        if target.startswith('./') or target.startswith('../'):
            os.symlink(target, dest)
        elif '/' not in target:
            os.symlink('./' + target, dest)
        else:
            targets = target.split('/')
            dests = dest.split('/')
            
            while (len(targets) > 1) and (len(dests) > 1) and (targets[0] == dests[0]):
                targets = targets[1:]
                dests = dests[1:]
                
            if (len(dests) == 1):
                targets = ['.'] + targets
            else:
                targets = (['..'] * (len(dests) - 1)) + targets
            
            os.symlink('/'.join(targets), dest)
    
    
    '''
Parses configurations
'''
    def configure(self, opts):
        (defaults, conf) = ({}, {})
        
        for command in commands:
            conf[command] = '/usr/bin/' + command
        conf['shared-cache'] = '/var/cache/ponysay'
        for shell in shells:
            conf[shell[0]] = shell[1]
        conf['pdf'] = '/usr/doc'
        conf['pdf-compression'] = 'gz'
        conf['info'] = '/usr/share/info'
        conf['info-install'] = 'My Little Ponies for your terminal'
        conf['info-compression'] = 'gz'
        for manpage in manpages:
            conf['man-' + manpage[0]] = '/usr/share/man'
            conf['man-' + manpage[0] + '-compression'] = 'gz'
        for sharedir in sharedirs:
            conf[sharedir[0]] = '/usr/share/ponysay/' + sharedir[0]
        for sharefile in sharefiles:
            conf[sharefile[0]] = '/usr/share/ponysay/' + sharefile[1]
        conf['custom-env-python'] = 'python3'
        for miscfile in miscfiles:
            conf[miscfile[0]] = miscfile[1]
        
        
        if opts['--private'] is not None:
            if opts['--prefix'] is None:
                opts['--prefix'] = [os.environ['HOME'] + '/.local']
        
        prefix = '/usr'
        if opts['--prefix'] is not None:
            prefix = opts['--prefix'][0]
            for key in conf:
                if conf[key] not in (None, False, True):
                    if conf[key].startswith('/usr'):
                        conf[key] = prefix + conf[key][4:]
        conf['~prefix~'] = prefix
        
        if opts['--opt'] is not None:
            if opts['--bin-dir'] is None: opts['--bin-dir'] = ['/opt/ponysay/bin']
            if opts['--lib-dir'] is None: opts['--lib-dir'] = ['/opt/ponysay/lib']
            if opts['--share-dir'] is None: opts['--share-dir'] = ['/usr/share']
            if opts['--with-shared-cache'] is None: opts['--with-shared-cache'] = ['/var/opt/ponysay/cache']
            for sharedir in sharedirs:
                conf[sharedir[0]] = '/opt/ponysay/share/' + sharedir[0]
            for sharefile in sharefiles:
                conf[sharefile[0]] = '/opt/ponysay/share/' + sharefile[1]
        
        for dir in ['bin', 'lib', 'share']:
            if opts['--' + dir + '-dir'] is not None:
                d = opts['--' + dir + '-dir'][0]
                if dir == 'lib':
                    dir += '/ponysay'
                for key in conf:
                    if conf[key] not in [None, True, False]:
                        if conf[key].startswith(prefix + '/' + dir):
                            conf[key] = d + conf[key][5 + len(dir):]
        if opts['--cache-dir'] is not None:
            dir = opts['--cache-dir'][0]
            for key in conf:
                if conf[key] not in (None, False, True):
                    if conf[key].startswith('/var/cache'):
                        conf[key] = dir + conf[key][10:]
        
        
        for key in conf:
            defaults[key] = conf[key]
        
        
        if opts['--nothing'] is not None:
            opts['--minimal'] = opts['--nothing']
        
        for key in ['custom-env-python']:
            conf[key] = None
        
        
        if opts['--everything'] is None:
            for key in ['pdf', 'pdf-compression']:
                conf[key] = None
            
            nomanen = opts['--minimal'] is not None
            for manpage in manpages:
                if (manpage is not manpages[0]) or nomanen:
                    for key in ['man-' + manpage[0]]:
                        conf[key] = None
        
        if (opts['--private'] is not None) or (opts['--minimal'] is not None):
            for key in ['info-install', 'shared-cache']:
                conf[key] = None
        
        if opts['--minimal'] is not None:
            for key in ['info'] + [item[0] for item in shells]:
                conf[key] = None
            for sharedir in sharedirs:
                if sharedir is not sharedirs[0]:
                    conf[sharedir[0]] = None
            for sharefile in sharefiles:
                conf[sharefile[0]] = None
        
        if opts['--nothing'] is not None:
            for command in commands:
                conf[command] = None
            conf[sharedirs[0][0]] = None
        
        
        for coll in [['shell', '/usr/share', [item[0] for item in shells]],
                     ['man', '/usr/share/man', ['man-' + item[0] for item in manpages]],
                     ['man-compression', 'gz', ['man-' + item[0] + '-compression' for item in manpages]]
                    ]:
            if opts['--without-' + coll[0]] is not None:
                for item in coll[2]:
                    conf[item] = None
            if opts['--with-' + coll[0]] is not None:
                for item in coll[2]:
                    defaults[item] = conf[item] = defaults[item].replace(coll[1], coll[1] if opts['--with-' + coll[0]][0] is None else opts['--with-' + coll[0]][0]);
        
        
        for key in conf:
            if '--with-' + key not in opts:
                continue
            if opts['--with-' + key] is not None:
                if defaults[key] in (False, True):
                    conf[key] = True
                else:
                    conf[key] = defaults[key] if opts['--with-' + key][0] is None else opts['--with-' + key][0]
            if opts['--without-' + key] is not None:
                conf[key] = False if defaults[key] in (False, True) else None
        
        for mansection in mansections:
            if opts['--man-section-' + mansection[0]] is not None:
                conf['man-section-' + mansection[0]] = opts['--man-section-' + mansection[0]][0]
            else:
                conf['man-section-' + mansection[0]] = mansection[1]
        
        
        
        self.destDir = None if opts['--dest-dir'] is None else opts['--dest-dir'][0]
        
        return conf
    
    
    def applyDestDir(self, conf):
        if self.destDir is not None:
            for key in conf:
                if conf[key] not in (None, False, True):
                    if conf[key].startswith('/'):
                        conf[key] = self.destDir + conf[key]
    
    
    def unapplyDestDir(self, conf):
        if self.destDir is not None:
            for key in conf:
                if conf[key] not in (None, False, True):
                    if conf[key].startswith(self.destDir):
                        conf[key] = conf[key][len(self.destDir):]



ARGUMENTLESS = 0
ARGUMENTED = 1
'''
Simple argument parser, a strip down of the one in ponysay and slitly modified
'''
class ArgParser():
    '''
Constructor.
The short description is printed on same line as the program name
'''
    def __init__(self, program, description, usage, longdescription = None):
        self.__program = program
        self.__description = description
        self.__usage = usage
        self.__longdescription = longdescription
        self.__arguments = []
        (self.opts, self.optmap) = ({}, {})
    
    '''
Add option that takes no arguments
'''
    def add_argumentless(self, alternatives, help = None):
        ARGUMENTLESS
        self.__arguments.append((ARGUMENTLESS, alternatives, None, help))
        (stdalt, self.opts[stdalt]) = (alternatives[0], None)
        for alt in alternatives: self.optmap[alt] = (stdalt, ARGUMENTLESS)
    
    '''
Add option that takes one argument
'''
    def add_argumented(self, alternatives, arg, help = None):
        self.__arguments.append((ARGUMENTED, alternatives, arg, help))
        (stdalt, self.opts[stdalt]) = (alternatives[0], None)
        for alt in alternatives: self.optmap[alt] = (stdalt, ARGUMENTED)
    
    '''
Parse arguments
'''
    def parse(self, argv = sys.argv):
        self.argcount = len(argv) - 1
        self.files = []
        (argqueue, optqueue, get) = ([], [], False)
        
        for arg in argv[1:]:
            if get:
                get = False
                if (arg is argv[-1]) or ((len(arg) > 2) and (arg[:2] in ('--', '++'))):
                    argqueue.append(None)
                else:
                    argqueue.append(arg)
                    continue
            if (len(arg) > 2) and (arg[:2] in ('--', '++')):
                if (arg in self.optmap) and (self.optmap[arg][1] == ARGUMENTLESS):
                    optqueue.append(arg)
                    argqueue.append(None)
                elif '=' in arg:
                    arg_opt = arg[:arg.index('=')]
                    if (arg_opt in self.optmap) and (self.optmap[arg_opt][1] == ARGUMENTED):
                        optqueue.append(arg_opt)
                        argqueue.append(arg[arg.index('=') + 1:])
                    else:
                        sys.stderr.write('%s: fatal: unrecognised option %s. see --help or the manual\n' % (self.__program, arg))
                        exit(-1)
                elif (arg in self.optmap) and (self.optmap[arg][1] == ARGUMENTED):
                    optqueue.append(arg)
                    get = True
                else:
                    sys.stderr.write('%s: fatal: unrecognised option %s. see --help or the manual\n' % (self.__program, arg))
                    exit(-1)
            else:
                self.files.append(arg)
        
        (i, n) = (0, len(optqueue))
        if len(argqueue) < n:
            argqueue.append(None)
        while i < n:
            (opt, arg, i) = (optqueue[i], argqueue[i], i + 1)
            opt = self.optmap[opt][0]
            if (opt not in self.opts) or (self.opts[opt] is None):
                self.opts[opt] = [arg]
            else:
                sys.stderr.write('%s: fatal: duplicate option %s\n' % (self.__program, arg))
                exit(-1)
    
    '''
Prints a colourful help message
'''
    def help(self):
        print('\033[1m%s\033[21m - %s\n' % (self.__program, self.__description))
        if self.__longdescription is not None:
            print(self.__longdescription)
            print()
        print('\n\033[1mUSAGE:\033[21m', end='')
        first = True
        for line in self.__usage.split('\n'):
            if first: first = False
            else: print(' or', end='')
            print('\t%s' % (line))
        print('\n\033[1mCONFIGURATIONS:\033[21m\n')
        for opt in self.__arguments:
            (opt_type, opt_alts, opt_arg, opt_help) = opt[0:4]
            if opt_help is not None:
                for opt_alt in opt_alts:
                    if opt_alt is opt_alts[-1]:
                        print('\t%s \033[4m%s\033[24m' % (opt_alt, opt_arg) if opt_type == ARGUMENTED else '\t' + opt_alt)
                    else:
                        print('\t\033[2m' + opt_alt + '\033[22m')
                first = True
                for line in opt_help.split('\n'):
                    print(('\t\t\033[32;1m%s\033[21;39m' if first else '\t\t%s') % (line))
                    first = False
                print()
        print()



if __name__ == '__main__':
    Setup()
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