#!/usr/bin/env python # -*- coding: utf-8 -*- ''' ponysay.py - Ponysay, cowsay reimplementation for ponies Copyright (C) 2012 Erkin Batu Altunbaş et al. This program is free software. It comes without any warranty, to the extent permitted by applicable law. You can redistribute it and/or modify it under the terms of the Do What The Fuck You Want To Public License, Version 2, as published by Sam Hocevar. See http://sam.zoy.org/wtfpl/COPYING for more details. Authors of ponysay.py: Erkin Batu Altunbaş: Project leader, helped write the first implementation Mattias "maandree" Andrée: Major contributor of both implementions Elis "etu" Axelsson: Major contributor of current implemention and patcher of the first implementation Sven-Hendrik "svenstaro" Haase: Major contributor of the first implementation Jan Alexander "heftig" Steffens: Major contributor of the first implementation Kyah "L-four" Rindlisbacher: Patched the first implementation ''' import os import shutil import sys import random from subprocess import Popen, PIPE ''' The version of ponysay ''' VERSION = 'dev' # this line should not be edited, it is fixed by the build system ''' This is the mane class of ponysay ''' class Ponysay(): ''' Starts the part of the program the arguments indicate ''' def __init__(self, args): if (args.argcount == 0) and not pipelinein: args.help() return if args.opts['-h'] is not None: args.help() elif args.opts['--quoters'] is not None: self.quoters() elif args.opts['--onelist'] is not None: self.onelist() elif args.opts['-v'] is not None: self.version() elif args.opts['-l'] is not None: self.list() elif args.opts['-L'] is not None: self.linklist() elif args.opts['-B'] is not None: self.balloonlist() elif args.opts['++onelist'] is not None: self.__extraponies(); self.onelist() elif args.opts['+l'] is not None: self.__extraponies(); self.list() elif args.opts['+L'] is not None: self.__extraponies(); self.linklist() else: self.__extraponies(args) self.__bestpony(args) self.__ucsremap(args) if args.opts['-q'] is not None: self.quote(args) else: self.print_pony(args) ## ## Methods that run before the mane methods ## ''' Use extra ponies ''' def __extraponies(self, args = None): if args is None: ponydirs[:] = extraponydirs elif args.opts['-F'] is not None: args.opts['-f'] = args.opts['-F'] ponydirs[:] = extraponydirs ''' Use best.pony if nothing else is set ''' def __bestpony(self, args): if (args.opts['-f'] is None) or (args.opts['-q'] is None) or (len(args.opts['-q']) == 0): for ponydir in ponydirs: if os.path.isfile(ponydir + 'best.pony') or os.path.islink(ponydir + 'best.pony'): pony = os.path.realpath(ponydir + 'best.pony') # Canonical path args.opts['-f' if args.opts['-q'] is None else '-q'] = [pony] break ''' Apply pony name remapping to args according to UCS settings ''' def __ucsremap(self, args): env_ucs = os.environ['PONYSAY_UCS_ME'] if 'PONYSAY_UCS_ME' in os.environ else '' ucs_conf = 0 if env_ucs in ('yes', 'y', '1'): ucs_conf = 1 elif env_ucs in ('harder', 'h', '2'): ucs_conf = 2 if ucs_conf == 0: return maplines = [] for ucsmap in ucsmaps: if os.path.isfile(ucsmap): mapfile = None try: mapfile = open(ucsmap, 'r') maplines += [line.replace('\n', '') for line in mapfile.readlines()] finally: if mapfile is not None: mapfile.close() map = {} stripset = ' \t' # must be string, wtf! and way doesn't python's doc say so for line in maplines: if (len(line) > 0) and not (line[0] == '#'): s = line.index('→') ucs = line[:s] .strip(stripset) ascii = line[s + 1:].strip(stripset) map[ucs] = ascii for flag in ('-f', '-q'): if args.opts[flag] is not None: for i in range(0, len(args.opts[flag])): if args.opts[flag][i] in map: args.opts[flag][i] = map[args.opts[flag][i]] ## ## Auxiliary methods ## ''' Apply USC:ise pony names according to UCS settings ''' def __ucsise(self, ponies, links = None): env_ucs = os.environ['PONYSAY_UCS_ME'] if 'PONYSAY_UCS_ME' in os.environ else '' ucs_conf = 0 if env_ucs in ('yes', 'y', '1'): ucs_conf = 1 elif env_ucs in ('harder', 'h', '2'): ucs_conf = 2 if ucs_conf == 0: return maplines = [] for ucsmap in ucsmaps: if os.path.isfile(ucsmap): mapfile = None try: mapfile = open(ucsmap, 'r') maplines += [line.replace('\n', '') for line in mapfile.readlines()] finally: if mapfile is not None: mapfile.close() map = {} stripset = ' \t' # must be string, wtf! and way doesn't python's doc say so for line in maplines: if (len(line) > 0) and not (line[0] == '#'): s = line.index('→') ucs = line[:s] .strip(stripset) ascii = line[s + 1:].strip(stripset) map[ascii] = ucs if ucs_conf == 1: for pony in ponies: if pony in map: ponies.append(map[pony]) if links is not None: links[map[pony]] = pony else: for j in range(0, len(ponies)): if ponies[j] in map: ponies[j] = map[ponies[j]] ''' Returns one file with full path, names is filter for names, also accepts filepaths ''' def __getponypath(self, names = None): ponies = {} for ponydir in ponydirs: for ponyfile in os.listdir(ponydir): pony = ponyfile[:-5] if pony not in ponies: ponies[pony] = ponydir + ponyfile if not names == None: for name in names: if os.path.exists(name): ponies[name] = name if names == None: names = list(ponies.keys()) pony = names[random.randrange(0, len(names))] if pony not in ponies: sys.stderr.write('I have never heared of any pony named %s\n' % (pony)); exit(1) else: return ponies[pony] ''' Returns a set with all ponies that have quotes and are displayable ''' def __quoters(self): quotes = [] quoteshash = set() _quotes = [] for quotedir in quotedirs: _quotes += [item[:item.index('.')] for item in os.listdir(INSTALLDIR + '/share/ponysay/quotes/')] for quote in _quotes: if not quote == '': if not quote in quoteshash: quoteshash.add(quote) quotes.append(quote) ponies = set() for ponydir in ponydirs: for pony in os.listdir(ponydir): if not pony[0] == '.': p = pony[:-5] # remove .pony for quote in quotes: if ('+' + p + '+') in ('+' + quote + '+'): if not p in ponies: ponies.add(p) return ponies ''' Returns a list with all (pony, quote file) pairs ''' def __quotes(self): quotes = [] for quotedir in quotedirs: quotes += [quotedir + item for item in os.listdir(quotedir)] rc = [] for ponydir in ponydirs: for pony in os.listdir(ponydir): if not pony[0] == '.': p = pony[:-5] # remove .pony for quote in quotes: q = quote[quote.rindex('/') + 1:] q = q[:q.rindex('.')] if ('+' + p + '+') in ('+' + q + '+'): rc.append((p, quote)) return rc ''' Gets the size of the terminal in (rows, columns) ''' def __gettermsize(self): termsize = Popen(['stty', 'size'], stdout=PIPE, stdin=sys.stderr).communicate()[0] termsize = termsize.decode('utf8', 'replace')[:-1].split(' ') # [:-1] removes a \n termsize = [int(item) for item in termsize] return termsize ## ## Listing methods ## ''' Columnise a list and prints it ''' def __columnise(self, ponies): termwidth = self.__gettermsize()[1] + 2 ponies.sort(key = lambda pony : pony[0]) widths = [UCS.dispLen(pony[0]) for pony in ponies] width = max(widths) + 2 # longest pony file name + space between columns cols = termwidth // width rows = (len(ponies) + cols - 1) // cols columns = [] for c in range(0, cols): columns.append([]) (y, x) = (0, 0) for j in range(0, len(ponies)): cell = ponies[j][1] + ' ' * (width - widths[j]); columns[x].append(cell) y += 1 if y == rows: x += 1 y = 0 diff = rows * cols - len(ponies) if diff > 2: c = cols - 1 diff -= 1 while diff > 0: columns[c] = columns[c - 1][-diff:] + columns[c] c -= 1 columns[c] = columns[c][:-diff] diff -= 1 pass lines = [] for r in range(0, rows): lines.append([]) for c in range(0, cols): if r < len(columns[c]): line = lines[r].append(columns[c][r]) print('\n'.join([''.join(line)[:-2] for line in lines])); print() ''' Lists the available ponies ''' def list(self): quoters = self.__quoters() for ponydir in ponydirs: # Loop ponydirs _ponies = os.listdir(ponydir) ponies = [] for pony in _ponies: if (len(pony) > 5) and (pony[-5:] == '.pony'): ponies.append(pony[:-5]) self.__ucsise(ponies) if len(ponies) == 0: continue print('\033[1mponies located in ' + ponydir + '\033[21m') self.__columnise([(pony, '\033[1m' + pony + '\033[21m' if pony in quoters else pony) for pony in ponies]) ''' Lists the available ponies with alternatives inside brackets ''' def linklist(self): termsize = self.__gettermsize() quoters = self.__quoters() for ponydir in ponydirs: # Loop ponydirs _ponies = os.listdir(ponydir) ponies = [] for pony in _ponies: if (len(pony) > 5) and (pony[-5:] == '.pony'): ponies.append(pony[:-5]) if len(ponies) == 0: continue print('\033[1mponies located in ' + ponydir + '\033[21m') pseudolinkmap = {} self.__ucsise(ponies, pseudolinkmap) pairs = [] for pony in ponies: if pony in pseudolinkmap: pairs.append((pony, pseudolinkmap[pony] + '.pony')); else: pairs.append((pony, os.path.realpath(ponydir + pony + '.pony') if os.path.islink(ponydir + pony + '.pony') else None)) ponymap = {} for pair in pairs: if (pair[1] is None) or (pair[1] == ''): if pair[0] not in ponymap: ponymap[pair[0]] = [] else: target = pair[1][:-5] if '/' in target: target = target[target.rindex('/') + 1:] if target in ponymap: ponymap[target].append(pair[0]) else: ponymap[target] = [pair[0]] width = 0 ponies = {} for pony in ponymap: w = UCS.dispLen(pony) item = '\033[1m' + pony + '\033[21m' if (pony in quoters) else pony syms = ponymap[pony] syms.sort() if len(syms) > 0: w += 2 + len(syms) item += ' (' first = True for sym in syms: w += UCS.dispLen(sym) if first: first = False else: item += ' ' item += '\033[1m' + sym + '\033[21m' if (sym in quoters) else sym item += ')' ponies[(item.replace('\033[1m', '').replace('\033[21m', ''), item)] = w if width < w: width = w self.__columnise(list(ponies)) ''' Lists with all ponies that have quotes and are displayable ''' def quoters(self): last = '' ponies = [] for pony in self.__quoters(): ponies.append(pony) self.__ucsise(ponies) ponies.sort() for pony in ponies: if not pony == last: last = pony print(pony) ''' Lists the available ponies one one column without anything bold ''' def onelist(self): last = '' _ponies = [] for ponydir in ponydirs: # Loop ponydirs _ponies += os.listdir(ponydir) ponies = [] for pony in _ponies: if (len(pony) > 5) and (pony[-5:] == '.pony'): ponies.append(pony[:-5]) self.__ucsise(ponies) ponies.sort() for pony in ponies: if not pony == last: last = pony print(pony) ## ## Balloon methods ## ''' Prints a list of all balloons ''' def balloonlist(self): termsize = self.__gettermsize() balloonset = set() for balloondir in balloondirs: for balloon in os.listdir(balloondir): if isthink and (len(balloon) > 6) and (balloon[-6:] == '.think'): balloon = balloon[:-6] elif (not isthink) and (len(balloon) > 4) and (balloon[-4:] == '.say'): balloon = balloon[:-4] else: continue if balloon not in balloonset: balloonset.add(balloon) self.__columnise([(balloon, balloon) for balloon in list(balloonset)]) ''' Returns one file with full path, names is filter for style names, also accepts filepaths ''' def __getballoonpath(self, names): if names is None: return None balloons = {} for balloondir in balloondirs: for balloon in os.listdir(balloondir): balloonfile = balloon if isthink and (len(balloon) > 6) and (balloon[-6:] == '.think'): balloon = balloon[:-6] elif (not isthink) and (len(balloon) > 4) and (balloon[-4:] == '.say'): balloon = balloon[:-4] else: continue if balloon not in balloons: balloons[balloon] = balloondir + balloonfile for name in names: if os.path.exists(name): balloons[name] = name if names == None: names = list(balloons.keys()) balloon = names[random.randrange(0, len(names))] if balloon not in balloons: sys.stderr.write('That balloon style %s does not exist\n' % (balloon)); exit(1) else: return balloons[balloon] ''' Creates the balloon style object ''' def __getballoon(self, balloonfile): if balloonfile is None: if isthink: return Balloon('o', 'o', '( ', ' )', [' _'], ['_'], ['_'], ['_'], ['_ '], ' )', ' )', ' )', ['- '], ['-'], ['-'], ['-'], [' -'], '( ', '( ', '( ') return Balloon('\\', '/', '< ', ' >', [' _'], ['_'], ['_'], ['_'], ['_ '], ' \\', ' |', ' /', ['- '], ['-'], ['-'], ['-'], [' -'], '\\ ', '| ', '/ ') map = {} for elem in ('\\', '/', 'ww', 'ee', 'nw', 'nnw', 'n', 'nne', 'ne', 'nee', 'e', 'see', 'se', 'sse', 's', 'ssw', 'sw', 'sww', 'w', 'nww'): map[elem] = [] balloonstream = None try: balloonstream = open(balloonfile, 'r') data = [line.replace('\n', '') for line in balloonstream.readlines()] finally: if balloonstream is not None: balloonstream.close() last = None for line in data: if len(line) > 0: if line[0] == ':': map[last].append(line[1:]) else: last = line[:line.index(':')] value = line[len(last) + 1:] map[last].append(value) return Balloon(map['\\'][0], map['/'][0], map['ww'][0], map['ee'][0], map['nw'], map['nnw'], map['n'], map['nne'], map['ne'], map['nee'][0], map['e'][0], map['see'][0], map['se'], map['sse'], map['s'], map['ssw'], map['sw'], map['sww'][0], map['w'][0], map['nww'][0]) ## ## Displaying methods ## ''' Prints the name of the program and the version of the program ''' def version(self): print('%s %s' % ('ponysay', VERSION)) ''' Print the pony with a speech or though bubble. message, pony and wrap from args are used. ''' def print_pony(self, args): if args.message == None: msg = ''.join(sys.stdin.readlines()).rstrip() else: msg = args.message if args.opts['-c'] is not None: ## This algorithm should give some result as cowsay's (according to tests) buf = '' last = ' ' CHARS = '\t \n' for c in msg: if (c in CHARS) and (last in CHARS): if last == '\n': buf += last last = c else: buf += c last = c msg = buf.strip(CHARS) buf = '' for c in msg: if (c != '\n') or (last != '\n'): buf += c last = c msg = buf.replace('\n', '\n\n') pony = self.__getponypath(args.opts['-f']) if (len(pony) > 4) and (pony[-4:].lower() == '.png'): pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\'' pngcmd = ('img2ponysay -p -- ' if linuxvt else 'img2ponysay -- ') + pony pngpipe = os.pipe() Popen(pngcmd, stdout=os.fdopen(pngpipe[1], 'w'), shell=True).wait() pony = '/proc/' + str(os.getpid()) + '/fd/' + str(pngpipe[0]) pony = self.__kms(pony) if linuxvt: print('\033[H\033[2J', end='') env_width = os.environ['PONYSAY_FULL_WIDTH'] if 'PONYSAY_FULL_WIDTH' in os.environ else None if env_width is None: env_width = '' widthtruncation = self.__gettermsize()[1] if env_width not in ('yes', 'y', '1') else None messagewrap = int(args.opts['-W'][0]) if args.opts['-W'] is not None else None balloon = self.__getballoon(self.__getballoonpath(args.opts['-b'])) backend = Backend(message = msg, ponyfile = pony, wrapcolumn = messagewrap if messagewrap is not None else 40, width = widthtruncation, balloon = balloon) backend.parse() output = backend.output if (len(output) > 0) and (output[-1] == '\n'): output = output[:-1] env_bottom = os.environ['PONYSAY_BOTTOM'] if 'PONYSAY_BOTTOM' in os.environ else None if env_bottom is None: env_bottom = '' env_height = os.environ['PONYSAY_TRUNCATE_HEIGHT'] if 'PONYSAY_TRUNCATE_HEIGHT' in os.environ else None if env_height is None: env_height = '' env_lines = os.environ['PONYSAY_SHELL_LINES'] if 'PONYSAY_SHELL_LINES' in os.environ else None if (env_lines is None) or (env_lines == ''): env_lines = '2' lines = self.__gettermsize()[0] - int(env_lines) if linuxvt or (env_height is ('yes', 'y', '1')): if env_bottom is ('yes', 'y', '1'): for line in output.split('\n')[: -lines]: print(line) else: for line in output.split('\n')[: lines]: print(line) else: print(output); ''' Print the pony with a speech or though bubble and a self quote ''' def quote(self, args): pairs = self.__quotes() if len(args.opts['-q']) > 0: ponyset = {} for pony in args.opts['-q']: if (len(pony) > 5) and (pony[-5:] == '.pony'): ponyname = pony[:-5] if '/' in ponyname: ponyname = ponyname[ponyname.rindex('/') + 1:] ponyset[ponyname] = pony else: ponyset[pony] = pony alts = [] for pair in pairs: if pair[0] in ponyset: alts.append((ponyset[pair[0]], pair[1])) pairs = alts if not len(pairs) == 0: pair = pairs[random.randrange(0, len(pairs))] qfile = None try: qfile = open(pair[1], 'r') args.message = '\n'.join(qfile.readlines()).strip() finally: if qfile is not None: qfile.close() args.opts['-f'] = [pair[0]] elif len(args.opts['-q']) == 0: sys.stderr.write('Princess Celestia! All the ponies are mute!\n') exit(1) else: args.opts['-f'] = [args.opts['-q'][random.randrange(0, len(args.opts['-q']))]] args.message = 'Zecora! Help me, I am mute!' self.print_pony(args) ''' Indentifies whether KMS support is utilised ''' @staticmethod def isUsingKMS(): if not linuxvt: return False env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None if env_kms is None: env_kms = '' env_kms_cmd = os.environ['PONYSAY_KMS_PALETTE_CMD'] if 'PONYSAY_KMS_PALETTE_CMD' in os.environ else None if (env_kms_cmd is not None) and (not env_kms_cmd == ''): env_kms = Popen(shlex.split(env_kms_cmd), stdout=PIPE, stdin=sys.stderr).communicate()[0].decode('utf8', 'replace') if env_kms[-1] == '\n': env_kms = env_kms[:-1] return env_kms != '' ''' Returns the file name of the input pony converted to a KMS pony, or if KMS is not used, the input pony itself ''' def __kms(self, pony): if not linuxvt: return pony KMS_VERSION = '1' env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None if env_kms is None: env_kms = '' env_kms_cmd = os.environ['PONYSAY_KMS_PALETTE_CMD'] if 'PONYSAY_KMS_PALETTE_CMD' in os.environ else None if (env_kms_cmd is not None) and (not env_kms_cmd == ''): env_kms = Popen(shlex.split(env_kms_cmd), stdout=PIPE, stdin=sys.stderr).communicate()[0].decode('utf8', 'replace') if env_kms[-1] == '\n': env_kms = env_kms[:-1] if env_kms == '': return pony palette = env_kms palettefile = env_kms.replace('\033]P', '') cachedir = '/var/cache/ponysay' if not os.path.isdir(cachedir): cachedir = HOME + '/.cache/ponysay' if not os.path.isdir(cachedir): os.makedirs(cachedir) newversion = False if not os.path.isfile(cachedir + '/.version'): newversion = True else: cachev = None try: cachev = open(cachedir + '/.version', 'r') if ''.join(cachev.readlines()) == KMS_VERSION: newversion = True finally: if cachev is not None: cachev.close() if newversion: for cached in os.listdir(cachedir): cached = cachedir + '/' + cached if os.path.isdir(cached) and not os.path.islink(cached): shutil.rmtree(cached, False) else: os.remove(cached) cachev = None try: cachev = open(cachedir + '/.version', 'w+') cachev.write(KMS_VERSION) finally: if cachev is not None: cachev.close() kmsponies = cachedir + '/kmsponies/' + palettefile kmspony = (kmsponies + pony).replace('//', '/') if not os.path.isfile(kmspony): protokmsponies = cachedir + '/protokmsponies/' protokmspony = (protokmsponies + pony).replace('//', '/') protokmsponydir = protokmspony[:protokmspony.rindex('/')] kmsponydir = kmspony[: kmspony.rindex('/')] _protokmspony = '\'' + protokmspony.replace('\'', '\'\\\'\'') + '\'' _kmspony = '\'' + kmspony.replace('\'', '\'\\\'\'') + '\'' _pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\'' if not os.path.isfile(protokmspony): if not os.path.isdir(protokmsponydir): os.makedirs(protokmsponydir) if not os.system('ponysay2ttyponysay < ' + _pony + ' > ' + _protokmspony) == 0: sys.stderr.write('Unable to run ponysay2ttyponysay successfully, you need util-say for KMS support\n') exit(1) if not os.path.isdir(kmsponydir): os.makedirs(kmsponydir) if not os.system('tty2colourfultty -p ' + palette + ' < ' + _protokmspony + ' > ' + _kmspony) == 0: sys.stderr.write('Unable to run tty2colourfultty successfully, you need util-say for KMS support\n') exit(1) return kmspony ARGUMENTLESS = 0 ARGUMENTED = 1 VARIADIC = 2 ''' Simple argument parser ''' 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 = alternatives[0] self.opts[stdalt] = 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 = alternatives[0] self.opts[stdalt] = None for alt in alternatives: self.optmap[alt] = (stdalt, ARGUMENTED) ''' Add option that takes all following argument ''' def add_variadic(self, alternatives, arg, help = None): self.__arguments.append((VARIADIC, alternatives, arg, help)) stdalt = alternatives[0] self.opts[stdalt] = None for alt in alternatives: self.optmap[alt] = (stdalt, VARIADIC) ''' Parse arguments ''' def parse(self, argv = sys.argv): self.argcount = len(argv) - 1 self.files = [] argqueue = [] optqueue = [] deque = [] for arg in argv[1:]: deque.append(arg) dashed = False tmpdashed = False get = 0 dontget = 0 def unrecognised(arg): sys.stderr.write('%s: warning: unrecognised option %s\n' % (self.__program, arg)) while len(deque) != 0: arg = deque[0] deque = deque[1:] if (get > 0) and (dontget == 0): get -= 1 argqueue.append(arg) elif tmpdashed: self.files.append(arg) tmpdashed = False elif dashed: self.files.append(arg) elif arg == '++': tmpdashed = True elif arg == '--': dashed = True elif (len(arg) > 1) and (arg[0] in ('-', '+')): if (len(arg) > 2) and (arg[:2] in ('--', '++')): if dontget > 0: dontget -= 1 elif (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:]) if self.optmap[arg_opt][1] == VARIADIC: dashed = True else: unrecognised(arg) elif (arg in self.optmap) and (self.optmap[arg][1] == ARGUMENTED): optqueue.append(arg) get += 1 elif (arg in self.optmap) and (self.optmap[arg][1] == VARIADIC): optqueue.append(arg) argqueue.append(None) dashed = True else: unrecognised(arg) else: sign = arg[0] i = 1 n = len(arg) while i < n: narg = sign + arg[i] i += 1 if (narg in self.optmap): if self.optmap[narg][1] == ARGUMENTLESS: optqueue.append(narg) argqueue.append(None) elif self.optmap[narg][1] == ARGUMENTED: optqueue.append(narg) nargarg = arg[i:] if len(nargarg) == 0: get += 1 else: argqueue.append(nargarg) break elif self.optmap[narg][1] == VARIADIC: optqueue.append(narg) nargarg = arg[i:] argqueue.append(nargarg if len(nargarg) > 0 else None) dashed = True break else: unrecognised(arg) else: self.files.append(arg) i = 0 n = len(optqueue) while i < n: opt = optqueue[i] arg = argqueue[i] i += 1 opt = self.optmap[opt][0] if (opt not in self.opts) or (self.opts[opt] is None): self.opts[opt] = [] self.opts[opt].append(arg) for arg in self.__arguments: if (arg[0] == VARIADIC): varopt = self.opts[arg[1][0]] if varopt is not None: additional = ','.join(self.files).split(',') if len(self.files) > 0 else [] if varopt[0] is None: self.opts[arg[1][0]] = additional else: self.opts[arg[1][0]] = varopt[0].split(',') + additional self.files = [] break self.message = ' '.join(self.files) if len(self.files) > 0 else None ''' Prints a colourful help message ''' def help(self): print('\033[1m%s\033[21m %s %s' % (self.__program, '-' if linuxvt else '—', self.__description)) print() if self.__longdescription is not None: print(self.__longdescription) print() print('\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() print('\033[1mSYNOPSIS:\033[21m') (lines, lens) = ([], []) for opt in self.__arguments: opt_type = opt[0] opt_alts = opt[1] opt_arg = opt[2] opt_help = opt[3] if opt_help is None: continue (line, l) = ('', 0) first = opt_alts[0] last = opt_alts[-1] alts = ('', last) if first is last else (first, last) for opt_alt in alts: if opt_alt is alts[-1]: line += '%colour%' + opt_alt l += len(opt_alt) if opt_type == ARGUMENTED: line += ' \033[4m%s\033[24m' % (opt_arg); l += len(opt_arg) + 1 elif opt_type == VARIADIC: line += ' [\033[4m%s\033[24m...]' % (opt_arg); l += len(opt_arg) + 6 else: line += ' \033[2m%s\033[22m ' % (opt_alt) l += len(opt_alt) + 6 lines.append(line) lens.append(l) col = max(lens) col += 8 - ((col - 4) & 7) index = 0 for opt in self.__arguments: opt_help = opt[3] if opt_help is None: continue first = True colour = '36' if (index & 1) == 0 else '34' print(lines[index].replace('%colour%', '\033[%s;1m' % (colour)), end=' ' * (col - lens[index])) for line in opt_help.split('\n'): if first: first = False print('%s' % (line), end='\033[21;39m\n') else: print('%s\033[%sm%s\033[39m' % (' ' * col, colour, line)) index += 1 print() ''' Balloon format class ''' class Balloon(): ''' Constructor ''' def __init__(self, link, linkmirror, ww, ee, nw, nnw, n, nne, ne, nee, e, see, se, sse, s, ssw, sw, sww, w, nww): (self.link, self.linkmirror) = (link, linkmirror) (self.ww, self.ee) = (ww, ee) (self.nw, self.ne, self.se, self.sw) = (nw, ne, se, sw) (self.nnw, self.n, self.nne) = (nnw, n, nne) (self.nee, self.e, self.see) = (nee, e, see) (self.sse, self.s, self.ssw) = (sse, s, ssw) (self.sww, self.w, self.nww) = (sww, w, nww) _ne = max(ne, key = UCS.dispLen) _nw = max(nw, key = UCS.dispLen) _se = max(se, key = UCS.dispLen) _sw = max(sw, key = UCS.dispLen) minE = UCS.dispLen(max([_ne, nee, e, see, _se, ee], key = UCS.dispLen)) minW = UCS.dispLen(max([_nw, nww, e, sww, _sw, ww], key = UCS.dispLen)) minN = len(max([ne, nne, n, nnw, nw], key = len)) minS = len(max([se, sse, s, ssw, sw], key = len)) self.minwidth = minE + minE self.minheight = minN + minS ''' Generates a balloon with a message ''' def get(self, minw, minh, lines, lencalc): h = self.minheight + len(lines) w = self.minwidth + lencalc(max(lines, key = lencalc)) if w < minw: w = minw if h < minh: h = minh if len(lines) > 1: (ws, es) = ({0 : self.nww, len(lines) - 1 : self.sww}, {0 : self.nee, len(lines) - 1 : self.see}) for j in range(1, len(lines) - 1): ws[j] = self.w es[j] = self.e else: (ws, es) = ({0 : self.ww}, {0 : self.ee}) rc = [] for j in range(0, len(self.n)): outer = UCS.dispLen(self.nw[j]) + UCS.dispLen(self.ne[j]) inner = UCS.dispLen(self.nnw[j]) + UCS.dispLen(self.nne[j]) if outer + inner >= w: rc.append(self.nw[j] + self.nnw[j] + self.n[j] * (w - outer - inner) + self.nne[j] + self.ne[j]) else: rc.append(self.nw[j] + self.n[j] * (w - outer) + self.ne[j]) for j in range(0, len(lines)): rc.append(ws[j] + lines[j] + ' ' * (w - lencalc(lines[j]) - UCS.dispLen(self.w) - UCS.dispLen(self.e)) + es[j]) for j in range(0, len(self.s)): outer = UCS.dispLen(self.sw[j]) + UCS.dispLen(self.se[j]) inner = UCS.dispLen(self.ssw[j]) + UCS.dispLen(self.sse[j]) if outer + inner >= w: rc.append(self.sw[j] + self.ssw[j] + self.s[j] * (w - outer - inner) + self.sse[j] + self.se[j]) else: rc.append(self.sw[j] + self.s[j] * (w - outer) + self.se[j]) return '\n'.join(rc) ''' Replacement for cowsay ''' class Backend(): ''' Constructor Takes message [string], ponyfile [filename string], wrapcolumn [None or an int], width [None or an int] and balloon [Balloon object] ''' def __init__(self, message, ponyfile, wrapcolumn, width, balloon): self.message = message self.ponyfile = ponyfile self.wrapcolumn = wrapcolumn self.width = width self.balloon = balloon self.link = {'\\' : self.balloon.link, '/' : self.balloon.linkmirror} self.output = '' self.pony = None ''' Process all data ''' def parse(self): self.__expandMessage() self.__loadFile() self.__processPony() self.__truncate() ''' Converts all tabs in the message to spaces by expanding ''' def __expandMessage(self): lines = self.message.split('\n') buf = '' for line in lines: (i, n, x) = (0, len(line), 0) while i < n: c = line[i] i += 1 if c == '\033': colour = self.__getcolour(line, i - 1) i += len(colour) - 1 buf += colour elif c == '\t': nx = 8 - (x & 7) buf += ' ' * nx x += nx else: buf += c if not UCS.isCombining(c): x += 1 buf += '\n' self.message = buf[:-1] ''' Loads the pony file ''' def __loadFile(self): ponystream = None try: ponystream = open(self.ponyfile, 'r') self.pony = ''.join(ponystream.readlines()) finally: if ponystream is not None: ponystream.close() ''' Truncate output to the width of the screen ''' def __truncate(self): if self.width is None: return lines = self.output.split('\n') self.output = '' for line in lines: (i, n, x) = (0, len(line), 0) while i < n: c = line[i] i += 1 if c == '\033': colour = self.__getcolour(line, i - 1) i += len(colour) - 1 self.output += colour else: if x < self.width: self.output += c if not UCS.isCombining(c): x += 1 self.output += '\n' self.output = self.output[:-1] ''' Process the pony file and generate output to self.output ''' def __processPony(self): self.output = '' AUTO_PUSH = '\033[01010~' AUTO_POP = '\033[10101~' variables = {'' : '$'} for key in self.link: variables[key] = AUTO_PUSH + self.link[key] + AUTO_POP indent = 0 dollar = None balloonLines = None colourstack = ColourStack(AUTO_PUSH, AUTO_POP) (i, n, lineindex, skip, nonskip) = (0, len(self.pony), 0, 0, 0) while i < n: c = self.pony[i] if c == '\t': n += 8 - (indent & 7) ed = ' ' * (7 - (indent & 7)) c = ' ' self.pony = self.pony[:i] + ed + self.pony[i:] i += 1 if c == '$': if dollar is not None: if '=' in dollar: name = dollar[:find('=')] value = dollar[find('=') + 1:] variables[name] = value elif (len(dollar) < 7) or not (dollar[:7] == 'balloon'): data = variables[dollar].replace('$', '$$') if data == '$$': # if not handled specially we will get an infinity loop if (skip == 0) or (nonskip > 0): if nonskip > 0: nonskip -= 1 self.output += '$' indent += 1 else: skip -= 1 else: n += len(data) self.pony = self.pony[:i] + data + self.pony[i:] else: (w, h) = (0, 0) props = dollar[7:] if len(props) > 0: if ',' in props: if props[0] is not ',': w = int(props[:props.index(',')]) h = int(props[props.index(',') + 1:]) else: w = int(props) balloon = self.__getballoon(w, h, indent).split('\n') balloon = [AUTO_PUSH + item + AUTO_POP for item in balloon] for b in balloon[0]: self.output += b + colourstack.feed(b) if lineindex == 0: balloonpre = '\n' + (' ' * indent) for line in balloon[1:]: self.output += balloonpre; for b in line: self.output += b + colourstack.feed(b); indent = 0 elif len(balloon) > 1: balloonLines = balloon balloonLine = 0 balloonIndent = indent indent += self.__len(balloonLines[0]) balloonLines[0] = None dollar = None else: dollar = '' elif dollar is not None: if c == '\033': c = self.pony[i] i += 1 dollar += c elif c == '\033': colour = self.__getcolour(self.pony, i - 1) for b in colour: self.output += b + colourstack.feed(b); i += len(colour) - 1 elif c == '\n': self.output += c indent = 0 (skip, nonskip) = (0, 0) lineindex += 1 if balloonLines is not None: balloonLine += 1 if balloonLine == len(balloonLines): balloonLines = None else: if (balloonLines is not None) and (balloonLines[balloonLine] is not None) and (balloonIndent == indent): data = balloonLines[balloonLine] datalen = self.__len(data) skip += datalen nonskip += datalen data = data.replace('$', '$$') n += len(data) self.pony = self.pony[:i] + data + self.pony[i:] balloonLines[balloonLine] = None else: if (skip == 0) or (nonskip > 0): if nonskip > 0: nonskip -= 1 self.output += c + colourstack.feed(c); if not UCS.isCombining(c): indent += 1 else: skip -= 1 if balloonLines is not None: for line in balloonLines[balloonLine:]: data = ' ' * (balloonIndent - indent) + line + '\n' for b in data: self.output += b + colourstack.feed(b); indent = 0 self.output = self.output.replace(AUTO_PUSH, '').replace(AUTO_POP, '') ''' Gets colour code att the currect offset in a buffer ''' def __getcolour(self, input, offset): (i, n) = (offset, len(input)) rc = input[i] i += 1 if i == n: return rc c = input[i] i += 1 rc += c if c == ']': if i == n: return rc c = input[i] i += 1 rc += c if c == 'P': di = 0 while (di < 7) and (i < n): c = input[i] i += 1 di += 1 rc += c elif c == '[': while i < n: c = input[i] i += 1 rc += c if (c == '~') or (('a' <= c) and (c <= 'z')) or (('A' <= c) and (c <= 'Z')): break return rc ''' Calculates the number of visible characters in a text ''' def __len(self, input): (rc, i, n) = (0, 0, len(input)) while i < n: c = input[i] if c == '\033': i += len(self.__getcolour(input, i)) else: i += 1 if not UCS.isCombining(c): rc += 1 return rc ''' Generates a balloon with the message ''' def __getballoon(self, width, height, left): wrap = None if self.wrapcolumn is not None: wrap = self.wrapcolumn - left if wrap < 8: wrap = 8 msg = self.message if wrap is not None: msg = self.__wrapMessage(msg, wrap) if '\033' in msg: AUTO_PUSH = '\033[01010~' AUTO_POP = '\033[10101~' cstack = ColourStack(AUTO_PUSH, AUTO_POP) buf = '' for c in msg: if c == '\n': for cc in ('%s\n%s' % (AUTO_PUSH, AUTO_POP)): buf += cc buf += cstack.feed(cc) else: buf += c buf += cstack.feed(c) msg = buf return self.balloon.get(width, height, msg.split('\n'), self.__len) ''' Wraps the message ''' def __wrapMessage(self, message, wrap): lines = message.split('\n') buf = '' for line in lines: b = [None] * len(line) map = {} (bi, cols, w) = (0, 0, wrap) (indent, indentc) = (-1, 0) (i, n) = (0, len(line)) while i <= n: d = None if i != n: d = line[i] i += 1 if d == '\033': # TODO this should use self.__getcolour() b[bi] = d bi += 1 b[bi] = line[i] d = line[i] bi += 1 i += 1 if d == '[': while True: b[bi] = line[i] d = line[i] bi += 1 i += 1 if (('a' <= d) and (d <= 'z')) or (('A' <= d) and (d <= 'Z')) or (d == '~'): break elif d == ']': b[bi] = line[i] d = line[i] bi += 1 i += 1 if d == 'P': for j in range(0, 7): b[bi] = line[i] bi += 1 i += 1 elif (d is not None) and (d != ' '): if indent == -1: indent = i - 1 for j in range(0, indent): if line[j] == ' ': indentc += 1 b[bi] = d bi += 1 if not UCS.isCombining(d): cols += 1 map[cols] = bi else: mm = 0 while (w > 8) and (cols > w + 3): mm += w - 1 m = map[mm] for bb in b[:m]: buf += bb buf += '-\n' cols -= w - 1 m += w -1 bi -= m bb = b[m:] for j in range(0, bi): b[j] = bb[j] w = wrap if indent != -1: buf += line[:indent] w -= indentc if cols > w: buf += '\n' w = wrap if indent != -1: buf += line[:indent] w -= indentc for bb in b[:bi]: buf += bb w -= cols cols = 0 bi = 0 if d == -1: i += 1 else: if w > 0: buf += ' ' w -= 1 else: buf += '\n' w = wrap if indent != -1: buf + line[:indent] w -= indentc buf += '\n' return '\n'.join(line.rstrip() for line in buf[:-1].split('\n')) ''' ANSI colour stack ''' class ColourStack(): ''' Constructor ''' def __init__(self, autopush, autopop): self.autopush = autopush self.autopop = autopop self.lenpush = len(autopush) self.lenpop = len(autopop) self.bufproto = ' ' * (self.lenpush if self.lenpush > self.lenpop else self.lenpop) self.stack = [] self.push() self.seq = None def push(self): self.stack = [[self.bufproto, None, None, [False] * 9]] + self.stack if len(self.stack) == 1: return None old = self.stack[1] rc = '\033[' if old[1] is not None: rc += '39;' if old[2] is not None: rc += '49;' for i in range(0, 9): if old[3][i]: rc += '2%i;' % (i + 1) return '' if len(rc) == 2 else (rc[:-1] + 'm') def pop(self): old = self.stack[0] self.stack = self.stack[1:] rc = '\033[' if old[1] is not None: rc += '39;' if old[2] is not None: rc += '49;' for i in range(0, 9): if old[3][i]: rc += str(i + 21) + ';' new = self.stack[0] if new[1] is not None: rc += new[1] + ';' if new[2] is not None: rc += new[2] + ';' for i in range(0, 9): if new[3][i]: rc += str(i + 1) + ';' return '' if len(rc) == 2 else (rc[:-1] + 'm') def feed(self, char): if self.seq is not None: self.seq += char if (char == '~') or (('a' <= char) and (char <= 'z')) or (('A' <= char) and (char <= 'Z')): if (self.seq[0] == '[') and (self.seq[-1] == 'm'): self.seq = self.seq[1:-1].split(';') (i, n) = (0, len(self.seq)) while i < n: part = self.seq[i] p = 0 if part == '' else int(part) i += 1 if p == 0: self.stack[0][1:] = [None, None, [False] * 9] elif (1 <= p) and (p <= 9): self.stack[0][3][p - 1] = True elif (21 <= p) and (p <= 29): self.stack[0][3][p - 21] = False elif p == 39: self.stack[0][1] = None elif p == 49: self.stack[0][2] = None elif (30 <= p) and (p <= 37): self.stack[0][1] = part elif (90 <= p) and (p <= 97): self.stack[0][1] = part elif (40 <= p) and (p <= 47): self.stack[0][2] = part elif (100 <= p) and (p <= 107): self.stack[0][2] = part elif p == 38: self.stack[0][1] = '%s;%s;%s' % (part, self.seq[i], self.seq[i + 1]) i += 2 elif p == 48: self.stack[0][2] = '%s;%s;%s' % (part, self.seq[i], self.seq[i + 1]) i += 2 self.seq = None elif char == '\033': self.seq = '' buf = self.stack[0][0] buf = buf[1:] + char rc = '' if buf[-self.lenpush:] == self.autopush: rc = self.push() elif buf[-self.lenpop:] == self.autopop: rc = self.pop() self.stack[0][0] = buf return rc ''' UCS utility class ''' class UCS(): ''' Checks whether a character is a combining character ''' @staticmethod def isCombining(char): o = ord(char) if (0x0300 <= o) and (o <= 0x036F): return True if (0x20D0 <= o) and (o <= 0x20FF): return True if (0x1DC0 <= o) and (o <= 0x1DFF): return True if (0xFE20 <= o) and (o <= 0xFE2F): return True return False ''' Gets the number of combining characters in a string ''' @staticmethod def countCombining(string): rc = 0 for char in string: if UCS.isCombining(char): rc += 1 return rc ''' Gets length of a string not counting combining characters ''' @staticmethod def dispLen(string): return len(string) - UCS.countCombining(string) ''' The user's home directory ''' HOME = os.environ['HOME'] if 'HOME' in os.environ else os.path.expanduser('~') ''' Whether the program is execute in Linux VT (TTY) ''' linuxvt = ('TERM' in os.environ) and (os.environ['TERM'] == 'linux') ''' Whether the script is executed as ponythink ''' isthink = (len(__file__) >= 5) and (__file__[-5:] == 'think') isthink = ((len(__file__) >= 8) and (__file__[-8:] == 'think.py')) or isthink ''' Whether stdin is piped ''' pipelinein = not sys.stdin.isatty() ''' Whether stdout is piped ''' pipelineout = not sys.stdout.isatty() ''' Whether stderr is piped ''' pipelineerr = not sys.stderr.isatty() ''' Whether KMS is used ''' usekms = Ponysay.isUsingKMS() ''' The directories where pony files are stored, ttyponies/ are used if the terminal is Linux VT (also known as TTY) and not with KMS ''' appendset = set() ponydirs = [] if linuxvt and not usekms: _ponydirs = [HOME + '/.local/share/ponysay/ttyponies/', '/usr/share/ponysay/ttyponies/'] else: _ponydirs = [HOME + '/.local/share/ponysay/ponies/', '/usr/share/ponysay/ponies/'] for ponydir in _ponydirs: if os.path.isdir(ponydir) and (ponydir not in appendset): ponydirs.append(ponydir) appendset.add(ponydir) ''' The directories where pony files are stored, extrattyponies/ are used if the terminal is Linux VT (also known as TTY) and not with KMS ''' appendsetset = set() extraponydirs = [] if linuxvt and not usekms: _extraponydirs = [HOME + '/.local/share/ponysay/extrattyponies/', '/usr/share/ponysay/extrattyponies/'] else: _extraponydirs = [HOME + '/.local/share/ponysay/extraponies/', '/usr/share/ponysay/extraponies/'] for extraponydir in _extraponydirs: if os.path.isdir(extraponydir) and (extraponydir not in appendset): extraponydirs.append(extraponydir) appendset.add(extraponydir) ''' The directories where quotes files are stored ''' appendset = set() quotedirs = [] _quotedirs = [HOME + '/.local/share/ponysay/quotes/', '/usr/share/ponysay/quotes/'] for quotedir in _quotedirs: if os.path.isdir(quotedir) and (quotedir not in appendset): quotedirs.append(quotedir) appendset.add(quotedir) ''' The directories where balloon style files are stored ''' appendset = set() balloondirs = [] _balloondirs = [HOME + '/.local/share/ponysay/balloons/', '/usr/share/ponysay/balloons/'] for balloondir in _balloondirs: if os.path.isdir(balloondir) and (balloondir not in appendset): balloondirs.append(balloondir) appendset.add(balloondir) ''' ucsmap files ''' appendset = set() ucsmaps = [] _ucsmaps = [HOME + '/.local/share/ponysay/ucsmap', '/usr/share/ponysay/ucsmap'] for ucsmap in _ucsmaps: if os.path.isdir(ucsmap) and (ucsmap not in appendset): ucsmaps.append(ucsmap) appendset.add(ucsmap) usage_saythink = '\033[34;1m(ponysay | ponythink)\033[21;39m' usage_common = '[-c] [-W\033[4mCOLUMN\033[24m] [-b\033[4mSTYLE\033[24m]' usage_listhelp = '(-l | -L | -B | +l | +L | -v | -h)' usage_file = '[-f\033[4mPONY\033[24m]* [[--] \033[4mmessage\033[24m]' usage_xfile = '[-F\033[4mPONY\033[24m]* [[--] \033[4mmessage\033[24m]' usage_quote = '-q [\033[4mPONY\033[24m*]' usage = '%s %s\n%s %s %s\n%s %s %s\n%s %s %s' % (usage_saythink, usage_listhelp, usage_saythink, usage_common, usage_file, usage_saythink, usage_common, usage_xfile, usage_saythink, usage_common, usage_quote) usage = usage.replace('\033[', '\0') for sym in ('[', ']', '(', ')', '|', '...', '*'): usage = usage.replace(sym, '\033[2m' + sym + '\033[22m') usage = usage.replace('\0', '\033[') ''' Argument parsing ''' opts = ArgParser(program = 'ponythink' if isthink else 'ponysay', description = 'cowsay reimplemention for ponies', usage = usage, longdescription = '''Ponysay displays an image of a pony saying some text provided by the user. If \033[4mmessage\033[24m is not provided, it accepts standard input. For an extensive documentation run `info ponysay`, or for just a little more help than this run `man ponysay`. Ponysay has so much more to offer than described here.''') opts.add_argumentless(['--quoters']) opts.add_argumentless(['--onelist']) opts.add_argumentless(['++onelist']) opts.add_argumentless(['-h', '--help'], help = 'Print this help message.') opts.add_argumentless(['-v', '--version'], help = 'Print the version of the program.') opts.add_argumentless(['-l', '--list'], help = 'List pony names.') opts.add_argumentless(['-L', '--symlist', '--altlist'], help = 'List pony names with alternatives.') opts.add_argumentless(['+l', '++list'], help = 'List non-MLP:FiM pony names.') opts.add_argumentless(['+L', '++symlist', '++altlist'], help = 'List non-MLP:FiM pony names with alternatives.') opts.add_argumentless(['-B', '--bubblelist', '--balloonlist'], help = 'List balloon styles.') opts.add_argumentless(['-c', '--compact'], help = 'Compress messages.') opts.add_argumented( ['-W', '--wrap'], arg = 'COLUMN', help = 'Specify column where the message should be wrapped.') opts.add_argumented( ['-b', '--bubble', '--balloon'], arg = 'STYLE', help = 'Select a balloon style.') opts.add_argumented( ['-f', '--file', '--pony'], arg = 'PONY', help = 'Select a pony.\nEither a file name or a pony name.') opts.add_argumented( ['-F', '++file', '++pony'], arg = 'PONY', help = 'Select a non-MLP:FiM pony.') opts.add_variadic( ['-q', '--quote'], arg = 'PONY', help = 'Select a ponies which will quote themself.') opts.parse() ''' Start the program from ponysay.__init__ if this is the executed file ''' if __name__ == '__main__': Ponysay(opts)