#!/usr/bin/env python3 # -*- coding: utf-8 -*- ''' ponysay - 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. ''' import os import sys from subprocess import Popen, PIPE from ponysay import * ''' The version of ponysay ''' VERSION = 'dev' # this line should not be edited, it is fixed by the build system ''' Hack to enforce UTF-8 in output (in the future, if you see anypony not using utf-8 in programs by default, report them to Princess Celestia so she can banish them to the moon) @param text:str The text to print (empty string is default) @param end:str The appendix to the text to print (line breaking is default) ''' def print(text = '', end = '\n'): sys.stdout.buffer.write((str(text) + end).encode('utf-8')) ''' stderr equivalent to print() @param text:str The text to print (empty string is default) @param end:str The appendix to the text to print (line breaking is default) ''' def printerr(text = '', end = '\n'): sys.stderr.buffer.write((str(text) + end).encode('utf-8')) ''' This is the mane class of ponysay-tool ''' class PonysayTool(): ''' Starts the part of the program the arguments indicate @param args:ArgParser Parsed command line arguments ''' def __init__(self, args): if args.argcount == 0: args.help() exit(255) return opts = args.opts if unrecognised or (opts['-h'] is not None): args.help() if unrecognised: exit(254) elif opts['-v'] is not None: print('%s %s' % ('ponysay-tool', VERSION)) elif (opts['--edit'] is not None) and (len(opts['--edit']) == 1): pony = opts['--edit'][0] if not os.path.isfile(pony): printerr('%s is not an existing regular file' % pony) exit(252) linuxvt = ('TERM' in os.environ) and (os.environ['TERM'] == 'linux') try: print('\033[?1049h', end='') # initialise terminal if linuxvt: print('\033[?8c', end='') # use full block for cursor (_ is used by default in linux vt) cmd = 'stty %s < %s > /dev/null 2> /dev/null' cmd %= ('-echo -icanon -isig -ixoff -ixon', os.path.realpath('/dev/stdout')) Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE).wait() self.editmeta(pony) finally: cmd = 'stty %s < %s > /dev/null 2> /dev/null' cmd %= ('echo icanon isig ixoff ixon', os.path.realpath('/dev/stdout')) Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE).wait() if linuxvt: print('\033[?0c', end='') # restore cursor print('\033[?1049l', end='') # terminate terminal elif (opts['--edit-rm'] is not None) and (len(opts['--edit-rm']) == 1): ponyfile = opts['--edit-rm'][0] pony = None with open(ponyfile, 'rb') as file: pony = file.read().decode('utf8', 'replace') if pony.startswith('$$$\n'): pony = pony[3:] pony = pony[pony.index('\n$$$\n') + 5:] with open(ponyfile, 'wb') as file: file.write(pony.encode('utf8')) elif (opts['--edit-stash'] is not None) and (len(opts['--edit-stash']) == 1): ponyfile = opts['--edit-stash'][0] pony = None with open(ponyfile, 'rb') as file: pony = file.read().decode('utf8', 'replace') if pony.startswith('$$$\n'): pony = pony[3:] pony = pony[:pony.index('\n$$$\n')] print('$$$' + pony + '\n$$$\n', end='') else: print('$$$\n$$$\n', end='') elif (opts['--edit-apply'] is not None) and (len(opts['--edit-apply']) == 1): data = '' while True: line = input() if data == '': if line != '$$$': printerr('Bad stash') exit(251) data += '$$$\n' else: data += line + '\n' if line == '$$$': break ponyfile = opts['--edit-apply'][0] pony = None with open(ponyfile, 'rb') as file: pony = file.read().decode('utf8', 'replace') if pony.startswith('$$$\n'): pony = pony[3:] pony = pony[pony.index('\n$$$\n') + 5:] with open(ponyfile, 'wb') as file: file.write((data + pony).encode('utf8')) else: exit(253) ''' Edit a pony file's metadata @param ponyfile:str A pony file to edit ''' def editmeta(self, ponyfile): (data, meta, image) = 3 * [None] with open(ponyfile, 'rb') as file: data = file.read().decode('utf8', 'replace') data = [line.replace('\n', '') for line in data.split('\n')] if data[0] != '$$$': image = data meta = [] else: sep = 1 while data[sep] != '$$$': sep += 1 meta = data[1 : sep] image = data[sep + 1:] class PhonyArgParser: def __init__(self): self.argcount = 3 self.message = ponyfile self.opts = self def __getitem__(self, key): return [ponyfile] if key == '-f' else None data = {} comment = [] for line in meta: if ': ' in line: key = line.replace('\t', ' ') key = key[:key.find(': ')] key = key.strip(' ') if key == key.upper(): value = line.replace('\t', ' ') value = value[value.find(': ') + 2:] if key not in data: data[key] = value.strip(' ') else: data[key] += '\n' + value.strip(' ') else: comment.append(line) cut = 0 while (len(comment) > cut) and (len(comment[cut]) == 0): cut += 1 comment = comment[cut:] stdout = sys.stdout class StringInputStream: def __init__(self): self.buf = '' class Buffer: def __init__(self, parent): self.parent = parent def write(self, data): self.parent.buf += data.decode('utf8', 'replace') def flush(self): pass self.buffer = Buffer(self) def flush(self): pass def isatty(self): return True sys.stdout = StringInputStream() ponysay = Ponysay() ponysay.run(PhonyArgParser()) printpony = sys.stdout.buf[:-1].split('\n') sys.stdout = stdout preprint = '\033[H\033[2J' if printpony[0].startswith(preprint): printpony[0] = printpony[0][len(preprint):] ponyheight = len(printpony) ponywidth = Backend.len(max(printpony, key = Backend.len)) ## Call `stty` to determine the size of the terminal, this way is better then using python's ncurses termsize = None for channel in (sys.stdout, sys.stdin, sys.stderr): termsize = Popen(['stty', 'size'], stdout=PIPE, stdin=channel, stderr=PIPE).communicate()[0] if len(termsize) > 0: termsize = termsize.decode('utf8', 'replace')[:-1].split(' ') # [:-1] removes a \n termsize = [int(item) for item in termsize] break AUTO_PUSH = '\033[01010~' AUTO_POP = '\033[10101~' modprintpony = '\n'.join(printpony).replace('\n', AUTO_PUSH + '\n' + AUTO_POP) colourstack = ColourStack(AUTO_PUSH, AUTO_POP) buf = '' for c in modprintpony: buf += c + colourstack.feed(c) modprintpony = buf.replace(AUTO_PUSH, '').replace(AUTO_POP, '') printpony = [('\033[21;39;49;0m%s%s\033[21;39;49;0m' % (' ' * (termsize[1] - ponywidth), line)) for line in modprintpony.split('\n')] print(preprint, end='') print('\n'.join(printpony), end='') print('\033[H', end='') print('Please see the info manual for details on how to fill out this form') print() if 'WIDTH' in data: del data['WIDTH'] if 'HEIGHT' in data: del data['HEIGHT'] data['comment'] = '\n'.join(comment) fields = [key for key in data] fields.sort() standardfields = ['GROUP NAME', 'NAME', 'OTHER NAMES', 'APPEARANCE', 'KIND', 'GROUP', 'BALLOON', 'LINK', 'LINK ON', 'COAT', 'MANE', 'EYE', 'AURA', 'DISPLAY', 'MASTER', 'SOURCE', 'MEDIA', 'LICENSE', 'FREE', 'comment'] for standard in standardfields: if standard in fields: del fields[fields.index(standard)] if standard not in data: data[standard] = '' fields = standardfields[:-1] + fields + [standardfields[-1]] def saver(ponyfile, ponyheight, ponywidth, data, image): class Saver: def __init__(self, ponyfile, ponyheight, ponywidth, data, image): (self.ponyfile, self.ponyheight, self.ponywidth, self.data, self.image) = (ponyfile, ponyheight, ponywidth, data, image) def __call__(self): # functor comment = self.data['comment'] comment = ('\n' + comment + '\n').replace('\n$$$\n', '\n\\$$$\n')[:-1] meta = [] for key in self.data: if (key == 'comment') or (len(self.data[key].strip()) == 0): continue values = self.data[key].strip() for value in values.split('\n'): meta.append(key + ': ' + value) meta.append('WIDTH: ' + str(self.ponywidth)) meta.append('HEIGHT: ' + str(self.ponyheight)) meta.append(comment) meta = '\n'.join(meta) ponydata = '$$$\n' + meta + '\n$$$\n' + '\n'.join(self.image) with open(self.ponyfile, 'wb') as file: file.write(ponydata.encode('utf8')) file.flush() return Saver(ponyfile, ponyheight, ponywidth, data, image) textarea = TextArea(fields, data, 1, 3, termsize[1] - ponywidth, termsize[0] - 2, termsize) textarea.run(saver(ponyfile, ponyheight, ponywidth, data, image)) ''' GNU Emacs alike text area ''' class TextArea: ''' Constructor @param fields:list Field names @param datamap:dist Data map @param left:int Left position of the component @param top:int Top position of the component @param width:int Width of the component @param height:int Height of the component @param termsize:(int,int) The height and width of the terminal ''' def __init__(self, fields, datamap, left, top, width, height, termsize): (self.fields, self.datamap, self.left, self.top, self.width, self.height, self.termsize) \ = (fields, datamap, left, top, width - 1, height, termsize) ''' Execute text reading @param saver Save method ''' def run(self, saver): innerleft = UCS.dispLen(max(self.fields, key = UCS.dispLen)) + self.left + 3 leftlines = [] datalines = [] for key in self.fields: for line in self.datamap[key].split('\n'): leftlines.append(key) datalines.append(line) (termh, termw) = self.termsize (y, x) = (0, 0) mark = None def status(text): print('\033[%i;%iH\033[7m%s\033[27m\033[%i;%iH' % (termh - 1, 1, ' (' + text + ') ' + '-' * (termw - len(' (' + text + ') ')), self.top + y, innerleft + x), end='') status('unmodified') print('\033[%i;%iH' % (self.top, innerleft), end='') def alert(text): if text is None: alert('') else: print('\033[%i;%iH\033[2K%s\033[%i;%iH' % (termh, 1, text, self.top + y, innerleft + x), end='') modified = False override = False (oldy, oldx, oldmark) = (y, x, mark) stored = chr(ord('L') - ord('@')) alerted = False edited = False print('\033[%i;%iH' % (self.top + y, innerleft + x), end='') while True: if (oldmark is not None) and (oldmark >= 0): if oldmark < oldx: print('\033[%i;%iH\033[49m%s\033[%i;%iH' % (self.top + oldy, innerleft + oldmark, datalines[oldy][oldmark : oldx], self.top + y, innerleft + x), end='') elif oldmark > oldx: print('\033[%i;%iH\033[49m%s\033[%i;%iH' % (self.top + oldy, innerleft + oldx, datalines[oldy][oldx : oldmark], self.top + y, innerleft + x), end='') if (mark is not None) and (mark >= 0): if mark < x: print('\033[%i;%iH\033[44;37m%s\033[49;39m\033[%i;%iH' % (self.top + y, innerleft + mark, datalines[y][mark : x], self.top + y, innerleft + x), end='') elif mark > x: print('\033[%i;%iH\033[44;37m%s\033[49;39m\033[%i;%iH' % (self.top + y, innerleft + x, datalines[y][x : mark], self.top + y, innerleft + x), end='') if y != oldy: if (oldy > 0) and (leftlines[oldy - 1] == leftlines[oldy]) and (leftlines[oldy] == leftlines[-1]): print('\033[%i;%iH\033[34m%s\033[39m' % (self.top + oldy, self.left, '>'), end='') else: print('\033[%i;%iH\033[34m%s:\033[39m' % (self.top + oldy, self.left, leftlines[oldy]), end='') if (y > 0) and (leftlines[y - 1] == leftlines[y]) and (leftlines[y] == leftlines[-1]): print('\033[%i;%iH\033[1;34m%s\033[21;39m' % (self.top + y, self.left, '>'), end='') else: print('\033[%i;%iH\033[1;34m%s:\033[21;39m' % (self.top + y, self.left, leftlines[y]), end='') print('\033[%i;%iH' % (self.top + y, innerleft + x), end='') (oldy, oldx, oldmark) = (y, x, mark) if edited: edited = False if not modified: modified = True status('modified' + (' override' if override else '')) sys.stdout.flush() if stored is None: d = sys.stdin.read(1) else: d = stored stored = None if alerted: alerted = False alert(None) if ord(d) == ord('@') - ord('@'): if mark is None: mark = x alert('Mark set') elif mark == ~x: mark = x alert('Mark activated') elif mark == x: mark = ~x alert('Mark deactivated') else: mark = x alert('Mark set') elif ord(d) == ord('X') - ord('@'): alert('C-x') alerted = True sys.stdout.flush() d = sys.stdin.read(1) alert(str(ord(d))) sys.stdout.flush() if ord(d) == ord('X') - ord('@'): if (mark is not None) and (mark >= 0): x ^= mark; mark ^= x; x ^= mark alert('Mark swapped') else: alert('No mark is activated') elif ord(d) == ord('S') - ord('@'): last = '' for row in range(0, len(datalines)): current = leftlines[row] if current == last: self.datamap[current] += '\n' + datalines[row] else: self.datamap[current] = datalines[row] last = current saver() status('unmodified' + (' override' if override else '')) alert('Saved') elif ord(d) == ord('C') - ord('@'): break else: stored = d alerted = False alert(None) elif (ord(d) == 127) or (ord(d) == 8): removed = 1 if (mark is not None) and (mark >= 0) and (mark != x): if mark > x: x ^= mark; mark ^= x; x ^= mark removed = x - mark if x == 0: alert('At beginning') alerted = True continue dataline = datalines[y] datalines[y] = dataline = dataline[:x - removed] + dataline[x:] x -= removed mark = None print('\033[%i;%iH%s%s\033[%i;%iH' % (self.top + y, innerleft, dataline, ' ' * removed, self.top + y, innerleft + x), end='') edited = True elif ord(d) < ord(' '): if ord(d) == ord('P') - ord('@'): if y == 0: alert('At first line') else: y -= 1 mark = None x = 0 elif ord(d) == ord('N') - ord('@'): if y == len(datalines) - 1: datalines.append('') leftlines.append(leftlines[-1]) y += 1 mark = None x = 0 elif ord(d) == ord('F') - ord('@'): if x < len(datalines[y]): x += 1 print('\033[C', end='') else: alert('At end') alerted = True elif ord(d) == ord('B') - ord('@'): if x > 0: x -= 1 print('\033[D', end='') else: alert('At beginning') alerted = True elif ord(d) == ord('O') - ord('@'): leftlines[y : y] = [leftlines[y]] datalines[y : y] = [''] y += 1 mark = None x = 0 stored = chr(ord('L') - ord('@')) elif ord(d) == ord('L') - ord('@'): empty = '\033[0m' + (' ' * self.width + '\n') * len(datalines) print('\033[%i;%iH%s' % (self.top, self.left, empty), end='') for row in range(0, len(leftlines)): leftline = leftlines[row] + ':' if (leftlines[row - 1] == leftlines[row]) and (leftlines[row] == leftlines[-1]): leftline = '>' print('\033[%i;%iH\033[%s34m%s\033[%s39m' % (self.top + row, self.left, '1;' if row == y else '', leftline, '21;' if row == y else ''), end='') for row in range(0, len(datalines)): print('\033[%i;%iH%s\033[49m' % (self.top + row, innerleft, datalines[row]), end='') print('\033[%i;%iH' % (self.top + y, innerleft + x), end='') elif d == '\033': d = sys.stdin.read(1) if d == '[': d = sys.stdin.read(1) if d == 'A': stored = chr(ord('P') - ord('@')) elif d == 'B': if y == len(datalines) - 1: alert('At last line') else: stored = chr(ord('N') - ord('@')) elif d == 'C': stored = chr(ord('F') - ord('@')) elif d == 'D': stored = chr(ord('B') - ord('@')) elif d == '2': d = sys.stdin.read(1) if d == '~': override = not override status(('modified' if modified else 'unmodified') + (' override' if override else '')) elif d == '3': d = sys.stdin.read(1) if d == '~': removed = 1 if (mark is not None) and (mark >= 0) and (mark != x): if mark < x: x ^= mark; mark ^= x; x ^= mark removed = mark - x dataline = datalines[y] if x == len(dataline): alert('At end') alerted = True continue datalines[y] = dataline = dataline[:x] + dataline[x + removed:] print('\033[%i;%iH%s%s\033[%i;%iH' % (self.top + y, innerleft, dataline, ' ' * removed, self.top + y, innerleft + x), end='') mark = None edited = True else: while True: d = sys.stdin.read(1) if (ord('a') <= ord(d)) and (ord(d) <= ord('z')): break if (ord('A') <= ord(d)) and (ord(d) <= ord('Z')): break if d == '~': break elif d == 'O': d = sys.stdin.read(1) if d == 'H': x = 0 elif d == 'F': x = len(datalines[y]) print('\033[%i;%iH' % (self.top + y, innerleft + x), end='') elif d == '\n': stored = chr(ord('N') - ord('@')) else: insert = d if len(insert) == 0: continue dataline = datalines[y] if (not override) or (x == len(dataline)): print(insert + dataline[x:], end='') if len(dataline) - x > 0: print('\033[%iD' % (len(dataline) - x), end='') datalines[y] = dataline[:x] + insert + dataline[x:] if (mark is not None) and (mark >= 0): if mark >= x: mark += len(insert) else: print(insert, end='') datalines[y] = dataline[:x] + insert + dataline[x + 1:] x += len(insert) edited = True ''' Start the program from ponysay.__init__ if this is the executed file ''' if __name__ == '__main__': ''' The user's home directory ''' HOME = os.environ['HOME'] if 'HOME' in os.environ else os.path.expanduser('~') ''' 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() usage_program = '\033[34;1mponysay-tool\033[21;39m' usage = '\n'.join(['%s %s' % (usage_program, '(--help | --version)'), '%s %s' % (usage_program, '(--edit | --edit-rm) \033[33mPONY-FILE\033[39m'), '%s %s' % (usage_program, '--edit-stash \033[33mPONY-FILE\033[39m > \033[33mSTASH-FILE\033[39m'), '%s %s' % (usage_program, '--edit-apply \033[33mPONY-FILE\033[39m < \033[33mSTASH-FILE\033[39m'), ]) 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 = 'ponysay-tool', description = 'Tool chest for ponysay', usage = usage, longdescription = None) opts.add_argumentless(['-h', '--help'], help = 'Print this help message.') opts.add_argumentless(['-v', '--version'], help = 'Print the version of the program.') opts.add_argumented( ['--edit'], arg = 'PONY-FILE', help = 'Edit a pony file\'s metadata') opts.add_argumented( ['--edit-rm'], arg = 'PONY-FILE', help = 'Remove metadata from a pony file') opts.add_argumented( ['--edit-apply'], arg = 'PONY-FILE', help = 'Apply metadata from stdin to a pony file') opts.add_argumented( ['--edit-stash'], arg = 'PONY-FILE', help = 'Print applyable metadata from a pony file') ''' Whether at least one unrecognised option was used ''' unrecognised = not opts.parse() PonysayTool(args = opts)