mirror of
https://github.com/erkin/ponysay.git
synced 2024-11-26 06:07:59 +01:00
640 lines
26 KiB
Python
Executable file
640 lines
26 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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'''
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ponysay - Ponysay, cowsay reimplementation for ponies
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Copyright (C) 2012 Erkin Batu Altunbaş et al.
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This program is free software. It comes without any warranty, to
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the extent permitted by applicable law. You can redistribute it
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and/or modify it under the terms of the Do What The Fuck You Want
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To Public License, Version 2, as published by Sam Hocevar. See
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http://sam.zoy.org/wtfpl/COPYING for more details.
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'''
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import os
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import sys
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from subprocess import Popen, PIPE
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from ponysay import *
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'''
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The version of ponysay
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'''
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VERSION = 'dev' # this line should not be edited, it is fixed by the build system
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'''
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Hack to enforce UTF-8 in output (in the future, if you see anypony not using utf-8 in
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programs by default, report them to Princess Celestia so she can banish them to the moon)
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@param text:str The text to print (empty string is default)
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@param end:str The appendix to the text to print (line breaking is default)
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'''
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def print(text = '', end = '\n'):
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sys.stdout.buffer.write((str(text) + end).encode('utf-8'))
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'''
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stderr equivalent to print()
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@param text:str The text to print (empty string is default)
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@param end:str The appendix to the text to print (line breaking is default)
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'''
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def printerr(text = '', end = '\n'):
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sys.stderr.buffer.write((str(text) + end).encode('utf-8'))
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'''
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This is the mane class of ponysay-tool
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'''
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class PonysayTool():
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'''
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Starts the part of the program the arguments indicate
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@param args:ArgParser Parsed command line arguments
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'''
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def __init__(self, args):
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if args.argcount == 0:
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args.help()
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exit(255)
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return
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opts = args.opts
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if unrecognised or (opts['-h'] is not None):
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args.help()
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if unrecognised:
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exit(254)
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elif opts['-v'] is not None:
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print('%s %s' % ('ponysay-tool', VERSION))
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elif (opts['--edit'] is not None) and (len(opts['--edit']) == 1):
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pony = opts['--edit'][0]
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if not os.path.isfile(pony):
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printerr('%s is not an existing regular file' % pony)
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exit(252)
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linuxvt = ('TERM' in os.environ) and (os.environ['TERM'] == 'linux')
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try:
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print('\033[?1049h', end='') # initialise terminal
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if linuxvt: print('\033[?8c', end='') # use full block for cursor (_ is used by default in linux vt)
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cmd = 'stty %s < %s > /dev/null 2> /dev/null'
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cmd %= ('-echo -icanon -isig -ixoff -ixon', os.path.realpath('/dev/stdout'))
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Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE).wait()
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self.editmeta(pony)
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finally:
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cmd = 'stty %s < %s > /dev/null 2> /dev/null'
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cmd %= ('echo icanon isig ixoff ixon', os.path.realpath('/dev/stdout'))
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Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE).wait()
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if linuxvt: print('\033[?0c', end='') # restore cursor
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print('\033[?1049l', end='') # terminate terminal
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elif (opts['--edit-rm'] is not None) and (len(opts['--edit-rm']) == 1):
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ponyfile = opts['--edit-rm'][0]
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pony = None
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with open(ponyfile, 'rb') as file:
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pony = file.read().decode('utf8', 'replace')
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if pony.startswith('$$$\n'):
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pony = pony[3:]
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pony = pony[pony.index('\n$$$\n') + 5:]
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with open(ponyfile, 'wb') as file:
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file.write(pony.encode('utf8'))
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elif (opts['--edit-stash'] is not None) and (len(opts['--edit-stash']) == 1):
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ponyfile = opts['--edit-stash'][0]
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pony = None
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with open(ponyfile, 'rb') as file:
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pony = file.read().decode('utf8', 'replace')
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if pony.startswith('$$$\n'):
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pony = pony[3:]
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pony = pony[:pony.index('\n$$$\n')]
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print('$$$' + pony + '\n$$$\n', end='')
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else
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print('$$$\n$$$\n', end='')
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elif (opts['--edit-apply'] is not None) and (len(opts['--edit-apply']) == 1):
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data = ''
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while True:
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line = input()
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if data == '':
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if line != '$$$':
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printerr('Bad stash')
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exit(251)
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data += '$$$\n'
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else:
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data += line + '\n'
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if line == '$$$':
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break
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ponyfile = opts['--edit-apply'][0]
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pony = None
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with open(ponyfile, 'rb') as file:
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pony = file.read().decode('utf8', 'replace')
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if pony.startswith('$$$\n'):
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pony = pony[3:]
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pony = pony[pony.index('\n$$$\n') + 5:]
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with open(ponyfile, 'wb') as file:
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file.write((data + pony).encode('utf8'))
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else:
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exit(253)
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'''
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Edit a pony file's metadata
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@param ponyfile:str A pony file to edit
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'''
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def editmeta(self, ponyfile):
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(data, meta, image) = 3 * [None]
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with open(ponyfile, 'rb') as file:
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data = file.read().decode('utf8', 'replace')
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data = [line.replace('\n', '') for line in data.split('\n')]
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if data[0] != '$$$':
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image = data
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meta = []
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else:
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sep = 1
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while data[sep] != '$$$':
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sep += 1
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meta = data[1 : sep]
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image = data[sep + 1:]
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class PhonyArgParser:
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def __init__(self):
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self.argcount = 3
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self.message = ponyfile
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self.opts = self
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def __getitem__(self, key):
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return [ponyfile] if key == '-f' else None
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data = {}
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comment = []
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for line in meta:
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if ': ' in line:
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key = line.replace('\t', ' ')
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key = key[:key.find(': ')]
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key = key.strip(' ')
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if key == key.upper():
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value = line.replace('\t', ' ')
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value = value[value.find(': ') + 2:]
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if key not in data:
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data[key] = value.strip(' ')
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else:
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data[key] += '\n' + value.strip(' ')
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else:
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comment.append(line)
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cut = 0
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while (len(comment) > cut) and (len(comment[cut]) == 0):
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cut += 1
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comment = comment[cut:]
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stdout = sys.stdout
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class StringInputStream:
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def __init__(self):
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self.buf = ''
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class Buffer:
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def __init__(self, parent):
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self.parent = parent
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def write(self, data):
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self.parent.buf += data.decode('utf8', 'replace')
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def flush(self):
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pass
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self.buffer = Buffer(self)
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def flush(self):
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pass
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def isatty(self):
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return True
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sys.stdout = StringInputStream()
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ponysay = Ponysay()
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ponysay.run(PhonyArgParser())
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printpony = sys.stdout.buf[:-1].split('\n')
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sys.stdout = stdout
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preprint = '\033[H\033[2J'
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if printpony[0].startswith(preprint):
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printpony[0] = printpony[0][len(preprint):]
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ponyheight = len(printpony)
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ponywidth = Backend.len(max(printpony, key = Backend.len))
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## Call `stty` to determine the size of the terminal, this way is better then using python's ncurses
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termsize = None
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for channel in (sys.stdout, sys.stdin, sys.stderr):
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termsize = Popen(['stty', 'size'], stdout=PIPE, stdin=channel, stderr=PIPE).communicate()[0]
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if len(termsize) > 0:
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termsize = termsize.decode('utf8', 'replace')[:-1].split(' ') # [:-1] removes a \n
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termsize = [int(item) for item in termsize]
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break
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AUTO_PUSH = '\033[01010~'
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AUTO_POP = '\033[10101~'
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modprintpony = '\n'.join(printpony).replace('\n', AUTO_PUSH + '\n' + AUTO_POP)
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colourstack = ColourStack(AUTO_PUSH, AUTO_POP)
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buf = ''
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for c in modprintpony:
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buf += c + colourstack.feed(c)
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modprintpony = buf.replace(AUTO_PUSH, '').replace(AUTO_POP, '')
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printpony = [('\033[21;39;49;0m%s%s\033[21;39;49;0m' % (' ' * (termsize[1] - ponywidth), line)) for line in modprintpony.split('\n')]
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print(preprint, end='')
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print('\n'.join(printpony), end='')
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print('\033[H', end='')
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print('Please see the info manual for details on how to fill out this form')
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print()
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if 'WIDTH' in data: del data['WIDTH']
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if 'HEIGHT' in data: del data['HEIGHT']
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data['comment'] = '\n'.join(comment)
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fields = [key for key in data]
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fields.sort()
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standardfields = ['GROUP NAME', 'NAME', 'OTHER NAMES', 'APPEARANCE', 'KIND', 'GROUP',
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'BALLOON', 'LINK', 'LINK ON', 'COAT', 'MANE', 'EYE', 'AURA', 'DISPLAY',
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'MASTER', 'SOURCE', 'MEDIA', 'LICENSE', 'FREE', 'comment']
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for standard in standardfields:
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if standard in fields:
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del fields[fields.index(standard)]
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if standard not in data:
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data[standard] = ''
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fields = standardfields[:-1] + fields + [standardfields[-1]]
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def saver(ponyfile, ponyheight, ponywidth, data, image):
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class Saver:
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def __init__(self, ponyfile, ponyheight, ponywidth, data, image):
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(self.ponyfile, self.ponyheight, self.ponywidth, self.data, self.image) = (ponyfile, ponyheight, ponywidth, data, image)
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def __call__(self): # functor
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comment = self.data['comment']
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comment = ('\n' + comment + '\n').replace('\n$$$\n', '\n\\$$$\n')[:-1]
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meta = []
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for key in self.data:
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if (key == 'comment') or (len(self.data[key].strip()) == 0):
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continue
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values = self.data[key].strip()
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for value in values.split('\n'):
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meta.append(key + ': ' + value)
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meta.append('WIDTH: ' + str(self.ponywidth))
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meta.append('HEIGHT: ' + str(self.ponyheight))
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meta.append(comment)
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meta = '\n'.join(meta)
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ponydata = '$$$\n' + meta + '\n$$$\n' + '\n'.join(self.image)
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with open(self.ponyfile, 'wb') as file:
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file.write(ponydata.encode('utf8'))
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file.flush()
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return Saver(ponyfile, ponyheight, ponywidth, data, image)
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textarea = TextArea(fields, data, 1, 3, termsize[1] - ponywidth, termsize[0] - 2, termsize)
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textarea.run(saver(ponyfile, ponyheight, ponywidth, data, image))
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'''
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GNU Emacs alike text area
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'''
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class TextArea:
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'''
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Constructor
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@param fields:list<str> Field names
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@param datamap:dist<str,str> Data map
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@param left:int Left position of the component
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@param top:int Top position of the component
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@param width:int Width of the component
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@param height:int Height of the component
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@param termsize:(int,int) The height and width of the terminal
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'''
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def __init__(self, fields, datamap, left, top, width, height, termsize):
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(self.fields, self.datamap, self.left, self.top, self.width, self.height, self.termsize) \
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= (fields, datamap, left, top, width - 1, height, termsize)
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'''
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Execute text reading
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@param saver Save method
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'''
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def run(self, saver):
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innerleft = UCS.dispLen(max(self.fields, key = UCS.dispLen)) + self.left + 3
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leftlines = []
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datalines = []
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for key in self.fields:
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for line in self.datamap[key].split('\n'):
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leftlines.append(key)
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datalines.append(line)
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(termh, termw) = self.termsize
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(y, x) = (0, 0)
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mark = None
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def status(text):
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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='')
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status('unmodified')
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print('\033[%i;%iH' % (self.top, innerleft), end='')
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def alert(text):
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if text is None:
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alert('')
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else:
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print('\033[%i;%iH\033[2K%s\033[%i;%iH' % (termh, 1, text, self.top + y, innerleft + x), end='')
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modified = False
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override = False
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(oldy, oldx, oldmark) = (y, x, mark)
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stored = chr(ord('L') - ord('@'))
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alerted = False
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edited = False
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print('\033[%i;%iH' % (self.top + y, innerleft + x), end='')
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while True:
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if (oldmark is not None) and (oldmark >= 0):
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if oldmark < oldx:
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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='')
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elif oldmark > oldx:
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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='')
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if (mark is not None) and (mark >= 0):
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if mark < x:
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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='')
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elif mark > x:
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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='')
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if y != oldy:
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if (oldy > 0) and (leftlines[oldy - 1] == leftlines[oldy]) and (leftlines[oldy] == leftlines[-1]):
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print('\033[%i;%iH\033[34m%s\033[39m' % (self.top + oldy, self.left, '>'), end='')
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else:
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print('\033[%i;%iH\033[34m%s:\033[39m' % (self.top + oldy, self.left, leftlines[oldy]), end='')
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if (y > 0) and (leftlines[y - 1] == leftlines[y]) and (leftlines[y] == leftlines[-1]):
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print('\033[%i;%iH\033[1;34m%s\033[21;39m' % (self.top + y, self.left, '>'), end='')
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else:
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print('\033[%i;%iH\033[1;34m%s:\033[21;39m' % (self.top + y, self.left, leftlines[y]), end='')
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print('\033[%i;%iH' % (self.top + y, innerleft + x), end='')
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(oldy, oldx, oldmark) = (y, x, mark)
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if edited:
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edited = False
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if not modified:
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modified = True
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status('modified' + (' override' if override else ''))
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sys.stdout.flush()
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if stored is None:
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d = sys.stdin.read(1)
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else:
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d = stored
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stored = None
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if alerted:
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alerted = False
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alert(None)
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if ord(d) == ord('@') - ord('@'):
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if mark is None:
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mark = x
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alert('Mark set')
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elif mark == ~x:
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mark = x
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alert('Mark activated')
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elif mark == x:
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mark = ~x
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alert('Mark deactivated')
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else:
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mark = x
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alert('Mark set')
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elif ord(d) == ord('X') - ord('@'):
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alert('C-x')
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alerted = True
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sys.stdout.flush()
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d = sys.stdin.read(1)
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alert(str(ord(d)))
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sys.stdout.flush()
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if ord(d) == ord('X') - ord('@'):
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if (mark is not None) and (mark >= 0):
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x ^= mark; mark ^= x; x ^= mark
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alert('Mark swapped')
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else:
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alert('No mark is activated')
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elif ord(d) == ord('S') - ord('@'):
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last = ''
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for row in range(0, len(datalines)):
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current = leftlines[row]
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if current == last:
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self.datamap[current] += '\n' + datalines[row]
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else:
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self.datamap[current] = datalines[row]
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last = current
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saver()
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status('unmodified' + (' override' if override else ''))
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alert('Saved')
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elif ord(d) == ord('C') - ord('@'):
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break
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else:
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stored = d
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alerted = False
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alert(None)
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elif (ord(d) == 127) or (ord(d) == 8):
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removed = 1
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if (mark is not None) and (mark >= 0) and (mark != x):
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if mark > x:
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x ^= mark; mark ^= x; x ^= mark
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removed = x - mark
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if x == 0:
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alert('At beginning')
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alerted = True
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continue
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dataline = datalines[y]
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datalines[y] = dataline = dataline[:x - removed] + dataline[x:]
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x -= removed
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mark = None
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print('\033[%i;%iH%s%s\033[%i;%iH' % (self.top + y, innerleft, dataline, ' ' * removed, self.top + y, innerleft + x), end='')
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edited = True
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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)
|
|
|