ponysay/ponysay.py
Mattias Andrée 5c736f63ae syntax fix
2012-10-08 18:22:13 +02:00

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#!/usr/bin/env python3
# -*- 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
'''
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)
'''
def print(text = '', end = '\n'):
sys.stdout.buffer.write((str(text) + end).encode('utf-8'))
'''
Checks whether a text ends with a specific text, but has more
'''
def endswith(text, ending):
return text.endswith(ending) and not (text == ending);
'''
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()
elif args.opts['-A'] is not None: self.list(); self.__extraponies(); self.list()
elif args.opts['+A'] is not None: self.linklist(); 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 extraponies are used, change ponydir to extraponydir
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):
## Set best.pony as the pony to display if none is selected
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):
## Read UCS configurations
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
## Stop USC is not used
if ucs_conf == 0:
return
## Read all lines in all UCS → ASCII map files
maplines = []
for ucsmap in ucsmaps:
if os.path.isfile(ucsmap):
with open(ucsmap, 'rb') as mapfile:
maplines += [line.replace('\n', '') for line in mapfile.read().decode('utf8', 'replace').split('\n')]
## Create USC → ASCII mapping from read lines
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
## Apply USC → ASCII mapping to -f and -q arguments
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):
## Read UCS configurations
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
## Stop USC is not used
if ucs_conf == 0:
return
## Read all lines in all UCS → ASCII map files
maplines = []
for ucsmap in ucsmaps:
if os.path.isfile(ucsmap):
with open(ucsmap, 'rb') as mapfile:
maplines += [line.replace('\n', '') for line in mapfile.read().decode('utf8', 'replace').split('\n')]
## Create USC → ASCII mapping from read lines
map = {}
stripset = ' \t' # must be string, wtf! and way doesn't python's doc say so
for line in maplines:
if not line.startswith('#'):
s = line.index('')
ucs = line[:s] .strip(stripset)
ascii = line[s + 1:].strip(stripset)
map[ascii] = ucs
## Apply USC → ACII mapping to ponies, by alias if weak settings
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 = {}
## List all pony files, without the .pony ending
for ponydir in ponydirs:
for ponyfile in os.listdir(ponydir):
pony = ponyfile[:-5]
if pony not in ponies:
ponies[pony] = ponydir + ponyfile
## Support for explicit pony file names
if not names == None:
for name in names:
if os.path.exists(name):
ponies[name] = name
## If there is not select ponies, choose all of them
if names == None:
names = list(ponies.keys())
## Select a random pony of the choosen onles
pony = names[random.randrange(0, len(names))]
if pony not in ponies:
sys.stderr.write('I have never heard of anypony 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):
## List all unique quote files
quotes = []
quoteshash = set()
_quotes = []
for quotedir in quotedirs:
_quotes += [item[:item.index('.')] for item in os.listdir(quotedir)]
for quote in _quotes:
if not quote == '':
if not quote in quoteshash:
quoteshash.add(quote)
quotes.append(quote)
## Create a set of all ponyes that have quotes
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):
## Get all ponyquote files
quotes = []
for quotedir in quotedirs:
quotes += [quotedir + item for item in os.listdir(quotedir)]
## Create list of all ponyquote file-pairs
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):
## Call `stty` to determine the size of the terminal, this way is better then using python's ncurses
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):
## Get terminal width, and a 2 which is the space between columns
termwidth = self.__gettermsize()[1] + 2
## Sort the ponies, and get the cells' widths, and the largest width + 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
## Calculate the number of rows and columns, can create a list of empty columns
cols = termwidth // width # do not believe electricians, this means ⌊termwidth / width⌋
rows = (len(ponies) + cols - 1) // cols
columns = []
for c in range(0, cols): columns.append([])
## Fill the columns with cells of ponies
(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
## Make the columnisation nicer by letting the last row be partially empty rather than the last column
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
## Create rows from columns
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 the matrix, with one extra blank row
print('\n'.join([''.join(line)[:-2] for line in lines]))
print()
'''
Lists the available ponies
'''
def list(self):
## Get all quoters
quoters = self.__quoters()
for ponydir in ponydirs: # Loop ponydirs
## Get all ponies in the directory
_ponies = os.listdir(ponydir)
## Remove .pony from all files and skip those that does not have .pony
ponies = []
for pony in _ponies:
if endswith(pony, '.pony'):
ponies.append(pony[:-5])
## UCS:ise pony names, they are already sorted
self.__ucsise(ponies)
## If ther directory is not empty print its name and all ponies, columnised
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):
## Get the size of the terminal and all ponies with quotes
termsize = self.__gettermsize()
quoters = self.__quoters()
for ponydir in ponydirs: # Loop ponydirs
## Get all pony files in the directory
_ponies = os.listdir(ponydir)
## Remove .pony from all files and skip those that does not have .pony
ponies = []
for pony in _ponies:
if endswith(pony, '.pony'):
ponies.append(pony[:-5])
## If there are no ponies in the directory skip to next directory, otherwise, print the directories name
if len(ponies) == 0:
continue
print('\033[1mponies located in ' + ponydir + '\033[21m')
## UCS:ise pony names
pseudolinkmap = {}
self.__ucsise(ponies, pseudolinkmap)
## Create targetlink-pair, with `None` as link if the file is not a symlink or in `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))
## Create map from source pony to alias ponies for each pony
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]]
## Create list of source ponies concatenated with alias ponies in brackets
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
## Print the ponies, columnised
self.__columnise(list(ponies))
'''
Lists with all ponies that have quotes and are displayable, on one column without anything bold or otherwise formated
'''
def quoters(self):
## Get all quoters
ponies = self.__quoters()
## USC:ise and sort
self.__ucsise(ponies)
ponies.sort()
## Print each one on a seperate line, but skip duplicates
last = ''
for pony in ponies:
if not pony == last:
last = pony
print(pony)
'''
Lists the available ponies on one column without anything bold or otherwise formated
'''
def onelist(self):
## Get all pony files
_ponies = []
for ponydir in ponydirs: # Loop ponydirs
_ponies += os.listdir(ponydir)
## Remove .pony from all files and skip those that does not have .pony
ponies = []
for pony in _ponies:
if endswith(pony, '.pony'):
ponies.append(pony[:-5])
## USC:ise and sort
self.__ucsise(ponies)
ponies.sort()
## Print each one on a seperate line, but skip duplicates
last = ''
for pony in ponies:
if not pony == last:
last = pony
print(pony)
##
## Balloon methods
##
'''
Prints a list of all balloons
'''
def balloonlist(self):
## Get the size of the terminal
termsize = self.__gettermsize()
## Get all balloons
balloonset = set()
for balloondir in balloondirs:
for balloon in os.listdir(balloondir):
## Use .think if running ponythink, otherwise .say
if isthink and endswith(balloon, '.think'):
balloon = balloon[:-6]
elif (not isthink) and endswith(balloon, '.say'):
balloon = balloon[:-4]
else:
continue
## Add the balloon if there is none with the same name
if balloon not in balloonset:
balloonset.add(balloon)
## Print all balloos, columnised
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):
## Stop if their is no choosen balloon
if names is None:
return None
## Get all balloons
balloons = {}
for balloondir in balloondirs:
for balloon in os.listdir(balloondir):
balloonfile = balloon
## Use .think if running ponythink, otherwise .say
if isthink and endswith(balloon, '.think'):
balloon = balloon[:-6]
elif (not isthink) and endswith(balloon, '.say'):
balloon = balloon[:-4]
else:
continue
## Add the balloon if there is none with the same name
if balloon not in balloons:
balloons[balloon] = balloondir + balloonfile
## Support for explicit balloon file names
for name in names:
if os.path.exists(name):
balloons[name] = name
## Select a random balloon of the choosen ones
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):
## Use default balloon if none is specified
if balloonfile is None:
if isthink:
return Balloon('o', 'o', '( ', ' )', [' _'], ['_'], ['_'], ['_'], ['_ '], ' )', ' )', ' )', ['- '], ['-'], ['-'], ['-'], [' -'], '( ', '( ', '( ')
return Balloon('\\', '/', '< ', ' >', [' _'], ['_'], ['_'], ['_'], ['_ '], ' \\', ' |', ' /', ['- '], ['-'], ['-'], ['-'], [' -'], '\\ ', '| ', '/ ')
## Initialise map for balloon parts
map = {}
for elem in ('\\', '/', 'ww', 'ee', 'nw', 'nnw', 'n', 'nne', 'ne', 'nee', 'e', 'see', 'se', 'sse', 's', 'ssw', 'sw', 'sww', 'w', 'nww'):
map[elem] = []
## Read all lines in the balloon file
with open(balloonfile, 'rb') as balloonstream:
data = [line.replace('\n', '') for line in balloonstream.read().decode('utf8', 'replace').split('\n')]
## Parse the balloon file, and fill the map
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 the balloon
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):
## Prints the "ponysay $VERSION", if this is modified, ./dev/dist.sh must be modified accordingly
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):
## Get message and remove tailing whitespace from stdin (but not for each line)
if args.message == None:
msg = ''.join(sys.stdin.readlines()).rstrip()
else:
msg = args.message
## This algorithm should give some result as cowsay's (according to tests)
if args.opts['-c'] is not None:
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')
## Get the pony
pony = self.__getponypath(args.opts['-f'])
## Use PNG file as pony file
if endswith(pony.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])
## If KMS is utilies, select a KMS pony file and create it if necessary
pony = self.__kms(pony)
## If in Linux VT clean the terminal (See info/pdf-manual [Printing in TTY with KMS])
if linuxvt:
print('\033[H\033[2J', end='')
## Width Get truncation and wrapping
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
## Get balloon object
balloon = self.__getballoon(self.__getballoonpath(args.opts['-b']))
## Run cowsay replacement
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 output.endswith('\n'):
output = output[:-1]
## Load height trunction settings
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'
## Print the output, truncated on height is so set
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):
## Get all quotes, and if any pony is choosen just keep them
pairs = self.__quotes()
if len(args.opts['-q']) > 0:
ponyset = {}
for pony in args.opts['-q']:
if endswith(pony, '.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
## Select a random ponyquote-pair, load it and print it
if not len(pairs) == 0:
pair = pairs[random.randrange(0, len(pairs))]
with open(pair[1], 'rb') as qfile:
args.message = qfile.read().decode('utf8', 'replace').strip()
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)
'''
Identifies whether KMS support is utilised
'''
@staticmethod
def isUsingKMS():
## KMS is not utilised if Linux VT is not used
if not linuxvt:
return False
## Read the PONYSAY_KMS_PALETTE environment variable
env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None
if env_kms is None: env_kms = ''
## Read the PONYSAY_KMS_PALETTE_CMD environment variable, and run it
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 the palette string is empty KMS is not utilised
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 in Linux VT, return the pony as is
if not linuxvt:
return pony
## KMS support version constant
KMS_VERSION = '1'
## Read the PONYSAY_KMS_PALETTE environment variable
env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None
if env_kms is None: env_kms = ''
## Read the PONYSAY_KMS_PALETTE_CMD environment variable, and run it
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 not using KMS, return the pony as is
if env_kms == '':
return pony
## Store palette string and a clong with just the essentials
palette = env_kms
palettefile = env_kms.replace('\033]P', '')
## Get and in necessary make cache directory
cachedir = '/var/cache/ponysay'
if not os.path.isdir(cachedir):
cachedir = HOME + '/.cache/ponysay'
if not os.path.isdir(cachedir):
os.makedirs(cachedir)
## KMS support version control, clean everything if not matching
newversion = False
if not os.path.isfile(cachedir + '/.version'):
newversion = True
else:
with open(cachedir + '/.version', 'rb') as cachev:
if cachev.read().decode('utf8', 'replace').replace('\n', '') == KMS_VERSION:
newversion = True
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)
with open(cachedir + '/.version', 'w+') as cachev:
cachev.write(KMS_VERSION)
## Get kmspony directory and kmspony file
kmsponies = cachedir + '/kmsponies/' + palettefile
kmspony = (kmsponies + pony).replace('//', '/')
## If the kmspony is missing, create it
if not os.path.isfile(kmspony):
## Protokmsponies are uncolourful ttyponies
protokmsponies = cachedir + '/protokmsponies/'
protokmspony = (protokmsponies + pony).replace('//', '/')
protokmsponydir = protokmspony[:protokmspony.rindex('/')]
kmsponydir = kmspony[: kmspony.rindex('/')]
## Change file names to be shell friendly
_protokmspony = '\'' + protokmspony.replace('\'', '\'\\\'\'') + '\''
_kmspony = '\'' + kmspony.replace('\'', '\'\\\'\'') + '\''
_pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\''
## Create protokmspony is missing
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)
## Create kmspony
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):
with open(self.ponyfile, 'rb') as ponystream:
self.pony = ponystream.read().decode('utf8', 'replace')
'''
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 == '$':
if dollar is not None:
if '=' in dollar:
name = dollar[:find('=')]
value = dollar[find('=') + 1:]
variables[name] = value
elif not dollar.startswith('balloon'):
data = variables[dollar].replace('$', '$$')
if data == '$$': # if not handled specially we will get an infinity loop
if (skip == 0) or (nonskip > 0):
if nonskip > 0:
nonskip -= 1
self.output += '$'
indent += 1
else:
skip -= 1
else:
n += len(data)
self.pony = self.pony[:i] + data + self.pony[i:]
else:
(w, h) = (0, 0)
props = dollar[7:]
if len(props) > 0:
if ',' in props:
if props[0] is not ',':
w = int(props[:props.index(',')])
h = int(props[props.index(',') + 1:])
else:
w = int(props)
balloon = self.__getballoon(w, h, indent)
balloon = balloon.split('\n')
for b in balloon[0]:
self.output += b + colourstack.feed(b)
if lineindex == 0:
balloonpre = '\n' + (' ' * indent)
for line in balloon[1:]:
self.output += balloonpre;
for b in line:
self.output += b + colourstack.feed(b);
indent = 0
elif len(balloon) > 1:
balloonLines = balloon
balloonLine = 0
balloonIndent = indent
indent += self.__len(balloonLines[0])
balloonLines[0] = None
dollar = None
else:
dollar = ''
elif dollar is not None:
if c == '\033':
c = self.pony[i]
i += 1
dollar += c
elif c == '\033':
colour = self.__getcolour(self.pony, i - 1)
for b in colour:
self.output += b + colourstack.feed(b);
i += len(colour) - 1
elif c == '\n':
self.output += c
indent = 0
(skip, nonskip) = (0, 0)
lineindex += 1
if balloonLines is not None:
balloonLine += 1
if balloonLine == len(balloonLines):
balloonLines = None
else:
if (balloonLines is not None) and (balloonLines[balloonLine] is not None) and (balloonIndent == indent):
data = balloonLines[balloonLine]
datalen = self.__len(data)
skip += datalen
nonskip += datalen
data = data.replace('$', '$$')
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):
AUTO_PUSH = '\033[01010~'
AUTO_POP = '\033[10101~'
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()
## Invisible stuff
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 != ' '):
## Fetch word
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)) and (d != '­'):
cols += 1
map[cols] = bi
else:
## Wrap?
mm = 0
bisub = 0
iwrap = wrap - (0 if indent == 1 else indentc)
while ((w > 8) and (cols > w + 5)) or (cols > iwrap): # TODO make configurable
## wrap
x = w;
nbsp = b[map[mm + x]] == ' '
m = map[mm + x]
if ('­' in b[bisub : m]) and not nbsp:
hyphen = m - 1
while b[hyphen] != '­':
hyphen -= 1
while map[mm + x] > hyphen: ## Only looking backward, if foreward is required the word is probabily not hythenated correctly
x -= 1
x += 1
m = map[mm + x]
mm += x - (0 if nbsp else 1) ## 1 so we have space for a hythen
for bb in b[bisub : m]:
buf += bb
buf += '\n' if nbsp else '\0\n'
cols -= x - (0 if nbsp else 1)
bisub = m
w = iwrap
if indent != -1:
buf += line[:indent]
for j in range(bisub, bi):
b[j - bisub] = b[j]
bi -= bisub
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 is None:
i += 1
else:
if w > 0:
buf += ' '
w -= 1
else:
buf += '\n'
w = wrap
if indent != -1:
buf + line[:indent]
w -= indentc
buf += '\n'
rc = '\n'.join(line.rstrip() for line in buf[:-1].split('\n'));
rc = rc.replace('­', ''); # remove soft hyphens
rc = rc.replace('\0', '%s%s%s' % (AUTO_PUSH, '\033[31m-', AUTO_POP)) # TODO make configurable
return rc
'''
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
return '\033[0m'
def pop(self):
old = self.stack[0]
self.stack = self.stack[1:]
rc = '\033[0;'
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 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)
'''
Class used for correcting spellos and typos,
Note that this implementation will not find that correctly spelled word are correct faster than it corrects words.
It is also limited to words of size 0 to 127 (inclusive)
'''
class SpelloCorrecter: # Naïvely and quickly proted and adapted from optimised Java, may not be the nicest, or even fast, Python code
def __init__(self, directories, ending):
self.weights = {'k' : {'c' : 0.25, 'g' : 0.75, 'q' : 0.125},
'c' : {'k' : 0.25, 'g' : 0.75, 's' : 0.5, 'z' : 0.5, 'q' : 0.125},
's' : {'z' : 0.25, 'c' : 0.5},
'z' : {'s' : 0.25, 'c' : 0.5},
'g' : {'k' : 0.75, 'c' : 0.75, 'q' : 0.9},
'o' : {'u' : 0.5},
'u' : {'o' : 0.5, 'v' : 0.75, 'w' : 0.5},
'b' : {'v' : 0.75},
'v' : {'b' : 0.75, 'w' : 0.5, 'u' : 0.7},
'w' : {'v' : 0.5, 'u' : 0.5},
'q' : {'c' : 0.125, 'k' : 0.125, 'g' : 0.9}}
self.corrections = None
self.dictionary = [None] * 513
self.reusable = [0] * 512
self.dictionaryEnd = 512
self.closestDistance = 0
self.M = [None] * 128
for y in range(0, 128):
self.M[y] = [0] * 128
self.M[y][0] = y
m0 = self.M[0]
x = 127
while x > -1:
m0[x] = x
x -= 1
previous = ""
self.dictionary[-1] = previous;
for directory in directories:
for filename in os.listdir(directory):
if (not endswith(filename, ending)) or (len(filename) - len(ending) > 127):
continue
proper = filename[:-len(ending)]
if dictionaryEnd == 0:
dictionaryEnd = len(self.dictionary)
self.reusable = [0] * dictionaryEnd + self.reusable
self.dictionary = [None] * dictionaryEnd + self.dictionary
dictionaryEnd -= 1
dictionary[dictionaryEnd] = proper
prevCommon = min(len(previous), len(proper))
for i in range(0, prevCommon):
if previous[i] != proper[i]:
prevCommon = i
break
previous = dictionary[dictionaryEnd]
reusable[dictionaryEnd] = prevCommon
'''
Finds the closests correct spelled word.
The input is just one word, and the output is tuple
with a list of the closest spellings, and the weigthed distance.
'''
def correct(self, used):
if len(used) < 127:
return ([used], 0)
__correct(used)
return (seld.corrections, self.closestDistance)
def __correct(self, used):
self.closestDistance = 0x7FFFFFFF
previous = self.dictionary[-1]
prevLen = 0
usedLen = len(used)
proper = None
prevCommon = 0
d = len(self.dictionary)
while d > self.dictionaryEnd:
d -= 1
proper = self.dictionary[d]
if abs(len(proper) - usedLen) <= self.closestDistance:
if previous == self.dictionary[d + 1]:
prevCommon = self.reusable[d];
else:
prevCommon = min(prevLen, len(proper))
for i in range(0, prevCommon):
if previous[i] != proper[i]:
prevCommon = i
break
skip = min(prevLen, len(proper))
i = prevCommon
while i < skip:
for u in range(0, usedLen):
if (used[u] == previous[i]) or (used[u] == proper[i]):
skip = i
break
i += 1
common = min(skip, min(usedLen, len(proper)))
for i in range(0, common):
if used[i] != proper[i]:
common = i
break
distance = self.__distance(proper, skip, proper.length, used, common, usedLen)
if self.closestDistance > distance:
self.closestDistance = distance
corrections = [proper]
elif self.closestDistance == distance:
corrections.append(proper)
previous = proper;
if distance >= 0x7FFFFF00:
prevLen = distance & 255
else:
prevLen = len(proper)
def __distance(self, proper, y0, yn, used, x0, xn):
my = self.M[y0]
for y in range(y0, yn):
best = 0x7FFFFFFF
p = proper[y]
myy = self.M[y + 1] # only one array bound check, and at most one + ☺
x = x0
while x < xn:
change = my[x]
u = used[x]
if p == u:
# commence black magick … twilight would be so disappointed
x += 1
myy[x] = change
best = min(best, change)
remove = myy[x]
add = my[x + 1]
cw = 1
if my[x] in self.weights:
if p in self.weights[u]:
cw = self.weights[u][p]
myy[x] = min(cw + change, 1 + min(remove, add))
if best > myy[x]:
best = myy[x]
if best > self.closestDistance:
return 0x7FFFFFFF | y
my = myy
return my[xn]
'''
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(['-A', '--all'], help = 'List all pony names.')
opts.add_argumentless(['+A', '++all'], help = 'List all 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)