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https://github.com/erkin/ponysay
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documenting the code
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1 changed files with 40 additions and 6 deletions
44
ponysay.py
44
ponysay.py
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@ -568,18 +568,22 @@ class Ponysay():
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Creates the balloon style object
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'''
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def __getballoon(self, balloonfile):
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## Use default balloon if none is specified
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if balloonfile is None:
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if isthink:
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return Balloon('o', 'o', '( ', ' )', [' _'], ['_'], ['_'], ['_'], ['_ '], ' )', ' )', ' )', ['- '], ['-'], ['-'], ['-'], [' -'], '( ', '( ', '( ')
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return Balloon('\\', '/', '< ', ' >', [' _'], ['_'], ['_'], ['_'], ['_ '], ' \\', ' |', ' /', ['- '], ['-'], ['-'], ['-'], [' -'], '\\ ', '| ', '/ ')
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## Initialise map for balloon parts
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map = {}
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for elem in ('\\', '/', 'ww', 'ee', 'nw', 'nnw', 'n', 'nne', 'ne', 'nee', 'e', 'see', 'se', 'sse', 's', 'ssw', 'sw', 'sww', 'w', 'nww'):
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map[elem] = []
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## Read all lines in the balloon file
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with open(balloonfile, 'rb') as balloonstream:
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data = [line.replace('\n', '') for line in balloonstream.read().decode('utf8', 'replace').split('\n')]
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## Parse the balloon file, and fill the map
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last = None
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for line in data:
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if len(line) > 0:
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@ -590,6 +594,7 @@ class Ponysay():
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value = line[len(last) + 1:]
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map[last].append(value)
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## Return the balloon
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return Balloon(map['\\'][0], map['/'][0], map['ww'][0], map['ee'][0], map['nw'], map['nnw'], map['n'],
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map['nne'], map['ne'], map['nee'][0], map['e'][0], map['see'][0], map['se'], map['sse'],
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map['s'], map['ssw'], map['sw'], map['sww'][0], map['w'][0], map['nww'][0])
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@ -604,6 +609,7 @@ class Ponysay():
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Prints the name of the program and the version of the program
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'''
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def version(self):
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## Prints the "ponysay $VERSION", if this is modified, ./dev/dist.sh must be modified accordingly
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print('%s %s' % ('ponysay', VERSION))
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@ -611,12 +617,14 @@ class Ponysay():
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Print the pony with a speech or though bubble. message, pony and wrap from args are used.
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'''
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def print_pony(self, args):
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## Get message and remove tailing whitespace from stdin (but not for each line)
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if args.message == None:
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msg = ''.join(sys.stdin.readlines()).rstrip()
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else:
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msg = args.message
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if args.opts['-c'] is not None: ## This algorithm should give some result as cowsay's (according to tests)
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## This algorithm should give some result as cowsay's (according to tests)
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if args.opts['-c'] is not None:
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buf = ''
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last = ' '
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CHARS = '\t \n'
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@ -636,8 +644,10 @@ class Ponysay():
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last = c
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msg = buf.replace('\n', '\n\n')
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## Get the pony
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pony = self.__getponypath(args.opts['-f'])
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## Use PNG file as pony file
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if (len(pony) > 4) and (pony[-4:].lower() == '.png'):
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pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\''
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pngcmd = ('img2ponysay -p -- ' if linuxvt else 'img2ponysay -- ') + pony
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@ -645,18 +655,23 @@ class Ponysay():
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Popen(pngcmd, stdout=os.fdopen(pngpipe[1], 'w'), shell=True).wait()
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pony = '/proc/' + str(os.getpid()) + '/fd/' + str(pngpipe[0])
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## If KMS is utilies, select a KMS pony file and create it if necessary
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pony = self.__kms(pony)
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## If in Linux VT clean the terminal (See info/pdf-manual [Printing in TTY with KMS])
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if linuxvt:
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print('\033[H\033[2J', end='')
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## Width Get truncation and wrapping
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env_width = os.environ['PONYSAY_FULL_WIDTH'] if 'PONYSAY_FULL_WIDTH' in os.environ else None
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if env_width is None: env_width = ''
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widthtruncation = self.__gettermsize()[1] if env_width not in ('yes', 'y', '1') else None
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messagewrap = int(args.opts['-W'][0]) if args.opts['-W'] is not None else None
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## Get balloon object
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balloon = self.__getballoon(self.__getballoonpath(args.opts['-b']))
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## Run cowsay replacement
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backend = Backend(message = msg, ponyfile = pony, wrapcolumn = messagewrap if messagewrap is not None else 40, width = widthtruncation, balloon = balloon)
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backend.parse()
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output = backend.output
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@ -664,6 +679,7 @@ class Ponysay():
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output = output[:-1]
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## Load height trunction settings
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env_bottom = os.environ['PONYSAY_BOTTOM'] if 'PONYSAY_BOTTOM' in os.environ else None
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if env_bottom is None: env_bottom = ''
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@ -673,9 +689,8 @@ class Ponysay():
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env_lines = os.environ['PONYSAY_SHELL_LINES'] if 'PONYSAY_SHELL_LINES' in os.environ else None
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if (env_lines is None) or (env_lines == ''): env_lines = '2'
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## Print the output, truncated on height is so set
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lines = self.__gettermsize()[0] - int(env_lines)
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if linuxvt or (env_height is ('yes', 'y', '1')):
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if env_bottom is ('yes', 'y', '1'):
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for line in output.split('\n')[: -lines]:
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@ -691,6 +706,7 @@ class Ponysay():
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Print the pony with a speech or though bubble and a self quote
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'''
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def quote(self, args):
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## Get all quotes, and if any pony is choosen just keep them
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pairs = self.__quotes()
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if len(args.opts['-q']) > 0:
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ponyset = {}
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@ -708,6 +724,7 @@ class Ponysay():
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alts.append((ponyset[pair[0]], pair[1]))
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pairs = alts
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## Select a random pony–quote-pair, load it and print it
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if not len(pairs) == 0:
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pair = pairs[random.randrange(0, len(pairs))]
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with open(pair[1], 'rb') as qfile:
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@ -724,22 +741,26 @@ class Ponysay():
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'''
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Indentifies whether KMS support is utilised
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Identifies whether KMS support is utilised
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'''
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@staticmethod
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def isUsingKMS():
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## KMS is not utilised if Linux VT is not used
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if not linuxvt:
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return False
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## Read the PONYSAY_KMS_PALETTE environment variable
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env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None
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if env_kms is None: env_kms = ''
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## Read the PONYSAY_KMS_PALETTE_CMD environment variable, and run it
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env_kms_cmd = os.environ['PONYSAY_KMS_PALETTE_CMD'] if 'PONYSAY_KMS_PALETTE_CMD' in os.environ else None
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if (env_kms_cmd is not None) and (not env_kms_cmd == ''):
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env_kms = Popen(shlex.split(env_kms_cmd), stdout=PIPE, stdin=sys.stderr).communicate()[0].decode('utf8', 'replace')
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if env_kms[-1] == '\n':
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env_kms = env_kms[:-1]
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## If the palette string is empty KMS is not utilised
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return env_kms != ''
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@ -747,32 +768,40 @@ class Ponysay():
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Returns the file name of the input pony converted to a KMS pony, or if KMS is not used, the input pony itself
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'''
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def __kms(self, pony):
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## If not in Linux VT, return the pony as is
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if not linuxvt:
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return pony
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## KMS support version constant
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KMS_VERSION = '1'
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## Read the PONYSAY_KMS_PALETTE environment variable
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env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None
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if env_kms is None: env_kms = ''
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## Read the PONYSAY_KMS_PALETTE_CMD environment variable, and run it
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env_kms_cmd = os.environ['PONYSAY_KMS_PALETTE_CMD'] if 'PONYSAY_KMS_PALETTE_CMD' in os.environ else None
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if (env_kms_cmd is not None) and (not env_kms_cmd == ''):
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env_kms = Popen(shlex.split(env_kms_cmd), stdout=PIPE, stdin=sys.stderr).communicate()[0].decode('utf8', 'replace')
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if env_kms[-1] == '\n':
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env_kms = env_kms[:-1]
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## If not using KMS, return the pony as is
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if env_kms == '':
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return pony
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## Store palette string and a clong with just the essentials
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palette = env_kms
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palettefile = env_kms.replace('\033]P', '')
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## Get and in necessary make cache directory
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cachedir = '/var/cache/ponysay'
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if not os.path.isdir(cachedir):
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cachedir = HOME + '/.cache/ponysay'
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if not os.path.isdir(cachedir):
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os.makedirs(cachedir)
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## KMS support version control, clean everything if not matching
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newversion = False
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if not os.path.isfile(cachedir + '/.version'):
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newversion = True
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@ -790,20 +819,24 @@ class Ponysay():
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with open(cachedir + '/.version', 'w+') as cachev:
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cachev.write(KMS_VERSION)
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## Get kmspony directory and kmspony file
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kmsponies = cachedir + '/kmsponies/' + palettefile
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kmspony = (kmsponies + pony).replace('//', '/')
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## If the kmspony is missing, create it
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if not os.path.isfile(kmspony):
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## Protokmsponies are uncolourful ttyponies
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protokmsponies = cachedir + '/protokmsponies/'
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protokmspony = (protokmsponies + pony).replace('//', '/')
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protokmsponydir = protokmspony[:protokmspony.rindex('/')]
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kmsponydir = kmspony[: kmspony.rindex('/')]
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## Change file names to be shell friendly
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_protokmspony = '\'' + protokmspony.replace('\'', '\'\\\'\'') + '\''
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_kmspony = '\'' + kmspony.replace('\'', '\'\\\'\'') + '\''
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_pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\''
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## Create protokmspony is missing
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if not os.path.isfile(protokmspony):
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if not os.path.isdir(protokmsponydir):
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os.makedirs(protokmsponydir)
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@ -811,6 +844,7 @@ class Ponysay():
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sys.stderr.write('Unable to run ponysay2ttyponysay successfully, you need util-say for KMS support\n')
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exit(1)
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## Create kmspony
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if not os.path.isdir(kmsponydir):
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os.makedirs(kmsponydir)
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if not os.system('tty2colourfultty -p ' + palette + ' < ' + _protokmspony + ' > ' + _kmspony) == 0:
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