diff options
| -rwxr-xr-x | ponysay.py | 298 |
1 files changed, 244 insertions, 54 deletions
@@ -15,7 +15,6 @@ Authors: Erkin Batu Altunbaş: Project leader, helped write the fir License: WTFPL ''' -import argparse import os import sys import random @@ -25,7 +24,7 @@ from subprocess import Popen, PIPE ''' The version of ponysay ''' -VERSION = '2.0-rc2' +VERSION = '2.0-rc3' ''' @@ -47,6 +46,12 @@ linuxvt = os.environ['TERM'] == 'linux' ''' +Whether the script is executed as ponythink +''' +isthink = (len(__file__) >= 8) and (__file__[-8:] == 'think.py') + + +''' Whether the program is launched in subshell/being redirected ''' redirected = False #not sys.stdout.isatty() # currently impossible, we need to get rid of the little shell script first @@ -75,46 +80,24 @@ for quotedir in _quotedirs: ''' -Argument parsing -''' -parser = argparse.ArgumentParser(prog = 'ponysay', description = 'cowsay wrapper for ponies') - -parser.add_argument('-v', '--version', action = 'version', version = '%s %s' % ('ponysay', VERSION)) -parser.add_argument('-l', '--list', action = 'store_true', dest = 'list', help = 'list pony files') -parser.add_argument('-L', '--altlist', action = 'store_true', dest = 'linklist', help = 'list pony files with alternatives') -parser.add_argument( '--quoters', action = 'store_true', dest = 'quoters', help = 'list ponies with quotes (visible in -l and -L)') # for shell completions -parser.add_argument( '--onelist', action = 'store_true', dest = 'onelist', help = 'list pony files in one columns') # for shell completions -parser.add_argument('-W', '--wrap', action = 'store', dest = 'wrap', help = 'specify the column when the message should be wrapped') -parser.add_argument('-f', '--pony', action = 'append', dest = 'pony', help = 'select a pony (either a file name or a pony name)') -parser.add_argument('-q', '--quote', nargs = '*', dest = 'quote', help = 'select a pony which will quote herself') -parser.add_argument('message', nargs = '?', help = 'message to ponysay') - -args = parser.parse_args() -# TODO implement if [ -t 0 ] && [ $# == 0 ]; then -# usage -# exit -# fi - - - -''' This is the mane class of ponysay ''' -class ponysay(): +class Ponysay(): ''' Starts the part of the program the arguments indicate ''' def __init__(self, args): - if args.list and redirected: - args.list = False - args.onelist = True - - if args.list: self.list() - elif args.linklist: self.linklist() - elif args.quoters: self.quoters() - elif args.onelist: self.onelist() - elif args.quote: self.quote(args) - else: self.print_pony(args) + if (args.opts['-l'] is not None) and redirected: + args.opts['--onelist'] = args.opts['-l'] + args.opts['-l'] = None + + if 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['-q'] is not None: self.quote(args) + else: self.print_pony(args) ## @@ -141,7 +124,12 @@ class ponysay(): if names == None: names = list(ponies.keys()) - return ponies[names[random.randrange(0, len(names))]] + pony = names[random.randrange(0, len(names))] + if pony not in ponies: + sys.stderr.write('I have never heared of any pony named %s\n' % (pony)); + exit(1) + else: + return ponies[pony] ''' @@ -187,6 +175,7 @@ class ponysay(): 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)) @@ -307,7 +296,7 @@ class ponysay(): Lists with all ponies that have quotes and are displayable ''' def quoters(self): - last = "" + last = '' ponies = [] for pony in self.__quoters(): ponies.append(pony) @@ -322,7 +311,7 @@ class ponysay(): Lists the available ponies one one column without anything bold ''' def onelist(self): - last = "" + last = '' ponies = [] for ponydir in ponydirs: # Loop ponydirs ponies += os.listdir(ponydir) @@ -339,11 +328,16 @@ class ponysay(): ## ''' + Prints the name of the program and the version of the program + ''' + def version(self): + print('%s %s' % ('ponysay', VERSION)) + + + ''' Returns (the cowsay command, whether it is a custom program) ''' def __getcowsay(self): - isthink = (len(__file__) >= 8) and (__file__[-8:] == 'think.py') - if isthink: cowthink = os.environ['PONYSAY_COWTHINK'] if 'PONYSAY_COWTHINK' in os.environ else None return ('cowthink', False) if (cowthink is None) or (cowthink == '') else (cowthink, True) @@ -362,7 +356,7 @@ class ponysay(): msg = args.message - pony = self.__getponypath(args.pony) + pony = self.__getponypath(args.opts['-f']) (cowsay, customcowsay) = self.__getcowsay() if (len(pony) > 4) and (pony[-4:].lower() == '.png'): @@ -373,8 +367,8 @@ class ponysay(): pony = '/proc/' + str(os.getpid()) + '/fd/' + str(pngpipe[0]) cmd = [cowsay, '-f', self.__kms(pony)] - if args.wrap is not None: - cmd += ['-W', args.wrap] + if args.opts['-W'] is not None: + cmd += ['-W', args.opts['-W']] cmd.append(msg) if linuxvt: @@ -402,8 +396,8 @@ class ponysay(): if not exit_value == 0: sys.stderr.write('Unable to successfully execute' + (' custom ' if customcowsay else ' ') + 'cowsay [' + cowsay + ']\n') else: - if linuxvt or (env_height is ("yes", "y", "1")): - if env_bottom is ("yes", "y", "1"): + if linuxvt or (env_height is ('yes', 'y', '1')): + if env_bottom is ('yes', 'y', '1'): for line in output[: -lines]: print(line) else: @@ -435,14 +429,14 @@ class ponysay(): ''' def quote(self, args): pairs = self.__quotes() - if len(args.quote) > 0: - ponyset = set(args.quote) + if len(args.opts['-q']) > 0: + ponyset = set(args.opts['-q']) alts = [] for pair in pairs: if pair[0] in ponyset: alts.append(pair) pairs = alts - + if not len(pairs) == 0: pair = pairs[random.randrange(0, len(pairs))] qfile = None @@ -452,12 +446,12 @@ class ponysay(): finally: if qfile is not None: qfile.close() - args.pony = [pair[0]] - elif len(args.quote) == 0: - sys.stderr.write('All the ponies are mute! Call the Princess!') + args.opts['-f'] = [pair[0]] + elif len(args.opts['-q']) == 0: + sys.stderr.write('All the ponies are mute! Call the Princess!\n') exit(1) else: - args.pony = args.quote[random.randrange(0, len(args.quote))] + args.opts['-f'] = [args.opts['-q'][random.randrange(0, len(args.opts['-q']))]] args.message = 'I got nuthin\' good to say :(' self.print_pony(args) @@ -511,8 +505,204 @@ class ponysay(): +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, 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, help = None): + self.__arguments.append((ARGUMENTED, alternatives, 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, help = None): + self.__arguments.append((VARIADIC, alternatives, 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] == '-') or (arg[0] == '+')): + if (len(arg) > 2) and ((arg[:2] == '--') or (arg[:2] == '++')): + 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 + #print('files = ' + str(self.files)) + #print('message = ' + str(self.message)) + #print('opts = ' + str(self.opts)) + + + +''' +Argument parsing +''' +opts = ArgParser(program = 'ponythink' if isthink else 'ponysay', + description = 'cowsay wrapper for ponies', + usage = '-l | -L | [-W] [[-f PONY]* [message] | -q [PONY*]]') + +opts.add_argumentless(['--quoters']) +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 files') +opts.add_argumentless(['-L', '--altlist'], help = 'List pony files with alternatives') +opts.add_argumented( ['-W', '--wrap'], help = 'Specify the column when the message should be wrapped') +opts.add_argumented( ['-f', '--pony'], help = 'Select a pony (either a file name or a pony name)') +opts.add_variadic( ['-q', '--quote'], help = 'Select a ponies which will quote themself') + +opts.parse() +# TODO implement if [ -t 0 ] && [ $# == 0 ]; then +# usage +# exit +# fi + + ''' Start the program from ponysay.__init__ if this is the executed file ''' if __name__ == '__main__': - ponysay(args) + Ponysay(opts) |