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screen big ponies from random selection

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This commit is contained in:
Mattias Andrée 2012-11-02 01:23:34 +01:00
parent 1c26679cd1
commit ac4a8ce9d7
3 changed files with 80 additions and 2 deletions
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3
CHANGELOG
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@ -26,6 +26,9 @@ Version 3.0
Balloons can be have and explicit minimum column span with placement justification.
Only ponies that fit the terminal will be randomly selected (for directory with pony
dimension files generated), however if no pony fits, any of the can be randomly selected.
Version 2.9.1

3
manuals/ponysay.texinfo
View file

@ -2678,6 +2678,9 @@ height the balloon causes at the top and at the bottom of the pony.
@file{${XDG_DATA_HOME}/ponysay/*} is allowed in favour of @file{${HOME}/.local/share/ponysay/*}
@item
Balloons can be have and explicit minimum column span with placement justification.
@item
Only ponies that fit the terminal will be randomly selected (for directory with pony
dimension files generated), however if no pony fits, any of the can be randomly selected.
@end itemize

76
ponysay.py
View file

@ -339,6 +339,9 @@ class Ponysay():
if args.opts['-o'] is not None:
self.mode += '$/= $$\\= $'
args.message = ''
self.ponyonly = True
else:
self.ponyonly = False
## The stuff
if args.opts['-q'] is not None:
@ -498,7 +501,7 @@ class Ponysay():
## List all pony files, without the .pony ending
for ponydir in self.ponydirs:
for ponyfile in os.listdir(ponydir):
if endswith(ponyfile, ".pony"):
if endswith(ponyfile, '.pony'):
pony = ponyfile[:-5]
if pony not in ponies:
ponies[pony] = ponydir + ponyfile
@ -509,9 +512,78 @@ class Ponysay():
if os.path.exists(name):
ponies[name] = name
'''
Get ponies that fit the terminal
@param fitting The set to fill
@param requirement The maximum allowed value
@param file The file with all data
'''
def getfitting(fitting, requirement, file):
data = file.read() # not too much data, can load everything at once
ptr = 0
while data[ptr] != 47: # 47 == ord('/')
ptr += 1
ptr += 1
size = 0
while data[ptr] != 47: # 47 == ord('/')
size = (size * 10) - (data[ptr] & 15)
ptr += 1
ptr += 1
jump = ptr - size
stop = 0
backjump = 0
while ptr < jump:
size = 0
while data[ptr] != 47: # 47 == ord('/')
size = (size * 10) - (data[ptr] & 15)
ptr += 1
ptr += 1
if -size > requirement:
if backjump > 0:
ptr = backjump
while data[ptr] != 47: # 47 == ord('/')
stop = (stop * 10) - (data[ptr] & 15)
ptr += 1
stop = -stop
break
backjump = ptr
while data[ptr] != 47: # 47 == ord('/')
ptr += 1
ptr += 1
if ptr == jump:
stop = len(data)
else:
ptr = jump
stop += ptr
passed = data[jump : stop].decode('utf8', 'replace').split('/')
for pony in passed:
fitting.add(pony)
## If there is not select ponies, choose all of them
if (names is None) or (len(names) == 0):
names = list(ponies.keys())
oldponies = ponies
ponies = {}
(termh, termw) = self.__gettermsize()
for ponydir in self.ponydirs:
(fitw, fith) = (None, None)
if os.path.exists(ponydir + 'widths'):
fitw = set()
with open(ponydir + 'widths', 'rb') as file:
getfitting(fitw, termw, file)
if os.path.exists(ponydir + ('onlyheights' if self.ponyonly else 'heights')):
fith = set()
with open(ponydir + ('onlyheights' if self.ponyonly else 'heights'), 'rb') as file:
getfitting(fith, termh, file)
for ponyfile in os.listdir(ponydir):
if endswith(ponyfile, '.pony'):
pony = ponyfile[:-5]
if pony not in ponies:
if (fitw is None) or (pony in fitw):
if (fith is None) or (pony in fith):
ponies[pony] = ponydir + ponyfile
names = list((oldponies if len(ponies) == 0 else ponies).keys())
## Select a random pony of the choosen onles
pony = names[random.randrange(0, len(names))]