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message wrapper (could be written nicer)

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This commit is contained in:
Mattias Andrée 2012-08-20 02:12:13 +02:00
parent 515b4d149e
commit 1e0b26af59
1 changed files with 107 additions and 8 deletions
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115
ponysay.py
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@ -24,7 +24,7 @@ from subprocess import Popen, PIPE
'''
The version of ponysay
'''
VERSION = '2.0'
VERSION = '2.1'
'''
@ -383,7 +383,7 @@ class Ponysay():
cmd = [cowsay, '-f', self.__kms(pony)]
if args.opts['-W'] is not None:
cmd += ['-W', args.opts['-W']]
cmd += ['-W', args.opts['-W'][0]]
cmd.append(msg)
if linuxvt:
@ -392,14 +392,14 @@ class Ponysay():
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']) if args.opts['-W'] is not None else None
messagewrap = int(args.opts['-W'][0]) if args.opts['-W'] is not None else None
proc = Backend(message = msg, ponyfile = pony, wrapcolumn = messagewrap if messagewrap is not None else 40, width = widthtruncation) # Popen(cmd, stdout=PIPE, stdin=sys.stderr)
exit_value = 0
try:
proc.parse()
except:
exit_value = 1
#try:
proc.parse()
#except:
# exit_value = 1
output = proc.output # proc.communicate()[0].decode('utf8', 'replace')
if (len(output) > 0) and (output[-1] == '\n'):
output = output[:-1]
@ -974,7 +974,10 @@ class Backend():
if self.wrapcolumn is not None:
wrap = self.wrapcolumn - left
lines = self.message.split('\n')
msg = self.message
if wrap is not None:
msg = self.__wrapMessage(msg, wrap)
lines = msg.split('\n')
h = 4 + len(lines)
w = 6 + len(max(lines, key = len))
if w < width: w = width
@ -990,6 +993,102 @@ class Backend():
return rc
def __wrapMessage(self, message, wrap):
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':
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 != ' '):
if indent == -1:
indent = i - 1
for j in range(0, indent):
if line[j] == ' ':
indentc += 1
b[bi] = d
bi += 1
cols += 1
map[cols] = bi
else:
mm = 0
while (w > 8) and (cols > w + 3):
mm += w - 1
m = map[mm]
for bb in b[:m]:
buf += bb
buf += '-\n'
cols -= w - 1
m += w -1
bi -= m
bb = b[m:]
for j in range(0, bi):
b[j] = bb[j]
w = wrap
if indent != -1:
buf += line[:indent]
w -= indentc
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 == -1:
i += 1
else:
if w > 0:
buf += ' '
w -= 1
else:
buf += '\n'
w = wrap
if indent != -1:
buf + line[:indent]
w -= indentc
buf += '\n'
return buf[:-1]
'''
Start the program from ponysay.__init__ if this is the executed file