FM / modulator

/usr/lib64/python2.6/site-packages/modulator/

/usr/lib64/python2.6/site-packages/modulator

Name	Size	Mode	Actions
Templates/	-	0755	rm
EXAMPLE.py	1360	0644	edit dl rm
EXAMPLE.pyc	1040	0644	edit dl rm
EXAMPLE.pyo	1040	0644	edit dl rm
genmodule.py	4824	0644	edit dl rm
genmodule.pyc	5370	0644	edit dl rm
genmodule.pyo	5370	0644	edit dl rm
modulator.py	14441	0755	edit dl rm
modulator.pyc	12606	0644	edit dl rm
modulator.pyo	12606	0644	edit dl rm
README	980	0644	edit dl rm
ScrolledListbox.py	1477	0644	edit dl rm
ScrolledListbox.pyc	1389	0644	edit dl rm
ScrolledListbox.pyo	1389	0644	edit dl rm
Tkextra.py	7497	0755	edit dl rm
Tkextra.pyc	6839	0644	edit dl rm
Tkextra.pyo	6839	0644	edit dl rm
varsubst.py	1446	0644	edit dl rm
varsubst.pyc	2323	0644	edit dl rm
varsubst.pyo	2323	0644	edit dl rm

Edit: /usr/lib64/python2.6/site-packages/modulator/varsubst.py (1446B)

#
# Variable substitution. Variables are $delimited$
#
import re

error = 'varsubst.error'

class Varsubst:
    def __init__(self, dict):
        self.dict = dict
        self.prog = re.compile('\$([a-zA-Z0-9_]*)\$')
        self.do_useindent = 0

def useindent(self, onoff):
        self.do_useindent = onoff

def subst(self, s):
        rv = ''
        while 1:
            m = self.prog.search(s)
            if not m:
                return rv + s
            rv = rv + s[:m.start()]
            s = s[m.end():]
            if m.end() - m.start() == 2:
                # Escaped dollar
                rv = rv + '$'
                s = s[2:]
                continue
            name = m.group(1)
            if not self.dict.has_key(name):
                raise error, 'No such variable: '+name
            value = self.dict[name]
            if self.do_useindent and '\n' in value:
                value = self._modindent(value, rv)
            rv = rv + value

def _modindent(self, value, old):
        lastnl = old.rfind('\n', 0) + 1
        lastnl = len(old) - lastnl
        sub = '\n' + (' '*lastnl)
        return re.sub('\n', sub, value)

def _test():
    import sys
    import os

sys.stderr.write('-- Copying stdin to stdout with environment map --\n')
    c = Varsubst(os.environ)
    c.useindent(1)
    d = sys.stdin.read()
    sys.stdout.write(c.subst(d))
    sys.exit(1)

if __name__ == '__main__':
    _test()

cmd: