Code: Alles auswählen
# Parameter
P %S1% s134
P %A% app
P %M% /mar
# Destination
D 2 %S1%,s71 testam /%A%%M%/tmp TEST
D 3 s78 testam %M%/tmp TEST
Code: Alles auswählen
['D', '2', 's134,s71', 'testam', '/app/mar/tmp', 'TEST'],
['D', '3', s78, 'testam', '/mar/tmp', 'TEST']Code: Alles auswählen
>>> par_dic
{'%M%': '/mar', '%A%': 'app', '%S1%': 's134'}
Code: Alles auswählen
>>> d_list
[['D', '2', '%S1,s71', 'testam', '/%A%%M%/tmp', 'TEST'], ['D', '3', 's78', 'testam', '%M%/tmp', 'TEST']]
Code: Alles auswählen
[value.replace(par_dic[??]) for value in d_list]Code: Alles auswählen
import re
from functools import partial
def iter_destinations(lines):
parameters = {'': '%'} # '%%' will be replaced by '%'.
substitute = partial(re.compile(r'%(.*?)%').sub,
lambda match: parameters[match.group(1)])
def process_comment(args):
pass
def process_param(args):
name, value = args.split()
parameters[name[1:-1]] = value
def process_destination(args):
return substitute(args).split()
dispatch = {
'#': process_comment,
'P': process_param,
'D': process_destination
}
for line in lines:
command, args = line.split(None, 1)
result = dispatch[command](args)
if command == 'D':
yield result
def main():
with open('test.txt') as lines:
print list(iter_destinations(lines))
if __name__ == "__main__":
main()Code: Alles auswählen
def do_so(data):
# find parameter(1st cycle)
parameter = {} # will contain a paramter: value dict
lines = [] # hold the lines for the second cycle
for line in data:
splits = line.split()
lines.append(line)
if splits[0] == "P":
parameter[splits[1]] = splits[2]
# replace (2nd cycle)
d_list = [] # an entry for each D-line
for line in lines:
splits = line.split()
if splits[0] == "D":
for key in parameter:
if key in line:
line = line.replace(key, parameter[key])
d_list.append(line.split())
return d_list
def main():
with open("test.txt", "r") as data:
print do_so(data)
if __name__ == "__main__":
main()
Code: Alles auswählen
#!/usr/bin/env python
def replace(dest, parameters):
for key, value in parameters.iteritems():
for num in xrange(len(dest)):
dest[num] = dest[num].replace(key, value)
return dest
def read(fileobject):
parameters, destinations = {}, []
for line in fileobject:
line = line.strip().split()
if line[0] == "P": parameters[line[1]] = line[2]
elif line[0] == "D": destinations.append(line)
return parameters, destinations
if __name__ == "__main__":
with open("test.cnf") as handle:
parameters, destinations = read(handle)
fin = (replace(dest, parameters) for dest in destinations)
print(list(fin))
