equal
deleted
inserted
replaced
1406 try: |
1406 try: |
1407 return int(os.environ['COLUMNS']) |
1407 return int(os.environ['COLUMNS']) |
1408 except ValueError: |
1408 except ValueError: |
1409 pass |
1409 pass |
1410 return termwidth_() |
1410 return termwidth_() |
|
1411 |
|
1412 def interpolate(prefix, mapping, s, fn=None): |
|
1413 """Return the result of interpolating items in the mapping into string s. |
|
1414 |
|
1415 prefix is a single character string, or a two character string with |
|
1416 a backslash as the first character if the prefix needs to be escaped in |
|
1417 a regular expression. |
|
1418 |
|
1419 fn is an optional function that will be applied to the replacement text |
|
1420 just before replacement. |
|
1421 """ |
|
1422 fn = fn or (lambda s: s) |
|
1423 r = re.compile(r'%s(%s)' % (prefix, '|'.join(mapping.keys()))) |
|
1424 return r.sub(lambda x: fn(mapping[x.group()[1:]]), s) |
|
1425 |