def replace(self, match):
"""Replaces 'match' through the correct replacement string."""
transformed = self._expression
# Replace all $? with capture groups
transformed = _DOLLAR.subn(lambda m: match.group(int(m.group(1))),
transformed)[0]
# Replace Case switches
def _one_char_case_change(match):
"""Replaces one character case changes."""
if match.group(1)[0] == "u":
return match.group(1)[-1].upper()
else:
return match.group(1)[-1].lower()
transformed = _ONE_CHAR_CASE_SWITCH.subn(_one_char_case_change,
transformed)[0]
def _multi_char_case_change(match):
"""Replaces multi character case changes."""
if match.group(1)[0] == "U":
return match.group(1)[1:].upper()
else:
return match.group(1)[1:].lower()
transformed = _LONG_CASEFOLDINGS.subn(_multi_char_case_change,
transformed)[0]
transformed = _replace_conditional(match, transformed)
return unescape(fill_in_whitespace(transformed))
def replace(self, match):
"""Replaces 'match' through the correct replacement string."""
transformed = self._expression
# Replace all $? with capture groups
transformed = _DOLLAR.subn(
lambda m: match.group(int(m.group(1))), transformed)[0]
# Replace Case switches
def _one_char_case_change(match):
"""Replaces one character case changes."""
if match.group(1)[0] == 'u':
return match.group(1)[-1].upper()
else:
return match.group(1)[-1].lower()
transformed = _ONE_CHAR_CASE_SWITCH.subn(
_one_char_case_change, transformed)[0]
def _multi_char_case_change(match):
"""Replaces multi character case changes."""
if match.group(1)[0] == 'U':
return match.group(1)[1:].upper()
else:
return match.group(1)[1:].lower()
transformed = _LONG_CASEFOLDINGS.subn(
_multi_char_case_change, transformed)[0]
transformed = _replace_conditional(match, transformed)
return unescape(fill_in_whitespace(transformed))