def _expand(self, m, template):
# XXX This code depends on internals of the regular expression
# engine! There's no standard API to do a substitution when you
# have already found the match. One should be added.
# The solution here is designed to be backwards compatible
# with previous Python versions, e.g. 1.5.2.
# XXX This dynamic test should be done only once.
if getattr(re, "engine", "pre") == "pre":
return re.pcre_expand(m, template)
else: # sre
# XXX This import should be avoidable...
import sre_parse
# XXX This parses the template over and over...
ptemplate = sre_parse.parse_template(template, m.re)
return sre_parse.expand_template(ptemplate, m)
def _expand(self, m, template):
# XXX This code depends on internals of the regular expression
# engine! There's no standard API to do a substitution when you
# have already found the match. One should be added.
# The solution here is designed to be backwards compatible
# with previous Python versions, e.g. 1.5.2.
# XXX This dynamic test should be done only once.
if getattr(re, "engine", "pre") == "pre":
return re.pcre_expand(m, template)
else: # sre
# XXX This import should be avoidable...
import sre_parse
# XXX This parses the template over and over...
ptemplate = sre_parse.parse_template(template, m.re)
return sre_parse.expand_template(ptemplate, m)
def expand_sub(string, template, debug=0, mode='all') :
""" Given a regular expression and a replacement string, generate expansions of
the regular expression and for each one return it and its transformation
as applied by the replacement string.
string : regular expression to expand
template : transformation to apply to each regular expression
mode : can take 3 values
all : return all possible shortest strings that the regular expression
would match
first : return the first string that all would return
random : return one random string that the regular expression would match
"""
pattern = sre_parse.parse(string, flags=sre_parse.SRE_FLAG_VERBOSE)
pattern.mode = mode
template = sre_parse.parse_template(template, pattern)
if debug :
print pattern
print template
for s in _iterate(pattern, pattern.data, MatchObj(pattern, "")) :
s.patient = 0
yield (s.string, sre_parse.expand_template(template, s))
def expand_sub(string, template, debug=0, mode='all'):
""" Given a regular expression and a replacement string, generate expansions of
the regular expression and for each one return it and its transformation
as applied by the replacement string.
string : regular expression to expand
template : transformation to apply to each regular expression
mode : can take 3 values
all : return all possible shortest strings that the regular expression
would match
first : return the first string that all would return
random : return one random string that the regular expression would match
"""
pattern = sre_parse.parse(string, flags=sre_parse.SRE_FLAG_VERBOSE)
pattern.mode = mode
template = sre_parse.parse_template(template, pattern)
if debug:
print(pattern)
print(template)
for s in _iterate(pattern, pattern.data, MatchObj(pattern, "")):
s.patient = 0
yield (s.string, sre_parse.expand_template(template, s))
def filter(match, template=template):
return sre_parse.expand_template(template, match)
def _expand(pattern, match, template):
# internal: match.expand implementation hook
template = sre_parse.parse_template(template, pattern)
return sre_parse.expand_template(template, match)
def _expand(pattern, match, template):
template = sre_parse.parse_template(template, pattern)
return sre_parse.expand_template(template, match)
def _expand(pattern, match, template):
template = sre_parse.parse_template(template, pattern)
return sre_parse.expand_template(template, match)
#
def expand(self, template) :
template = sre_parse.parse_template(template, self.pattern)
return sre_parse.expand_template(template, self)
def expand(self, template):
template = sre_parse.parse_template(template, self.pattern)
return sre_parse.expand_template(template, self)
def filter(match, template = template): #@ReservedAssignment
return sre_parse.expand_template(template, match)
#
def update_event(self, inp=-1):
self.set_output_val(
0, sre_parse.expand_template(self.input(0), self.input(1)))
def filter(match, template=template): #@ReservedAssignment
return sre_parse.expand_template(template, match)
import string
