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py-cvs merge, python 1.5.2 compatability

This commit is contained in:
Steven M. Gava 2001-07-12 06:54:16 +00:00
parent 42f6c64816
commit e9880c81b9
1 changed files with 18 additions and 2 deletions
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20
Lib/idlelib/ReplaceDialog.py
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@ -90,7 +90,7 @@ class ReplaceDialog(SearchDialogBase):
line, m = res
chars = text.get("%d.0" % line, "%d.0" % (line+1))
orig = m.group()
new = re.pcre_expand(m, repl)
new = self._expand(m, repl)
i, j = m.span()
first = "%d.%d" % (line, i)
last = "%d.%d" % (line, j)
@ -142,7 +142,7 @@ class ReplaceDialog(SearchDialogBase):
m = prog.match(chars, col)
if not prog:
return 0
new = re.pcre_expand(m, self.replvar.get())
new = self._expand(m, self.replvar.get())
text.mark_set("insert", first)
text.undo_block_start()
if m.group():
@ -154,6 +154,22 @@ class ReplaceDialog(SearchDialogBase):
self.ok = 0
return 1
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 show_hit(self, first, last):
text = self.text
text.mark_set("insert", first)