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bpo-42426: IDLE: Fix reporting offset of the RE error in searchengine (GH-23447)

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Serhiy Storchaka 2020-11-22 07:06:51 +02:00 • committed by GitHub
parent 442746af64
commit 453bc1da20
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4 changed files with 11 additions and 9 deletions
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11
Lib/idlelib/searchengine.py
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@ -84,20 +84,17 @@ class SearchEngine:
flags = flags | re.IGNORECASE
try:
prog = re.compile(pat, flags)
except re.error as what:
args = what.args
msg = args[0]
col = args[1] if len(args) >= 2 else -1
self.report_error(pat, msg, col)
except re.error as e:
self.report_error(pat, e.msg, e.pos)
return None
return prog
def report_error(self, pat, msg, col=-1):
def report_error(self, pat, msg, col=None):
# Derived class could override this with something fancier
msg = "Error: " + str(msg)
if pat:
msg = msg + "\nPattern: " + str(pat)
if col >= 0:
if col is not None:
msg = msg + "\nOffset: " + str(col)
tkMessageBox.showerror("Regular expression error",
msg, master=self.root)