bpo-42426: IDLE: Fix reporting offset of the RE error in searchengine (GH-23447)
diff --git a/Lib/idlelib/searchengine.py b/Lib/idlelib/searchengine.py
index 911e7d4..a50038e 100644
--- a/Lib/idlelib/searchengine.py
+++ b/Lib/idlelib/searchengine.py
@@ -84,20 +84,17 @@ def getprog(self):
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)