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-rw-r--r--Lib/email/_parseaddr.py2
-rw-r--r--Lib/test/test_email/test_email.py1
-rw-r--r--Misc/NEWS.d/next/Library/2021-10-13-17-52-48.bpo-45239.7li1_0.rst3
3 files changed, 6 insertions, 0 deletions
diff --git a/Lib/email/_parseaddr.py b/Lib/email/_parseaddr.py
index 977fedf..ba5ad5a 100644
--- a/Lib/email/_parseaddr.py
+++ b/Lib/email/_parseaddr.py
@@ -128,6 +128,8 @@ def _parsedate_tz(data):
tss = 0
elif len(tm) == 3:
[thh, tmm, tss] = tm
+ else:
+ return None
else:
return None
try:
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index 4001f71..54ffcdc 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -3009,6 +3009,7 @@ class TestMiscellaneous(TestEmailBase):
self.assertIsNone(utils.parsedate_tz('0'))
self.assertIsNone(utils.parsedate('A Complete Waste of Time'))
self.assertIsNone(utils.parsedate_tz('A Complete Waste of Time'))
+ self.assertIsNone(utils.parsedate_tz('Wed, 3 Apr 2002 12.34.56.78+0800'))
# Not a part of the spec but, but this has historically worked:
self.assertIsNone(utils.parsedate(None))
self.assertIsNone(utils.parsedate_tz(None))
diff --git a/Misc/NEWS.d/next/Library/2021-10-13-17-52-48.bpo-45239.7li1_0.rst b/Misc/NEWS.d/next/Library/2021-10-13-17-52-48.bpo-45239.7li1_0.rst
new file mode 100644
index 0000000..9e5ec56
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-10-13-17-52-48.bpo-45239.7li1_0.rst
@@ -0,0 +1,3 @@
+Fixed :func:`email.utils.parsedate_tz` crashing with
+:exc:`UnboundLocalError` on certain invalid input instead of returning
+``None``. Patch by Ben Hoyt.