#12818: remove escaping of () in quoted strings in formataddr
The quoting of ()s inside quoted strings is allowed by the RFC, but is not
needed. There seems to be no reason to add needless escapes.
diff --git a/Lib/email/utils.py b/Lib/email/utils.py
index aecea65..138f05d 100644
--- a/Lib/email/utils.py
+++ b/Lib/email/utils.py
@@ -55,7 +55,7 @@
TICK = "'"
specialsre = re.compile(r'[][\\()<>@,:;".]')
-escapesre = re.compile(r'[][\\()"]')
+escapesre = re.compile(r'[\\"]')
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index 1f354c2..08a49f8 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -2702,7 +2702,10 @@
def test_escape_dump(self):
self.assertEqual(
utils.formataddr(('A (Very) Silly Person', 'person@dom.ain')),
- r'"A \(Very\) Silly Person" <person@dom.ain>')
+ r'"A (Very) Silly Person" <person@dom.ain>')
+ self.assertEqual(
+ utils.parseaddr(r'"A \(Very\) Silly Person" <person@dom.ain>'),
+ ('A (Very) Silly Person', 'person@dom.ain'))
a = r'A \(Special\) Person'
b = 'person@dom.ain'
self.assertEqual(utils.parseaddr(utils.formataddr((a, b))), (a, b))
@@ -2800,6 +2803,15 @@
self.assertEqual(('', 'merwok.wok.wok@xample.com'),
utils.parseaddr('merwok. wok . wok@xample.com'))
+ def test_formataddr_does_not_quote_parens_in_quoted_string(self):
+ addr = ("'foo@example.com' (foo@example.com)",
+ 'foo@example.com')
+ addrstr = ('"\'foo@example.com\' '
+ '(foo@example.com)" <foo@example.com>')
+ self.assertEqual(utils.parseaddr(addrstr), addr)
+ self.assertEqual(utils.formataddr(addr), addrstr)
+
+
def test_multiline_from_comment(self):
x = """\
Foo
diff --git a/Misc/NEWS b/Misc/NEWS
index 45fb967..96ce07c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -24,6 +24,9 @@
Library
-------
+- Issue #12818: format address no longer needlessly \ escapes ()s in names when
+ the name ends up being quoted.
+
- Issue #14062: BytesGenerator now correctly folds Header objects,
including using linesep when folding.