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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-08-11 21:04:31 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-08-11 21:04:31 (GMT) |
| commit | 9500bbe9372f6080decc49d2fd9365f0b927a0e2 (patch) | |
| tree | ccc4bc441185a56739a190c80588ac43abda052e /Lib/email | |
| parent | c61f9b57cfce9e96bdea5674634e3a9c185b675f (diff) | |
| download | cpython-9500bbe9372f6080decc49d2fd9365f0b927a0e2.zip cpython-9500bbe9372f6080decc49d2fd9365f0b927a0e2.tar.gz cpython-9500bbe9372f6080decc49d2fd9365f0b927a0e2.tar.bz2 | |
bpo-32178: Fix IndexError trying to parse 'To' header starting with ':'. (GH-15044)
This should fix the IndexError trying to retrieve `DisplayName.display_name` and `DisplayName.value` when the `value` is basically an empty string.
https://bugs.python.org/issue32178
(cherry picked from commit 09a1872a8007048dcdf825a476816c5e3498b8f8)
Co-authored-by: Abhilash Raj <maxking@users.noreply.github.com>
Diffstat (limited to 'Lib/email')
| -rw-r--r-- | Lib/email/_header_value_parser.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py index a930792..3d369e4 100644 --- a/Lib/email/_header_value_parser.py +++ b/Lib/email/_header_value_parser.py @@ -549,6 +549,8 @@ class DisplayName(Phrase): @property def display_name(self): res = TokenList(self) + if len(res) == 0: + return res.value if res[0].token_type == 'cfws': res.pop(0) else: @@ -570,7 +572,7 @@ class DisplayName(Phrase): for x in self: if x.token_type == 'quoted-string': quote = True - if quote: + if len(self) != 0 and quote: pre = post = '' if self[0].token_type=='cfws' or self[0][0].token_type=='cfws': pre = ' ' |