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Utils: add parse_rfc2822date

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(Useful for interpreting date header in inbound messages)
This commit is contained in:
medmunds
2017-10-24 15:05:31 -07:00
parent bd912fa3ca
commit fe097ce4b4
2 changed files with 75 additions and 5 deletions
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41
tests/test_utils.py
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@@ -18,10 +18,11 @@ except ImportError:
string_concat = None
from anymail.exceptions import AnymailInvalidAddress
from anymail.utils import (parse_address_list, ParsedEmail,
is_lazy, force_non_lazy, force_non_lazy_dict, force_non_lazy_list,
update_deep,
get_request_uri, get_request_basic_auth)
from anymail.utils import (
parse_address_list, ParsedEmail,
is_lazy, force_non_lazy, force_non_lazy_dict, force_non_lazy_list,
update_deep,
get_request_uri, get_request_basic_auth, parse_rfc2822date)
class ParseAddressListTests(SimpleTestCase):
@@ -296,3 +297,35 @@ class RequestUtilsTests(SimpleTestCase):
HTTP_AUTHORIZATION=self.basic_auth('user', 'pass'))
self.assertEqual(get_request_uri(request),
"https://user:pass@secret.example.com:8989/path/to/?query")
class ParseRFC2822DateTests(SimpleTestCase):
def test_with_timezones(self):
dt = parse_rfc2822date("Tue, 24 Oct 2017 10:11:35 -0700")
self.assertEqual(dt.isoformat(), "2017-10-24T10:11:35-07:00")
self.assertIsNotNone(dt.utcoffset()) # aware
dt = parse_rfc2822date("Tue, 24 Oct 2017 10:11:35 +0700")
self.assertEqual(dt.isoformat(), "2017-10-24T10:11:35+07:00")
self.assertIsNotNone(dt.utcoffset()) # aware
dt = parse_rfc2822date("Tue, 24 Oct 2017 10:11:35 +0000")
self.assertEqual(dt.isoformat(), "2017-10-24T10:11:35+00:00")
self.assertIsNotNone(dt.tzinfo) # aware
def test_without_timezones(self):
dt = parse_rfc2822date("Tue, 24 Oct 2017 10:11:35 -0000") # "no timezone information"
self.assertEqual(dt.isoformat(), "2017-10-24T10:11:35")
self.assertIsNone(dt.tzinfo) # naive (compare with +0000 version in previous test)
dt = parse_rfc2822date("Tue, 24 Oct 2017 10:11:35")
self.assertEqual(dt.isoformat(), "2017-10-24T10:11:35")
self.assertIsNone(dt.tzinfo) # naive
def test_unparseable_dates(self):
self.assertIsNone(parse_rfc2822date(""))
self.assertIsNone(parse_rfc2822date(" "))
self.assertIsNone(parse_rfc2822date("garbage"))
self.assertIsNone(parse_rfc2822date("Tue, 24 Oct"))
self.assertIsNone(parse_rfc2822date("Lug, 24 Nod 2017 10:11:35 +0000"))
self.assertIsNone(parse_rfc2822date("Tue, 99 Oct 9999 99:99:99 +9999"))