Fix SMTPResponse.status_text type: str → bytes

smtplib.SMTP.mail/rcpt/data return (int, bytes), so status_text
and the text parameter of set_status() should be bytes, not str.

Author: lavr

emails/backend/response.py

@@ -41,11 +41,11 @@ def __init__(self, exception: Exception | None = None, backend: Any = None) -> N
         self.rcpt_options: list[str] | None = None
 
         self.status_code: int | None = None
-        self.status_text: str | None = None
+        self.status_text: bytes | None = None
         self.last_command: str | None = None
         self.refused_recipients: dict[str, tuple[int, bytes]] = {}
 
-    def set_status(self, command: str, code: int, text: str, **kwargs: Any) -> None:
+    def set_status(self, command: str, code: int, text: bytes, **kwargs: Any) -> None:
         self.responses.append([command, code, text, kwargs])
         self.status_code = code
         self.status_text = text

emails/testsuite/smtp/test_smtp_response.py

@@ -15,16 +15,16 @@ def test_smtp_response_defaults():
 
 def test_smtp_response_set_status():
     r = SMTPResponse()
-    r.set_status('mail', 250, 'OK')
+    r.set_status('mail', 250, b'OK')
     assert r.status_code == 250
-    assert r.status_text == 'OK'
+    assert r.status_text == b'OK'
     assert r.last_command == 'mail'
     assert len(r.responses) == 1
 
 
 def test_smtp_response_success():
     r = SMTPResponse()
-    r.set_status('data', 250, 'OK')
+    r.set_status('data', 250, b'OK')
     assert not r.success  # _finished is False
     r._finished = True
     assert r.success