From: Bob Halley <halley@dnspython.org>
Date: Wed, 26 Mar 2025 13:22:28 +0000 (-0700)
Subject: fix issues found with latest version of pyright
X-Git-Tag: v2.8.0rc1~46
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcb4c1621fc0351eb8a92cb36ecdb75be2977da5;p=thirdparty%2Fdnspython.git

fix issues found with latest version of pyright
---

diff --git a/dns/_asyncio_backend.py b/dns/_asyncio_backend.py
index 99656d44..303908ce 100644
--- a/dns/_asyncio_backend.py
+++ b/dns/_asyncio_backend.py
@@ -131,7 +131,7 @@ if dns._features.have("doh"):
     import httpx
 
     _CoreAsyncNetworkBackend = httpcore.AsyncNetworkBackend
-    _CoreAnyIOStream = httpcore._backends.anyio.AnyIOStream
+    _CoreAnyIOStream = httpcore._backends.anyio.AnyIOStream  # pyright: ignore
 
     from dns.query import _compute_times, _expiration_for_this_attempt, _remaining
 
diff --git a/dns/query.py b/dns/query.py
index 5d57666c..e4f7ac68 100644
--- a/dns/query.py
+++ b/dns/query.py
@@ -550,6 +550,7 @@ def https(
     with cm as session:
         # see https://tools.ietf.org/html/rfc8484#section-4.1.1 for DoH
         # GET and POST examples
+        assert session is not None
         if post:
             headers.update(
                 {
diff --git a/dns/resolver.py b/dns/resolver.py
index 6e160484..47e2556b 100644
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -318,6 +318,10 @@ class Answers(dict):
     """A dict of DNS stub resolver answers, indexed by type."""
 
 
+class EmptyHostAnswers(dns.exception.DNSException):
+    """The HostAnswers has no addresses"""
+
+
 class HostAnswers(Answers):
     """A dict of DNS stub resolver answers to a host name lookup, indexed by
     type.
@@ -364,6 +368,8 @@ class HostAnswers(Answers):
     # Returns the canonical name from this result.
     def canonical_name(self) -> dns.name.Name:
         answer = self.get(dns.rdatatype.AAAA, self.get(dns.rdatatype.A))
+        if answer is None:
+            raise EmptyHostAnswers
         return answer.canonical_name