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| author | Bob Halley <halley@dnspython.org> | 2020-06-12 13:59:19 -0700 |
|---|---|---|
| committer | Bob Halley <halley@dnspython.org> | 2020-06-12 13:59:19 -0700 |
| commit | 0aef9b6b5ee2894a026b1850caa77855a40075c0 (patch) | |
| tree | 66062b47534197b31d48554aea1b49780a6c34a6 /dns | |
| parent | d767922a498c8e683bbcaf32175d33c3216b76c9 (diff) | |
| download | dnspython-0aef9b6b5ee2894a026b1850caa77855a40075c0.tar.gz | |
only get_default_backend() when we need to, remove obsolete comment
Diffstat (limited to 'dns')
| -rw-r--r-- | dns/asyncquery.py | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/dns/asyncquery.py b/dns/asyncquery.py index d1c1793..68d1a35 100644 --- a/dns/asyncquery.py +++ b/dns/asyncquery.py @@ -186,8 +186,6 @@ async def udp(q, where, timeout=None, port=53, source=None, source_port=0, Returns a ``dns.message.Message``. """ - if not backend: - backend = dns.asyncbackend.get_default_backend() wire = q.to_wire() (begin_time, expiration) = _compute_times(timeout) s = None @@ -195,6 +193,8 @@ async def udp(q, where, timeout=None, port=53, source=None, source_port=0, if sock: s = sock else: + if not backend: + backend = dns.asyncbackend.get_default_backend() af = dns.inet.af_for_address(where) stuple = _source_tuple(af, source, source_port) s = await backend.make_socket(af, socket.SOCK_DGRAM, 0, stuple) @@ -388,8 +388,6 @@ async def tcp(q, where, timeout=None, port=53, source=None, source_port=0, Returns a ``dns.message.Message``. """ - if not backend: - backend = dns.asyncbackend.get_default_backend() wire = q.to_wire() (begin_time, expiration) = _compute_times(timeout) s = None @@ -407,6 +405,8 @@ async def tcp(q, where, timeout=None, port=53, source=None, source_port=0, af = dns.inet.af_for_address(where) stuple = _source_tuple(af, source, source_port) dtuple = (where, port) + if not backend: + backend = dns.asyncbackend.get_default_backend() s = await backend.make_socket(af, socket.SOCK_STREAM, 0, stuple, dtuple, timeout) await send_tcp(s, wire, expiration) @@ -468,8 +468,6 @@ async def tls(q, where, timeout=None, port=853, source=None, source_port=0, Returns a ``dns.message.Message``. """ - if not backend: - backend = dns.asyncbackend.get_default_backend() (begin_time, expiration) = _compute_times(timeout) if not sock: if ssl_context is None: @@ -482,15 +480,14 @@ async def tls(q, where, timeout=None, port=853, source=None, source_port=0, af = dns.inet.af_for_address(where) stuple = _source_tuple(af, source, source_port) dtuple = (where, port) + if not backend: + backend = dns.asyncbackend.get_default_backend() s = await backend.make_socket(af, socket.SOCK_STREAM, 0, stuple, dtuple, timeout, ssl_context, server_hostname) else: s = sock try: - # - # If a socket was provided, there's no special TLS handling needed. - # timeout = _timeout(expiration) response = await tcp(q, where, timeout, port, source, source_port, one_rr_per_rrset, ignore_trailing, s, backend) |