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windows dns hack: fix #6473

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SomberNight
2020-08-25 16:57:10 +02:00
parent a669c6b765
commit 6802bcb960
1 changed files with 6 additions and 2 deletions
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8
electrum/dns_hacks.py
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@@ -32,8 +32,12 @@ def configure_dns_depending_on_proxy(is_proxy: bool) -> None:
# On Windows, socket.getaddrinfo takes a mutex, and might hold it for up to 10 seconds # On Windows, socket.getaddrinfo takes a mutex, and might hold it for up to 10 seconds
# when dns-resolving. To speed it up drastically, we resolve dns ourselves, outside that lock. # when dns-resolving. To speed it up drastically, we resolve dns ourselves, outside that lock.
# See https://github.com/spesmilo/electrum/issues/4421 # See https://github.com/spesmilo/electrum/issues/4421
_prepare_windows_dns_hack() try:
socket.getaddrinfo = _fast_getaddrinfo _prepare_windows_dns_hack()
except Exception as e:
_logger.exception('failed to apply windows dns hack.')
else:
socket.getaddrinfo = _fast_getaddrinfo
else: else:
socket.getaddrinfo = socket._getaddrinfo socket.getaddrinfo = socket._getaddrinfo