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loop - Optional event loop.
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verify_ssl - Set to True to check ssl certifications.
fingerprint - Pass the binary sha256
digest of the expected certificate in DER format to verify
that the certificate the server presents matches. See also
https://en.wikipedia.org/wiki/Transport_Layer_Security#Certificate_pinning
resolver - Enable DNS lookups and use this
resolver
use_dns_cache - Use memory cache for DNS lookups.
ttl_dns_cache - Max seconds having cached a DNS entry, None forever.
family - socket address family
local_addr - local tuple of (host, port) to bind socket to
keepalive_timeout - (optional) Keep-alive timeout.
force_close - Set to True to force close and do reconnect
after each request (and between redirects).
limit - The total number of simultaneous connections.
limit_per_host - Number of simultaneous connections to one host.
enable_cleanup_closed - Enables clean-up closed ssl transports.
Disabled by default.
loop - Optional event loop.
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zTCPConnector._resolve_hostr& r6 )r� r� r� r= c � s< |j r | �|||�I dH \}}n| �|||�I dH \}}|S )zcCreate connection.
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sslcontextZattr_errr? r? r@ �_make_ssl_context� s z TCPConnector._make_ssl_context)r� r= c C sz |� � rrtdkrtd��|j}t|tj�r.|S |dk r@| �d�S | j}t|tj�rV|S |dk rh| �d�S | �d�S dS dS )a* Logic to get the correct SSL context
0. if req.ssl is false, return None
1. if ssl_context is specified in req, use it
2. if _ssl_context is specified in self, use it
3. otherwise:
1. if verify_ssl is not specified in req, use self.ssl_context
(will generate a default context according to self.verify_ssl)
2. if verify_ssl is True in req, generate a default SSL context
3. if verify_ssl is False in req, generate a SSL context that
won't verify
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