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Code Releases Wiki Activity

Remove import check for service_identity

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service_identity.exceptions.CertificateError is available in the current minimum version (16.0.0)
This commit is contained in:
Eugenio Lacuesta 2019-08-08 23:18:47 -03:00
parent 3164543ed1
commit b404941e0d
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1 changed files with 3 additions and 11 deletions
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14
scrapy/core/downloader/tls.py
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@ -1,8 +1,9 @@
import logging
from OpenSSL import SSL
from twisted.internet.ssl import AcceptableCiphers
from service_identity.exceptions import CertificateError
from twisted.internet._sslverify import ClientTLSOptions, verifyHostname, VerificationError
from twisted.internet.ssl import AcceptableCiphers
from scrapy import twisted_version
from scrapy.utils.ssl import x509name_to_string, get_temp_key_info
@ -27,15 +28,6 @@ openssl_methods = {
}
try:
# XXX: this import would fail on Debian jessie with system installed
# service_identity library, due to lack of cryptography.x509 dependency
# See https://github.com/pyca/service_identity/issues/21
from service_identity.exceptions import CertificateError
verification_errors = (CertificateError, VerificationError)
except ImportError:
verification_errors = VerificationError
if twisted_version < (17, 0, 0):
from twisted.internet._sslverify import _maybeSetHostNameIndication
set_tlsext_host_name = _maybeSetHostNameIndication
@ -87,7 +79,7 @@ class ScrapyClientTLSOptions(ClientTLSOptions):
try:
verifyHostname(connection, self._hostnameASCII)
except verification_errors as e:
except (CertificateError, VerificationError) as e:
logger.warning(
'Remote certificate is not valid for hostname "{}"; {}'.format(
self._hostnameASCII, e))