[issue28747] Expose SSL_CTX_set_cert_verify_callback

[Ned Deily]

Ned Deily added the comment:

And, as it stands, the tests fail (at least on macOS):

==
ERROR: test_set_cert_verify_callback (test.test_ssl.SimpleBackgroundTests)
--
Traceback (most recent call last):
  File 
"/py/dev/36/root/fwd_macports/Library/Frameworks/pytest_10.12.framework/Versions/3.6/lib/python3.6/test/test_ssl.py",
 line 1782, in test_set_cert_verify_callback
ctx._set_cert_verify_callback(callback)
AttributeError: 'SSLContext' object has no attribute '_set_cert_verify_callback'

==
ERROR: test_set_cert_verify_callback_error (test.test_ssl.SimpleBackgroundTests)
--
Traceback (most recent call last):
  File 
"/py/dev/36/root/fwd_macports/Library/Frameworks/pytest_10.12.framework/Versions/3.6/lib/python3.6/test/test_ssl.py",
 line 1805, in test_set_cert_verify_callback_error
ctx._set_cert_verify_callback(raise_error)
AttributeError: 'SSLContext' object has no attribute '_set_cert_verify_callback'

==
ERROR: test_set_cert_verify_callback_suppress_error 
(test.test_ssl.SimpleBackgroundTests)
--
Traceback (most recent call last):
  File 
"/py/dev/36/root/fwd_macports/Library/Frameworks/pytest_10.12.framework/Versions/3.6/lib/python3.6/test/test_ssl.py",
 line 1827, in test_set_cert_verify_callback_suppress_error
ctx._set_cert_verify_callback(raise_error)
AttributeError: 'SSLContext' object has no attribute '_set_cert_verify_callback'

--
Ran 130 tests in 27.416s

FAILED (errors=3, skipped=8)

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[issue28747] Expose SSL_CTX_set_cert_verify_callback

[Ned Deily]

Ned Deily added the comment:

We are two weeks from producing the release candidate for 3.6.0.  I don't think 
we should be rushing to add a new security-critical API which, IIUC, won't be 
used in the initial release anyway.  Let's target it for 3.7 after proper 
review and then we can decide whether it makes sense to backport to a 3.6.x 
maint release if the security issues it may solve warrant it.

--
versions:  -Python 3.6

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[issue28032] --with-lto builds segfault in many situations

[Ned Deily]

Ned Deily added the comment:

For 3.6 at least, there are still mentions of --with-optimizations in 
Doc/whatsnew/3.6.rst and README.

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[issue27945] Various segfaults with dict

[INADA Naoki]

INADA Naoki added the comment:

LGTM.

Performance on Azure VM (AMD Opteron(tm) Processor 4171 HE):

$ ~/local/py36/bin/patched -m perf compare_to master.json patched.json -G
Slower (10):
- spectral_norm: 915 ms +- 17 ms -> 967 ms +- 25 ms: 1.06x slower
- nbody: 774 ms +- 28 ms -> 805 ms +- 22 ms: 1.04x slower
- regex_dna: 965 ms +- 18 ms -> 993 ms +- 22 ms: 1.03x slower
- go: 1.93 sec +- 0.05 sec -> 1.99 sec +- 0.06 sec: 1.03x slower
- python_startup_no_site: 29.7 ms +- 2.0 ms -> 30.5 ms +- 2.0 ms: 1.03x slower
- xml_etree_parse: 1.02 sec +- 0.03 sec -> 1.04 sec +- 0.04 sec: 1.02x slower
- python_startup: 52.7 ms +- 3.6 ms -> 53.7 ms +- 3.6 ms: 1.02x slower
- xml_etree_generate: 962 ms +- 24 ms -> 978 ms +- 25 ms: 1.02x slower
- pickle_dict: 188 us +- 8 us -> 191 us +- 8 us: 1.02x slower
- scimark_fft: 2.19 sec +- 0.04 sec -> 2.20 sec +- 0.05 sec: 1.00x slower

Faster (26):
- fannkuch: 3.76 sec +- 0.07 sec -> 3.55 sec +- 0.09 sec: 1.06x faster
- call_method_slots: 59.4 ms +- 9.0 ms -> 56.6 ms +- 3.4 ms: 1.05x faster
- sqlite_synth: 27.6 us +- 1.4 us -> 26.4 us +- 1.2 us: 1.05x faster
- nqueens: 852 ms +- 19 ms -> 813 ms +- 20 ms: 1.05x faster
- django_template: 1.35 sec +- 0.04 sec -> 1.29 sec +- 0.03 sec: 1.05x faster
- unpack_sequence: 407 ns +- 16 ns -> 390 ns +- 16 ns: 1.04x faster
- call_method: 60.6 ms +- 1.4 ms -> 58.1 ms +- 1.6 ms: 1.04x faster
- xml_etree_iterparse: 918 ms +- 29 ms -> 881 ms +- 32 ms: 1.04x faster
- unpickle_pure_python: 3.44 ms +- 0.14 ms -> 3.31 ms +- 0.19 ms: 1.04x faster
- richards: 608 ms +- 20 ms -> 585 ms +- 15 ms: 1.04x faster
- chaos: 921 ms +- 22 ms -> 891 ms +- 24 ms: 1.03x faster
- mako: 189 ms +- 8 ms -> 183 ms +- 8 ms: 1.03x faster
- meteor_contest: 699 ms +- 23 ms -> 677 ms +- 26 ms: 1.03x faster
- regex_compile: 1.52 sec +- 0.03 sec -> 1.48 sec +- 0.04 sec: 1.03x faster
- chameleon: 101 ms +- 5 ms -> 97.8 ms +- 4.0 ms: 1.03x faster
- regex_v8: 153 ms +- 7 ms -> 149 ms +- 6 ms: 1.03x faster
- 2to3: 2.59 sec +- 0.05 sec -> 2.52 sec +- 0.05 sec: 1.03x faster
- crypto_pyaes: 797 ms +- 20 ms -> 776 ms +- 18 ms: 1.03x faster
- genshi_xml: 653 ms +- 23 ms -> 637 ms +- 27 ms: 1.03x faster
- pickle_pure_python: 4.54 ms +- 0.19 ms -> 4.42 ms +- 0.20 ms: 1.03x faster
- regex_effbot: 18.4 ms +- 0.7 ms -> 18.1 ms +- 0.6 ms: 1.02x faster
- unpickle: 107 us +- 4 us -> 105 us +- 5 us: 1.02x faster
- deltablue: 61.2 ms +- 3.4 ms -> 60.0 ms +- 3.5 ms: 1.02x faster
- raytrace: 4.34 sec +- 0.14 sec -> 4.26 sec +- 0.10 sec: 1.02x faster
- telco: 63.9 ms +- 3.1 ms -> 62.9 ms +- 3.2 ms: 1.02x faster
- pidigits: 965 ms +- 14 ms -> 955 ms +- 20 ms: 1.01x faster

Benchmark hidden because not significant (28): call_method_unknown, 
call_simple, dulwich_log, float, genshi_text, hexiom, html5lib, json_dumps, 
json_loads, logging_format, logging_silent, logging_simple, pathlib, pickle, 
pickle_list, scimark_lu, scimark_monte_carlo, scimark_sor, 
scimark_sparse_mat_mult, sqlalchemy_declarative, sqlalchemy_imperative, 
sympy_expand, sympy_integrate, sympy_str, sympy_sum, tornado_http, 
unpickle_list, xml_etree_process

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