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view tests/sslcerts/priv.pem @ 45095:8e04607023e5
procutil: ensure that procutil.std{out,err}.write() writes all bytes
Python 3 offers different kind of streams and it’s not guaranteed for all of
them that calling write() writes all bytes.
When Python is started in unbuffered mode, sys.std{out,err}.buffer are
instances of io.FileIO, whose write() can write less bytes for
platform-specific reasons (e.g. Linux has a 0x7ffff000 bytes maximum and could
write less if interrupted by a signal; when writing to Windows consoles, it’s
limited to 32767 bytes to avoid the "not enough space" error). This can lead to
silent loss of data, both when using sys.std{out,err}.buffer (which may in fact
not be a buffered stream) and when using the text streams sys.std{out,err}
(I’ve created a CPython bug report for that:
https://bugs.python.org/issue41221).
Python may fix the problem at some point. For now, we implement our own wrapper
for procutil.std{out,err} that calls the raw stream’s write() method until all
bytes have been written. We don’t use sys.std{out,err} for larger writes, so I
think it’s not worth the effort to patch them.
author | Manuel Jacob <me@manueljacob.de> |
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date | Fri, 10 Jul 2020 12:27:58 +0200 |
parents | 9d02bed8477b |
children |
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-----BEGIN RSA PRIVATE KEY----- MIIEpQIBAAKCAQEA2Ugt7jQrD+u+JtIfXZpVepzOAufcX4CMoHV95qZXZml2juGp x3T7wjQPB/IPoOpRG9CoCaekKK+bIqQX1qNuiUa2CsqchNQcua2js5DTttmRYC+f wHaQc0UY1QKe/0r8NFX1XoeIWfuL+0UAERoI1zmhu9px5326C7PoyBPIubT0ejLV LfciFgyHDmqvYGu6cUBpNFrAi8csPNGcyie1Axh0wZ/9jvHdN+iGmaV9GZObGv0G ZpbWlJm8fG+mH1qMFYA6mnknJbEBBTnV0IWdGJalGnz+5GfCvhxzYcEWmLDeO/7F NrWMVT9L8Ky65cygCeJ4lEW1XB1w/6rQYjaSnwIDAQABAoIBAAwDAH8FpUfJCYcN 4KwFByqzFnR0qusgqSWJuT8R/QztUZ+OfBtJrU1MIXSX/iMwMPGvtEpsWRfitVnR 5nt4J3kxTokEMGjrbPca0Uzw+bNHDdFacKNsKookzL2h2nZUh+LAycLDDVekH1Xx t5I6dTiot/cxmVBp0+ontPuylEsnyrQio6eljBfPzxBdRp2lkiymKf3jvbGXRnZ4 jSFTRuUlbnVbZ3CKnFPU+d5tvn2nEwU/DVbGpJNZAPl99Q0XUcNF3AtGlwGMvi0X azcIIOn+swLjn+U2S6i3K234ItYS5I+c9Xi+9DO4fuVko+CQ8PWXP2HdAze7DENc zADmd0kCgYEA7nN+qUFAmMOcRE8nSNLt7mcwq6fYQ1MVGikCIXn/PI/wfEqY0lws ZhwykBXog0S7PzYkR3LcDOqN0wDcdJ3K4c/a6Z6IqbXMgxaosYfHCCMtdhy0g0F2 ek0SaY3WQhpFRIG19hvB+ZJSc7JQt+TaXeb8HM1452kmOLpfQGiqqTsCgYEA6UXZ bI7c2jO1X+rWF2tZfZdtdeVrIVcm8BunF7ETC4iK/iH2phRQQAh4TFZm6wkX57Tv LKDGxmohFlEK7FOtSCeSSVfkvZYRBuHOYcwBgBr1XzXXjHcMoyr0+LflZysht151 9F0hJwdGQZrivZnv9clJ632RlgE4XlPGskQhRe0CgYEAxVGdhsIQilmUfpJhl8m0 SovpoqKKO2wNElDNCpbBt4QFJVU1kR3lP7olvUXj2nyN1okfDGDn52hRZEJaK8ZH lQVDyf7+aDGgwvmFLyOEeB9kB1FJrzQErsAIdICCxMCogUA1KytdIQEMaeEtGn+u k/YIumztl9FTZ64SFGKIlvECgYEA25Kb7csrp1g0yWxKyRCK0+TNa8Pe6ysVw7zD s1FCFAEak8t0Vy+Xui4+zdwmU+XjUn7FAsTzVaBgNJlkJr88xEY7ND4/WRUAQfIa SYO1hdfaTxxnIBiPFKdCnzq5/DplKi0H6lQe+JWoU+hutPlJHZmysq8ncoMDhAZn aTUn/KECgYEAvxGaWt4Fn2tRrHeaG0qT+nMBxd8cTiFInOcYDeS/FlQo3DTDK2Ai qLBa4DinnGN2hSKwnN3R5R2VRxk4I6+ljG0yuNBhJBcAgAFpnHfkuY1maQJB+1xY A07WcM4J3yuPfjcDkipNFQa4Y8oJCaS2yiOPvlUfNQrCLAV+YqHZiiQ= -----END RSA PRIVATE KEY-----