bpo-32030: Enhance Py_Main() #4412
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Parse more env vars in Py_Main(): * Add more options to _PyCoreConfig: * faulthandler * tracemalloc * importtime * Move code to parse environment variables from _Py_InitializeCore() to Py_Main(). This change fixes a regression from Python 3.6: PYTHONUNBUFFERED is now read before calling pymain_init_stdio(). * _PyFaulthandler_Init() and _PyTraceMalloc_Init() now take an argument to decide if the module has to be enabled at startup. * tracemalloc_start() is now responsible to check the maximum number of frames. Other changes: * Cleanup Py_Main(): * Rename some pymain_xxx() subfunctions * Add pymain_run_python() subfunction * Cleanup Py_NewInterpreter() * _PyInterpreterState_Enable() now reports failure * init_hash_secret() now considers pyurandom() failure as an "user error": don't fail with abort(). * pymain_optlist_append() and pymain_strdup() now sets err on memory allocation failure.
vstinner
requested review from
ncoghlan,
ericsnowcurrently,
zooba and
a team
Fix compilation on Windows.
jimmylai
added a commit
to jimmylai/cpython
that referenced
this pull request
Nov 17, 2017
* 'master' of https://github.com/python/cpython: (550 commits) bpo-31867: Remove duplicates in default mimetypes. (python#4388) tokenizer: Remove unused tabs options (python#4422) bpo-31691: Specify where to find build instructions for the Windows installer (python#4426) Fix typo in atexit documentation. (pythonGH-4419) bpo-31702: Allow to specify rounds for SHA-2 hashing in crypt.mksalt(). (python#4110) bpo-32043: New "developer mode": "-X dev" option (python#4413) bpo-30349: Raise FutureWarning for nested sets and set operations (python#1553) bpo-32037: Use the INT opcode for 32-bit integers in protocol 0 pickles. (python#4407) bpo-30143: 2to3 now generates a code that uses abstract collection classes (python#1262) bpo-32030: Enhance Py_Main() (python#4412) bpo-32030: Split Py_Main() into subfunctions (python#4399) bpo-32034: Make IncompleteReadError & LimitOverrunError pickleable python#4409 bpo-32025: Add time.thread_time() (python#4410) bpo-32018: Fix inspect.signature repr to follow PEP 8 (python#4408) bpo-30399: Get rid of trailing comma in the repr of BaseException. (python#1650) bpo-30950: Convert round() to Argument Clinic. (python#2740) bpo-32011: Revert "Issue python#15480: Remove the deprecated and unused TYPE_INT64 code from marshal." (python#4381) bpo-32023: Disallow genexprs without parenthesis in class definitions. (python#4400) bpo-31949: Fixed several issues in printing tracebacks (PyTraceBack_Print()). (python#4289) bpo-32032: Test both implementations of module-level pickle API. (python#4401) ...
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Parse more env vars in Py_Main():
Add more options to _PyCoreConfig:
Move code to parse environment variables from _Py_InitializeCore()
to Py_Main(). This change fixes a regression from Python 3.6:
PYTHONUNBUFFERED is now read before calling pymain_init_stdio().
_PyFaulthandler_Init() and _PyTraceMalloc_Init() now take an
argument to decide if the module has to be enabled at startup.
tracemalloc_start() is now responsible to check the maximum number
of frames.
Other changes:
Cleanup Py_Main():
Cleanup Py_NewInterpreter()
_PyInterpreterState_Enable() now reports failure
init_hash_secret() now considers pyurandom() failure as an "user
error": don't fail with abort().
pymain_optlist_append() and pymain_strdup() now sets err on memory
allocation failure.
https://bugs.python.org/issue32030