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Benjamin Peterson 42aa93b8ff
closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575) 
Python now supports checking bytecode cache up-to-dateness with a hash of the
source contents rather than volatile source metadata. See the PEP for details.

While a fairly straightforward idea, quite a lot of code had to be modified due
to the pervasiveness of pyc implementation details in the codebase. Changes in
this commit include:

- The core changes to importlib to understand how to read, validate, and
  regenerate hash-based pycs.

- Support for generating hash-based pycs in py_compile and compileall.

- Modifications to our siphash implementation to support passing a custom
  key. We then expose it to importlib through _imp.

- Updates to all places in the interpreter, standard library, and tests that
  manually generate or parse pyc files to grok the new format.

- Support in the interpreter command line code for long options like
  --check-hash-based-pycs.

- Tests and documentation for all of the above.
 		2017-12-09 10:26:52 -08:00
..
internal closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575) 2017-12-09 10:26:52 -08:00
Python-ast.h bpo-31464: asdl_c.py no longer emits trailing spaces in Python-ast.h. (#3568) 2017-09-14 20:28:22 -07:00
Python.h bpo-31370: Remove support for threads-less builds (#3385) 2017-09-07 18:56:24 +02:00
abstract.h Spelling fixes (#2902) 2017-08-03 09:00:59 +03:00
accu.h Issue #14387 : undefine 'small' so that it doesn't clash with Windows headers. 2012-03-22 23:10:37 +00:00
asdl.h Add ast.Constant 2016-01-26 00:40:57 +01:00
ast.h Close #11619: The parser and the import machinery do not encode Unicode 2013-08-26 22:28:21 +02:00
bitset.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
bltinmodule.h
…
boolobject.h
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bytearrayobject.h fix comment 2013-10-05 16:28:04 -04:00
bytes_methods.h Issue #26765: Moved common code and docstrings for bytes and bytearray methods 2016-05-04 22:23:26 +03:00
bytesobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
cellobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
ceval.h bpo-31857: Make the behavior of USE_STACKCHECK deterministic (#4098) 2017-10-25 23:03:01 -07:00
classobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
code.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
codecs.h Issue #29058: All stable API extensions added after Python 3.2 are now 2016-12-27 14:57:39 +02:00
compile.h bpo-22257: Small changes for PEP 432. (#1728) 2017-05-22 21:36:03 -07:00
complexobject.h Issue #21803: remove macro indirections in complexobject.h 2014-07-07 18:49:30 -04:00
datetime.h Closes issue #24773: Implement PEP 495 (Local Time Disambiguation). 2016-07-22 18:47:04 -04:00
descrobject.h Issue #29263: LOAD_METHOD support for C methods 2017-02-03 07:43:03 +09:00
dictobject.h bpo-15695: Add PyAPI_FUNC() to _PyDict_SizeOf() declaration. (#639) 2017-03-12 14:15:54 +02:00
dtoa.h Issue #14521: Make result of float('nan') and float('-nan') more consistent across platforms. Further, don't rely on Py_HUGE_VAL for float('inf'). 2012-04-29 15:31:56 +01:00
dynamic_annotations.h fix instances of consecutive articles (closes #23221) 2015-01-13 09:17:24 -05:00
enumobject.h
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errcode.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
eval.h bpo-29524: Add Objects/call.c file (#12) 2017-02-12 19:27:05 +01:00
fileobject.h bpo-30946: Remove obsolete fallback code in readline module (#2738) 2017-07-18 17:05:03 +02:00
fileutils.h bpo-29619: Convert st_ino using unsigned integer (#557) 2017-03-09 17:34:28 +01:00
floatobject.h Issue #11734: Add support for IEEE 754 half-precision floats to the struct module. Original patch by Eli Stevens. 2016-09-03 17:21:29 +01:00
frameobject.h Move exc state to generator. Fixes bpo-25612 (#1773) 2017-10-22 23:41:51 +02:00
funcobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
genobject.h Move exc state to generator. Fixes bpo-25612 (#1773) 2017-10-22 23:41:51 +02:00
graminit.h bpo-30406: Make async and await proper keywords (#1669) 2017-10-05 23:24:46 -04:00
grammar.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
import.h bpo-32030: Split Py_Main() into subfunctions (#4399) 2017-11-15 15:48:08 -08:00
intrcheck.h bpo-16500: Allow registering at-fork handlers (#1715) 2017-05-27 17:50:54 +02:00
iterobject.h Rename _PyIter_GetBuiltin to _PyObject_GetBuiltin, and do not include it in the stable ABI. 2012-04-05 00:04:20 +02:00
listobject.h bpo-29867: Add asserts in PyTuple_GET_SIZE, PyList_GET_SIZE and PySet_GET_SIZE. (#751) 2017-04-22 01:48:11 +02:00
longintrepr.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
longobject.h bpo-29878: Add global instances of int for 0 and 1. (#852) 2017-03-30 09:09:41 +03:00
marshal.h Issue #1772673: The type of `char*` arguments now changed to `const char*`. 2013-10-19 21:03:34 +03:00
memoryobject.h Issue #29058: All stable API extensions added after Python 3.2 are now 2016-12-27 14:57:39 +02:00
metagrammar.h
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methodobject.h bpo-31890: define METH_STACKLESS (#4159) 2017-11-02 15:54:57 -07:00
modsupport.h bpo-28411: Isolate PyInterpreterState.modules (#3575) 2017-09-14 12:18:12 -06:00
moduleobject.h Issue #29058: All stable API extensions added after Python 3.2 are now 2016-12-27 15:04:59 +02:00
namespaceobject.h Issue #26900: Excluded underscored names and other private API from limited API. 2016-09-11 11:03:14 +03:00
node.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
object.h bpo-32030: Add more options to _PyCoreConfig (#4485) 2017-11-20 18:12:22 -08:00
objimpl.h bpo-32030: Add pymain_get_global_config() (#4735) 2017-12-06 17:26:10 +01:00
odictobject.h Issue #29058: All stable API extensions added after Python 3.2 are now 2016-12-27 15:04:59 +02:00
opcode.h Issue #26110: Add LOAD_METHOD/CALL_METHOD opcodes. 2016-12-13 19:03:51 -05:00
osdefs.h Issue #22591: Drop support of MS-DOS 2014-10-10 11:55:41 +02:00
osmodule.h Issue #29058: All stable API extensions added after Python 3.2 are now 2016-12-27 14:57:39 +02:00
parsetok.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
patchlevel.h Bump to 3.7.0a3+ 2017-12-05 21:06:12 -05:00
pgen.h
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pgenheaders.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
py_curses.h bpo-25720: Fix the method for checking pad state of curses WINDOW (#4164) 2017-11-01 14:05:26 +02:00
pyarena.h
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pyatomic.h bpo-31462: Remove trailing whitespaces. (#3564) 2017-09-14 09:38:36 +03:00
pycapsule.h
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pyctype.h Try to fix linking failures under Windows 2011-10-04 14:43:47 +02:00
pydebug.h bpo-32125: Remove Py_UseClassExceptionsFlag flag (#4544) 2017-11-24 22:06:38 +01:00
pydtrace.d bpo-31574: importlib dtrace (#3749) 2017-09-29 15:53:19 -07:00
pydtrace.h bpo-31574: importlib dtrace (#3749) 2017-09-29 15:53:19 -07:00
pyerrors.h bpo-30697: Fix PyErr_NormalizeException() when no memory (GH-2327) 2017-10-26 15:09:06 +02:00
pyexpat.h Issue #13612: handle unknown encodings without a buffer overflow. 2013-05-25 05:25:48 -07:00
pyfpe.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
pygetopt.h closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575) 2017-12-09 10:26:52 -08:00
pyhash.h Correct the location of a function mentioned in a comment (GH-4327) 2017-11-09 19:55:34 +03:00
pylifecycle.h bpo-32030: Add _PyImport_Fini2() (#4737) 2017-12-06 18:12:59 +01:00
pymacconfig.h Minor spelling fixes 2016-08-20 08:03:06 +00:00
pymacro.h bpo-31338 (#3374) 2017-09-14 18:13:16 -07:00
pymath.h bpo-31373: fix undefined floating-point demotions (#3396) 2017-09-07 11:13:59 -07:00
pymem.h bpo-32030: Add pymain_get_global_config() (#4735) 2017-12-06 17:26:10 +01:00
pyport.h bpo-29040: Support building Android with Unified Headers (GH-4492) 2017-11-23 11:44:38 +01:00
pystate.h bpo-32030: Add pymain_get_global_config() (#4735) 2017-12-06 17:26:10 +01:00
pystrcmp.h
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pystrhex.h Issue #26900: Excluded underscored names and other private API from limited API. 2016-09-11 11:03:14 +03:00
pystrtod.h Issue #26331: Implement the parsing part of PEP 515. 2016-09-09 14:57:09 -07:00
pythonrun.h bpo-22257: Small changes for PEP 432. (#1728) 2017-05-22 21:36:03 -07:00
pythread.h bpo-30768: Recompute timeout on interrupted lock (GH-4103) 2017-10-24 16:53:32 -07:00
pytime.h bpo-31784: Implement PEP 564: add time.time_ns() (#3989) 2017-11-02 07:28:27 -07:00
rangeobject.h
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setobject.h bpo-29867: Add asserts in PyTuple_GET_SIZE, PyList_GET_SIZE and PySet_GET_SIZE. (#751) 2017-04-22 01:48:11 +02:00
sliceobject.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
structmember.h Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef, 2016-11-22 07:58:08 +02:00
structseq.h Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef, 2016-11-22 07:58:08 +02:00
symtable.h Issue #28003: Implement PEP 525 -- Asynchronous Generators. 2016-09-08 22:01:51 -07:00
sysmodule.h bpo-32030: Split Py_Main() into subfunctions (#4399) 2017-11-15 15:48:08 -08:00
token.h bpo-30406: Make async and await proper keywords (#1669) 2017-10-05 23:24:46 -04:00
traceback.h Issue #26900: Excluded underscored names and other private API from limited API. 2016-09-11 11:03:14 +03:00
tupleobject.h bpo-29867: Add asserts in PyTuple_GET_SIZE, PyList_GET_SIZE and PySet_GET_SIZE. (#751) 2017-04-22 01:48:11 +02:00
typeslots.h Issue 24365: Conditionalize PEP 489 additions to the stable ABI 2015-06-02 19:06:47 -04:00
ucnhash.h Removed unintentional trailing spaces in non-external and non-generated C files. 2015-03-18 21:53:15 +02:00
unicodeobject.h bpo-31979: Simplify transforming decimals to ASCII (#4336) 2017-11-13 21:23:48 +02:00
warnings.h bpo-32030: Add _PyMainInterpreterConfig.pythonhome (#4513) 2017-11-23 10:43:14 +01:00
weakrefobject.h Closes #13867: remove untrue comment about PyWeakref_Check(). 2013-10-08 19:50:26 +02:00