Commit Graph

59 Commits

Author SHA1 Message Date
Serhiy Storchaka 2641ee5040
bpo-32911: Revert bpo-29463. (GH-7121)
Remove the docstring attribute of AST types and restore docstring
expression as a first stmt in their body.

Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
2018-05-29 10:49:10 +03:00
Brett Cannon a09bb87c1e
[3.7] bpo-33169: Remove values of `None` from sys.path_importer_cache when invalidating caches (GH-6402) (GH-6403)
An entry of None in sys.path_importer_cache represents a negative/missing finder for a path, so clearing it out makes sense.
(cherry picked from commit 9e2be60634)
2018-04-06 17:02:18 -07:00
Miss Islington (bot) 8d9d4b57ae
bpo-32838: Fix Python versions in the table of magic numbers. (GH-5658)
(cherry picked from commit 4af8fd5614)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
2018-02-23 11:01:54 -08:00
Barry Warsaw a23d30f64b
bpo-32303 - Consistency fixes for namespace loaders (GH-5481) (#5503)
* Make sure ``__spec__.loader`` matches ``__loader__`` for namespace packages.
* Make sure ``__spec__.origin` matches ``__file__`` for namespace packages.

https://bugs.python.org/issue32303
https://bugs.python.org/issue32305
(cherry picked from commit bbbcf8693b)

Co-authored-by: Barry Warsaw <barry@python.org>
2018-02-02 19:49:25 -05:00
Mark Shannon 332cd5ee4f bpo-32550. Remove the STORE_ANNOTATION bytecode. (GH-5181) 2018-01-29 16:41:04 -08:00
Barry Warsaw 5ec0feeeec
Implement the get_resource_reader() API for file system imports (#5168) 2018-01-15 15:07:11 -08:00
Serhiy Storchaka d4864c61e3
bpo-24340: Fix estimation of the code stack size. (#5076) 2018-01-09 21:54:52 +02:00
Serhiy Storchaka 15a8728415
bpo-29469: Optimize literal lists and sets iterating on the AST level. (#4866) 2017-12-14 20:24:31 +02:00
INADA Naoki 7ea143ae79
bpo-29469: Move constant folding to AST optimizer (GH-2858) 2017-12-14 16:47:20 +09:00
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
Yury Selivanov 02e82a0596 bpo-31709: Update importlib magic (#3906) 2017-10-06 10:18:10 -04:00
Antoine Pitrou 88c60c9668 Trivial cleanups following bpo-31370 (#3649)
* Trivial cleanups following bpo-31370

* Also cleanup the "importlib._bootstrap_external" module
2017-09-18 23:50:44 +02:00
Serhiy Storchaka 36ff451eba bpo-30501: Make the compiler producing optimized code for condition expressions. (#1851) 2017-06-11 14:50:22 +03:00
Serhiy Storchaka 55fe1ae970 bpo-30022: Get rid of using EnvironmentError and IOError (except test… (#1051) 2017-04-16 10:46:38 +03:00
INADA Naoki cb41b2766d bpo-29463: Add docstring field to some AST nodes. (#46)
* bpo-29463: Add docstring field to some AST nodes.

ClassDef, ModuleDef, FunctionDef, and AsyncFunctionDef has docstring
field for now.  It was first statement of there body.

* fix document.  thanks travis!

* doc fixes
2017-02-22 16:31:59 +01:00
Yury Selivanov f2392133eb Issue #26110: Add LOAD_METHOD/CALL_METHOD opcodes.
Special thanks to INADA Naoki for pushing the patch through
the last mile, Serhiy Storchaka for reviewing the code, and to
Victor Stinner for suggesting the idea (originally implemented
in the PyPy project).
2016-12-13 19:03:51 -05:00
Steve Dower 10beb3cfef Issue #28896: Disable WindowsRegistryFinder by default. 2016-12-12 11:17:59 -08:00
Nick Coghlan 19d246745d Issue #23722: improve __classcell__ compatibility
Handling zero-argument super() in __init_subclass__ and
__set_name__ involved moving __class__ initialisation to
type.__new__. This requires cooperation from custom
metaclasses to ensure that the new __classcell__ entry
is passed along appropriately.

The initial implementation of that change resulted in abruptly
broken zero-argument super() support in metaclasses that didn't
adhere to the new requirements (such as Django's metaclass for
Model definitions).

The updated approach adopted here instead emits a deprecation
warning for those cases, and makes them work the same way they
did in Python 3.5.

This patch also improves the related class machinery documentation
to cover these details and to include more reader-friendly
cross-references and index entries.
2016-12-05 16:47:55 +10:00
Serhiy Storchaka 7db3c48833 Issue #28517: Fixed of-by-one error in the peephole optimizer that caused
keeping unreachable code.
2016-10-25 09:30:43 +03:00
Serhiy Storchaka 7344285c19 Issue #28257: Improved error message when pass a non-iterable as
a var-positional argument.  Added opcode BUILD_TUPLE_UNPACK_WITH_CALL.
2016-10-02 10:33:46 +03:00
Serhiy Storchaka 3738c2d8ae Issue #27942: String constants now interned recursively in tuples and frozensets. 2016-09-30 10:23:01 +03:00
Serhiy Storchaka 00a0fc1144 Issue #27942: String constants now interned recursively in tuples and frozensets. 2016-09-30 10:07:26 +03:00
Serhiy Storchaka b72810583e Issue #27213: Fixed different issues with reworked CALL_FUNCTION* opcodes.
* BUILD_TUPLE_UNPACK and BUILD_MAP_UNPACK_WITH_CALL no longer generated with
  single tuple or dict.
* Restored more informative error messages for incorrect var-positional and
  var-keyword arguments.
* Removed code duplications in _PyEval_EvalCodeWithName().
* Removed redundant runtime checks and parameters in _PyStack_AsDict().
* Added a workaround and enabled previously disabled test in test_traceback.
* Removed dead code from the dis module.
2016-09-12 00:52:40 +03:00
Nick Coghlan 944368e1cc Issue #23722: Initialize __class__ from type.__new__()
The __class__ cell used by zero-argument super() is now initialized
from type.__new__ rather than __build_class__, so class methods
relying on that will now work correctly when called from metaclass
methods during class creation.

Patch by Martin Teichmann.
2016-09-11 14:45:49 +10:00
Eric Snow 50fd89806f Issue #24320: Drop an old setuptools-induced hack. 2016-09-09 13:30:54 -07:00
Victor Stinner f9b760f48a Rework CALL_FUNCTION* opcodes
Issue #27213: Rework CALL_FUNCTION* opcodes to produce shorter and more
efficient bytecode:

* CALL_FUNCTION now only accepts position arguments
* CALL_FUNCTION_KW accepts position arguments and keyword arguments, but keys
  of keyword arguments are packed into a constant tuple.
* CALL_FUNCTION_EX is the most generic, it expects a tuple and a dict for
  positional and keyword arguments.

CALL_FUNCTION_VAR and CALL_FUNCTION_VAR_KW opcodes have been removed.

2 tests of test_traceback are currently broken: skip test, the issue #28050 was
created to track the issue.

Patch by Demur Rumed, design by Serhiy Storchaka, reviewed by Serhiy Storchaka
and Victor Stinner.
2016-09-09 10:17:08 -07:00
Yury Selivanov f8cb8a16a3 Issue #27985: Implement PEP 526 -- Syntax for Variable Annotations.
Patch by Ivan Levkivskyi.
2016-09-08 20:50:03 -07:00
Brett Cannon 035a100382 Issue #26667: Add path-like object support to importlib.util. 2016-09-07 18:39:18 -07:00
Serhiy Storchaka ea525a2d1a Issue #27078: Added BUILD_STRING opcode. Optimized f-strings evaluation. 2016-09-06 22:07:53 +03:00
Brett Cannon b2f8a801c2 Check in update for importlib_external.h 2016-07-16 10:46:10 -07:00
Brett Cannon 7ca63cb7cc Fix regressions introduced by fixes for issue #27083. 2016-07-16 10:44:13 -07:00
Brett Cannon b3e73b30ff Merge for #27083 2016-07-15 11:55:21 -07:00
Brett Cannon 2247e5c48c Update frozen importlib code 2016-07-08 16:44:54 -07:00
Serhiy Storchaka 64204de04c Issue #27095: Simplified MAKE_FUNCTION and removed MAKE_CLOSURE opcodes.
Patch by Demur Rumed.
2016-06-12 17:36:24 +03:00
Serhiy Storchaka 5697c4b641 Comment fixes extracted from patch by Demur Rumed. 2016-06-12 17:02:10 +03:00
Serhiy Storchaka cf2ad55511 Issue #27286: Fixed compiling BUILD_MAP_UNPACK_WITH_CALL opcode. Calling
function with generalized unpacking (PEP 448) and conflicting keyword names
could cause undefined behavior.
2016-06-12 09:35:13 +03:00
Serhiy Storchaka 3c317e76a2 Issue #27286: Fixed compiling BUILD_MAP_UNPACK_WITH_CALL opcode. Calling
function with generalized unpacking (PEP 448) and conflicting keyword names
could cause undefined behavior.
2016-06-12 09:22:01 +03:00
Serhiy Storchaka 6a7506a77f Issue #27140: Added BUILD_CONST_KEY_MAP opcode. 2016-06-12 00:39:41 +03:00
Serhiy Storchaka 76c4161b92 Issue #27138: Regenerate Python/importlib_external.h. 2016-05-28 14:48:19 +03:00
Serhiy Storchaka c7385f31d3 Issue #27138: Regenerate Python/importlib_external.h. 2016-05-28 14:46:13 +03:00
Serhiy Storchaka b0f80b0312 Issue #26647: Python interpreter now uses 16-bit wordcode instead of bytecode.
Patch by Demur Rumed.
2016-05-24 09:15:14 +03:00
Benjamin Peterson ed64d6b4a5 regen importlib bytecode 2016-05-16 22:54:05 -07:00
Serhiy Storchaka 4b23494ded Issue #27039: Fixed bytearray.remove() for values greater than 127.
Based on patch by Joe Jevnik.
2016-05-16 22:24:03 +03:00
Victor Stinner 82f04e2dfd regrtest: Fix module.__path__
Issue #26538: libregrtest: Fix setup_tests() to keep module.__path__ type
(_NamespacePath), don't convert to a list.

Add _NamespacePath.__setitem__() method to importlib._bootstrap_external.
2016-03-15 23:08:44 +01:00
Serhiy Storchaka 885bdc4946 Issue #25985: sys.version_info is now used instead of sys.version
to format short Python version.
2016-02-11 13:10:36 +02:00
Victor Stinner f3914eb16d co_lnotab supports negative line number delta
Issue #26107: The format of the co_lnotab attribute of code objects changes to
support negative line number delta.

Changes:

* assemble_lnotab(): if line number delta is less than -128 or greater than
  127, emit multiple (offset_delta, lineno_delta) in co_lnotab
* update functions decoding co_lnotab to use signed 8-bit integers

  - dis.findlinestarts()
  - PyCode_Addr2Line()
  - _PyCode_CheckLineNumber()
  - frame_setlineno()

* update lnotab_notes.txt
* increase importlib MAGIC_NUMBER to 3361
* document the change in What's New in Python 3.6
* cleanup also PyCode_Optimize() to use better variable names
2016-01-20 12:16:21 +01:00
Brett Cannon eae3079041 Issue #25802: Deprecate load_module() on importlib.machinery.SourceFileLoader and SourcelessFileLoader.
They were the only remaining implementations of load_module() not
documented as deprecated.
2015-12-28 17:55:27 -08:00
Eric V. Smith a78c7954d5 Issue 25483: Add an opcode to make f-string formatting more robust. 2015-11-03 12:45:05 -05:00
Victor Stinner 13f7fc5771 Update importlib_external.h 2015-10-01 22:06:54 +02:00
Brett Cannon 1dae0c68dd Issue #25186: Remove duplicated function from importlib._bootstrap_external 2015-09-25 13:05:13 -07:00