delta/cpython-git.git/Python/symtable.c, branch v3.8.9

Fix SystemError when nested function has annotation on positional-only argument (GH-17826)

2020-01-05T02:14:58+00:00

(cherry picked from commit ec007cb43faf5f33d06efbc28152c7fdcb2edb9c)

Co-authored-by: Anthony Sottile

bpo-38469: Handle named expression scope with global/nonlocal keywords (GH-16755) (#16760)

2019-10-14T11:40:15+00:00

The symbol table handing of PEP572's assignment expressions is not resolving correctly the scope of some variables in presence of global/nonlocal keywords in conjunction with comprehensions.
(cherry picked from commit fd5c414880b2e05720b9cf14ab0b0d7ae2b7d925)

Co-authored-by: Pablo Galindo

bpo-37947: Avoid double-decrement in symtable recursion counting (GH-15593)

2019-08-29T13:46:20+00:00

With `symtable_visit_expr` now correctly adjusting the recursion depth for named
expressions, `symtable_handle_namedexpr` should be leaving it alone.

Also adds a new check to `PySymtable_BuildObject` that raises `SystemError`
if a successful first symbol analysis pass fails to keep the stack depth
accounting clean.
(cherry picked from commit 06145230c833c3db5dab8858e11bcd550a37c57f)

Co-authored-by: Nick Coghlan

bpo-37954: Fix reference leak in the symtable (GH-15514)

2019-08-26T15:49:44+00:00

(cherry picked from commit 4901dc46da5ecb131f8d902a0fbd704934f209e1)

Co-authored-by: Pablo Galindo

[3.8] bpo-37947: Adjust correctly the recursion level in symtable for named expressions (GH-15499) (GH-15515)

2019-08-26T15:27:31+00:00

(cherry picked from commit 0e4ea16336685cf3fa353d8c54af59b45b2d5c33)

Co-authored-by: Pablo Galindo

[3.8] bpo-37757: Disallow PEP 572 cases that expose implementation details (GH-15491)

2019-08-25T14:41:47+00:00

- drop TargetScopeError in favour of raising SyntaxError directly
  as per the updated PEP 572
- comprehension iteration variables are explicitly local, but
  named expression targets in comprehensions are nonlocal or
  global. Raise SyntaxError as specified in PEP 572
- named expression targets in the outermost iterable of a
  comprehension have an ambiguous target scope. Avoid resolving
  that question now by raising SyntaxError. PEP 572
  originally required this only for cases where the bound name
  conflicts with the iteration variable in the comprehension,
  but CPython can't easily restrict the exception to that case
  (as it doesn't know the target variable names when visiting
  the outermost iterator expression)

(cherry picked from commit 5dbe0f59b7a4f39c7c606b48056bc29e406ebf78)

bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async (GH-13464)

2019-05-31T02:13:39+00:00

Automatically replace
tp_print -> tp_vectorcall_offset
tp_compare -> tp_as_async
tp_reserved -> tp_as_async

bpo-36540: PEP 570 -- Implementation (GH-12701)

2019-04-29T12:36:57+00:00

This commit contains the implementation of PEP570: Python positional-only parameters.

* Update Grammar/Grammar with new typedarglist and varargslist

* Regenerate grammar files

* Update and regenerate AST related files

* Update code object

* Update marshal.c

* Update compiler and symtable

* Regenerate importlib files

* Update callable objects

* Implement positional-only args logic in ceval.c

* Regenerate frozen data

* Update standard library to account for positional-only args

* Add test file for positional-only args

* Update other test files to account for positional-only args

* Add News entry

* Update inspect module and related tests

bpo-36187: Remove NamedStore. (GH-12167)

2019-03-05T18:42:06+00:00

NamedStore has been replaced with Store. The difference between
NamedStore and Store is handled when precess the NamedExpr node
one level upper.

bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112)

2019-02-25T15:59:46+00:00