- support Python 3.13

Author: dataflake

.github/workflows/tests.yml

@@ -29,7 +29,7 @@ jobs:
         - ["3.10",  "py310"]
         - ["3.11",  "py311"]
         - ["3.12",  "py312"]
-        - ["3.13.0-alpha - 3.13.0",  "py313"]
+        - ["3.13",  "py313"]
         - ["3.9",   "docs"]
         - ["3.9",   "coverage"]
         - ["3.9",   "py39-datetime"]
@@ -48,6 +48,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.config[0] }}
+        allow-prereleases: true
     - name: Pip cache
       uses: actions/cache@v3
       with:

.meta.toml

@@ -47,7 +47,7 @@ testenv-additional = [
     "    coverage combine",
     "    coverage html",
     "    coverage report -m --fail-under=100",
-    "depends = py37,py38,py39,py39-datetime,py310,py311,py312,coverage",
+    "depends = py37,py38,py39,py39-datetime,py310,py311,py312,py313,coverage",
     ]
 coverage-basepython = "python3.8"
 coverage-command = "pytest --cov=src --cov=tests --cov-report= {posargs}"

CHANGES.rst

@@ -4,8 +4,7 @@ Changes
 7.4 (unreleased)
 ----------------
 
-- Allow to use the package with Python 3.13 -- Caution: No security
-  audit has been done so far.
+- Allow to use the package with Python 3.13.
 
 
 7.3 (2024-09-30)

docs/conf.py

@@ -37,7 +37,7 @@
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = {'.rst': 'restructuredtext'}
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'
@@ -113,6 +113,7 @@
     'python310': ('https://docs.python.org/3.10', None),
     'python311': ('https://docs.python.org/3.11', None),
     'python312': ('https://docs.python.org/3.12', None),
+    'python313': ('https://docs.python.org/3.13', None),
 }
 
 # Options for sphinx.ext.todo:

docs/contributing/ast/python3_13.ast

@@ -0,0 +1,194 @@
+-- Python 3.13 AST
+-- ASDL's 4 builtin types are:
+-- identifier, int, string, constant
+
+module Python version "3.13"
+{
+    mod = Module(stmt* body, type_ignore* type_ignores)
+        | Interactive(stmt* body)
+        | Expression(expr body)
+        | FunctionType(expr* argtypes, expr returns)
+
+    stmt = FunctionDef(identifier name,
+                       arguments args,
+                       stmt* body,
+                       expr* decorator_list,
+                       expr? returns,
+                       string? type_comment,
+                       type_param* type_params)
+         | AsyncFunctionDef(identifier name,
+                            arguments args,
+                            stmt* body,
+                            expr* decorator_list,
+                            expr? returns,
+                            string? type_comment,
+                            type_param* type_params)
+
+         | ClassDef(identifier name,
+                    expr* bases,
+                    keyword* keywords,
+                    stmt* body,
+                    expr* decorator_list,
+                    type_param* type_params)
+         | Return(expr? value)
+
+         | Delete(expr* targets)
+         | Assign(expr* targets, expr value, string? type_comment)
+         | TypeAlias(expr name, type_param* type_params, expr value)
+         | AugAssign(expr target, operator op, expr value)
+         -- 'simple' indicates that we annotate simple name without parens
+         | AnnAssign(expr target, expr annotation, expr? value, int simple)
+
+         -- use 'orelse' because else is a keyword in target languages
+         | For(expr target, expr iter, stmt* body, stmt* orelse, string? type_comment)
+         | AsyncFor(expr target, expr iter, stmt* body, stmt* orelse, string? type_comment)
+         | While(expr test, stmt* body, stmt* orelse)
+         | If(expr test, stmt* body, stmt* orelse)
+         | With(withitem* items, stmt* body, string? type_comment)
+         | AsyncWith(withitem* items, stmt* body, string? type_comment)
+
+         | Match(expr subject, match_case* cases)
+
+         | Raise(expr? exc, expr? cause)
+         | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody)
+         | TryStar(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody)
+         | Assert(expr test, expr? msg)
+
+         | Import(alias* names)
+         | ImportFrom(identifier? module, alias* names, int? level)
+
+         | Global(identifier* names)
+         | Nonlocal(identifier* names)
+         | Expr(expr value)
+         | Pass
+         | Break
+         | Continue
+
+         -- col_offset is the byte offset in the utf8 string the parser uses
+         attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
+
+         -- BoolOp() can use left & right?
+    expr = BoolOp(boolop op, expr* values)
+         | NamedExpr(expr target, expr value)
+         | BinOp(expr left, operator op, expr right)
+         | UnaryOp(unaryop op, expr operand)
+         | Lambda(arguments args, expr body)
+         | IfExp(expr test, expr body, expr orelse)
+         | Dict(expr* keys, expr* values)
+         | Set(expr* elts)
+         | ListComp(expr elt, comprehension* generators)
+         | SetComp(expr elt, comprehension* generators)
+         | DictComp(expr key, expr value, comprehension* generators)
+         | GeneratorExp(expr elt, comprehension* generators)
+         -- the grammar constrains where yield expressions can occur
+         | Await(expr value)
+         | Yield(expr? value)
+         | YieldFrom(expr value)
+         -- need sequences for compare to distinguish between
+         -- x < 4 < 3 and (x < 4) < 3
+         | Compare(expr left, cmpop* ops, expr* comparators)
+         | Call(expr func, expr* args, keyword* keywords)
+         | FormattedValue(expr value, int conversion, expr? format_spec)
+         | JoinedStr(expr* values)
+         | Constant(constant value, string? kind)
+
+         -- the following expression can appear in assignment context
+         | Attribute(expr value, identifier attr, expr_context ctx)
+         | Subscript(expr value, expr slice, expr_context ctx)
+         | Starred(expr value, expr_context ctx)
+         | Name(identifier id, expr_context ctx)
+         | List(expr* elts, expr_context ctx)
+         | Tuple(expr* elts, expr_context ctx)
+
+         -- can appear only in Subscript
+         | Slice(expr? lower, expr? upper, expr? step)
+
+          -- col_offset is the byte offset in the utf8 string the parser uses
+          attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
+
+    expr_context = Load
+                 | Store
+                 | Del
+
+    boolop = And
+           | Or
+
+    operator = Add
+             | Sub
+             | Mult
+             | MatMult
+             | Div
+             | Mod
+             | Pow
+             | LShift
+             | RShift
+             | BitOr
+             | BitXor
+             | BitAnd
+             | FloorDiv
+
+    unaryop = Invert
+            | Not
+            | UAdd
+            | USub
+
+    cmpop = Eq
+          | NotEq
+          | Lt
+          | LtE
+          | Gt
+          | GtE
+          | Is
+          | IsNot
+          | In
+          | NotIn
+
+    comprehension = (expr target, expr iter, expr* ifs, int is_async)
+
+    excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body)
+                    attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
+
+    arguments = (arg* posonlyargs,
+                 arg* args,
+                 arg? vararg,
+                 arg* kwonlyargs,
+                 expr* kw_defaults,
+                 arg? kwarg,
+                 expr* defaults)
+
+    arg = (identifier arg, expr? annotation, string? type_comment)
+          attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
+
+    -- keyword arguments supplied to call (NULL identifier for **kwargs)
+    keyword = (identifier? arg, expr value)
+              attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
+
+    -- import name with optional 'as' alias.
+    alias = (identifier name, identifier? asname)
+            attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
+
+    withitem = (expr context_expr, expr? optional_vars)
+
+    match_case = (pattern pattern, expr? guard, stmt* body)
+
+    pattern = MatchValue(expr value)
+            | MatchSingleton(constant value)
+            | MatchSequence(pattern* patterns)
+            | MatchMapping(expr* keys, pattern* patterns, identifier? rest)
+            | MatchClass(expr cls, pattern* patterns, identifier* kwd_attrs, pattern* kwd_patterns)
+
+            | MatchStar(identifier? name)
+            -- The optional "rest" MatchMapping parameter handles capturing extra mapping keys
+
+            | MatchAs(pattern? pattern, identifier? name)
+            | MatchOr(pattern* patterns)
+
+             attributes (int lineno, int col_offset, int end_lineno, int end_col_offset)
+
+    type_ignore = TypeIgnore(int lineno, string tag)
+
+    type_param = TypeVar(identifier name, expr? bound, expr? default_value)
+               | ParamSpec(identifier name, expr? default_value)
+               | TypeVarTuple(identifier name, expr? default_value)
+               attributes (int lineno, int col_offset, int end_lineno, int end_col_offset)
+}

docs/contributing/changes_from312to313.rst

@@ -0,0 +1,5 @@
+Changes from Python 3.12 to Python 3.13
+---------------------------------------
+
+.. literalinclude:: ast/python3_13.ast
+   :diff: ast/python3_12.ast

docs/contributing/index.rst

@@ -105,6 +105,7 @@ A (modified style) Copy of all Abstract Grammar Definitions for the Python versi
    changes_from39to310
    changes_from310to311
    changes_from311to312
+   changes_from312to313
 
 .. _understand:
 

setup.py

@@ -50,6 +50,7 @@ def read(*rnames):
           'Programming Language :: Python :: 3.10',
           'Programming Language :: Python :: 3.11',
           'Programming Language :: Python :: 3.12',
+          'Programming Language :: Python :: 3.13',
           'Programming Language :: Python :: Implementation :: CPython',
           'Topic :: Security',
       ],

tox.ini

@@ -21,16 +21,13 @@ envlist =
 usedevelop = true
 package = wheel
 wheel_build_env = .pkg
-pip_pre = py313: true
 deps =
     datetime: DateTime
     -cconstraints.txt
     pytest-cov
     Sphinx
 setenv =
     COVERAGE_FILE=.coverage.{envname}
-    py312: VIRTUALENV_PIP=23.1.2
-    py312: PIP_REQUIRE_VIRTUALENV=0
 commands =
     python -V
     pytest --cov=src --cov=tests --cov-report= {posargs}
@@ -54,7 +51,8 @@ commands =
     coverage combine
     coverage html
     coverage report -m --fail-under=100
-depends = py37,py38,py39,py39-datetime,py310,py311,py312,coverage
+depends = py37,py38,py39,py39-datetime,py310,py311,py312,py313,coverage
+
 [testenv:release-check]
 description = ensure that the distribution is ready to release
 basepython = python3