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Generate cache for builtins #6043

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merged 9 commits into from
Mar 8, 2024
Merged

Generate cache for builtins #6043

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c56dbc0
Generate cache for builtins
alexandrasp Feb 29, 2024
211e204
Add test to check Cpython compatibility
alexandrasp Mar 1, 2024
6461da8
Apply suggestions from code review
scoder Mar 6, 2024
a4deaa3
Make conditional ordering less surprising.
scoder Mar 6, 2024
b5b1a48
Remove redundant import again.
scoder Mar 6, 2024
0e537d4
Exclude module attributes from builtins list and test.
scoder Mar 6, 2024
4e482f9
Add missing Windows specific builtin.
scoder Mar 6, 2024
3e39d87
Exclude `WindowsError` from expected builtins in test, unless we're o…
scoder Mar 7, 2024
e725c85
Merge branch 'master' into generate-cache-builtins
scoder Mar 7, 2024
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167 changes: 163 additions & 4 deletions Cython/Compiler/Symtab.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,6 @@
import copy
import operator

import builtins

from ..Utils import try_finally_contextmanager
from .Errors import warning, error, InternalError
from .StringEncoding import EncodedString
Expand All @@ -31,6 +29,167 @@
'_Bool', '_Complex'', _Imaginary', 'inline', 'restrict',
}

# Builtins as of Python 3.12.0
KNOWN_PYTHON_BUILTINS_VERSION = (3, 12, 0, 'final', 0)
KNOWN_PYTHON_BUILTINS = frozenset([
'ArithmeticError',
'AssertionError',
'AttributeError',
'BaseException',
'BaseExceptionGroup',
'BlockingIOError',
'BrokenPipeError',
'BufferError',
'BytesWarning',
'ChildProcessError',
'ConnectionAbortedError',
'ConnectionError',
'ConnectionRefusedError',
'ConnectionResetError',
'DeprecationWarning',
'EOFError',
'Ellipsis',
'EncodingWarning',
'EnvironmentError',
'Exception',
'ExceptionGroup',
'False',
'FileExistsError',
'FileNotFoundError',
'FloatingPointError',
'FutureWarning',
'GeneratorExit',
'IOError',
'ImportError',
'ImportWarning',
'IndentationError',
'IndexError',
'InterruptedError',
'IsADirectoryError',
'KeyError',
'KeyboardInterrupt',
'LookupError',
'MemoryError',
'ModuleNotFoundError',
'NameError',
'None',
'NotADirectoryError',
'NotImplemented',
'NotImplementedError',
'OSError',
'OverflowError',
'PendingDeprecationWarning',
'PermissionError',
'ProcessLookupError',
'RecursionError',
'ReferenceError',
'ResourceWarning',
'RuntimeError',
'RuntimeWarning',
'StopAsyncIteration',
'StopIteration',
'SyntaxError',
'SyntaxWarning',
'SystemError',
'SystemExit',
'TabError',
'TimeoutError',
'True',
'TypeError',
'UnboundLocalError',
'UnicodeDecodeError',
'UnicodeEncodeError',
'UnicodeError',
'UnicodeTranslateError',
'UnicodeWarning',
'UserWarning',
'ValueError',
'Warning',
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'ZeroDivisionError',
'__build_class__',
'__debug__',
'__doc__',
'__import__',
'__loader__',
'__name__',
'__package__',
'__spec__',
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'abs',
'aiter',
'all',
'anext',
'any',
'ascii',
'bin',
'bool',
'breakpoint',
'bytearray',
'bytes',
'callable',
'chr',
'classmethod',
'compile',
'complex',
'copyright',
'credits',
'delattr',
'dict',
'dir',
'divmod',
'enumerate',
'eval',
'exec',
'exit',
'filter',
'float',
'format',
'frozenset',
'getattr',
'globals',
'hasattr',
'hash',
'help',
'hex',
'id',
'input',
'int',
'isinstance',
'issubclass',
'iter',
'len',
'license',
'list',
'locals',
'map',
'max',
'memoryview',
'min',
'next',
'object',
'oct',
'open',
'ord',
'pow',
'print',
'property',
'quit',
'range',
'repr',
'reversed',
'round',
'set',
'setattr',
'slice',
'sorted',
'staticmethod',
'str',
'sum',
'super',
'tuple',
'type',
'vars',
'zip',
])

def c_safe_identifier(cname):
# There are some C limitations on struct entry names.
Expand Down Expand Up @@ -1190,7 +1349,7 @@ def lookup(self, name, language_level=None, str_is_str=None):
return Scope.lookup(self, name)

def declare_builtin(self, name, pos):
if not hasattr(builtins, name):
if name not in KNOWN_PYTHON_BUILTINS:
if self.outer_scope is not None:
return self.outer_scope.declare_builtin(name, pos)
else:
Expand Down Expand Up @@ -1358,7 +1517,7 @@ def declare_tuple_type(self, pos, components):
return entry

def declare_builtin(self, name, pos):
if not hasattr(builtins, name) \
if name not in KNOWN_PYTHON_BUILTINS \
and name not in Code.non_portable_builtins_map \
and name not in Code.uncachable_builtins:
if self.has_import_star:
Expand Down
14 changes: 14 additions & 0 deletions Cython/Compiler/Tests/TestBuiltin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@
builtin_scope,
)

from ..Symtab import (
KNOWN_PYTHON_BUILTINS_VERSION, KNOWN_PYTHON_BUILTINS,
)

class TestBuiltinReturnTypes(unittest.TestCase):
def test_find_return_type_of_builtin_method(self):
Expand All @@ -30,3 +33,14 @@ def test_find_return_type_of_builtin_method(self):
self.assertTrue(hasattr(py_type, method_name), f"{type_name}.{method_name}")
else:
self.assertEqual(return_type.empty_declaration_code(pyrex=True), return_type_name)

class TestBuiltinCompatibility(unittest.TestCase):
def test_python_builtin_compatibility(self):
import builtins
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runtime_builtins = frozenset(name for name in dir(builtins) if name[:1] != '_')
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if sys.version_info < KNOWN_PYTHON_BUILTINS_VERSION:
missing_builtins = KNOWN_PYTHON_BUILTINS - runtime_builtins
if missing_builtins:
self.skipTest(f'skipping test, older Python release found. Missing builtins: {", ".join(sorted(missing_builtins))}')
self.skipTest('skipping test, older Python release found.')
self.assertSetEqual(runtime_builtins, KNOWN_PYTHON_BUILTINS)