mirror of https://github.com/python/cpython
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
from __future__ import annotations
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import contextlib
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import functools
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import io
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from types import NoneType
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from typing import Any, Protocol, TYPE_CHECKING
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from libclinic import unspecified
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from libclinic.block_parser import Block
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from libclinic.converter import CConverter, converters
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from libclinic.converters import buffer, robuffer, rwbuffer
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from libclinic.return_converters import CReturnConverter, return_converters
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if TYPE_CHECKING:
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from libclinic.app import Clinic
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class Parser(Protocol):
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def __init__(self, clinic: Clinic) -> None: ...
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def parse(self, block: Block) -> None: ...
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@functools.cache
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def _create_parser_base_namespace() -> dict[str, Any]:
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ns = dict(
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CConverter=CConverter,
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CReturnConverter=CReturnConverter,
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buffer=buffer,
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robuffer=robuffer,
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rwbuffer=rwbuffer,
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unspecified=unspecified,
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NoneType=NoneType,
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)
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for name, converter in converters.items():
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ns[f'{name}_converter'] = converter
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for name, return_converter in return_converters.items():
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ns[f'{name}_return_converter'] = return_converter
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return ns
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def create_parser_namespace() -> dict[str, Any]:
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base_namespace = _create_parser_base_namespace()
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return base_namespace.copy()
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class PythonParser:
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def __init__(self, clinic: Clinic) -> None:
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pass
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def parse(self, block: Block) -> None:
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namespace = create_parser_namespace()
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with contextlib.redirect_stdout(io.StringIO()) as s:
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exec(block.input, namespace)
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block.output = s.getvalue()
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