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Add protected pprint.PrettyPrinter methods #14228

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Add protected pprint.PrettyPrinter methods #14228

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c93200f
Add protected methods
tobixx Jun 6, 2025
5413839
Merge branch 'main' into pprint-PrettyPrinter-protected
tobixx Jun 10, 2025
1f755a2
Merge branch 'main' into pprint-PrettyPrinter-protected
srittau Jul 7, 2025
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39 changes: 39 additions & 0 deletions stdlib/pprint.pyi
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import sys
from collections import deque
from typing import IO

__all__ = ["pprint", "pformat", "isreadable", "isrecursive", "saferepr", "PrettyPrinter", "pp"]
Expand Down Expand Up @@ -110,3 +111,41 @@ class PrettyPrinter:
def isreadable(self, object: object) -> bool: ...
def isrecursive(self, object: object) -> bool: ...
def format(self, object: object, context: dict[int, int], maxlevels: int, level: int) -> tuple[str, bool, bool]: ...
def _format(
self, object: object, stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
Comment on lines +114 to +116
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IO is generally not recommended to use in argument annotations. From looking at the code, only write() seems to be called on the stream, so SupportsWrite (from _typeshed) seems like a suitable replacement.

Affects the methods below as well.

def _pprint_dict(
self, object: dict[object, object], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _pprint_list(
self, object: list[object], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _pprint_tuple(
self, object: tuple[object, ...], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _pprint_set(
self, object: set[object], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _pprint_frozenset(
self, object: frozenset[object], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _pprint_deque(
self, object: deque[object], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _format_dict_items(
self,
items: list[tuple[object, object]],
stream: IO[str],
indent: int,
allowance: int,
context: dict[int, int],
level: int,
) -> None: ...
def _format_items(
self, items: list[object], stream: IO[str], indent: int, allowance: int, context: dict[int, int], level: int
) -> None: ...
def _repr(self, object: object, context: dict[int, int], level: int) -> str: ...
def _readable(self, object: object, context: dict[int, int]) -> bool: ...
def _recursive(self, object: object, context: dict[int, int]) -> bool: ...
def _depth(self, object: object, context: dict[int, int]) -> int: ...
Comment on lines +148 to +150
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These seem to be attributes, not methods.

def _safe_repr(self, object: object, context: dict[int, int], maxlevels: int, level: int) -> tuple[str, bool, bool]: ...
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