| | """Provide basic warnings used by setuptools modules. |
| | |
| | Using custom classes (other than ``UserWarning``) allow users to set |
| | ``PYTHONWARNINGS`` filters to run tests and prepare for upcoming changes in |
| | setuptools. |
| | """ |
| |
|
| | from __future__ import annotations |
| |
|
| | import os |
| | import warnings |
| | from datetime import date |
| | from inspect import cleandoc |
| | from textwrap import indent |
| | from typing import TYPE_CHECKING |
| |
|
| | if TYPE_CHECKING: |
| | from typing_extensions import TypeAlias |
| |
|
| | _DueDate: TypeAlias = tuple[int, int, int] |
| | _INDENT = 8 * " " |
| | _TEMPLATE = f"""{80 * '*'}\n{{details}}\n{80 * '*'}""" |
| |
|
| |
|
| | class SetuptoolsWarning(UserWarning): |
| | """Base class in ``setuptools`` warning hierarchy.""" |
| |
|
| | @classmethod |
| | def emit( |
| | cls, |
| | summary: str | None = None, |
| | details: str | None = None, |
| | due_date: _DueDate | None = None, |
| | see_docs: str | None = None, |
| | see_url: str | None = None, |
| | stacklevel: int = 2, |
| | **kwargs, |
| | ) -> None: |
| | """Private: reserved for ``setuptools`` internal use only""" |
| | |
| | summary_ = summary or getattr(cls, "_SUMMARY", None) or "" |
| | details_ = details or getattr(cls, "_DETAILS", None) or "" |
| | due_date = due_date or getattr(cls, "_DUE_DATE", None) |
| | docs_ref = see_docs or getattr(cls, "_SEE_DOCS", None) |
| | docs_url = docs_ref and f"https://setuptools.pypa.io/en/latest/{docs_ref}" |
| | see_url = see_url or getattr(cls, "_SEE_URL", None) |
| | due = date(*due_date) if due_date else None |
| |
|
| | text = cls._format(summary_, details_, due, see_url or docs_url, kwargs) |
| | if due and due < date.today() and _should_enforce(): |
| | raise cls(text) |
| | warnings.warn(text, cls, stacklevel=stacklevel + 1) |
| |
|
| | @classmethod |
| | def _format( |
| | cls, |
| | summary: str, |
| | details: str, |
| | due_date: date | None = None, |
| | see_url: str | None = None, |
| | format_args: dict | None = None, |
| | ) -> str: |
| | """Private: reserved for ``setuptools`` internal use only""" |
| | today = date.today() |
| | summary = cleandoc(summary).format_map(format_args or {}) |
| | possible_parts = [ |
| | cleandoc(details).format_map(format_args or {}), |
| | ( |
| | f"\nBy {due_date:%Y-%b-%d}, you need to update your project and remove " |
| | "deprecated calls\nor your builds will no longer be supported." |
| | if due_date and due_date > today |
| | else None |
| | ), |
| | ( |
| | "\nThis deprecation is overdue, please update your project and remove " |
| | "deprecated\ncalls to avoid build errors in the future." |
| | if due_date and due_date < today |
| | else None |
| | ), |
| | (f"\nSee {see_url} for details." if see_url else None), |
| | ] |
| | parts = [x for x in possible_parts if x] |
| | if parts: |
| | body = indent(_TEMPLATE.format(details="\n".join(parts)), _INDENT) |
| | return "\n".join([summary, "!!\n", body, "\n!!"]) |
| | return summary |
| |
|
| |
|
| | class InformationOnly(SetuptoolsWarning): |
| | """Currently there is no clear way of displaying messages to the users |
| | that use the setuptools backend directly via ``pip``. |
| | The only thing that might work is a warning, although it is not the |
| | most appropriate tool for the job... |
| | |
| | See pypa/packaging-problems#558. |
| | """ |
| |
|
| |
|
| | class SetuptoolsDeprecationWarning(SetuptoolsWarning): |
| | """ |
| | Base class for warning deprecations in ``setuptools`` |
| | |
| | This class is not derived from ``DeprecationWarning``, and as such is |
| | visible by default. |
| | """ |
| |
|
| |
|
| | def _should_enforce(): |
| | enforce = os.getenv("SETUPTOOLS_ENFORCE_DEPRECATION", "false").lower() |
| | return enforce in ("true", "on", "ok", "1") |
| |
|