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Preview: _adapters.py Size: 1.82 KB

//opt/alt/python311/lib64/python3.11/importlib/metadata/_adapters.py

import re
import textwrap
import email.message

from ._text import FoldedCase


class Message(email.message.Message):
    multiple_use_keys = set(
        map(
            FoldedCase,
            [
                'Classifier',
                'Obsoletes-Dist',
                'Platform',
                'Project-URL',
                'Provides-Dist',
                'Provides-Extra',
                'Requires-Dist',
                'Requires-External',
                'Supported-Platform',
                'Dynamic',
            ],
        )
    )
    """
    Keys that may be indicated multiple times per PEP 566.
    """

    def __new__(cls, orig: email.message.Message):
        res = super().__new__(cls)
        vars(res).update(vars(orig))
        return res

    def __init__(self, *args, **kwargs):
        self._headers = self._repair_headers()

    # suppress spurious error from mypy
    def __iter__(self):
        return super().__iter__()

    def _repair_headers(self):
        def redent(value):
            "Correct for RFC822 indentation"
            if not value or '\n' not in value:
                return value
            return textwrap.dedent(' ' * 8 + value)

        headers = [(key, redent(value)) for key, value in vars(self)['_headers']]
        if self._payload:
            headers.append(('Description', self.get_payload()))
        return headers

    @property
    def json(self):
        """
        Convert PackageMetadata to a JSON-compatible format
        per PEP 0566.
        """

        def transform(key):
            value = self.get_all(key) if key in self.multiple_use_keys else self[key]
            if key == 'Keywords':
                value = re.split(r'\s+', value)
            tk = key.lower().replace('-', '_')
            return tk, value

        return dict(map(transform, map(FoldedCase, self)))

Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-04-06 18:15:10	Edit Download recursive recursive
_adapters.py	1.82 KB	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive
_collections.py	743 B	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive
_functools.py	2.83 KB	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive
_itertools.py	2.02 KB	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive
_meta.py	1.11 KB	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive
_text.py	2.12 KB	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive
__init__.py	30.38 KB	lrw-r--r--	2024-04-02 08:25:04	Edit Download recursive recursive

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