Загрузить файлы в «venv/Lib/site-packages/itsdangerous»

venv/Lib/site-packages/itsdangerous/__init__.py

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+from __future__ import annotations
+
+import typing as t
+
+from .encoding import base64_decode as base64_decode
+from .encoding import base64_encode as base64_encode
+from .encoding import want_bytes as want_bytes
+from .exc import BadData as BadData
+from .exc import BadHeader as BadHeader
+from .exc import BadPayload as BadPayload
+from .exc import BadSignature as BadSignature
+from .exc import BadTimeSignature as BadTimeSignature
+from .exc import SignatureExpired as SignatureExpired
+from .serializer import Serializer as Serializer
+from .signer import HMACAlgorithm as HMACAlgorithm
+from .signer import NoneAlgorithm as NoneAlgorithm
+from .signer import Signer as Signer
+from .timed import TimedSerializer as TimedSerializer
+from .timed import TimestampSigner as TimestampSigner
+from .url_safe import URLSafeSerializer as URLSafeSerializer
+from .url_safe import URLSafeTimedSerializer as URLSafeTimedSerializer
+
+
+def __getattr__(name: str) -> t.Any:
+    if name == "__version__":
+        import importlib.metadata
+        import warnings
+
+        warnings.warn(
+            "The '__version__' attribute is deprecated and will be removed in"
+            " ItsDangerous 2.3. Use feature detection or"
+            " 'importlib.metadata.version(\"itsdangerous\")' instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return importlib.metadata.version("itsdangerous")
+
+    raise AttributeError(name)

venv/Lib/site-packages/itsdangerous/_json.py

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+from __future__ import annotations
+
+import json as _json
+import typing as t
+
+
+class _CompactJSON:
+    """Wrapper around json module that strips whitespace."""
+
+    @staticmethod
+    def loads(payload: str | bytes) -> t.Any:
+        return _json.loads(payload)
+
+    @staticmethod
+    def dumps(obj: t.Any, **kwargs: t.Any) -> str:
+        kwargs.setdefault("ensure_ascii", False)
+        kwargs.setdefault("separators", (",", ":"))
+        return _json.dumps(obj, **kwargs)

venv/Lib/site-packages/itsdangerous/encoding.py

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+from __future__ import annotations
+
+import base64
+import string
+import struct
+import typing as t
+
+from .exc import BadData
+
+
+def want_bytes(
+    s: str | bytes, encoding: str = "utf-8", errors: str = "strict"
+) -> bytes:
+    if isinstance(s, str):
+        s = s.encode(encoding, errors)
+
+    return s
+
+
+def base64_encode(string: str | bytes) -> bytes:
+    """Base64 encode a string of bytes or text. The resulting bytes are
+    safe to use in URLs.
+    """
+    string = want_bytes(string)
+    return base64.urlsafe_b64encode(string).rstrip(b"=")
+
+
+def base64_decode(string: str | bytes) -> bytes:
+    """Base64 decode a URL-safe string of bytes or text. The result is
+    bytes.
+    """
+    string = want_bytes(string, encoding="ascii", errors="ignore")
+    string += b"=" * (-len(string) % 4)
+
+    try:
+        return base64.urlsafe_b64decode(string)
+    except (TypeError, ValueError) as e:
+        raise BadData("Invalid base64-encoded data") from e
+
+
+# The alphabet used by base64.urlsafe_*
+_base64_alphabet = f"{string.ascii_letters}{string.digits}-_=".encode("ascii")
+
+_int64_struct = struct.Struct(">Q")
+_int_to_bytes = _int64_struct.pack
+_bytes_to_int = t.cast("t.Callable[[bytes], tuple[int]]", _int64_struct.unpack)
+
+
+def int_to_bytes(num: int) -> bytes:
+    return _int_to_bytes(num).lstrip(b"\x00")
+
+
+def bytes_to_int(bytestr: bytes) -> int:
+    return _bytes_to_int(bytestr.rjust(8, b"\x00"))[0]

venv/Lib/site-packages/itsdangerous/exc.py

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+from __future__ import annotations
+
+import typing as t
+from datetime import datetime
+
+
+class BadData(Exception):
+    """Raised if bad data of any sort was encountered. This is the base
+    for all exceptions that ItsDangerous defines.
+
+    .. versionadded:: 0.15
+    """
+
+    def __init__(self, message: str):
+        super().__init__(message)
+        self.message = message
+
+    def __str__(self) -> str:
+        return self.message
+
+
+class BadSignature(BadData):
+    """Raised if a signature does not match."""
+
+    def __init__(self, message: str, payload: t.Any | None = None):
+        super().__init__(message)
+
+        #: The payload that failed the signature test. In some
+        #: situations you might still want to inspect this, even if
+        #: you know it was tampered with.
+        #:
+        #: .. versionadded:: 0.14
+        self.payload: t.Any | None = payload
+
+
+class BadTimeSignature(BadSignature):
+    """Raised if a time-based signature is invalid. This is a subclass
+    of :class:`BadSignature`.
+    """
+
+    def __init__(
+        self,
+        message: str,
+        payload: t.Any | None = None,
+        date_signed: datetime | None = None,
+    ):
+        super().__init__(message, payload)
+
+        #: If the signature expired this exposes the date of when the
+        #: signature was created. This can be helpful in order to
+        #: tell the user how long a link has been gone stale.
+        #:
+        #: .. versionchanged:: 2.0
+        #:     The datetime value is timezone-aware rather than naive.
+        #:
+        #: .. versionadded:: 0.14
+        self.date_signed = date_signed
+
+
+class SignatureExpired(BadTimeSignature):
+    """Raised if a signature timestamp is older than ``max_age``. This
+    is a subclass of :exc:`BadTimeSignature`.
+    """
+
+
+class BadHeader(BadSignature):
+    """Raised if a signed header is invalid in some form. This only
+    happens for serializers that have a header that goes with the
+    signature.
+
+    .. versionadded:: 0.24
+    """
+
+    def __init__(
+        self,
+        message: str,
+        payload: t.Any | None = None,
+        header: t.Any | None = None,
+        original_error: Exception | None = None,
+    ):
+        super().__init__(message, payload)
+
+        #: If the header is actually available but just malformed it
+        #: might be stored here.
+        self.header: t.Any | None = header
+
+        #: If available, the error that indicates why the payload was
+        #: not valid. This might be ``None``.
+        self.original_error: Exception | None = original_error
+
+
+class BadPayload(BadData):
+    """Raised if a payload is invalid. This could happen if the payload
+    is loaded despite an invalid signature, or if there is a mismatch
+    between the serializer and deserializer. The original exception
+    that occurred during loading is stored on as :attr:`original_error`.
+
+    .. versionadded:: 0.15
+    """
+
+    def __init__(self, message: str, original_error: Exception | None = None):
+        super().__init__(message)
+
+        #: If available, the error that indicates why the payload was
+        #: not valid. This might be ``None``.
+        self.original_error: Exception | None = original_error