From 2db58930a6f8c955c4d437657bd07e2939a705f2 Mon Sep 17 00:00:00 2001
From: James Taylor <user234683@users.noreply.github.com>
Date: Sun, 16 Jun 2019 16:16:03 -0700
Subject: Convert watch page to flask framework

---
 python/itsdangerous/exc.py | 98 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 python/itsdangerous/exc.py

(limited to 'python/itsdangerous/exc.py')

diff --git a/python/itsdangerous/exc.py b/python/itsdangerous/exc.py
new file mode 100644
index 0000000..287d691
--- /dev/null
+++ b/python/itsdangerous/exc.py
@@ -0,0 +1,98 @@
+from ._compat import PY2
+from ._compat import text_type
+
+
+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
+    """
+
+    message = None
+
+    def __init__(self, message):
+        super(BadData, self).__init__(self, message)
+        self.message = message
+
+    def __str__(self):
+        return text_type(self.message)
+
+    if PY2:
+        __unicode__ = __str__
+
+        def __str__(self):
+            return self.__unicode__().encode("utf-8")
+
+
+class BadSignature(BadData):
+    """Raised if a signature does not match."""
+
+    def __init__(self, message, payload=None):
+        BadData.__init__(self, 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 = payload
+
+
+class BadTimeSignature(BadSignature):
+    """Raised if a time-based signature is invalid. This is a subclass
+    of :class:`BadSignature`.
+    """
+
+    def __init__(self, message, payload=None, date_signed=None):
+        BadSignature.__init__(self, 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.
+        #:
+        #: .. 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, payload=None, header=None, original_error=None):
+        BadSignature.__init__(self, message, payload)
+
+        #: If the header is actually available but just malformed it
+        #: might be stored here.
+        self.header = header
+
+        #: If available, the error that indicates why the payload was
+        #: not valid. This might be ``None``.
+        self.original_error = 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, original_error=None):
+        BadData.__init__(self, message)
+
+        #: If available, the error that indicates why the payload was
+        #: not valid. This might be ``None``.
+        self.original_error = original_error
-- 
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