Squashed 'kiwi/' content from commit 268028e

git-subtree-dir: kiwi
git-subtree-split: 268028ee4a694dcd89e4b1e683bf2f9ac48c08d9

py/kiwisolver/exceptions.py

@@ -0,0 +1,51 @@
+# --------------------------------------------------------------------------------------
+# Copyright (c) 2023, Nucleic Development Team.
+#
+# Distributed under the terms of the Modified BSD License.
+#
+# The full license is in the file LICENSE, distributed with this software.
+# --------------------------------------------------------------------------------------
+"""Kiwi exceptions.
+
+Imported by the kiwisolver C extension.
+
+"""
+
+
+class BadRequiredStrength(Exception):
+    pass
+
+
+class DuplicateConstraint(Exception):
+    __slots__ = ("constraint",)
+
+    def __init__(self, constraint):
+        self.constraint = constraint
+
+
+class DuplicateEditVariable(Exception):
+    __slots__ = ("edit_variable",)
+
+    def __init__(self, edit_variable):
+        self.edit_variable = edit_variable
+
+
+class UnknownConstraint(Exception):
+    __slots__ = ("constraint",)
+
+    def __init__(self, constraint):
+        self.constraint = constraint
+
+
+class UnknownEditVariable(Exception):
+    __slots__ = ("edit_variable",)
+
+    def __init__(self, edit_variable):
+        self.edit_variable = edit_variable
+
+
+class UnsatisfiableConstraint(Exception):
+    __slots__ = ("constraint",)
+
+    def __init__(self, constraint):
+        self.constraint = constraint