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venv/lib/python3.9/site-packages/sqlalchemy_utils/utils.py

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+from collections.abc import Iterable
+
+
+def str_coercible(cls):
+    def __str__(self):
+        return self.__unicode__()
+
+    cls.__str__ = __str__
+    return cls
+
+
+def is_sequence(value):
+    return isinstance(value, Iterable) and not isinstance(value, str)
+
+
+def starts_with(iterable, prefix):
+    """
+    Returns whether or not given iterable starts with given prefix.
+    """
+    return list(iterable)[0 : len(prefix)] == list(prefix)