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hassio-google-drive-backup/backup/config/durationasstringvalidator.py

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+from datetime import timedelta
+from .durationparser import DurationParser
+from .validator import Validator
+
+
+class DurationAsStringValidator(Validator):
+    def __init__(self, name, minimum=None, maximum=None, base_seconds=1, default_as_empty=None):
+        super().__init__(name)
+        self.min = minimum
+        self.max = maximum
+        self.base_seconds = base_seconds
+        self.default_as_empty = default_as_empty
+
+    def validate(self, value):
+        if value is None or (type(value) == str and len(value) == 0):
+            return None
+        try:
+            if type(value) == str:
+                if self.default_as_empty is not None and value == "":
+                    value = self.default_as_empty
+                else:
+                    value = DurationParser().parse(value).total_seconds() / self.base_seconds
+            value = float(value)
+        except ValueError:
+            self.raiseForValue(value)
+
+        if self.max is not None and value > self.max:
+            self.raiseForValue(value)
+        if self.min is not None and value < self.min:
+            self.raiseForValue(value)
+        return value
+
+    def formatForUi(self, value):
+        if self.default_as_empty is not None and value == self.default_as_empty:
+            return ""
+        else:
+            return DurationParser().format(timedelta(seconds=value * self.base_seconds))