ccfc0b3c19
They were problematic because they're executing hidden code, and also PyQt hides exceptions happening inside them.
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""A single value (with multiple layers possibly) in the config."""
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import collections
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class SettingValue:
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"""Base class for setting values.
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Intended to be subclassed by config value "types".
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Attributes:
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typ: A BaseType subclass instance.
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value: (readonly property) The currently valid, most important value.
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values: An OrderedDict with the values on different layers, with the
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most significant layer first.
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"""
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def __init__(self, typ, default=None):
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"""Constructor.
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Args:
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typ: The BaseType to use.
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default: Raw value to set.
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"""
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self.typ = typ
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self.values = collections.OrderedDict.fromkeys(
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['temp', 'conf', 'default'])
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self.values['default'] = default
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def __str__(self):
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"""Get raw string value."""
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return self.value
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def default(self):
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"""Get the default value."""
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return self.values['default']
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def getlayers(self, startlayer):
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"""Get a dict of values starting with startlayer.
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Args:
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startlayer: The first layer to include.
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"""
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idx = list(self.values.keys()).index(startlayer)
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d = collections.OrderedDict(list(self.values.items())[idx:])
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return d
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def value(self, startlayer=None):
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"""Get the first valid value starting from startlayer.
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Args:
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startlayer: The first layer to include.
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"""
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if startlayer is None:
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d = self.values
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else:
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d = self.getlayers(startlayer)
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for val in d.values():
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if val is not None:
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return val
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else: # pylint: disable=useless-else-on-loop
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raise ValueError("No valid config value found!")
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def transformed(self):
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"""Get the transformed value."""
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return self.typ.transform(self.value())
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def setv(self, layer, value, interpolated):
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"""Set the value on a layer.
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Args:
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layer: The layer to set the value on, an element name of the
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ValueLayers dict.
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value: The value to set.
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interpolated: The interpolated value, for typechecking.
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"""
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self.typ.validate(interpolated)
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self.values[layer] = value
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