Implement CustomConfig.set_if_not_exists()
A convenience helper function that allows to set a configuration value if the user has not explicitly configured anything ie the option does not exist yet in the configuration. It won't do anything, if the option exists. Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
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@ -71,6 +71,14 @@ class CustomConfigParser(SafeConfigParser):
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return [x[len(key):] for x in self.sections() \
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if x.startswith(key)]
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def set_if_not_exists(self, section, option, value):
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"""Set a value if it does not exist yet
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This allows to set default if the user has not explicitly
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configured anything."""
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if not self.has_option(section, option):
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self.set(section, option, value)
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def CustomConfigDefault():
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"""Just a constant that won't occur anywhere else.
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