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Automatically validates the file against the spec (found in
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./ivle-spec.conf relative to this module).
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def __init__(self, *args, **kwargs):
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conffile = search_conffile()
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def __init__(self, blank=False, *args, **kwargs):
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"""Initialises a new Config object. Searches for the config file,
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loads it, and validates it.
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@param blank: If blank=True, will create a blank config instead, and
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not search for the config file.
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@raise ConfigError: If the config file cannot be found.
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specfile = os.path.join(os.path.dirname(__file__), 'ivle-spec.conf')
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super(Config, self).__init__(infile=conffile, configspec=specfile,
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# XXX This doesn't raise errors if it doesn't validate
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self.validate(Validator())
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super(Config, self).__init__(configspec=specfile, *args, **kwargs)
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conffile = search_conffile()
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super(Config, self).__init__(infile=conffile, configspec=specfile,
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# XXX This doesn't raise errors if it doesn't validate
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self.validate(Validator())
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def set_by_path(self, path, value=_NO_VALUE, comment=None):
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"""Writes a value to an option, given a '/'-separated path.
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@param path: '/'-separated path to configuration option.
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@param value: Optional - value to write to the option.
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@param comment: Optional - comment string (lines separated by '\n's).
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Note: If only a comment is being inserted, and the value does not
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exist, fails silently.
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path = path.split('/')
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# Iterate over each segment of the path, and find the section in conf
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# file to insert the value into (use all but the last path segment)
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# Create the section if it isn't there
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if seg not in conf_section:
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conf_section[seg] = {}
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conf_section = conf_section[seg]
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# The final path segment names the key to insert into
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if value is not _NO_VALUE:
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conf_section[keyname] = value
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if comment is not None:
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conf_section[keyname]
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conf_section.comments[keyname] = comment.split('\n')
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def get_by_path(self, path):
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"""Gets an option's value, given a '/'-separated path.
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@param path: '/'-separated path to configuration option.
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@raise KeyError: if no config option is at that path.
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# Iterate over each segment of the path, and find the value in conf file
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for seg in path.split('/'):
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value = value[seg] # May raise KeyError