Completed
Pull Request — master (#2295)
by Lasse
01:47
created

LanguageDefinition.__init__()   B

Complexity

Conditions 2

Size

Total Lines 26

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
dl 0
loc 26
rs 8.8571
c 0
b 0
f 0
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import os
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from coalib.bearlib.abstractions.SectionCreatable import SectionCreatable
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from coalib.misc import Constants
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from coalib.parsing.ConfParser import ConfParser
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class LanguageDefinition(SectionCreatable):
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    def __init__(self, language: str, coalang_path=None):
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        """
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        Creates a new LanguageDefinition object from file.
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        A Language Definition holds constants which may help parsing the
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        language. If you want to write a bear you'll probably want to use those
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        definitions to keep your bear independent of the semantics of each
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        language.
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        :param language:           The actual language (e.g. C++).
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        :coalang_path:             Path to coalang definition for language.
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        :raises FileNotFoundError: Raised when no definition is available for
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                                   the given family.
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        :raises KeyError:          Raised when no definition is available for
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                                   the given language.
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        """
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        SectionCreatable.__init__(self)
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        self.language = language.lower()
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        if not coalang_path:
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            filename = os.path.join(Constants.language_definitions,
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                                    language.lower() + ".coalang")
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        else:
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            filename = coalang_path
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        self.lang_dict = ConfParser().parse(filename)["default"]
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    def __getitem__(self, item):
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        return self.lang_dict[item]
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    def __contains__(self, item):
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        return item in self.lang_dict
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