Method unicode_name_matcher

IPython/core/completer.py:3141–3170

Match Latex-like syntax for unicode characters base on the name of the character. This does ``\\GREEK SMALL LETTER ETA`` -> ``η`` Works only on valid python 3 identifier, or on combining characters that will combine to form a valid identifier.

(self, context: CompletionContext)

    @context_matcher()
    def unicode_name_matcher(self, context: CompletionContext) -> SimpleMatcherResult:
        """Match Latex-like syntax for unicode characters base
        on the name of the character.

        This does  ``\\GREEK SMALL LETTER ETA`` -> ``η``

        Works only on valid python 3 identifier, or on combining characters that
        will combine to form a valid identifier.
        """

        text = context.text_until_cursor

        slashpos = text.rfind('\\')
        if slashpos > -1:
            s = text[slashpos+1:]
            try :
                unic = unicodedata.lookup(s)
                # allow combining chars
                if ('a'+unic).isidentifier():
                    return {
                        "completions": [SimpleCompletion(text=unic, type="unicode")],
                        "suppress": True,
                        "matched_fragment": "\\" + s,
                    }
            except KeyError:
                pass
        return {
            "completions": [],
            "suppress": False,
        }

    @context_matcher()
    def latex_name_matcher(self, context: CompletionContext):