Class JediCompleter

src/ptpython/completer.py:201–294

Autocompleter that uses the Jedi library.

class JediCompleter(Completer):
    """
    Autocompleter that uses the Jedi library.
    """

    def __init__(
        self,
        get_globals: Callable[[], dict[str, Any]],
        get_locals: Callable[[], dict[str, Any]],
    ) -> None:
        super().__init__()

        self.get_globals = get_globals
        self.get_locals = get_locals

    def get_completions(
        self, document: Document, complete_event: CompleteEvent
    ) -> Iterable[Completion]:
        script = get_jedi_script_from_document(
            document, self.get_locals(), self.get_globals()
        )

        if script:
            try:
                jedi_completions = script.complete(
                    column=document.cursor_position_col,
                    line=document.cursor_position_row + 1,
                )
            except TypeError:
                # Issue #9: bad syntax causes completions() to fail in jedi.
                # https://github.com/jonathanslenders/python-prompt-toolkit/issues/9
                pass
            except UnicodeDecodeError:
                # Issue #43: UnicodeDecodeError on OpenBSD
                # https://github.com/jonathanslenders/python-prompt-toolkit/issues/43
                pass
            except AttributeError:
                # Jedi issue #513: https://github.com/davidhalter/jedi/issues/513
                pass
            except ValueError:
                # Jedi issue: "ValueError: invalid \x escape"
                pass
            except KeyError:
                # Jedi issue: "KeyError: u'a_lambda'."
                # https://github.com/jonathanslenders/ptpython/issues/89
                pass
            except OSError:
                # Jedi issue: "IOError: No such file or directory."
                # https://github.com/jonathanslenders/ptpython/issues/71
                pass
            except AssertionError:
                # In jedi.parser.__init__.py: 227, in remove_last_newline,
                # the assertion "newline.value.endswith('\n')" can fail.
                pass
            except SystemError:
                # In jedi.api.helpers.py: 144, in get_stack_at_position
                # raise SystemError("This really shouldn't happen. There's a bug in Jedi.")
                pass