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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_completions(self, document, complete_event):
 """ Get Python completions. """

        # Do Path completions
        if complete_event.completion_requested or self._complete_path_while_typing(document):
            for c in self._path_completer.get_completions(document, complete_event):
                yield c

        # If we are inside a string, Don't do Jedi completion.
        if self._path_completer_grammar.match(document.text_before_cursor):
            return

        # Do Jedi Python completions.
        if complete_event.completion_requested or self._complete_python_while_typing(document):
            script = get_jedi_script_from_document(document, self.get_locals(), self.get_globals())

            if script:
                try:
                    completions = script.completions()
                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 IOError:
                    # 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
                except NotImplementedError:
                    # See: https://github.com/jonathanslenders/ptpython/issues/223
                    pass
                except Exception:
                    # Supress all other Jedi exceptions.
                    pass
                else:
                    for c in completions:
                        yield Completion(c.name_with_symbols, len(c.complete) - len(c.name_with_symbols),
                                         display=c.name_with_symbols)