def get_completions(self, document: Document,
complete_event: CompleteEvent) -> Iterable[Completion]:
prev_word_pos = document.find_previous_word_beginning()
if (prev_word_pos is None and document.cursor_position != 0) or (
prev_word_pos is not None
and document.cursor_position + prev_word_pos != 0):
return []
for priority, entries_by_priority in self.shell.commands.items():
for entry in entries_by_priority:
if entry.startswith(document.text):
yield Completion(
entry,
start_position=0
if prev_word_pos is None else prev_word_pos,
style={
CommandEntryPriority.BASE: "",
CommandEntryPriority.ALIAS: "bg:ansibrightyellow",
CommandEntryPriority.USER_ALIAS:
"bg:ansibrightyellow",
}[priority],
selected_style={
CommandEntryPriority.BASE: "",
CommandEntryPriority.ALIAS: "bg:ansiyellow",
CommandEntryPriority.USER_ALIAS: "bg:ansiyellow",
}[priority],
)