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Add ability to change the autosuggestion class. #1966

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Add ability to change the autosuggestion class. #1966

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13 changes: 10 additions & 3 deletions src/prompt_toolkit/shortcuts/prompt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -328,6 +328,10 @@ class PromptSession(Generic[_T]):
there is a keyboard interrupt (control-c keypress).
:param eof_exception: The exception type that will be raised when there is
an end-of-file/exit event (control-d keypress).
:param append_autosuggestion_class: The class of the `Processor` that will
be used to append autosuggestions to the current buffer. Default to
`AppendAutoSuggestion`, that can only handle single line suggestions to
the last line of the current buffer
"""

_fields = (
Expand Down Expand Up @@ -416,6 +420,7 @@ def __init__(
output: Output | None = None,
interrupt_exception: type[BaseException] = KeyboardInterrupt,
eof_exception: type[BaseException] = EOFError,
append_autosuggestion_class=AppendAutoSuggestion,
) -> None:
history = history or InMemoryHistory()
clipboard = clipboard or InMemoryClipboard()
Expand Down Expand Up @@ -472,7 +477,9 @@ def __init__(
self.history = history
self.default_buffer = self._create_default_buffer()
self.search_buffer = self._create_search_buffer()
self.layout = self._create_layout()
self.layout = self._create_layout(
append_autosuggestion_class=append_autosuggestion_class
)
self.app = self._create_application(editing_mode, erase_when_done)

def _dyncond(self, attr_name: str) -> Condition:
Expand Down Expand Up @@ -533,7 +540,7 @@ def accept(buff: Buffer) -> bool:
def _create_search_buffer(self) -> Buffer:
return Buffer(name=SEARCH_BUFFER)

def _create_layout(self) -> Layout:
def _create_layout(self, append_autosuggestion_class) -> Layout:
"""
Create `Layout` for this prompt.
"""
Expand All @@ -559,7 +566,7 @@ def display_placeholder() -> bool:
HighlightIncrementalSearchProcessor(),
HighlightSelectionProcessor(),
ConditionalProcessor(
AppendAutoSuggestion(), has_focus(default_buffer) & ~is_done
append_autosuggestion_class(), has_focus(default_buffer) & ~is_done
),
ConditionalProcessor(PasswordProcessor(), dyncond("is_password")),
DisplayMultipleCursors(),
Expand Down
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