add readline module (#448)

stdlib/2and3/readline.pyi

@@ -0,0 +1,41 @@
+# Stubs for readline
+
+from typing import Callable, Optional, Sequence
+import sys
+
+_CompleterT = Optional[Callable[[str, int], Optional[str]]]
+_CompDispT = Optional[Callable[[str, Sequence[str], int], None]]
+
+
+def parse_and_bind(string: str) -> None: ...
+def read_init_file(filename: str = ...) -> None: ...
+
+def get_line_buffer() -> str: ...
+def insert_text(string: str) -> None: ...
+def redisplay() -> None: ...
+
+def read_history_file(filename: str = ...) -> None: ...
+def write_history_file(filename: str = ...) -> None: ...
+if sys.version_info >= (3, 5):
+    def append_history_file(nelements: int, filename: str = ...) -> None: ...
+def get_history_length() -> int: ...
+def set_history_length(length: int) -> None: ...
+
+def clear_history() -> None: ...
+def get_current_history_length() -> int: ...
+def get_history_item(index: int) -> str: ...
+def remove_history_item(pos: int) -> None: ...
+def replace_history_item(pos: int, line: str) -> None: ...
+def add_history(string: str) -> None: ...
+
+def set_startup_hook(function: Optional[Callable[[], None]] = ...) -> None: ...
+def set_pre_input_hook(function: Optional[Callable[[], None]] = ...) -> None: ...
+
+def set_completer(function: _CompleterT = ...) -> None: ...
+def get_completer() -> _CompleterT: ...
+def get_completion_type() -> int: ...
+def get_begidx() -> int: ...
+def get_endidx() -> int: ...
+def set_completer_delims(string: str) -> None: ...
+def get_completer_delims() -> str: ...
+def set_completion_display_matches_hook(function: _CompDispT = ...) -> None: ...