Limit number of completions to 5k (for performance).

examples/asyncio-python-embed.py

@@ -11,6 +11,7 @@
 to stdout, it won't break the input line, but instead writes nicely above the
 prompt.
 """
+
 import asyncio
 
 from ptpython.repl import embed

examples/asyncio-ssh-python-embed.py

@@ -5,6 +5,7 @@
 
 Run this example and then SSH to localhost, port 8222.
 """
+
 import asyncio
 import logging
 

examples/ptpython_config/config.py

@@ -5,6 +5,7 @@
 On Linux, this is: ~/.config/ptpython/config.py
 On macOS, this is: ~/Library/Application Support/ptpython/config.py
 """
+
 from prompt_toolkit.filters import ViInsertMode
 from prompt_toolkit.key_binding.key_processor import KeyPress
 from prompt_toolkit.keys import Keys

examples/python-embed-with-custom-prompt.py

@@ -2,6 +2,7 @@
 """
 Example of embedding a Python REPL, and setting a custom prompt.
 """
+
 from prompt_toolkit.formatted_text import HTML, AnyFormattedText
 
 from ptpython.prompt_style import PromptStyle

examples/python-embed.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
-"""
-"""
+""" """
+
 from ptpython.repl import embed
 
 

examples/python-input.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
-"""
-"""
+""" """
+
 from ptpython.python_input import PythonInput
 
 

examples/test-cases/ptpython-in-other-thread.py

@@ -5,6 +5,7 @@
 (For testing whether it's working fine if it's not embedded in the main
 thread.)
 """
+
 import threading
 
 from ptpython.repl import embed

ptpython/__main__.py

@@ -1,6 +1,7 @@
 """
 Make `python -m ptpython` an alias for running `./ptpython`.
 """
+
 from __future__ import annotations
 
 from .entry_points.run_ptpython import run

ptpython/completer.py

@@ -6,6 +6,7 @@
 import keyword
 import re
 from enum import Enum
+from itertools import islice
 from typing import TYPE_CHECKING, Any, Callable, Iterable
 
 from prompt_toolkit.completion import (
@@ -617,7 +618,10 @@ def __init__(
     def get_completions(
         self, document: Document, complete_event: CompleteEvent
     ) -> Iterable[Completion]:
-        completions = list(self.completer.get_completions(document, complete_event))
+        completions = list(
+            # Limit at 5k completions for performance.
+            islice(self.completer.get_completions(document, complete_event), 0, 5000)
+        )
         complete_private_attributes = self.complete_private_attributes()
         hide_private = False
 

ptpython/contrib/asyncssh_repl.py

@@ -6,6 +6,7 @@
 should make sure not to use Python 3-only syntax, because this
 package should be installable in Python 2 as well!
 """
+
 from __future__ import annotations
 
 import asyncio

ptpython/entry_points/run_ptpython.py

@@ -22,6 +22,7 @@
   PTPYTHON_CONFIG_HOME: a configuration directory to use
   PYTHONSTARTUP: file executed on interactive startup (no default)
 """
+
 from __future__ import annotations
 
 import argparse

ptpython/eventloop.py

@@ -7,6 +7,7 @@
 in readline. ``prompt-toolkit`` doesn't understand that input hook, but this
 will fix it for Tk.)
 """
+
 from __future__ import annotations
 
 import sys

ptpython/history_browser.py

@@ -4,6 +4,7 @@
 `create_history_application` creates an `Application` instance that runs will
 run as a sub application of the Repl/PythonInput.
 """
+
 from __future__ import annotations
 
 from functools import partial
@@ -410,7 +411,7 @@ def __init__(
 
         if len(history_strings) > HISTORY_COUNT:
             history_lines[0] = (
-                "# *** History has been truncated to %s lines ***" % HISTORY_COUNT
+                f"# *** History has been truncated to {HISTORY_COUNT} lines ***"
             )
 
         self.history_lines = history_lines

ptpython/ipython.py

@@ -8,6 +8,7 @@
 offer.
 
 """
+
 from __future__ import annotations
 
 from typing import Iterable
@@ -156,7 +157,7 @@ def get_completions(
 
         for m in sorted(self.magics_manager.magics["line"]):
             if m.startswith(text):
-                yield Completion("%s" % m, -len(text))
+                yield Completion(f"{m}", -len(text))
 
 
 class AliasCompleter(Completer):
@@ -172,7 +173,7 @@ def get_completions(
 
         for a, cmd in sorted(aliases, key=lambda a: a[0]):
             if a.startswith(text):
-                yield Completion("%s" % a, -len(text), display_meta=cmd)
+                yield Completion(f"{a}", -len(text), display_meta=cmd)
 
 
 class IPythonInput(PythonInput):
@@ -279,9 +280,8 @@ def initialize_extensions(shell, extensions):
                 shell.extension_manager.load_extension(ext)
             except:
                 warn(
-                    "Error in loading extension: %s" % ext
-                    + "\nCheck your config files in %s"
-                    % ipy_utils.path.get_ipython_dir()
+                    f"Error in loading extension: {ext}"
+                    + f"\nCheck your config files in {ipy_utils.path.get_ipython_dir()}"
                 )
                 shell.showtraceback()
 

ptpython/layout.py

@@ -1,6 +1,7 @@
 """
 Creation of the `Layout` instance for the Python input/REPL.
 """
+
 from __future__ import annotations
 
 import platform
@@ -131,7 +132,7 @@ def goto_next(mouse_event: MouseEvent) -> None:
             tokens.append(("class:sidebar" + sel, " >" if selected else "  "))
             tokens.append(("class:sidebar.label" + sel, "%-24s" % label, select_item))
             tokens.append(("class:sidebar.status" + sel, " ", select_item))
-            tokens.append(("class:sidebar.status" + sel, "%s" % status, goto_next))
+            tokens.append(("class:sidebar.status" + sel, f"{status}", goto_next))
 
             if selected:
                 tokens.append(("[SetCursorPosition]", ""))
@@ -528,7 +529,7 @@ def create_exit_confirmation(
     def get_text_fragments() -> StyleAndTextTuples:
         # Show "Do you really want to exit?"
         return [
-            (style, "\n %s ([y]/n) " % python_input.exit_message),
+            (style, f"\n {python_input.exit_message} ([y]/n) "),
             ("[SetCursorPosition]", ""),
             (style, "  \n"),
         ]

ptpython/prompt_style.py

@@ -48,7 +48,7 @@ def __init__(self, python_input: PythonInput) -> None:
     def in_prompt(self) -> AnyFormattedText:
         return [
             ("class:in", "In ["),
-            ("class:in.number", "%s" % self.python_input.current_statement_index),
+            ("class:in.number", f"{self.python_input.current_statement_index}"),
             ("class:in", "]: "),
         ]
 
@@ -58,7 +58,7 @@ def in2_prompt(self, width: int) -> AnyFormattedText:
     def out_prompt(self) -> AnyFormattedText:
         return [
             ("class:out", "Out["),
-            ("class:out.number", "%s" % self.python_input.current_statement_index),
+            ("class:out.number", f"{self.python_input.current_statement_index}"),
             ("class:out", "]:"),
             ("", " "),
         ]

ptpython/python_input.py

@@ -2,6 +2,7 @@
 Application for reading Python input.
 This can be used for creation of Python REPLs.
 """
+
 from __future__ import annotations
 
 from asyncio import get_running_loop
@@ -98,8 +99,7 @@
     class _SupportsLessThan(Protocol):
         # Taken from typeshed. _T_lt is used by "sorted", which needs anything
         # sortable.
-        def __lt__(self, __other: Any) -> bool:
-            ...
+        def __lt__(self, __other: Any) -> bool: ...
 
 
 _T_lt = TypeVar("_T_lt", bound="_SupportsLessThan")
@@ -347,14 +347,6 @@ def __init__(
             "classic": ClassicPrompt(),
         }
 
-        self.get_input_prompt = lambda: self.all_prompt_styles[
-            self.prompt_style
-        ].in_prompt()
-
-        self.get_output_prompt = lambda: self.all_prompt_styles[
-            self.prompt_style
-        ].out_prompt()
-
         #: Load styles.
         self.code_styles: dict[str, BaseStyle] = get_all_code_styles()
         self.ui_styles = get_all_ui_styles()
@@ -425,6 +417,12 @@ def __init__(
         else:
             self._app = None
 
+    def get_input_prompt(self) -> AnyFormattedText:
+        return self.all_prompt_styles[self.prompt_style].in_prompt()
+
+    def get_output_prompt(self) -> AnyFormattedText:
+        return self.all_prompt_styles[self.prompt_style].out_prompt()
+
     def _accept_handler(self, buff: Buffer) -> bool:
         app = get_app()
         app.exit(result=buff.text)
@@ -880,18 +878,18 @@ def get_values() -> dict[str, Callable[[], bool]]:
                     Option(
                         title="Min brightness",
                         description="Minimum brightness for the color scheme (default=0.0).",
-                        get_current_value=lambda: "%.2f" % self.min_brightness,
+                        get_current_value=lambda: f"{self.min_brightness:.2f}",
                         get_values=lambda: {
-                            "%.2f" % value: partial(self._set_min_brightness, value)
+                            f"{value:.2f}": partial(self._set_min_brightness, value)
                             for value in brightness_values
                         },
                     ),
                     Option(
                         title="Max brightness",
                         description="Maximum brightness for the color scheme (default=1.0).",
-                        get_current_value=lambda: "%.2f" % self.max_brightness,
+                        get_current_value=lambda: f"{self.max_brightness:.2f}",
                         get_values=lambda: {
-                            "%.2f" % value: partial(self._set_max_brightness, value)
+                            f"{value:.2f}": partial(self._set_max_brightness, value)
                             for value in brightness_values
                         },
                     ),

ptpython/repl.py

@@ -7,6 +7,7 @@
     embed(globals(), locals(), vi_mode=False)
 
 """
+
 from __future__ import annotations
 
 import asyncio
@@ -18,7 +19,8 @@
 import types
 import warnings
 from dis import COMPILER_FLAG_NAMES
-from typing import Any, Callable, ContextManager, Iterable
+from pathlib import Path
+from typing import Any, Callable, ContextManager, Iterable, Sequence
 
 from prompt_toolkit.formatted_text import OneStyleAndTextTuple
 from prompt_toolkit.patch_stdout import patch_stdout as patch_stdout_context
@@ -63,7 +65,7 @@ def _has_coroutine_flag(code: types.CodeType) -> bool:
 
 class PythonRepl(PythonInput):
     def __init__(self, *a, **kw) -> None:
-        self._startup_paths = kw.pop("startup_paths", None)
+        self._startup_paths: Sequence[str | Path] | None = kw.pop("startup_paths", None)
         super().__init__(*a, **kw)
         self._load_start_paths()
 
@@ -347,7 +349,7 @@ def _store_eval_result(self, result: object) -> None:
     def get_compiler_flags(self) -> int:
         return super().get_compiler_flags() | PyCF_ALLOW_TOP_LEVEL_AWAIT
 
-    def _compile_with_flags(self, code: str, mode: str):
+    def _compile_with_flags(self, code: str, mode: str) -> Any:
         "Compile code with the right compiler flags."
         return compile(
             code,
@@ -458,13 +460,13 @@ def enter_to_continue() -> None:
 
 
 def embed(
-    globals=None,
-    locals=None,
+    globals: dict[str, Any] | None = None,
+    locals: dict[str, Any] | None = None,
     configure: Callable[[PythonRepl], None] | None = None,
     vi_mode: bool = False,
     history_filename: str | None = None,
     title: str | None = None,
-    startup_paths=None,
+    startup_paths: Sequence[str | Path] | None = None,
     patch_stdout: bool = False,
     return_asyncio_coroutine: bool = False,
 ) -> None:
@@ -493,10 +495,10 @@ def embed(
 
     locals = locals or globals
 
-    def get_globals():
+    def get_globals() -> dict[str, Any]:
         return globals
 
-    def get_locals():
+    def get_locals() -> dict[str, Any]:
         return locals
 
     # Create REPL.

ptpython/signatures.py

@@ -5,6 +5,7 @@
 Either with the Jedi library, or using `inspect.signature` if Jedi fails and we
 can use `eval()` to evaluate the function object.
 """
+
 from __future__ import annotations
 
 import inspect

ptpython/utils.py

@@ -1,6 +1,7 @@
 """
 For internal use only.
 """
+
 from __future__ import annotations
 
 import re

ptpython/validator.py

@@ -59,4 +59,4 @@ def validate(self, document: Document) -> None:
         except ValueError as e:
             # In Python 2, compiling "\x9" (an invalid escape sequence) raises
             # ValueError instead of SyntaxError.
-            raise ValidationError(0, "Syntax Error: %s" % e)
+            raise ValidationError(0, f"Syntax Error: {e}")

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.ruff]
 target-version = "py37"
-select = [
+lint.select = [
     "E",  # pycodestyle errors
     "W",  # pycodestyle warnings
     "F",  # pyflakes
@@ -12,14 +12,14 @@ select = [
     "RUF100",  # unused-noqa
     "Q", # quotes
 ]
-ignore = [
+lint.ignore = [
     "E501",  # Line too long, handled by black
     "C901",  # Too complex
     "E722",  # bare except.
 ]
 
 
-[tool.ruff.per-file-ignores]
+[tool.ruff.lint.per-file-ignores]
 "examples/*" = ["T201"]  # Print allowed in examples.
 "examples/ptpython_config/config.py" = ["F401"]  # Unused imports in config.
 "ptpython/entry_points/run_ptipython.py" = ["T201", "F401"] # Print, import usage.
@@ -30,6 +30,6 @@ ignore = [
 "tests/run_tests.py" = ["F401"]  # Unused imports.
 
 
-[tool.ruff.isort]
+[tool.ruff.lint.isort]
 known-first-party = ["ptpython"]
 known-third-party = ["prompt_toolkit", "pygments", "asyncssh"]