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"""IPython config."""
import datetime
import importlib
import sys
import IPython
from IPython.core.interactiveshell import InteractiveShell
from IPython.core.shellapp import InteractiveShellApp
from IPython.terminal.prompts import Prompts
from pygments.token import Token
from traitlets.config import Config
c: Config
c.InteractiveShell: InteractiveShell
c.InteractiveShellApp: InteractiveShellApp
class TimePrompt(Prompts):
def in_prompt_tokens(self) -> list[tuple[Token, str]]:
return [
(Token.Prompt, datetime.datetime.now().strftime("%H:%M")),
(Token.Prompt, " ["),
(Token.PromptNum, str(self.shell.execution_count)),
(Token.Prompt, "]: "),
]
def out_prompt_tokens(self) -> list[tuple[Token, str]]:
return [
(Token.OutPrompt, datetime.datetime.now().strftime("%H:%M")),
(Token.OutPrompt, " ["),
(Token.OutPromptNum, str(self.shell.execution_count)),
(Token.OutPrompt, "]: "),
]
version_parts = [f"IPython {IPython.__version__}"]
for key_library, name in (
("pandas", "pd"),
("numpy", "np"),
("numba", "nb"),
("sqlalchemy", "sa"),
("pydantic", "pydantic"),
):
try:
module = importlib.import_module(key_library)
except ModuleNotFoundError:
pass
else:
version_parts.append(f"{name} {module.__version__}")
versions = ", ".join(version_parts)
c.InteractiveShellApp.exec_lines = ["%autoreload 2"]
c.InteractiveShellApp.extensions = ["autoreload"]
c.InteractiveShell.history_length = 100_000
c.InteractiveShell.history_load_length = 100_000
c.InteractiveShell.prompts_class = TimePrompt
c.InteractiveShell.banner1 = f"Python {sys.version.split()[0]} [{versions}]\n"
c.InteractiveShell.banner2 = ""
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