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95 lines
2.7 KiB
95 lines
2.7 KiB
1 year ago
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"""
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Internal module for console introspection
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"""
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from __future__ import annotations
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from shutil import get_terminal_size
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def get_console_size() -> tuple[int | None, int | None]:
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"""
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Return console size as tuple = (width, height).
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Returns (None,None) in non-interactive session.
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"""
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from pandas import get_option
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display_width = get_option("display.width")
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display_height = get_option("display.max_rows")
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# Consider
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# interactive shell terminal, can detect term size
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# interactive non-shell terminal (ipnb/ipqtconsole), cannot detect term
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# size non-interactive script, should disregard term size
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# in addition
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# width,height have default values, but setting to 'None' signals
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# should use Auto-Detection, But only in interactive shell-terminal.
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# Simple. yeah.
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if in_interactive_session():
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if in_ipython_frontend():
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# sane defaults for interactive non-shell terminal
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# match default for width,height in config_init
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from pandas._config.config import get_default_val
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terminal_width = get_default_val("display.width")
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terminal_height = get_default_val("display.max_rows")
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else:
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# pure terminal
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terminal_width, terminal_height = get_terminal_size()
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else:
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terminal_width, terminal_height = None, None
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# Note if the User sets width/Height to None (auto-detection)
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# and we're in a script (non-inter), this will return (None,None)
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# caller needs to deal.
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return display_width or terminal_width, display_height or terminal_height
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# ----------------------------------------------------------------------
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# Detect our environment
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def in_interactive_session() -> bool:
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"""
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Check if we're running in an interactive shell.
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Returns
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-------
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bool
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True if running under python/ipython interactive shell.
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"""
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from pandas import get_option
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def check_main():
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try:
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import __main__ as main
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except ModuleNotFoundError:
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return get_option("mode.sim_interactive")
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return not hasattr(main, "__file__") or get_option("mode.sim_interactive")
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try:
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# error: Name '__IPYTHON__' is not defined
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return __IPYTHON__ or check_main() # type: ignore[name-defined]
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except NameError:
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return check_main()
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def in_ipython_frontend() -> bool:
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"""
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Check if we're inside an IPython zmq frontend.
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Returns
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-------
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bool
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"""
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try:
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# error: Name 'get_ipython' is not defined
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ip = get_ipython() # type: ignore[name-defined]
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return "zmq" in str(type(ip)).lower()
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except NameError:
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pass
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return False
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