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63 lines
1.8 KiB
63 lines
1.8 KiB
1 year ago
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"""
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Unopinionated display configuration.
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"""
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from __future__ import annotations
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import locale
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import sys
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from pandas._config import config as cf
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# -----------------------------------------------------------------------------
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# Global formatting options
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_initial_defencoding: str | None = None
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def detect_console_encoding() -> str:
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"""
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Try to find the most capable encoding supported by the console.
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slightly modified from the way IPython handles the same issue.
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"""
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global _initial_defencoding
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encoding = None
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try:
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encoding = sys.stdout.encoding or sys.stdin.encoding
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except (AttributeError, OSError):
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pass
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# try again for something better
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if not encoding or "ascii" in encoding.lower():
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try:
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encoding = locale.getpreferredencoding()
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except locale.Error:
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# can be raised by locale.setlocale(), which is
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# called by getpreferredencoding
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# (on some systems, see stdlib locale docs)
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pass
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# when all else fails. this will usually be "ascii"
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if not encoding or "ascii" in encoding.lower():
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encoding = sys.getdefaultencoding()
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# GH#3360, save the reported defencoding at import time
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# MPL backends may change it. Make available for debugging.
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if not _initial_defencoding:
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_initial_defencoding = sys.getdefaultencoding()
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return encoding
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pc_encoding_doc = """
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: str/unicode
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Defaults to the detected encoding of the console.
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Specifies the encoding to be used for strings returned by to_string,
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these are generally strings meant to be displayed on the console.
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"""
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with cf.config_prefix("display"):
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cf.register_option(
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"encoding", detect_console_encoding(), pc_encoding_doc, validator=cf.is_text
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)
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