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import sys |
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from nemo.constants import NEMO_ENV_VARNAME_ENABLE_COLORING |
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from nemo.utils.env_var_parsing import get_envbool |
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__all__ = ["check_color_support", "to_unicode"] |
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def check_color_support(): |
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if not sys.platform.lower().startswith("win") and get_envbool(NEMO_ENV_VARNAME_ENABLE_COLORING, False): |
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return True |
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def to_unicode(value): |
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""" |
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Converts a string argument to a unicode string. |
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If the argument is already a unicode string or None, it is returned |
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unchanged. Otherwise it must be a byte string and is decoded as utf8. |
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""" |
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try: |
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if isinstance(value, (str, type(None))): |
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return value |
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if not isinstance(value, bytes): |
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raise TypeError("Expected bytes, unicode, or None; got %r" % type(value)) |
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return value.decode("utf-8") |
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except UnicodeDecodeError: |
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return repr(value) |
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