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This is a helper for identifying whether the var is a sequence, but is not of string-like type (optionally). Co-authored-by: Toshio Kuratomi <toshio@fedoraproject.org> Co-authored-by: Brian Coca <briancoca+dev@gmail.com> Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>
29 lines
902 B
Python
29 lines
902 B
Python
# Copyright (c), Sviatoslav Sydorenko <ssydoren@redhat.com> 2018
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# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
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"""Collection of low-level utility functions."""
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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from ..six import binary_type, text_type
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from ._collections_compat import Sequence
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def is_string(seq):
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"""Identify whether the input has a string-like type (inclding bytes)."""
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return isinstance(seq, (text_type, binary_type))
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def is_sequence(seq, include_strings=False):
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"""Identify whether the input is a sequence.
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Strings and bytes are not sequences here,
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unless ``include_string`` is ``True``.
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Non-indexable things are never of a sequence type.
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"""
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if not include_strings and is_string(seq):
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return False
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return isinstance(seq, Sequence)
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