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26 lines
604 B
Python
26 lines
604 B
Python
# Copyright (c) 2010-2021 openpyxl
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from datetime import datetime
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from math import isnan, isinf
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import sys
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VER = sys.version_info
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from .numbers import NUMERIC_TYPES
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def safe_string(value):
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"""Safely and consistently format numeric values"""
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if isinstance(value, NUMERIC_TYPES):
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if isnan(value) or isinf(value):
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value = ""
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else:
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value = "%.16g" % value
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elif value is None:
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value = "none"
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elif isinstance(value, datetime):
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value = value.isoformat()
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elif not isinstance(value, str):
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value = str(value)
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return value
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