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Direktori : /opt/alt/python38/lib/python3.8/site-packages/humanize/ |
Current File : //opt/alt/python38/lib/python3.8/site-packages/humanize/filesize.py |
"""Bits and bytes related humanization.""" suffixes = { "decimal": ("kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"), "binary": ("KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"), "gnu": "KMGTPEZY", } def naturalsize(value, binary=False, gnu=False, format="%.1f"): """Format a number of bytes like a human readable filesize (e.g. 10 kB). By default, decimal suffixes (kB, MB) are used. Non-GNU modes are compatible with jinja2's `filesizeformat` filter. Examples: ```pycon >>> naturalsize(3000000) '3.0 MB' >>> naturalsize(300, False, True) '300B' >>> naturalsize(3000, False, True) '2.9K' >>> naturalsize(3000, False, True, "%.3f") '2.930K' >>> naturalsize(3000, True) '2.9 KiB' ``` Args: value (int, float, str): Integer to convert. binary (bool): If `True`, uses binary suffixes (KiB, MiB) with base 2<sup>10</sup> instead of 10<sup>3</sup>. gnu (bool): If `True`, the binary argument is ignored and GNU-style (`ls -sh` style) prefixes are used (K, M) with the 2**10 definition. format (str): Custom formatter. Returns: str: Human readable representation of a filesize. """ if gnu: suffix = suffixes["gnu"] elif binary: suffix = suffixes["binary"] else: suffix = suffixes["decimal"] base = 1024 if (gnu or binary) else 1000 bytes = float(value) abs_bytes = abs(bytes) if abs_bytes == 1 and not gnu: return "%d Byte" % bytes elif abs_bytes < base and not gnu: return "%d Bytes" % bytes elif abs_bytes < base and gnu: return "%dB" % bytes for i, s in enumerate(suffix): unit = base ** (i + 2) if abs_bytes < unit and not gnu: return (format + " %s") % ((base * bytes / unit), s) elif abs_bytes < unit and gnu: return (format + "%s") % ((base * bytes / unit), s) if gnu: return (format + "%s") % ((base * bytes / unit), s) return (format + " %s") % ((base * bytes / unit), s)