77 lines
1.7 KiB
Python
77 lines
1.7 KiB
Python
import os, re
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SIZE_UNITS = dict(
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b = 1024**0,
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k = 1024**1,
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m = 1024**2,
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g = 1024**3,
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t = 1024**4,
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)
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def parse_size(s):
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try:
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return int(s)
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except ValueError:
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pass
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for i in SIZE_UNITS.keys():
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if s.endswith(i):
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try:
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return int(s[:-1]) * SIZE_UNITS[i]
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except ValueError:
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break
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raise ValueError("Invalid size specification.")
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def get_header(val, headers):
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"""
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Header keys may be Values, so we have to "generate" them as we try the match.
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"""
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for k, v in headers:
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if len(k) == len(val) and k[:].lower() == val:
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return v
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return None
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def parse_anchor_spec(s):
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"""
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Return a tuple, or None on error.
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"""
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if not "=" in s:
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return None
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return tuple(s.split("=", 1))
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def xrepr(s):
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return repr(s)[1:-1]
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def escape_unprintables(s):
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s = s.replace("\r\n", "PATHOD_MARKER_RN")
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s = s.replace("\n", "PATHOD_MARKER_N")
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s = repr(s)[1:-1]
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s = s.replace("PATHOD_MARKER_RN", "\n")
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s = s.replace("PATHOD_MARKER_N", "\n")
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return s
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class Data:
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def __init__(self, name):
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m = __import__(name)
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dirname, _ = os.path.split(m.__file__)
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self.dirname = os.path.abspath(dirname)
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def path(self, path):
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"""
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Returns a path to the package data housed at 'path' under this
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module.Path can be a path to a file, or to a directory.
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This function will raise ValueError if the path does not exist.
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"""
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fullpath = os.path.join(self.dirname, path)
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if not os.path.exists(fullpath):
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raise ValueError, "dataPath: %s does not exist."%fullpath
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return fullpath
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data = Data(__name__)
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