84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
# -*- test-case-name: twisted.conch.test.test_cftp -*-
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# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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import array
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import stat
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from time import time, strftime, localtime
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from twisted.python.compat import _PY3
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# Locale-independent month names to use instead of strftime's
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_MONTH_NAMES = dict(list(zip(
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list(range(1, 13)),
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"Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec".split())))
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def lsLine(name, s):
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"""
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Build an 'ls' line for a file ('file' in its generic sense, it
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can be of any type).
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"""
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mode = s.st_mode
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perms = array.array('B', b'-'*10)
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ft = stat.S_IFMT(mode)
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if stat.S_ISDIR(ft): perms[0] = ord('d')
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elif stat.S_ISCHR(ft): perms[0] = ord('c')
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elif stat.S_ISBLK(ft): perms[0] = ord('b')
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elif stat.S_ISREG(ft): perms[0] = ord('-')
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elif stat.S_ISFIFO(ft): perms[0] = ord('f')
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elif stat.S_ISLNK(ft): perms[0] = ord('l')
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elif stat.S_ISSOCK(ft): perms[0] = ord('s')
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else: perms[0] = ord('!')
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# User
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if mode&stat.S_IRUSR:perms[1] = ord('r')
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if mode&stat.S_IWUSR:perms[2] = ord('w')
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if mode&stat.S_IXUSR:perms[3] = ord('x')
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# Group
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if mode&stat.S_IRGRP:perms[4] = ord('r')
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if mode&stat.S_IWGRP:perms[5] = ord('w')
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if mode&stat.S_IXGRP:perms[6] = ord('x')
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# Other
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if mode&stat.S_IROTH:perms[7] = ord('r')
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if mode&stat.S_IWOTH:perms[8] = ord('w')
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if mode&stat.S_IXOTH:perms[9] = ord('x')
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# Suid/sgid
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if mode&stat.S_ISUID:
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if perms[3] == ord('x'): perms[3] = ord('s')
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else: perms[3] = ord('S')
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if mode&stat.S_ISGID:
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if perms[6] == ord('x'): perms[6] = ord('s')
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else: perms[6] = ord('S')
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if _PY3:
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if isinstance(name, bytes):
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name = name.decode("utf-8")
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lsPerms = perms.tobytes()
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lsPerms = lsPerms.decode("utf-8")
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else:
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lsPerms = perms.tostring()
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lsresult = [
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lsPerms,
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str(s.st_nlink).rjust(5),
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' ',
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str(s.st_uid).ljust(9),
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str(s.st_gid).ljust(9),
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str(s.st_size).rjust(8),
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' ',
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]
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# Need to specify the month manually, as strftime depends on locale
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ttup = localtime(s.st_mtime)
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sixmonths = 60 * 60 * 24 * 7 * 26
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if s.st_mtime + sixmonths < time(): # Last edited more than 6mo ago
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strtime = strftime("%%s %d %Y ", ttup)
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else:
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strtime = strftime("%%s %d %H:%M ", ttup)
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lsresult.append(strtime % (_MONTH_NAMES[ttup[1]],))
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lsresult.append(name)
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return ''.join(lsresult)
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__all__ = ['lsLine']
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