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b4b8f18612
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
97 lines
3.1 KiB
Python
97 lines
3.1 KiB
Python
# Samba common functions
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#
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# Copyright (C) Matthieu Patou <mat@matws.net>
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# Copyright (C) Lumir Balhar <lbalhar@redhat.com> 2017
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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def cmp(x, y):
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"""
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Replacement for built-in function cmp that was removed in Python 3
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Compare the two objects x and y and return an integer according to
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the outcome. The return value is negative if x < y, zero if x == y
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and strictly positive if x > y.
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"""
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return (x > y) - (x < y)
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def confirm(msg, forced=False, allow_all=False):
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"""confirm an action with the user
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:param msg: A string to print to the user
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:param forced: Are the answer forced
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"""
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if forced:
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print("%s [YES]" % msg)
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return True
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mapping = {
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'Y': True,
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'YES': True,
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'': False,
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'N': False,
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'NO': False,
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}
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prompt = '[y/N]'
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if allow_all:
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mapping['ALL'] = 'ALL'
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mapping['NONE'] = 'NONE'
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prompt = '[y/N/all/none]'
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while True:
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v = input(msg + ' %s ' % prompt)
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v = v.upper()
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if v in mapping:
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return mapping[v]
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print("Unknown response '%s'" % v)
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def normalise_int32(ivalue):
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"""normalise a ldap integer to signed 32 bit"""
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if int(ivalue) & 0x80000000 and int(ivalue) > 0:
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return str(int(ivalue) - 0x100000000)
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return str(ivalue)
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# Sometimes we have variables whose content can be 'bytes' or
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# 'str' and we can't be sure which. Generally this is because the
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# code variable can be initialised (or reassigned) a value from different
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# api(s) or functions depending on complex conditions or logic.
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# If a 'str' object is passed in it is encoded using 'utf8' or if 'bytes'
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# is passed in it is returned unchanged.
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def get_bytes(bytesorstring):
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tmp = bytesorstring
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if isinstance(bytesorstring, str):
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tmp = bytesorstring.encode('utf8')
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elif not isinstance(bytesorstring, bytes):
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raise ValueError('Expected bytes or string for %s:%s' % (type(bytesorstring), bytesorstring))
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return tmp
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# helper function to get a string from a variable that maybe 'str' or
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# 'bytes' if 'bytes' then it is decoded using 'utf8'. If 'str' is passed
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# it is returned unchanged
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def get_string(bytesorstring):
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tmp = bytesorstring
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if isinstance(bytesorstring, bytes):
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tmp = bytesorstring.decode('utf8')
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elif not isinstance(bytesorstring, str):
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raise ValueError('Expected bytes or string for %s:%s' % (type(bytesorstring), bytesorstring))
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return tmp
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