/usr/share/pyshared/zope/server/utilities.py is in python-zope.server 3.8.6-0ubuntu1.
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#
# Copyright (c) 2004 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Server utility functions
"""
def find_double_newline(s):
"""Returns the position just after a double newline in the given string."""
pos1 = s.find('\n\r\n') # One kind of double newline
if pos1 >= 0:
pos1 += 3
pos2 = s.find('\n\n') # Another kind of double newline
if pos2 >= 0:
pos2 += 2
if pos1 >= 0:
if pos2 >= 0:
return min(pos1, pos2)
else:
return pos1
else:
return pos2
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