/usr/lib/python2.7/dist-packages/pyeclib/utils.py is in python-pyeclib 1.3.1-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | # Copyright (c) 2013, 2014, Kevin Greenan (kmgreen2@gmail.com)
# Copyright (c) 2014, Tushar Gohad (tusharsg@gmail.com)
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution. THIS SOFTWARE IS
# PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
# NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import sys
import traceback
def positive_int_value(param):
# Returns value as a positive int or raises ValueError otherwise
try:
value = int(param)
assert value > 0
except (TypeError, ValueError, AssertionError):
# Handle: TypeError for 'None', ValueError for non-int strings
# and AssertionError for values <= 0
raise ValueError('Must be an integer > 0, not "%s".' % param)
return value
def import_class(import_str):
"""
Returns a class from a string that specifies a module and/or class
:param import_str: import path, e.g. 'httplib.HTTPConnection'
:returns imported object
:raises: ImportedError if the class does not exist or the path is invalid
"""
(mod_str, separator, class_str) = import_str.rpartition('.')
try:
__import__(mod_str)
return getattr(sys.modules[mod_str], class_str)
except (ValueError, AttributeError):
raise ImportError('Class %s cannot be found (%)' %
(class_str,
traceback.format_exception(*sys.exc_info())))
def create_instance(import_str, *args, **kwargs):
"""
Returns instance of class which imported by import path.
:param import_str: import path of class
:param \*args: indexed arguments for new instance
:param \*\*kwargs: keyword arguments for new instance
:returns: instance of imported class which instantiated with
arguments *args and **kwargs
"""
try:
object_class = import_class(import_str)
except Exception:
raise
instance = object_class(*args, **kwargs)
return instance
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