/usr/lib/python3/dist-packages/pytils/utils.py is in python3-pytils 0.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- test-case-name: pytils.test.test_utils -*-
"""
Misc utils for internal use
"""
from pytils.third import six
def check_length(value, length):
"""
Checks length of value
@param value: value to check
@type value: C{str}
@param length: length checking for
@type length: C{int}
@return: None when check successful
@raise ValueError: check failed
"""
_length = len(value)
if _length != length:
raise ValueError("length must be %d, not %d" % \
(length, _length))
def check_positive(value, strict=False):
"""
Checks if variable is positive
@param value: value to check
@type value: C{integer types}, C{float} or C{Decimal}
@return: None when check successful
@raise ValueError: check failed
"""
if not strict and value < 0:
raise ValueError("Value must be positive or zero, not %s" % str(value))
if strict and value <= 0:
raise ValueError("Value must be positive, not %s" % str(value))
def split_values(ustring, sep=u','):
"""
Splits unicode string with separator C{sep},
but skips escaped separator.
@param ustring: string to split
@type ustring: C{unicode}
@param sep: separator (default to u',')
@type sep: C{unicode}
@return: tuple of splitted elements
"""
assert isinstance(ustring, six.text_type), "uvalue must be unicode, not %s" % type(ustring)
# unicode have special mark symbol 0xffff which cannot be used in a regular text,
# so we use it to mark a place where escaped column was
ustring_marked = ustring.replace(u'\,', u'\uffff')
items = tuple([i.strip().replace(u'\uffff', u',') for i in ustring_marked.split(sep)])
return items
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