/usr/lib/python3/dist-packages/plainbox/impl/unit/__init__.py is in python3-plainbox 0.25-1.
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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 | # This file is part of Checkbox.
#
# Copyright 2012-2014 Canonical Ltd.
# Written by:
# Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
"""
:mod:`plainbox.impl.unit` -- package with all of the units
==========================================================
"""
import string
from plainbox.impl.secure.plugins import PkgResourcesPlugInCollection
__all__ = ['get_accessed_parameters', 'all_unit']
def get_accessed_parameters(text):
"""
Parse a new-style python string template and return parameter names
:param text:
Text string to parse
:returns:
A frozenset() with a list of names (or indices) of accessed parameters
"""
# https://docs.python.org/3.4/library/string.html#string.Formatter.parse
#
# info[1] is the field_name (name of the referenced
# formatting field) it _may_ be None if there are no format
# parameters used
return frozenset(
info[1] for info in string.Formatter().parse(text)
if info[1] is not None)
# Collection of all unit classes
all_units = PkgResourcesPlugInCollection('plainbox.unit')
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