/usr/lib/python2.7/dist-packages/parsec/OrderedDict.py is in python-cylc 7.6.0-1.
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 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | #!/usr/bin/env python
# THIS FILE IS PART OF THE CYLC SUITE ENGINE.
# Copyright (C) 2008-2017 NIWA
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
"""Ordered Dictionary data structure used extensively in cylc."""
try:
# Python 2.7+ native.
from collections import OrderedDict
except ImportError:
# Pre-2.7 backport from ActiveState, packaged with Parsec.
from OrderedDictCompat import OrderedDict
class OrderedDictWithDefaults(OrderedDict):
"""Subclass to provide defaults fetching capability.
Note that defining a '__missing__' method would work for foo[key],
but doesn't for foo.get(key).
"""
def __init__(self, *args, **kwargs):
"""Allow a defaults argument."""
self._allow_contains_default = True
super(OrderedDictWithDefaults, self).__init__(*args, **kwargs)
def __getitem__(self, key):
"""Override to look in our special defaults attribute, if it exists."""
try:
return OrderedDict.__getitem__(self, key)
except KeyError:
if hasattr(self, 'defaults_'):
return self.defaults_[key]
raise
def __setitem__(self, *args, **kwargs):
"""Make sure that we don't set the default value!"""
self._allow_contains_default = False
return_value = OrderedDict.__setitem__(self, *args, **kwargs)
self._allow_contains_default = True
return return_value
def keys(self):
"""Include the default keys, after the list of actually-set ones."""
keys = list(self)
for key in getattr(self, 'defaults_', []):
if key not in keys:
keys.append(key)
return keys
def values(self):
"""Return a list of values, including default ones."""
return [self[key] for key in self.keys()]
def items(self):
"""Return key-value pairs, including default ones."""
return [(key, self[key]) for key in self.keys()]
def iterkeys(self):
"""Include default keys - no memory saving over .keys()."""
for k in self.keys():
yield k
def itervalues(self):
"""Include default values - no memory saving over .values()."""
for k in self.keys():
yield self[k]
def iteritems(self):
"""Include default key-value pairs - no memory saving over .items()"""
for k in self.keys():
yield (k, self[k])
def __contains__(self, key):
if self._allow_contains_default:
if key in getattr(self, "defaults_", {}):
return True
return OrderedDict.__contains__(self, key)
def __nonzero__(self):
"""Include any default keys in the nonzero calculation."""
return bool(self.keys())
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