文件操作 - ordereddict.py

文件: /usr/local/src/netdata/collectors/python.d.plugin/python_modules/third_party/ordereddict.py

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# Copyright (c) 2009 Raymond Hettinger
#
# SPDX-License-Identifier: MIT

from UserDict import DictMixin

class OrderedDict(dict, DictMixin):

def __init__(self, *args, **kwds):
        if len(args) > 1:
            raise TypeError('expected at most 1 arguments, got %d' % len(args))
        try:
            self.__end
        except AttributeError:
            self.clear()
        self.update(*args, **kwds)

def clear(self):
        self.__end = end = []
        end += [None, end, end]         # sentinel node for doubly linked list
        self.__map = {}                 # key --> [key, prev, next]
        dict.clear(self)

def __setitem__(self, key, value):
        if key not in self:
            end = self.__end
            curr = end[1]
            curr[2] = end[1] = self.__map[key] = [key, curr, end]
        dict.__setitem__(self, key, value)

def __delitem__(self, key):
        dict.__delitem__(self, key)
        key, prev, next = self.__map.pop(key)
        prev[2] = next
        next[1] = prev

def __iter__(self):
        end = self.__end
        curr = end[2]
        while curr is not end:
            yield curr[0]
            curr = curr[2]

def __reversed__(self):
        end = self.__end
        curr = end[1]
        while curr is not end:
            yield curr[0]
            curr = curr[1]

def popitem(self, last=True):
        if not self:
            raise KeyError('dictionary is empty')
        if last:
            key = reversed(self).next()
        else:
            key = iter(self).next()
        value = self.pop(key)
        return key, value

def __reduce__(self):
        items = [[k, self[k]] for k in self]
        tmp = self.__map, self.__end
        del self.__map, self.__end
        inst_dict = vars(self).copy()
        self.__map, self.__end = tmp
        if inst_dict:
            return self.__class__, (items,), inst_dict
        return self.__class__, (items,)

def keys(self):
        return list(self)

setdefault = DictMixin.setdefault
    update = DictMixin.update
    pop = DictMixin.pop
    values = DictMixin.values
    items = DictMixin.items
    iterkeys = DictMixin.iterkeys
    itervalues = DictMixin.itervalues
    iteritems = DictMixin.iteritems

def __repr__(self):
        if not self:
            return '%s()' % (self.__class__.__name__,)
        return '%s(%r)' % (self.__class__.__name__, self.items())

def copy(self):
        return self.__class__(self)

@classmethod
    def fromkeys(cls, iterable, value=None):
        d = cls()
        for key in iterable:
            d[key] = value
        return d

def __eq__(self, other):
        if isinstance(other, OrderedDict):
            if len(self) != len(other):
                return False
            for p, q in zip(self.items(), other.items()):
                if p != q:
                    return False
            return True
        return dict.__eq__(self, other)

def __ne__(self, other):
        return not self == other

文件操作 - ordereddict.py

文件: /usr/local/src/netdata/collectors/python.d.plugin/python_modules/third_party/ordereddict.py

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