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Unified Diff: third_party/google-endpoints/past/types/olddict.py

Issue 2666783008: Add google-endpoints to third_party/. (Closed)
Patch Set: Created 3 years, 11 months ago
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Index: third_party/google-endpoints/past/types/olddict.py
diff --git a/third_party/google-endpoints/past/types/olddict.py b/third_party/google-endpoints/past/types/olddict.py
new file mode 100644
index 0000000000000000000000000000000000000000..b213e28fa9cd9ebf10ac26c334cb832a3d05e5ae
--- /dev/null
+++ b/third_party/google-endpoints/past/types/olddict.py
@@ -0,0 +1,97 @@
+"""
+A dict subclass for Python 3 that behaves like Python 2's dict
+
+Example use:
+
+>>> from past.builtins import dict
+>>> d1 = dict() # instead of {} for an empty dict
+>>> d2 = dict(key1='value1', key2='value2')
+
+The keys, values and items methods now return lists on Python 3.x and there are
+methods for iterkeys, itervalues, iteritems, and viewkeys etc.
+
+>>> for d in (d1, d2):
+... assert isinstance(d.keys(), list)
+... assert isinstance(d.values(), list)
+... assert isinstance(d.items(), list)
+"""
+
+import sys
+
+from past.utils import with_metaclass
+
+
+_builtin_dict = dict
+ver = sys.version_info[:2]
+
+
+class BaseOldDict(type):
+ def __instancecheck__(cls, instance):
+ return isinstance(instance, _builtin_dict)
+
+
+class olddict(with_metaclass(BaseOldDict, _builtin_dict)):
+ """
+ A backport of the Python 3 dict object to Py2
+ """
+ iterkeys = _builtin_dict.keys
+ viewkeys = _builtin_dict.keys
+
+ def keys(self):
+ return list(super(olddict, self).keys())
+
+ itervalues = _builtin_dict.values
+ viewvalues = _builtin_dict.values
+
+ def values(self):
+ return list(super(olddict, self).values())
+
+ iteritems = _builtin_dict.items
+ viewitems = _builtin_dict.items
+
+ def items(self):
+ return list(super(olddict, self).items())
+
+ def has_key(self, k):
+ """
+ D.has_key(k) -> True if D has a key k, else False
+ """
+ return k in self
+
+ # def __new__(cls, *args, **kwargs):
+ # """
+ # dict() -> new empty dictionary
+ # dict(mapping) -> new dictionary initialized from a mapping object's
+ # (key, value) pairs
+ # dict(iterable) -> new dictionary initialized as if via:
+ # d = {}
+ # for k, v in iterable:
+ # d[k] = v
+ # dict(**kwargs) -> new dictionary initialized with the name=value pairs
+ # in the keyword argument list. For example: dict(one=1, two=2)
+
+ # """
+ #
+ # if len(args) == 0:
+ # return super(olddict, cls).__new__(cls)
+ # # Was: elif isinstance(args[0], newbytes):
+ # # We use type() instead of the above because we're redefining
+ # # this to be True for all unicode string subclasses. Warning:
+ # # This may render newstr un-subclassable.
+ # elif type(args[0]) == olddict:
+ # return args[0]
+ # # elif isinstance(args[0], _builtin_dict):
+ # # value = args[0]
+ # else:
+ # value = args[0]
+ # return super(olddict, cls).__new__(cls, value)
+
+ def __native__(self):
+ """
+ Hook for the past.utils.native() function
+ """
+ return super(oldbytes, self)
+
+
+__all__ = ['olddict']
+
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