本文整理汇总了Python中__pypy__.newlist_hint方法的典型用法代码示例。如果您正苦于以下问题：Python __pypy__.newlist_hint方法的具体用法？Python __pypy__.newlist_hint怎么用？Python __pypy__.newlist_hint使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类__pypy__的用法示例。
在下文中一共展示了__pypy__.newlist_hint方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _unpack
# 需要导入模块: import __pypy__ [as 别名]
# 或者: from __pypy__ import newlist_hint [as 别名]
def _unpack(self, execute=EX_CONSTRUCT):
typ, n, obj = self._read_header(execute)
if execute == EX_READ_ARRAY_HEADER:
if typ != TYPE_ARRAY:
raise UnpackValueError("Expected array")
return n
if execute == EX_READ_MAP_HEADER:
if typ != TYPE_MAP:
raise UnpackValueError("Expected map")
return n
# TODO should we eliminate the recursion?
if typ == TYPE_ARRAY:
if execute == EX_SKIP:
for i in xrange(n):
# TODO check whether we need to call `list_hook`
self._unpack(EX_SKIP)
return
ret = newlist_hint(n)
for i in xrange(n):
ret.append(self._unpack(EX_CONSTRUCT))
if self._list_hook is not None:
ret = self._list_hook(ret)
# TODO is the interaction between `list_hook` and `use_list` ok?
return ret if self._use_list else tuple(ret)
if typ == TYPE_MAP:
if execute == EX_SKIP:
for i in xrange(n):
# TODO check whether we need to call hooks
self._unpack(EX_SKIP)
self._unpack(EX_SKIP)
return
if self._object_pairs_hook is not None:
ret = self._object_pairs_hook(
(self._unpack(EX_CONSTRUCT),
self._unpack(EX_CONSTRUCT))
for _ in xrange(n))
else:
ret = {}
for _ in xrange(n):
key = self._unpack(EX_CONSTRUCT)
ret[key] = self._unpack(EX_CONSTRUCT)
if self._object_hook is not None:
ret = self._object_hook(ret)
return ret
if execute == EX_SKIP:
return
if typ == TYPE_RAW:
if self._encoding is not None:
obj = obj.decode(self._encoding, self._unicode_errors)
elif self._raw:
obj = bytes(obj)
else:
obj = obj.decode('utf_8')
return obj
if typ == TYPE_EXT:
return self._ext_hook(n, bytes(obj))
if typ == TYPE_BIN:
return bytes(obj)
assert typ == TYPE_IMMEDIATE
return obj 示例2: _fb_unpack
# 需要导入模块: import __pypy__ [as 别名]
# 或者: from __pypy__ import newlist_hint [as 别名]
def _fb_unpack(self, execute=EX_CONSTRUCT, write_bytes=None):
typ, n, obj = self._read_header(execute, write_bytes)
if execute == EX_READ_ARRAY_HEADER:
if typ != TYPE_ARRAY:
raise UnpackValueError("Expected array")
return n
if execute == EX_READ_MAP_HEADER:
if typ != TYPE_MAP:
raise UnpackValueError("Expected map")
return n
# TODO should we eliminate the recursion?
if typ == TYPE_ARRAY:
if execute == EX_SKIP:
for i in xrange(n):
# TODO check whether we need to call `list_hook`
self._fb_unpack(EX_SKIP, write_bytes)
return
ret = newlist_hint(n)
for i in xrange(n):
ret.append(self._fb_unpack(EX_CONSTRUCT, write_bytes))
if self._list_hook is not None:
ret = self._list_hook(ret)
# TODO is the interaction between `list_hook` and `use_list` ok?
return ret if self._use_list else tuple(ret)
if typ == TYPE_MAP:
if execute == EX_SKIP:
for i in xrange(n):
# TODO check whether we need to call hooks
self._fb_unpack(EX_SKIP, write_bytes)
self._fb_unpack(EX_SKIP, write_bytes)
return
if self._object_pairs_hook is not None:
ret = self._object_pairs_hook(
(self._fb_unpack(EX_CONSTRUCT, write_bytes),
self._fb_unpack(EX_CONSTRUCT, write_bytes))
for _ in xrange(n))
else:
ret = {}
for _ in xrange(n):
key = self._fb_unpack(EX_CONSTRUCT, write_bytes)
ret[key] = self._fb_unpack(EX_CONSTRUCT, write_bytes)
if self._object_hook is not None:
ret = self._object_hook(ret)
return ret
if execute == EX_SKIP:
return
if typ == TYPE_RAW:
if self._encoding is not None:
obj = obj.decode(self._encoding, self._unicode_errors)
return obj
if typ == TYPE_EXT:
return self._ext_hook(n, obj)
if typ == TYPE_BIN:
return obj
assert typ == TYPE_IMMEDIATE
return obj