我正努力想办法解决内存泄漏的问题。我想这可能是pywin32的问题,但我不完全确定。
我的代码读写单个项目似乎工作正常,但当使用组函数时,它会慢慢地泄漏内存。我怀疑这是来自必须在服务器\u句柄中传递的基于1的数组。
有人知道附近有工作吗?
def read_group(self, group, mode=OPC_SYNC, source=OPC_DS_CACHE):
""" Read a group returning a list of Result tuples or None. """
if group not in self.groups:
raise OPCError("Group does not exist, add first.")
items = []
server_handles = []
for name, item in self.items.items():
if item.group == group:
items.append(name)
server_handles.append(item.server_handle)
if not server_handles:
return None
# Note that arrays are 1 based so must add an element to beginning
server_handles.insert(0, 0)
if mode == OPC_SYNC:
val, err, qual, ts = self.groups[group].SyncRead(
Source=source,
NumItems=len(server_handles) - 1,
ServerHandles=server_handles)
# Map the return arrays into a list of result tuples
result = []
for i in range(len(items)):
result.append(Result(
items[i],
val[i],
OPC_QUALITY[qual[i]],
str(ts[i]),
err[i],
))
return result
目前没有回答
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