133 lines
2.2 KiB
Python
133 lines
2.2 KiB
Python
import dpath.util as dp
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import json
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def update(d, u, only_existing=True):
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for k, v in u.items():
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if isinstance(v, dict):
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if only_existing:
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r = update(d.get(k, {}), v)
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d[k] = r
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else:
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d[k] = v
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else:
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d[k] = u[k]
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return d
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class User:
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def __init__(self, socket):
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self.socket = socket
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self.paths = []
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async def send(self, data):
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result = {}
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for path in self.paths:
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msg = dp.search(data, path)
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result.update(msg)
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if len(result) != 0:
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await self.socket.send(json.dumps(result))
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async def process(self, data):
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handled = True
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try:
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# Handle message subscription
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d = json.loads(data)
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if "+" in d:
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path = d['+']
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print("Received subscribe {}".format(path))
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self.path_add(path)
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elif "-" in d:
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path = d['-']
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print("Received unsubscribe {}".format(path))
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self.path_remove(path)
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elif "?" in d:
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print("Subscriptions: {}".format(self.paths))
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await self.socket.send(json.dumps({"?": self.paths}))
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else:
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handled = False
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except Exception as e:
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print(e)
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return handled
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def path_add(self, path):
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if path not in self.paths:
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self.paths.append(path)
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def path_remove(self, path):
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if path in self.paths:
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self.paths.remove(path)
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class UserSet:
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def __init__(self):
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self.users = {}
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self.keys = None
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def __len__(self):
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return len(self.users)
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def clear(self):
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self.users = {}
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self.keys = None
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def add(self, key, user):
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self.users[key] = user
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def remove(self, key):
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self.users.pop(key, None)
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def get(self, key):
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return self.users[key]
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def __iter__(self):
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self.keys = iter(self.users.keys())
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return self
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def __next__(self):
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return self.users[next(self.keys)]
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def check_fill(u):
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if u:
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print("Is occupied")
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else:
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print("Is empty")
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if __name__ == '__main__':
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userset = UserSet()
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check_fill(userset)
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userset.add(1, "A")
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userset.add(2, "B")
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userset.add(3, "C")
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check_fill(userset)
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print("Len(userset) = {}".format(userset))
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for i in userset:
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print(i)
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userset.remove(3)
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for i in userset:
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print(i)
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userset.remove(2)
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for i in userset:
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print(i)
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userset.remove(1)
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for i in userset:
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print(i)
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a = {'Pot': {'Temp': 15.5}}
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b = {'Pot': {'Power': 2400}}
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print(a)
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print(b)
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a = update(a, b)
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print("a | b = {}".format(a))
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