A thin wrapper around Python Module etcd3 to make life a little bit easier https://pypi.org/project/etcd3/
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import etcd3
import json
from dataclasses import dataclass
@dataclass(init=False)
class EtcdEntry:
def __init__(self, meta, value, value_in_json=False):
self.key = meta.key.decode("utf-8")
self.value = value.decode("utf-8")
if value_in_json:
self.value = json.loads(self.value)
key: str
value: str
class Etcd3Wrapper(object):
def __init__(self, *args, **kwargs):
self.client = etcd3.client(*args, **kwargs)
def get(self, *args, value_in_json=False, **kwargs):
_value, _key = self.client.get(*args, **kwargs)
if _key is None:
return None
return EtcdEntry(_key, _value, value_in_json=value_in_json)
def put(self, *args, value_in_json=False, **kwargs):
_key, _value = args
if value_in_json:
_value = json.dumps(_value)
return self.client.put(_key.decode("utf-8"), _value)
def get_prefix(self, *args, value_in_json=False, **kwargs):
r = self.client.get_prefix(*args, **kwargs)
for entry in r:
yield EtcdEntry(*entry[::-1], value_in_json=value_in_json)
def watch_prefix(self, *args, value_in_json=False, **kwargs):
r, _ = self.client.watch_prefix(*args, **kwargs)
for event in r:
yield EtcdEntry(event, event.value, value_in_json=value_in_json)