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feat: avoid creating unused ThreadPools (#91)
* feat: avoid creating unused ThreadPools * docs: add requested TODOs
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,42 @@ | ||
--- a/kubernetes/client/api_client.py | ||
+++ b/kubernetes/client/api_client.py | ||
@@ -58,13 +58,15 @@ class ApiClient(object): | ||
'datetime': datetime, | ||
'object': object, | ||
} | ||
+ _pool = None | ||
|
||
- def __init__(self, configuration=None, header_name=None, header_value=None, cookie=None): | ||
+ def __init__(self, configuration=None, header_name=None, header_value=None, | ||
+ cookie=None, pool_threads=None): | ||
if configuration is None: | ||
configuration = Configuration() | ||
self.configuration = configuration | ||
+ self.pool_threads = pool_threads | ||
|
||
- self.pool = ThreadPool() | ||
self.rest_client = RESTClientObject(configuration) | ||
self.default_headers = {} | ||
if header_name is not None: | ||
@@ -74,8 +76,19 @@ class ApiClient(object): | ||
self.user_agent = 'Swagger-Codegen/8.0.0-snapshot/python' | ||
|
||
def __del__(self): | ||
- self.pool.close() | ||
- self.pool.join() | ||
+ if self._pool: | ||
+ self._pool.close() | ||
+ self._pool.join() | ||
+ self._pool = None | ||
+ | ||
+ @property | ||
+ def pool(self): | ||
+ """Create thread pool on first request | ||
+ avoids instantiating unused threadpool for blocking clients. | ||
+ """ | ||
+ if self._pool is None: | ||
+ self._pool = ThreadPool(self.pool_threads) | ||
+ return self._pool | ||
|
||
@property | ||
def user_agent(self): |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,27 @@ | ||
61a62 | ||
> _pool = None | ||
64c65 | ||
< cookie=None): | ||
--- | ||
> cookie=None, pool_threads=None): | ||
67a69 | ||
> self.pool_threads = pool_threads | ||
69d70 | ||
< self.pool = ThreadPool() | ||
79,80c80,92 | ||
< self.pool.close() | ||
< self.pool.join() | ||
--- | ||
> if self._pool: | ||
> self._pool.close() | ||
> self._pool.join() | ||
> self._pool = None | ||
> | ||
> @property | ||
> def pool(self): | ||
> """Create thread pool on first request | ||
> avoids instantiating unused threadpool for blocking clients. | ||
> """ | ||
> if self._pool is None: | ||
> self._pool = ThreadPool(self.pool_threads) | ||
> return self._pool |
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