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BurstyPool(target_size=10, labels=None)Concrete session pool implementation:
"Pings" existing sessions via
session.existsbefore returning them.Creates a new session, rather than blocking, when
getis called on an empty pool.Discards the returned session, rather than blocking, when
putis called on a full pool.
Parameters
| Name | Description |
| target_size |
int
max pool size |
| labels |
dict (str -> str) or None
(Optional) user-assigned labels for sessions created by the pool. |
Properties
labels
User-assigned labels for sesions created by the pool.
| Type | Description |
| dict (str -> str) | labels assigned by the user |
Methods
bind
bind(database)Associate the pool with a database.
| Name | Description |
| database |
Database
database used by the pool: used to create sessions when needed. |
clear
clear()Delete all sessions in the pool.
get
get()Check a session out from the pool.
| Type | Description |
| Session | an existing session from the pool, or a newly-created session. |
put
put(session)Return a session to the pool.
Never blocks: if the pool is full, the returned session is discarded.
| Name | Description |
| session |
Session
the session being returned. |
session
session(**kwargs)Check out a session from the pool.
| Type | Description |
| SessionCheckout | a checkout instance, to be used as a context manager for accessing the session and returning it to the pool. |