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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.
Returns
Type
Description
dict (str -> str)
labels assigned by the user
Methods
bind
bind
(
database
)
Associate the pool with a database.
Parameter
Name
Description
database
clear
clear
()
Delete all sessions in the pool.
get
get
()
Check a session out from the pool.
put
put
(
session
)
Return a session to the pool.
Never blocks: if the pool is full, the returned session is discarded.
session
session
(
**
kwargs
)
Check out a session from the pool.
Returns
Type
Description
SessionCheckout
a checkout instance, to be used as a context manager for accessing the session and returning it to the pool.
