Wander Way 322e0d753f Remove lower-constraints, uncap PrettyTable
The lower-constraints jobs are timing out, which means we're failing to
find a match for our specified constraints. These jobs are of limited
value so just drop them.

The change to requirements flags the cap we currently enforce on
PrettyTable. This was previously necessary due to requirements enforcing
the same case, but PrettyTable is now maintained as a Jazzband project
[1] and the cap has been removed.

Finally, while we're here, we can cleanup tox.ini somewhat and remove
now unnecessary warnings from the 'requirements.txt' file (this isn't an
issue with pip's new resolver).

[1] https://github.com/jazzband/prettytable

Change-Id: Ib0fad16f3c9b817756996f79c0b0b61f854583a3
Co-authored-by: Stephen Finucane <stephenfin@redhat.com>
2021-02-24 14:00:21 +00:00
2020-04-02 15:14:57 +02:00
2018-07-17 08:17:25 +07:00
2019-04-19 19:40:48 +00:00
2018-07-17 08:17:25 +07:00
2019-07-03 12:29:11 -07:00
2012-02-27 23:08:32 +01:00
2012-02-27 23:05:12 +01:00
2012-02-27 23:05:12 +01:00
2020-04-05 09:37:51 +02:00
2020-04-05 09:37:51 +02:00

ldappool

A simple connector pool for python-ldap.

The pool keeps LDAP connectors alive and let you reuse them, drastically reducing the time spent to initiate a ldap connection.

The pool has useful features like:

  • transparent reconnection on failures or server restarts
  • configurable pool size and connectors timeouts
  • configurable max lifetime for connectors
  • a context manager to simplify acquiring and releasing a connector

You need python-ldap in order to use this library

Quickstart

To work with the pool, you just need to create it, then use it as a context manager with the connection method:

from ldappool import ConnectionManager

cm = ConnectionManager('ldap://localhost')

with cm.connection('uid=adminuser,ou=logins,dc=mozilla', 'password') as conn:
    .. do something with conn ..

The connector returned by connection is a LDAPObject, that's binded to the server. See https://pypi.org/project/python-ldap/ for details on how to use a connector.

It is possible to check the state of the pool by representing the pool as a string:

from ldappool import ConnectionManager

cm = ConnectionManager('ldap://localhost', size=2)

.. do something with cm ..

print(cm)

This will result in output similar to this table:

+--------------+-----------+----------+------------------+--------------------+------------------------------+
| Slot (2 max) | Connected |  Active  |       URI        | Lifetime (600 max) |           Bind DN            |
+--------------+-----------+----------+------------------+--------------------+------------------------------+
|      1       | connected | inactive | ldap://localhost |  0.00496101379395  | uid=tuser,dc=example,dc=test |
|      2       | connected | inactive | ldap://localhost |  0.00532603263855  | uid=tuser,dc=example,dc=test |
+--------------+-----------+----------+------------------+--------------------+------------------------------+

ConnectionManager options

Here are the options you can use when instanciating the pool:

  • uri: ldap server uri [mandatory]
  • bind: default bind that will be used to bind a connector. default: None
  • passwd: default password that will be used to bind a connector. default: None
  • size: pool size. default: 10
  • retry_max: number of attempts when a server is down. default: 3
  • retry_delay: delay in seconds before a retry. default: .1
  • use_tls: activate TLS when connecting. default: False
  • timeout: connector timeout. default: -1
  • use_pool: activates the pool. If False, will recreate a connector each time. default: True

The uri option will accept a comma or whitespace separated list of LDAP server URIs to allow for failover behavior when connection errors are encountered. Connections will be attempted against the servers in order, with retry_max attempts per URI before failing over to the next server.

The connection method takes two options:

  • bind: bind used to connect. If None, uses the pool default's. default: None
  • passwd: password used to connect. If None, uses the pool default's. default: None
Description
A simple connector pool for python-ldap and related LDAP libraries.
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