Switch to python-ldap again

pyldap is meanwhile an outdated and deprecated fork, and the
Python 3.x compatibility fixes have been merged back to python-ldap.

Change-Id: I4b793a9a72b84005a57cc1e3f6f89a483d7eda5c

README.rst

@@ -1,7 +1,7 @@
 ldappool
 ========
 
-A simple connector pool for pyldap.
+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.
@@ -13,7 +13,7 @@ The pool has useful features like:
 - configurable max lifetime for connectors
 - a context manager to simplify acquiring and releasing a connector
 
-**You need pyldap in order to use this library**
+**You need python-ldap in order to use this library**
 
 Quickstart
 ::::::::::
@@ -30,7 +30,7 @@ context manager with the *connection* method::
 
 
 The connector returned by *connection* is a LDAPObject, that's binded to the
-server. See https://github.com/pyldap/pyldap/ for details on how to use a connector.
+server. See https://pypi.org/project/python-ldap/ for details on how to use a connector.
 
 
 ConnectionManager options
@@ -58,10 +58,3 @@ The **connection** method takes two options:
   **default: None**
 - **passwd**: password used to connect. If None, uses the pool default's.
   **default: None**
-
-
-History
-:::::::
-
-Prior to v2.0.0 ``ldappool`` required ``python-ldap``. As of v2.0.0 this
-library now required ``pyldap``, a python 3 compatible fork of ``python-ldap``.

lower-constraints.txt

@@ -19,7 +19,7 @@ pep257==0.7.0
 pep8==1.5.7
 pyflakes==0.8.1
 Pygments==2.2.0
-pyldap==2.4.20
+python-ldap==3.0.0
 python-mimeparse==1.6.0
 python-subunit==1.0.0
 pytz==2013.6

requirements.txt

@@ -1,4 +1,4 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pyldap>=2.4.20 # PSF
+python-ldap>=3.0.0 # PSF