Add methods to retrieve connector name and version

plugins/module_utils/mysql.py

@@ -34,7 +34,47 @@ mysql_driver_fail_msg = ('A MySQL module is required: for Python 2.7 either PyMy
                          'Consider setting ansible_python_interpreter to use '
                          'the intended Python version.')
 
-from ansible_collections.community.mysql.plugins.module_utils.database import mysql_quote_identifier
+
+def get_driver_name(mysql_driver):
+    """ (class) -> str
+    Return the name of the driver (pymysql or mysqlclient (MySQLdb))
+    or 'Unknown' if the driver name is not pymysql or MySQLdb. When adding a
+    connector here, also modify get_driver_version.
+    """
+    if mysql_driver is None or not hasattr(mysql_driver, '__name__'):
+        return 'Unknown'
+
+    if mysql_driver.__name__ not in ['pymysql', 'MySQLdb']:
+        return 'Unknown'
+
+    return mysql_driver.__name__
+
+
+def get_driver_version(mysql_driver):
+    """ (class) -> str
+    Return the version of pymysql or mysqlclient (MySQLdb).
+    If the driver name is unknown, this method also return 'Unknown'
+    """
+
+    if mysql_driver is None:
+        return 'Unknown'
+
+    driver_name = get_driver_name(mysql_driver)
+
+    if driver_name == 'Unknown':
+        return 'Unknown'
+
+    if driver_name == 'pymysql':
+        # pymysql has two methods:
+        # - __version__ that returns the string: 0.7.11.None
+        # - VERSION that returns the tupple (0, 7, 11, None)
+        v = mysql_driver.VERSION[:3]
+        return '.'.join(map(str, v))
+
+    if driver_name == 'MySQLdb':
+        # version_info returns the tuple (2, 1, 1, 'final', 0)
+        v = mysql_driver.version_info[:3]
+        return '.'.join(map(str, v))
 
 
 def parse_from_mysql_config_file(cnf):