ibm_db - set driver path to DLL libs (fix #223)

src/DatabaseLibrary/connection_manager.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import importlib
+import os
 from configparser import ConfigParser, NoOptionError, NoSectionError
 from dataclasses import dataclass
 from pathlib import Path
@@ -316,6 +317,22 @@ def _arg_or_config(arg_value, param_name, *, old_param_name=None, mandatory=Fals
  db_api_module_name = "pyodbc"
  else:
  db_api_module_name = db_module
+
+ if db_api_module_name in ["ibm_db", "ibm_db_dbi"]:
+ if os.name == "nt":
+ spec = importlib.util.find_spec("ibm_db")
+ if spec is not None:
+ logger.info(
+ f"Importing DB module '{db_api_module_name}' on Windows requires configuring the DLL directory for CLI driver"
+ )
+ site_packages_path = os.path.dirname(spec.origin)
+ clidriver_bin_path = os.path.join(site_packages_path, "clidriver", "bin")
+ if os.path.exists(clidriver_bin_path):
+ os.add_dll_directory(clidriver_bin_path)
+ logger.info(f"Added default CLI driver location to DLL search path: '{clidriver_bin_path}'")
+ else:
+ logger.info(f"Default CLI driver location folder not found: '{clidriver_bin_path}'")
+
  db_api_2 = importlib.import_module(db_api_module_name)
 
  if db_module in ["MySQLdb", "pymysql"]: