Fixed installation of libraries, when another version of the library already installed

Author: imbeacon

thingsboard_gateway/connectors/modbus/modbus_connector.py

@@ -42,11 +42,7 @@
 try:
     from pymodbus import __version__ as pymodbus_version
 
-    if version.parse(pymodbus_version) < version.parse(required_version):
-        installation_required = True
-
-    if version.parse(
-            pymodbus_version) > version.parse(required_version):
+    if version.parse(pymodbus_version) != version.parse(required_version):
         installation_required = True
         force_install = True
 

thingsboard_gateway/connectors/opcua/opcua_connector.py

@@ -46,10 +46,7 @@
 try:
     from asyncua import __version__ as asyncua_version
 
-    if version.parse(asyncua_version) < version.parse(required_version):
-        installation_required = True
-
-    if version.parse(asyncua_version) > version.parse(required_version):
+    if version.parse(asyncua_version) != version.parse(required_version):
         installation_required = True
         force_install = True
 

thingsboard_gateway/tb_utility/tb_utility.py

@@ -257,7 +257,7 @@ def convert_key_to_datapoint_key(key, device_report_strategy, key_config, logger
 
     @staticmethod
     def install_package(package, version="upgrade", force_install=False):
-        from sys import executable, prefix, base_prefix
+        from sys import executable, prefix, base_prefix, modules
         from subprocess import check_call
         import site
         from importlib import reload
@@ -289,6 +289,9 @@ def install_package(package, version="upgrade", force_install=False):
         # Refreshing sys.path fixes this. See:
         # https://stackoverflow.com/questions/4271494/what-sets-up-sys-path-with-python-and-when
         reload(site)
+        reload(site)
+        if package in modules:
+            del modules[package]
 
         return result