Replace pyswsssdk with sonic-py-common (sonic-net#45)

**- What I did**
Replace sonic-py-swsssdk with sonic-py-common.

**- How I did it**
Update all sonic-py-swsssdk to use sonic-py-common.

**- How to verify it**
Pass all UT.
Pass all E2E test.

**- Description for the changelog**
Replace sonic-py-swsssdk with sonic-py-common.

azure-pipelines.yml

@@ -46,6 +46,7 @@ steps:
 - script: |
     set -xe
     sudo pip3 install swsssdk-2.0.1-py3-none-any.whl
+    sudo pip3 install sonic_py_common-1.0-py3-none-any.whl
   workingDirectory: $(Pipeline.Workspace)/target/python-wheels/buster/
   displayName: 'Install Python dependencies'
 

setup.py

@@ -1,17 +1,16 @@
 from setuptools import setup, find_packages
 
 dependencies = [
-    'swsssdk>=1.3.0',
 ]
 
 test_deps = [
     'pytest',
     'mock>=2.0.0',
-    'mockredispy>=2.9.3'
+    'mockredispy>=2.9.3',
+    'swsssdk>=1.3.0'
 ]
 
 high_performance_deps = [
-    'swsssdk[high_perf]>=1.1',
 ]
 
 setup(

src/lldp_syncd/__main__.py

@@ -1,15 +1,15 @@
 import logging.handlers
 import sys
 
-import swsssdk.util
+import sonic_py_common.util
 
 import lldp_syncd
 import sonic_syncd
 
 LOG_FORMAT = "lldp-syncd [%(name)s] %(levelname)s: %(message)s"
 
 # import command line arguments
-args = swsssdk.util.process_options("lldp_syncd")
+args = sonic_py_common.util.process_options("lldp_syncd")
 
 # configure logging. If debug is specified, logs to stdout at designated level. syslog otherwise.
 log_level = args.get('log_level')
@@ -23,12 +23,10 @@
     lldp_syncd.logger.addHandler(logging.StreamHandler(sys.stdout))
 
 # set the log levels
-swsssdk.logger.setLevel(log_level)
 sonic_syncd.logger.setLevel(log_level)
 lldp_syncd.logger.setLevel(log_level)
 
 # inherit logging handlers in submodules
-swsssdk.logger.handlers = lldp_syncd.logger.handlers
 sonic_syncd.logger.handlers = lldp_syncd.logger.handlers
 
 #