[fix][function] Fix python instance not process zip file correctly (a…

…pache#16697)

(cherry picked from commit 68e4545)
(cherry picked from commit 5e4090c)

pulsar-functions/instance/src/main/python/python_instance_main.py

@@ -99,7 +99,7 @@ def main():
 
   if os.path.splitext(str(args.py))[1] == '.whl':
     if args.install_usercode_dependencies:
-      cmd = "pip install -t %s" % os.path.dirname(str(args.py))
+      cmd = "pip install -t %s" % os.path.dirname(os.path.abspath(str(args.py)))
       if args.dependency_repository:
         cmd = cmd + " -i %s" % str(args.dependency_repository)
       if args.extra_dependency_repository:
@@ -112,7 +112,7 @@ def main():
     else:
       zpfile = zipfile.ZipFile(str(args.py), 'r')
       zpfile.extractall(os.path.dirname(str(args.py)))
-    sys.path.insert(0, os.path.dirname(str(args.py)))
+    sys.path.insert(0, os.path.dirname(os.path.abspath(str(args.py))))
   elif os.path.splitext(str(args.py))[1] == '.zip':
     # Assumig zip file with format func.zip
     # extract to folder function
@@ -123,21 +123,21 @@ def main():
     # run pip install to target folder  deps folder
     zpfile = zipfile.ZipFile(str(args.py), 'r')
     zpfile.extractall(os.path.dirname(str(args.py)))
-    basename = os.path.splitext(str(args.py))[0]
+    basename = os.path.basename(os.path.splitext(str(args.py))[0])
 
     deps_dir = os.path.join(os.path.dirname(str(args.py)), basename, "deps")
 
     if os.path.isdir(deps_dir) and os.listdir(deps_dir):
       # get all wheel files from deps directory
       wheel_file_list = [os.path.join(deps_dir, f) for f in os.listdir(deps_dir) if os.path.isfile(os.path.join(deps_dir, f)) and os.path.splitext(f)[1] =='.whl']
-      cmd = "pip install -t %s --no-index --find-links %s %s" % (os.path.dirname(str(args.py)), deps_dir, " ".join(wheel_file_list))
+      cmd = "pip install -t %s --no-index --find-links %s %s" % (os.path.dirname(os.path.abspath(str(args.py))), deps_dir, " ".join(wheel_file_list))
       Log.debug("Install python dependencies via cmd: %s" % cmd)
       retval = os.system(cmd)
       if retval != 0:
         print("Could not install user depedencies specified by the zip file")
         sys.exit(1)
     # add python user src directory to path
-    sys.path.insert(0, os.path.join(os.path.dirname(str(args.py)), basename, "src"))
+    sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(str(args.py))), basename, "src"))
 
   log_file = os.path.join(args.logging_directory,
                           util.getFullyQualifiedFunctionName(function_details.tenant, function_details.namespace, function_details.name),