For beginner, http://lsfalimis.github.io/applescript-python-passing-filename/. Get file name, strip out extension, divide file name, merge or concatenate a list, get and pass UNIX path, pass multiple parameters or arguments to a python script in a shell script

example.scpt

tell application "Finder"
	
	set theName to name of (theFile as alias)
	set AppleScript's text item delimiters to "."
	if number of text items of theName > 1 then
		set theName to text items 1 thru -2 of theName
	end if
	
	set theItems to ""
	repeat with i from 1 to count of theName
		set theItems to theItems & "\"" & ((item i of theName) as text) & "\"" & ","
	end repeat
	set theItems to text 1 thru -2 of theItems
	
	set thePath to POSIX path of theFile
	
	do shell script "python /PATH/TO/THE/PYTHON/SCRIPT" & theItems & " " & quoted form of thePath
	
end tell