Check sites like GitHub for projects labeled "Arabic-French-Dictionary" or "XDXF-dictionaries" to find the raw source code or data files.
for a different language pair Python scripts to parse the text file for a data project Download Beidaoui48 txt
It is usually a digitized version of a specific lexicon, often categorized under XDXF (XML Dictionary eXchange Format) or plain text for easy conversion. Download Beidaoui48 txt