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psycopg2 copy_expert() - how to copy in a gzipped csv file?

If my table is schema_one.table_five and my file name is file_to_import.csv.gz, what args do I give the Expert Option 檢閱 copy_expert() cmd in order to copy the file contents into the table?

Here's what I'm trying:

This produces an error:

So how do I tell the command to first uncompress the file and then specify a delimiter (in this case '|') so that it can Expert Option 檢閱 be processed.

Secondary question. If my file is in a directory called "files_to_import" i.e. /home/dir1/dir2/files_to_import/file_to_import.csv.gz, is there a way that I can specify just the directory and have the pgm copy in all the files in that dir (to the same table)? They would all be .csv.gz files.

Added 12-30-16 0940 MST -- In response to comment: Trying to get COPY statement right, but all these error ---

All of these error, at the same place. So what should come after 'FROM' ?

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