# Check if the resource definition indicates this is a scanned PDF
cmd = ['pdffonts', pdf_file]
proc = subprocess.Popen(
    cmd, stdout=subprocess.PIPE, bufsize=0, text=True, shell=False)
out, err = proc.communicate()

scanned = True

for idx, line in enumerate(out.splitlines()):
    if idx == 2:
        scanned = False

name                                 type              encoding         emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------

name                                 type              encoding         emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
TNNLVN+Calibri                       TrueType          WinAnsi          yes yes yes      9  0

for idx, line in enumerate(out.splitlines()):
    if idx == 2:
        scanned = False