Script que mostra os fields editáveis do form

discover_field_names.py

import os
from pathlib import Path

import pdfrw



ANNOT_KEY = '/Annots'
ANNOT_FIELD_KEY = '/T'
SUBTYPE_KEY = '/Subtype'
WIDGET_SUBTYPE_KEY = '/Widget'


TEMPLATE_PATH = 'Documents/Dunderlabs/Posts/escape.pdf'


template_pdf = pdfrw.PdfReader(os.path.join(Path.home(), TEMPLATE_PATH)) 
annotations = template_pdf.pages[0][ANNOT_KEY]

for annotation in annotations:
    if annotation[SUBTYPE_KEY] == WIDGET_SUBTYPE_KEY:
        if annotation[ANNOT_FIELD_KEY]:
            key = annotation[ANNOT_FIELD_KEY][1:-1]
            print(key)