extract_form_field_info

for field_id, field in fields.items(): # Skip if this is a container field with children, except that it might be # a parent group for radio button options. if field.get("/Kids"): if field.get("/FT") == "/Btn":…

Skills
Scientific
2

What it does and how to use it

A skill that teaches Claude Code to do scientific tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/extract-form-field-info && curl -fsSL https://doutorai.pt/data/lib/skills__extract-form-field-info.md -o .claude/skills/extract-form-field-info/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

import json
import sys

from pypdf import PdfReader


# Extracts data for the fillable form fields in a PDF and outputs JSON that
# Claude uses to fill the fields. See forms.md.


# This matches the format used by PdfReader `get_fields` and `update_page_form_field_values` methods.
def get_full_annotation_field_id(annotation):
    components = []
    while annotation:
        field_name = annotation.get('/T')
        if field_name:
            components.append(field_name)
        annotation = annotation.get('/Parent')
    return ".".join(reversed(components)) if components else None


def make

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