Python code to converts JSON data into CSV. Please change your dict obj according to your JSON data. Keep sharing!

json_to_csv.py

import json
import csv

# Opening JSON file
f = open('productfeed.json')

# returns JSON object as
# a dictionary
data = json.load(f)

# open the file in the write mode
f_csv = open('./productfeed.csv', 'w')

# create the csv writer
writer = csv.writer(f_csv)
header = ['Product Code', 'Product Title', 'Product Description', 'Keywords', 'Item Code', 'Size', 'Size Grid', 'Gender', 'Gross Weight', 'Net Weight', 'Brand', 'Category', 'Colors', 'Material', 'EAN', 'Images']
writer.writerow(header)

# Iterating through the json
# list
for i in data['pfcProductfeed']['productfeed']['models']:

    product = i['model']
    model_code = product['modelCode']
    title = product['description']
    description = product['extDesc']
    keywords = product['keywords']
    for v in product['items']:
        colors = []
        images = []
        variant = v['item']
        item_code = variant['itemCode']
        size = variant['size']
        size_grid = variant['sizeGrid']
        gender = variant['gender'] != None if variant['gender'] else ''
        gross_weight = variant['grossWeightKg']
        net_weight = variant['nettWeightKg']
        brand = variant['brand']
        category = variant['categoryData']['catDesc']
        for c in variant['colors']['color']:
            colors.append(c['colorDesc'])
        material = variant['material']
        ean = variant['eanCode']
        for key in variant['imageData']:
            if variant['imageData'][key] != '' and variant['imageData'][key] != None:
                images.append("https://images.pfconcept.com/ProductImages_All/JPG/500x500/"+variant['imageData'][key])
        writer.writerow([model_code, title, description, keywords, item_code, size, size_grid, gender, gross_weight, net_weight, brand, category, " | ".join(colors), material, ean, " | ".join(images)])

# Closing file
f.close()

f_csv.close()