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#!/usr/bin/env python3
"""
gen_products.py
Generate fake e-commerce products (USD, no images) using Faker.
Default:
10,000 products → products.json
Example:
python3 gen_products.py --out /tmp/products.json --count 5000
"""
import argparse, json, random, uuid
from datetime import datetime, UTC
try:
from faker import Faker
except ImportError:
print("Faker library is required: apt install python3-fake-factory")
exit(1)
fake = Faker()
BRANDS = {
"phones": ["Samsung", "Apple", "Xiaomi", "OnePlus", "Google"],
"laptops": ["Dell", "HP", "Lenovo", "Asus", "Acer", "Apple"],
"audio": ["Sony", "JBL", "Bose", "Sennheiser", "Marshall"],
"tv": ["LG", "Samsung", "Philips", "TCL", "Panasonic"],
"camera": ["Canon", "Nikon", "Sony", "Fujifilm", "GoPro"],
"appliances": ["Bosch", "Philips", "Panasonic", "Midea", "Tefal"]
}
SUFFIXES = ["", " Pro", " Max", " Plus", " Ultra", " SE"]
def make_title(category, brand):
letters = ''.join(random.choices('ABCDEFGHIJKLMNOPQRSTUVWXYZ', k=2))
numbers = str(random.randint(100, 9999))
suffix = random.choice(SUFFIXES)
return f"{brand} {letters}-{numbers}{suffix}"
def make_price(category):
base = {
"phones": 300, "laptops": 800, "audio": 120,
"tv": 400, "camera": 600, "appliances": 200
}.get(category, 100)
p = base * random.uniform(0.7, 1.8)
return round(p - 0.01, 2)
def make_description(category, brand):
return fake.sentence(nb_words=random.randint(12, 24)) + f" {brand} {category} designed for modern users."
def make_attributes(category):
attrs = {}
if category in ("phones", "laptops"):
attrs["storage"] = random.choice(["64GB","128GB","256GB","512GB","1TB"])
if category in ("phones","audio","camera"):
attrs["color"] = random.choice(["black","white","blue","red","silver"])
if category in ("tv","appliances"):
attrs["power_w"] = random.choice([800,1200,1500,2000])
return attrs
def gen_product():
category = random.choice(list(BRANDS.keys()))
brand = random.choice(BRANDS[category])
uid = str(uuid.uuid4())
return {
"id": uid,
"sku": f"SKU-{uid[:8].upper()}",
"title": make_title(category, brand),
"brand": brand,
"category": category,
"description": make_description(category, brand),
"price": make_price(category),
"currency": "USD",
"stock": random.randint(0, 500),
"rating": round(random.uniform(3.0, 5.0), 2),
"reviews_count": random.randint(0, 1000),
"attributes": make_attributes(category),
"tags": random.sample(["new","bestseller","discount","limited","eco"], k=random.randint(0,3)),
}
def main():
ap = argparse.ArgumentParser(description="Generate fake e-commerce products in JSON format.")
ap.add_argument("-n", "--num", type=int, default=10000, help="Number of products to generate (default: 10000).")
ap.add_argument("-o", "--out", type=str, default="products.json", help="Output JSON file path (default: products.json).")
args = ap.parse_args()
with open(args.out, "w", encoding="utf-8") as f:
f.write("[\n")
for i in range(args.num):
json.dump(gen_product(), f, ensure_ascii=False)
if i != args.num - 1:
f.write(",\n")
f.write("\n]\n")
print(f"Wrote {args.num} products to {args.out}")
if __name__ == "__main__":
main()
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