Download OBJ previews of products from Bad Dragon

dragon_download.py

from typing import List, Iterator

import os
import urllib.request
import json
from dataclasses import dataclass
import argparse

PRODUCT_URL = "https://bad-dragon.com/api/products"
SAVE_DIR = "models"


@dataclass
class DownloadableProduct:
    name: str

    preview_object_url: str
    preview_texture_map_url: str
    preview_normal_map_url: str


def load_products() -> List[dict]:
    with urllib.request.urlopen(PRODUCT_URL) as f:
        return json.load(f)


def process_products(products: List[dict]) -> Iterator[DownloadableProduct]:
    for product in products:
        name = product.get("sku")
        preview_object_url = product.get("previewObjModel", {}).get("url")
        preview_texture_map_url = product.get("previewTextureMap", {}).get("url")
        preview_normal_map_url = product.get("previewNormalMap", {}).get("url")

        if (
            not name
            or not preview_object_url
            or not preview_texture_map_url
            or not preview_normal_map_url
        ):
            continue

        yield DownloadableProduct(
            name, preview_object_url, preview_texture_map_url, preview_normal_map_url
        )


def download_file(url: str, path: str) -> None:
    if os.path.exists(path):
        print("Already downloaded {path}".format(path=path))
        return

    print("Downloading {path}".format(path=path))
    urllib.request.urlretrieve(url, path)


def download_product(
    product: DownloadableProduct, save_dir: str, include_maps: bool = False
) -> None:
    download_file(
        product.preview_object_url,
        os.path.join(save_dir, "{name}.obj".format(name=product.name)),
    )

    if include_maps:
        download_file(
            product.preview_texture_map_url,
            os.path.join(save_dir, "{name}_texture_map.png".format(name=product.name)),
        )
        download_file(
            product.preview_normal_map_url,
            os.path.join(save_dir, "{name}_normal_map.png".format(name=product.name)),
        )


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Download Bad Dragon preview objects.")
    parser.add_argument(
        "--maps", help="include texture and normal maps", action="store_true"
    )
    parser.add_argument("dir", help="Path to save models", nargs="?", default=SAVE_DIR)

    args = parser.parse_args()

    if not os.path.exists(args.dir):
        os.mkdir(args.dir)

    print("Saving objects to {dir}".format(dir=args.dir))

    products = load_products()
    for product in process_products(products):
        download_product(product, args.dir, args.maps)

The script wont run in blender, get the newest version of python and run the downloaded script on your desktop. It'll create a folder with the models.

…

On Tue, Apr 18, 2023 at 08:14 Zrksie ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ So I’m having a really hard time using this, I’m trying to get them into blender but it keeps coming up with an error and it doesn’t say what that error is but I think it has something to do with line 85. (I’m a complete noob when it comes to python scripts and blender) — Reply to this email directly, view it on GitHub <https://gist.github.com/Syfaro/583e6e1a949e0156fd022db0f05625eb#gistcomment-4540518> or unsubscribe <https://github.com/notifications/unsubscribe-auth/AT2YWYDK22HVBDYAZPZ7GJDXB2AQTBFKMF2HI4TJMJ2XIZLTSKBKK5TBNR2WLJDHNFZXJJDOMFWWLK3UNBZGKYLEL52HS4DFQKSXMYLMOVS2I5DSOVS2I3TBNVS3W5DIOJSWCZC7OBQXE5DJMNUXAYLOORPWCY3UNF3GS5DZVRZXKYTKMVRXIX3UPFYGLK2HNFZXIQ3PNVWWK3TUUZ2G64DJMNZZDAVEOR4XAZNEM5UXG5FFOZQWY5LFVA4DGNJUGA3DAMNHORZGSZ3HMVZKMY3SMVQXIZI> . You are receiving this email because you commented on the thread. Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub> .

The script wont run in blender, get the newest version of python and run the downloaded script on your desktop. It'll create a folder with the models.
…

So I did that now I don’t know how to get the models into blender it’s saying it’s the wrong file type (the file type is .obj)

you have to tell it to import .obj files, its one of the options in the "files" tab i think

…

On Tue, Apr 18, 2023 at 13:58 Zrksie ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ The script wont run in blender, get the newest version of python and run the downloaded script on your desktop. It'll create a folder with the models. … <#m_-5167890225437168935_> So I did that now I don’t know how to get the models into blender it’s saying it’s the wrong file type (the file type is .obj) — Reply to this email directly, view it on GitHub <https://gist.github.com/Syfaro/583e6e1a949e0156fd022db0f05625eb#gistcomment-4540930> or unsubscribe <https://github.com/notifications/unsubscribe-auth/AT2YWYD4EZGIOQPCZVX2YPLXB3I43BFKMF2HI4TJMJ2XIZLTSKBKK5TBNR2WLJDHNFZXJJDOMFWWLK3UNBZGKYLEL52HS4DFQKSXMYLMOVS2I5DSOVS2I3TBNVS3W5DIOJSWCZC7OBQXE5DJMNUXAYLOORPWCY3UNF3GS5DZVRZXKYTKMVRXIX3UPFYGLK2HNFZXIQ3PNVWWK3TUUZ2G64DJMNZZDAVEOR4XAZNEM5UXG5FFOZQWY5LFVA4DGNJUGA3DAMNHORZGSZ3HMVZKMY3SMVQXIZI> . You are receiving this email because you commented on the thread. Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub> .

you have to tell it to import .obj files, its one of the options in the "files" tab i think
…

Thank you it worked

np

…

On Tue, Apr 18, 2023 at 8:09 PM Zrksie ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ you have to tell it to import .obj files, its one of the options in the "files" tab i think … <#m_3868553004770538132_> Thank you it worked — Reply to this email directly, view it on GitHub <https://gist.github.com/Syfaro/583e6e1a949e0156fd022db0f05625eb#gistcomment-4541246> or unsubscribe <https://github.com/notifications/unsubscribe-auth/AT2YWYEIQAE5VJRRKTJNJM3XB4UNPBFKMF2HI4TJMJ2XIZLTSKBKK5TBNR2WLJDHNFZXJJDOMFWWLK3UNBZGKYLEL52HS4DFQKSXMYLMOVS2I5DSOVS2I3TBNVS3W5DIOJSWCZC7OBQXE5DJMNUXAYLOORPWCY3UNF3GS5DZVRZXKYTKMVRXIX3UPFYGLK2HNFZXIQ3PNVWWK3TUUZ2G64DJMNZZDAVEOR4XAZNEM5UXG5FFOZQWY5LFVA4DGNJUGA3DAMNHORZGSZ3HMVZKMY3SMVQXIZI> . You are receiving this email because you commented on the thread. Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub> .

is there a way to construct the model with the texture maps to give it the high res look like the preveiw?

I was getting 403 Forbidden errors when downloading the maps, which I assumed were related to the User Agent, since I could open the URLs and download the maps in my normal browser.

I changed two lines in the download_file function, so that I could add my own user agent to the request:

def download_file(url: str, path: str) -> None:
    if os.path.exists(path):
        print("Already downloaded {path}".format(path=path))
        return

    print(f"Downloading {path}")
    opener = urllib.request.URLopener()
    opener.addheader('User-Agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0')

    opener.retrieve(url, path)

Now everything works as expected when using --maps :)