| from transformers import pipeline | |
| from bs4 import BeautifulSoup | |
| import requests | |
| import urllib | |
| import json | |
| import argparse | |
| from pathlib import Path | |
| import os | |
| from controlnet_aux.processor import Processor | |
| from PIL import UnidentifiedImageError | |
| from PIL import Image | |
| class Scraper(object): | |
| def __init__(self, urls): | |
| self.urls = urls | |
| def fetch(self, url): | |
| return requests.get(url, headers={"User-Agent": "Mozilla/5.0"}) | |
| def parse(self, text): | |
| return BeautifulSoup(text, 'html.parser') | |
| def download_image(self, url, path): | |
| image = requests.get(url) | |
| open(path, 'wb').write(image.content) | |
| class GraffitiDatabaseScraper(Scraper): | |
| def __init__(self): | |
| Scraper.__init__(self, ["https://graffiti-database.com"]) | |
| def get_image_urls(self, parsed): | |
| pages = parsed.select('.image-info a') | |
| image_urls = [] | |
| for page in pages: | |
| image_urls.append(page.get('href')) | |
| return image_urls | |
| def scrape_image(self, url): | |
| print("Scraping image page {0}".format(url)) | |
| fetched = self.fetch(url) | |
| if fetched.status_code != 200: | |
| raise "Scraping image page did fail" | |
| text = fetched.text | |
| parsed = self.parse(text) | |
| image = parsed.select('.img-fluid')[0].get('src') | |
| tag_links = parsed.select('a.tag') | |
| url_parts = urllib.parse.unquote( | |
| urllib.parse.unquote(url)).rsplit("/", 2) | |
| artist = url_parts[1] | |
| return { | |
| "image_url": image, | |
| "city": tag_links[-1].get_text().strip(), | |
| "artist": artist if artist != "Writer Unknown" and artist != "Writers Unknown" else None | |
| } | |
| def scrape_page(self, url): | |
| print("Scraping page {0}".format(url)) | |
| text = self.fetch(url).text | |
| parsed = self.parse(text) | |
| image_urls = self.get_image_urls(parsed) | |
| if len(image_urls) == 0: | |
| return False | |
| for image_url in image_urls: | |
| try: | |
| result = self.scrape_image( | |
| "https://graffiti-database.com" + image_url) | |
| except: | |
| continue | |
| file_name = result["image_url"].split('/')[-1] | |
| self.download_image(result["image_url"], | |
| './images/' + file_name) | |
| result["file"] = file_name | |
| with open('./images/' + file_name + '.json', 'w', encoding='utf-8') as f: | |
| f.write(json.dumps(result, indent=2, ensure_ascii=False)) | |
| return True | |
| def scrape(self): | |
| url = self.urls[0] | |
| print("Scraping {0}".format( | |
| url)) | |
| count = 1 | |
| has_images = True | |
| while has_images: | |
| has_images = self.scrape_page(url + "?page=" + str(count)) | |
| count += 1 | |
| class GraffitiScraper(Scraper): | |
| def __init__(self): | |
| Scraper.__init__(self, ["https://www.graffiti.org/index/world.html", | |
| "https://www.graffiti.org/index/europe.html", "https://www.graffiti.org/index/usa.html"]) | |
| def scrape_page(self, url, city_name): | |
| print("Scraping page {0}".format(url)) | |
| text = self.fetch(url).text | |
| parsed = self.parse(text) | |
| image_elements = parsed.select('a[href*=".jpg"]') | |
| for image_element in image_elements: | |
| if image_element.get_text().strip() == "": | |
| tags = image_element.find_next_sibling(string=True).get_text( | |
| ).strip() if image_element.find_next_sibling(string=True) else "" | |
| else: | |
| continue | |
| image_url = image_element.get("href").replace("/", "_") | |
| url_parts = url.split('/') | |
| url_parts[-1] = image_element.get("href") | |
| self.download_image("/".join(url_parts), | |
| './images/' + image_url) | |
| with open('./images/' + image_url + '.json', 'w', encoding='utf-8') as f: | |
| f.write(json.dumps({ | |
| "file": image_url, | |
| "image_url": "/".join(url_parts), | |
| "artist": tags, | |
| "city": city_name if city_name != "Various cities" else None | |
| }, indent=2, ensure_ascii=False)) | |
| def scrape_url(self, url): | |
| print("Scraping url {0}".format(url)) | |
| text = self.fetch(url).text | |
| parsed = self.parse(text) | |
| cities = parsed.find_all("h4") | |
| for city in cities: | |
| city_name = city.get_text().split("\n")[0].strip() | |
| pages = city.find_all("a") | |
| for page in pages: | |
| if page.get_text().strip() == "§": | |
| continue | |
| self.scrape_page( | |
| "https://www.graffiti.org/index/" + page.get("href"), city_name) | |
| def scrape(self): | |
| for url in self.urls: | |
| self.scrape_url(url) | |
| class CLI(): | |
| def __init__(self): | |
| parser = argparse.ArgumentParser( | |
| prog='graffiti-cli', | |
| description='Tools for setting up the dataset') | |
| subparsers = parser.add_subparsers(dest="command", required=True) | |
| scrape = subparsers.add_parser( | |
| 'scrape', help='Scrapes data sources and downloads images') | |
| scrape.add_argument('--source', | |
| default='graffiti.org', | |
| choices=['graffiti.org', 'graffiti-database.com'], | |
| help='Choose data source to scrape') | |
| subparsers.add_parser('cleanup', help='Cleans up downloaded images') | |
| subparsers.add_parser('caption', help='Captions downloaded images') | |
| subparsers.add_parser('condition', help='Condition downloaded images') | |
| metadata = subparsers.add_parser('metadata', help='Creates single meta files from metadata.jsonl') | |
| metadata.add_argument('--source', | |
| default='graffiti.org', | |
| choices=['graffiti.org', 'graffiti-database.com'], | |
| help='Choose data source to use') | |
| args = parser.parse_args() | |
| if args.command == 'scrape': | |
| if args.source == 'graffiti.org': | |
| GraffitiScraper().scrape() | |
| elif args.source == 'graffiti-database.com': | |
| GraffitiDatabaseScraper().scrape() | |
| elif args.command == 'cleanup': | |
| path = Path("./images").rglob("*.jpg") | |
| for i, img_p in enumerate(path): | |
| try: | |
| Image.open(img_p).load() | |
| except Exception: | |
| path_name = str(img_p) | |
| print(path_name + " is broken. Deleting!") | |
| os.remove(path_name) | |
| os.remove(path_name + ".json") | |
| elif args.command == 'caption': | |
| captioner = pipeline( | |
| "image-to-text", model="Salesforce/blip-image-captioning-base") | |
| path = Path("./images").rglob("*.jpg") | |
| count = len(list(Path("./images").rglob("*.jpg"))) | |
| for i, img_p in enumerate(path): | |
| path_name = str(img_p) | |
| with open(path_name + ".json", 'r+', encoding='utf-8') as f: | |
| data = json.load(f) | |
| f.seek(0) | |
| caption = captioner(path_name)[0]["generated_text"] | |
| if "album" in caption: | |
| caption = "a wall with graffiti on it" | |
| json.dump({ | |
| "file": data["file"], | |
| "image_url": data["image_url"], | |
| "artist": data["artist"], | |
| "city": data["city"], | |
| "caption": caption | |
| }, f, indent=2) | |
| f.truncate() | |
| print("{0} / {1}".format(i + 1, count), path_name, caption) | |
| elif args.command == 'metadata': | |
| with open("data/" + args.source + "/metadata.jsonl", encoding="utf-8") as f: | |
| for row in f: | |
| data = json.loads(row) | |
| with open('./images/' + data["file"] + '.json', 'w') as j: | |
| j.write(json.dumps(data, indent=2, ensure_ascii=False)) | |
| elif args.command == 'conditioning': | |
| processor_id = 'softedge_hed' | |
| processor = Processor(processor_id) | |
| path = Path("./images").rglob("*.jpg") | |
| count = len(list(Path("./images").rglob("*.jpg"))) | |
| for i, img_p in enumerate(path): | |
| path_name = str(img_p) | |
| output_path = path_name.replace("images/", "conditioning/") | |
| img = Image.open(img_p).convert("RGB") | |
| processed_image = processor(img, to_pil=True) | |
| processed_image.save(output_path) | |
| print("{0} / {1}".format(i + 1, count), path_name, output_path) | |
| def main(): | |
| CLI() | |
| if __name__ == "__main__": | |
| main() | |