109 lines
4 KiB
Python
109 lines
4 KiB
Python
"""
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Code derived from:
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https://github.com/acheong08/EdgeGPT/blob/f940cecd24a4818015a8b42a2443dd97c3c2a8f4/src/ImageGen.py
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"""
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from log import getlogger
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from uuid import uuid4
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import os
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import urllib
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import time
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import requests
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import regex
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BING_URL = "https://www.bing.com"
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logger = getlogger()
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class ImageGen:
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"""
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Image generation by Microsoft Bing
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Parameters:
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auth_cookie: str
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"""
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def __init__(self, auth_cookie: str) -> None:
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self.session: requests.Session = requests.Session()
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self.session.headers = {
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"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
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"accept-language": "en-US,en;q=0.9",
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"cache-control": "max-age=0",
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"content-type": "application/x-www-form-urlencoded",
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"referrer": "https://www.bing.com/images/create/",
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"origin": "https://www.bing.com",
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"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.63",
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}
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self.session.cookies.set("_U", auth_cookie)
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def get_images(self, prompt: str) -> list:
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"""
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Fetches image links from Bing
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Parameters:
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prompt: str
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"""
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print("Sending request...")
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url_encoded_prompt = urllib.parse.quote(prompt)
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# https://www.bing.com/images/create?q=<PROMPT>&rt=4&FORM=GENCRE
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url = f"{BING_URL}/images/create?q={url_encoded_prompt}&rt=4&FORM=GENCRE"
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response = self.session.post(url, allow_redirects=False)
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if response.status_code != 302:
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#if rt4 fails, try rt3
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url= f"{BING_URL}/images/create?q={url_encoded_prompt}&rt=3&FORM=GENCRE"
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response3 = self.session.post(url, allow_redirects=False)
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if response3.status_code != 302:
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logger.error(f"ERROR: {response.text}")
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return []
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response=response3
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# Get redirect URL
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redirect_url = response.headers["Location"].replace("&nfy=1", "")
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request_id = redirect_url.split("id=")[-1]
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self.session.get(f"{BING_URL}{redirect_url}")
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# https://www.bing.com/images/create/async/results/{ID}?q={PROMPT}
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polling_url = f"{BING_URL}/images/create/async/results/{request_id}?q={url_encoded_prompt}"
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# Poll for results
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print("Waiting for results...")
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while True:
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print(".", end="", flush=True)
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response = self.session.get(polling_url)
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if response.status_code != 200:
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logger.error("Could not get results", exc_info=True)
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return []
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if response.text == "":
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time.sleep(1)
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continue
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else:
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break
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# Use regex to search for src=""
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image_links = regex.findall(r'src="([^"]+)"', response.text)
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# Remove size limit
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normal_image_links = [link.split("?w=")[0] for link in image_links]
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# Remove duplicates
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return list(set(normal_image_links))
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def save_images(self, links: list, output_dir: str) -> str:
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"""
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Saves images to output directory
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"""
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print("\nDownloading images...")
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try:
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os.mkdir(output_dir)
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except FileExistsError:
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pass
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# image name
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image_name = str(uuid4())
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# since matrix only support one media attachment per message, we just need one link
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if links:
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link = links.pop()
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else:
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logger.error("Get Image URL failed")
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# return "" if there is no link
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return ""
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with self.session.get(link, stream=True) as response:
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# save response to file
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response.raise_for_status()
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with open(f"{output_dir}/{image_name}.jpeg", "wb") as output_file:
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for chunk in response.iter_content(chunk_size=8192):
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output_file.write(chunk)
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return f"{output_dir}/{image_name}.jpeg"
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