Shreyas094
commited on
Commit
•
34054e0
1
Parent(s):
67f5e62
Create app.py
Browse files
app.py
ADDED
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import random
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import requests
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from bs4 import BeautifulSoup
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from transformers import AutoTokenizer, AutoModelForCausalLM
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# List of user agents
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_useragent_list = [
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Edge/91.0.864.59 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Edge/91.0.864.59 Safari/537.36",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Safari/537.36",
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]
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# Function to extract visible text from HTML content of a webpage
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def extract_text_from_webpage(html):
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print("Extracting text from webpage...")
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soup = BeautifulSoup(html, 'html.parser')
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for script in soup(["script", "style"]):
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script.extract() # Remove scripts and styles
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text = soup.get_text()
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lines = (line.strip() for line in text.splitlines())
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chunks = (phrase.strip() for line in lines for phrase in line.split(" "))
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text = '\n'.join(chunk for chunk in chunks if chunk)
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print(f"Extracted text length: {len(text)}")
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return text
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# Function to perform a Google search and retrieve results
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def google_search(term, num_results=5, lang="en", timeout=5, safe="active", ssl_verify=None):
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"""Performs a Google search and returns the results."""
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print(f"Searching for term: {term}")
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escaped_term = requests.utils.quote(term)
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start = 0
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all_results = []
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max_chars_per_page = 8000 # Limit the number of characters from each webpage to stay under the token limit
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with requests.Session() as session:
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while start < num_results:
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print(f"Fetching search results starting from: {start}")
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try:
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# Choose a random user agent
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user_agent = random.choice(_useragent_list)
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headers = {
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'User-Agent': user_agent
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}
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print(f"Using User-Agent: {headers['User-Agent']}")
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resp = session.get(
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url="https://www.google.com/search",
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headers=headers,
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params={
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"q": term,
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"num": num_results - start,
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"hl": lang,
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"start": start,
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"safe": safe,
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},
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timeout=timeout,
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verify=ssl_verify,
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)
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resp.raise_for_status()
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except requests.exceptions.RequestException as e:
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print(f"Error fetching search results: {e}")
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break
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soup = BeautifulSoup(resp.text, "html.parser")
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result_block = soup.find_all("div", attrs={"class": "g"})
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if not result_block:
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print("No more results found.")
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break
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for result in result_block:
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link = result.find("a", href=True)
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if link:
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link = link["href"]
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print(f"Found link: {link}")
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try:
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webpage = session.get(link, headers=headers, timeout=timeout)
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webpage.raise_for_status()
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visible_text = extract_text_from_webpage(webpage.text)
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if len(visible_text) > max_chars_per_page:
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visible_text = visible_text[:max_chars_per_page] + "..."
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all_results.append({"link": link, "text": visible_text})
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except requests.exceptions.RequestException as e:
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print(f"Error fetching or processing {link}: {e}")
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all_results.append({"link": link, "text": None})
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else:
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print("No link found in result.")
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all_results.append({"link": None, "text": None})
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start += len(result_block)
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print(f"Total results fetched: {len(all_results)}")
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return all_results
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# Load the Mixtral-8x7B-Instruct model and tokenizer
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model_name = 'mistralai/Mistral-7B-Instruct-v0.3'
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForCausalLM.from_pretrained(model_name)
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# Example usage
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search_term = "How did Tesla perform in Q1 2024"
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search_results = google_search(search_term, num_results=3)
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# Combine text from search results to create a prompt
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combined_text = "\n\n".join(result['text'] for result in search_results if result['text'])
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# Tokenize the input text
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inputs = tokenizer(combined_text, return_tensors="pt")
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# Generate a response
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outputs = model.generate(**inputs, max_length=150, temperature=0.7, top_p=0.9, top_k=50)
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# Decode the generated tokens to a readable string
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response = tokenizer.decode(outputs[0], skip_special_tokens=True)
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# Print the response
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print(response)
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