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import streamlit as st
import requests
import os
# Load API token from environment
API_TOKEN = os.getenv("HF_API_TOKEN")
if not API_TOKEN:
st.error("⚠️ Hugging Face API token is missing! Set `HF_API_TOKEN` in your environment variables.")
st.stop() # Stop execution if the token is missing
# Define model API endpoint
MODEL_ID = "bigcode/starcoder"
API_URL = f"https://api-inference.huggingface.co/models/{MODEL_ID}"
HEADERS = {"Authorization": f"Bearer {API_TOKEN}"}
def translate_code(code_snippet, source_lang, target_lang):
"""Translates code from one language to another using Hugging Face API."""
prompt = f"""### Task: Convert {source_lang} code to {target_lang}.
{source_lang} Code:
```{source_lang.lower()}
{code_snippet}
```
Now convert it to {target_lang}:
```{target_lang.lower()}
"""
try:
response = requests.post(API_URL, headers=HEADERS, json={
"inputs": prompt,
"parameters": {
"max_new_tokens": 200,
"temperature": 0.2,
"top_k": 50,
}
})
if response.status_code == 200:
output = response.json()
if isinstance(output, list) and len(output) > 0:
generated_text = output[0].get("generated_text", "")
# Extract translated code only
translated_code = generated_text.split(f"```{target_lang.lower()}")[-1].strip()
translated_code = translated_code.replace("```", "").strip()
return translated_code if translated_code else "⚠️ Translation failed. No valid output received."
else:
return "⚠️ Unexpected response format from API."
elif response.status_code == 400:
return "⚠️ Error: Invalid request. Check input format."
elif response.status_code == 401:
return "⚠️ Error: Unauthorized. Check your API token."
elif response.status_code == 403:
return "⚠️ Error: Access forbidden. You may need special access to this model."
elif response.status_code == 503:
return "⚠️ Error: Model is loading. Please wait and try again."
else:
return f"⚠️ Error {response.status_code}: {response.text}"
except requests.exceptions.RequestException as e:
return f"⚠️ Network Error: {str(e)}"
# Streamlit UI
st.title("🔄 Code Translator using StarCoder")
st.write("Translate code between different programming languages using AI.")
# Define language options
languages = ["Python", "Java", "C", "C++"]
source_lang = st.selectbox("Select source language", languages)
target_lang = st.selectbox("Select target language", languages)
code_input = st.text_area("Enter your code here:", height=200)
if st.button("Translate"):
if source_lang == target_lang:
st.warning("⚠️ Source and target languages cannot be the same.")
elif code_input.strip():
with st.spinner("Translating..."):
translated_code = translate_code(code_input, source_lang, target_lang)
st.subheader(f"Translated {target_lang} Code:")
st.code(translated_code, language=target_lang.lower())
else:
st.warning("⚠️ Please enter some code before translating.")
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