import os from typing import ( Any, Union, ) import zipfile import streamlit as st from streamlit.runtime.uploaded_file_manager import ( UploadedFile, UploadedFileRec, UploadedFileManager, ) from streamlit.runtime.scriptrunner import get_script_run_ctx from supabase.client import Client from langchain.vectorstores.supabase import SupabaseVectorStore from components_keys import ComponentsKeys from loaders.audio import process_audio from loaders.txt import process_txt from loaders.csv import process_csv from loaders.markdown import process_markdown from loaders.pdf import process_pdf from loaders.html import ( create_html_file, delete_tempfile, get_html, process_html, ) from loaders.powerpoint import process_powerpoint from loaders.docx import process_docx from utils import compute_sha1_from_content ctx = get_script_run_ctx() manager = UploadedFileManager() file_processors = { ".txt": process_txt, ".csv": process_csv, ".md": process_markdown, ".markdown": process_markdown, ".m4a": process_audio, ".mp3": process_audio, ".webm": process_audio, ".mp4": process_audio, ".mpga": process_audio, ".wav": process_audio, ".mpeg": process_audio, ".pdf": process_pdf, ".html": process_html, ".pptx": process_powerpoint, ".docx": process_docx } def file_uploader(supabase, vector_store): # Omit zip file support if the `st.secrets.self_hosted` != "true" because # a zip file can consist of multiple files so the limit on 1 file uploaded # at a time in the demo can be circumvented. accepted_file_extensions = list(file_processors.keys()) accept_multiple_files = st.secrets.self_hosted == "true" if accept_multiple_files: accepted_file_extensions += [".zip"] files = st.file_uploader( "**Upload a file**", accept_multiple_files=accept_multiple_files, type=accepted_file_extensions, key=ComponentsKeys.FILE_UPLOADER, ) if st.secrets.self_hosted == "false": st.markdown("**In demo mode, the max file size is 1MB**") if st.button("Add to Database"): # Single file upload if isinstance(files, UploadedFile): filter_file(files, supabase, vector_store) # Multiple files upload elif isinstance(files, list): for file in files: filter_file(file, supabase, vector_store) def file_already_exists(supabase, file): file_sha1 = compute_sha1_from_content(file.getvalue()) response = supabase.table("documents").select("id").eq("metadata->>file_sha1", file_sha1).execute() return len(response.data) > 0 def file_to_uploaded_file(file: Any) -> Union[None, UploadedFile]: """Convert a file to a streamlit `UploadedFile` object. This allows us to unzip files and treat them the same way streamlit treats files uploaded through the file uploader. Parameters --------- file : Any The file. Can be any file supported by this app. Returns ------- Union[None, UploadedFile] The file converted to a streamlit `UploadedFile` object. Returns `None` if the script context cannot be grabbed. """ if ctx is None: print("script context not found, skipping uploading file:", file.name) return file_extension = os.path.splitext(file.name)[-1] file_name = file.name file_data = file.read() # The file manager will automatically assign an ID so pass `None` # Reference: https://github.com/streamlit/streamlit/blob/9a6ce804b7977bdc1f18906d1672c45f9a9b3398/lib/streamlit/runtime/uploaded_file_manager.py#LL98C6-L98C6 uploaded_file_rec = UploadedFileRec(None, file_name, file_extension, file_data) uploaded_file_rec = manager.add_file( ctx.session_id, ComponentsKeys.FILE_UPLOADER, uploaded_file_rec, ) return UploadedFile(uploaded_file_rec) def filter_zip_file( file: UploadedFile, supabase: Client, vector_store: SupabaseVectorStore, ) -> None: """Unzip the zip file then filter each unzipped file. Parameters ---------- file : UploadedFile The uploaded file from the file uploader. supabase : Client The supabase client. vector_store : SupabaseVectorStore The vector store in the database. """ with zipfile.ZipFile(file, "r") as z: unzipped_files = z.namelist() for unzipped_file in unzipped_files: with z.open(unzipped_file, "r") as f: filter_file(f, supabase, vector_store) def filter_file(file, supabase, vector_store): # Streamlit file uploads are of type `UploadedFile` which has the # necessary methods and attributes for this app to work. if not isinstance(file, UploadedFile): file = file_to_uploaded_file(file) file_extension = os.path.splitext(file.name)[-1] if file_extension == ".zip": filter_zip_file(file, supabase, vector_store) return True if file_already_exists(supabase, file): st.write(f"😎 {file.name} is already in the database.") return False if file.size < 1: st.write(f"💨 {file.name} is empty.") return False if file_extension in file_processors: if st.secrets.self_hosted == "false": file_processors[file_extension](vector_store, file, stats_db=supabase) else: file_processors[file_extension](vector_store, file, stats_db=None) st.write(f"✅ {file.name} ") return True st.write(f"❌ {file.name} is not a valid file type.") return False def url_uploader(supabase, vector_store): url = st.text_area("**Add an url**",placeholder="https://meraGPT.com") button = st.button("Add the URL to the database") if button: if not st.session_state["overused"]: html = get_html(url) if html: st.write(f"Getting content ... {url} ") try: file, temp_file_path = create_html_file(url, html) except UnicodeEncodeError as e: st.write(f"❌ Error encoding character: {e}") file, temp_file_path = create_html_file(url, html) ret = filter_file(file, supabase, vector_store) delete_tempfile(temp_file_path, url, ret) else: st.write(f"❌ Failed to access to {url} .") else: st.write("You have reached your daily limit. Please come back later or self host the solution.")