Files
ds_microdot/scripts/transcriber.py
T
Michael Ikehi c345538243 Add tiered summarization based on pricing plans
- Implement advanced AI summarization with action items for Pro plan
- Create basic bullet-point summarization for Freemium plan
- Add plan tier validation and feature differentiation
- Support speaker identification in transcripts
- Define plan limits (600 mins Pro/200 mins Freemium)
2025-04-24 10:15:13 +01:00

190 lines
7.2 KiB
Python

import os
import logging
import re
import uuid
import yt_dlp
from deepgram.utils import verboselogs
from dotenv import load_dotenv
load_dotenv()
from deepgram import DeepgramClient, PrerecordedOptions, FileSource
# Define your URLs (example URLs)
#audio_url = "https://s3.us-east-2.amazonaws.com/com.mkdlabs.images/baas/jordan/019933724441Business%20English%20Conversation%20Lesson%2045_%20Meeting%20a%20New%20Colleague.mp3"
#video_url = "https://s3.us-east-2.amazonaws.com/com.mkdlabs.images/baas/jordan/038426704141Business%20English%20Conversation%20Lesson%2045_%20%20Meeting%20a%20New%20Colleague.mp4"
# Folder for file uploads/downloads
# Folder for file uploads/downloads
UPLOAD_FOLDER = os.path.join(os.getcwd(), "../uploads")
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
def sanitize_filename(name: str) -> str:
"""
Remove characters from the filename that are not allowed in many file systems.
"""
return re.sub(r'[^\w\s-]', '', name).strip().replace(' ', '_')
def extract_audio(url: str, output_template=os.path.join(UPLOAD_FOLDER, "%(title)s.%(ext)s")) -> str:
"""
Download and extract audio from a video URL using yt-dlp.
The file will be saved in the 'upload' folder.
Returns:
str: The absolute path to the downloaded audio file (with a unique id appended).
"""
ydl_opts = {
"format": "bestaudio/best",
"outtmpl": output_template,
"postprocessors": [{
"key": "FFmpegExtractAudio",
"preferredcodec": "mp3",
"preferredquality": "192",
}],
"quiet": True,
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
info = ydl.extract_info(url, download=True)
# Prepare the filename from the info.
# Note: prepare_filename returns the filename *before* postprocessing,
# so we change the extension to mp3.
original_filepath = os.path.splitext(ydl.prepare_filename(info))[0] + ".mp3"
# Debug: list files in the upload folder
if not os.path.exists(original_filepath):
files = os.listdir(UPLOAD_FOLDER)
print("Warning: Could not find expected file.")
print("Files in upload folder:", files)
raise FileNotFoundError(f"Expected audio file not found: {original_filepath}")
# Get the video's title and sanitize it
title = info.get('title', 'audio')
safe_title = sanitize_filename(title)
# Generate a unique identifier
unique_id = uuid.uuid4().hex # Unique identifier in hex format
# Construct the new filename with the unique id appended.
new_audio_filename = f"{safe_title}_{unique_id}.mp3"
new_audio_filepath = os.path.join(UPLOAD_FOLDER, new_audio_filename)
# Rename the downloaded file to include the unique ID.
os.rename(original_filepath, new_audio_filepath)
print(f"Renamed file to: {new_audio_filepath}")
# Return the absolute path to the renamed audio file.
return os.path.abspath(new_audio_filepath)
def transcribe_media(file_loc: str, media_type: str = "audio"):
"""
Transcribe media using Deepgram.
If media_type is "audio" (remote URL), use Deepgram's URL transcription.
If media_type is "video" (remote URL), extract audio locally (in the upload folder),
transcribe via file, and then delete the local audio file.
Args:
file_loc (str): URL to the remote audio or video file.
media_type (str): "audio" or "video".
Returns:
dict: The transcription response from Deepgram.
"""
api_key = os.getenv("DEEPGRAM_API_KEY2")
print(f"Using Deepgram API Key: {api_key}")
local_audio_path="some_rand"
try:
deepgram: DeepgramClient = DeepgramClient(api_key=api_key)
options: PrerecordedOptions = PrerecordedOptions(
model="nova-3",
smart_format=True,
diarize=True,
)
if media_type.lower() == "audio":
# For remote audio files, use the URL transcription method.
response = deepgram.listen.rest.v("1").transcribe_url({"url": file_loc}, options)
elif media_type.lower() == "video":
# For remote video files, first extract the audio locally.
local_audio_path = extract_audio(file_loc)
print(f"Extracted audio to: {local_audio_path}")
# Transcribe using the local file method.
with open(local_audio_path, "rb") as file:
buffer_data = file.read()
payload: FileSource = {"buffer": buffer_data}
response = deepgram.listen.rest.v("1").transcribe_file(payload, options)
# Clean up: delete the local audio file.
if os.path.exists(local_audio_path):
os.remove(local_audio_path)
print(f"Deleted local audio file: {local_audio_path}")
else:
raise ValueError("media_type must be either 'audio' or 'video'.")
return response
except Exception as e:
print(f"Exception during transcription: {e}")
return None
finally:
# Clean up: delete the local audio file.
if os.path.exists(local_audio_path):
os.remove(local_audio_path)
print(f"Deleted local audio file: {local_audio_path}")
def group_words_into_sentences(words, max_words=15):
sentences = []
current_sentence = []
current_speaker = None
start_time = None
for i, word_info in enumerate(words):
word = word_info["punctuated_word"]
speaker = word_info["speaker"]
start = word_info["start"]
end = word_info["end"]
# If speaker changes or sentence reaches max length, start a new sentence
if speaker != current_speaker:
if current_sentence:
sentences.append({
"sentence": " ".join([w["word"] for w in current_sentence]),
"speaker": current_speaker,
"start": start_time,
"end": words[i-1]["end"],
"words": current_sentence
})
current_sentence = []
current_speaker = speaker
start_time = start
# Append word with metadata inside the current sentence
current_sentence.append({"word": word, "start": start, "end": end})
# Append the last sentence if any words remain
if current_sentence:
sentences.append({
"sentence": " ".join([w["word"] for w in current_sentence]),
"speaker": current_speaker,
"start": start_time,
"end": words[-1]["end"],
"words": current_sentence
})
return {"sentences": sentences}
if __name__ == "__main__":
audio_url = "https://s3.us-east-2.amazonaws.com/com.mkdlabs.images/baas/jordan/019933724441Business%20English%20Conversation%20Lesson%2045_%20Meeting%20a%20New%20Colleague.mp3"
video_url = "https://s3.us-east-2.amazonaws.com/com.mkdlabs.images/baas/jordan/038426704141Business%20English%20Conversation%20Lesson%2045_%20%20Meeting%20a%20New%20Colleague.mp4"
# Folder for file uploads/downloads
response = transcribe_media(video_url, media_type="video")
print(response)