feat: update pretrained model url, raise error if there are no files to preprocess, shuffle files consistently

[34j]

Description of change

🤖 Generated by Copilot at 2f15ae2

Summary

📝🛠️🚀

This pull request introduces several improvements and updates to the so-vits-svc-fork module, such as adding numpy as a dependency, using a fixed random seed, enhancing the error handling and code clarity of the preprocessing functions, updating the training and model loading methods, and adding the pretrained model URLs to the config templates. It also updates the README.md file and the default config type for the command line interface.

The so-vits-svc-fork repo
Has some changes that you should know
It has new configs and models
And some code that coddles
The users who want to train with quickvc

Walkthrough

• Update README.md to use the latest branch name 4.1 (link)
• Change default config type for command line interface to so-vits-svc-4.0v1 (link)
• Add pretrained model URLs for quickvc, so-vits-svc-4.0v1-legacy, and so-vits-svc-4.0v1 configs to JSON files (link, link, link)
• Modify ensure_pretrained_model function to accept model type or URLs dictionary and download models in parallel (link, link)
• Pass pretrained model URLs from config file to ensure_pretrained_model function in train function (link)
• Add DeviceStatsMonitor callback to monitor GPU usage and memory during training (link, link)
• Import numpy module and create random state object for reproducible shuffling of paths in preprocess_config function (link, link)
• Replace shuffle function with random.shuffle function that uses random state object in preprocess_config function (link)
• Add check for empty input directory and raise ValueError in preprocess_resample function (link)
• Remove redundant line that appends input path to in_paths list in preprocess_resample function (link)

Pull-Request Checklist

• Code is up-to-date with the main branch
• This pull request follows Contributing.md
• This pull request links relevant issues as Fixes #0000
• pre-commit run -a passes with this change or ci passes
• poetry run pytest passes with this change or ci passes
• (There are new or updated unit tests validating the change)
• Documentation has been updated to reflect this change
• The new commits follow conventions outlined in the conventional commit spec

[codecov]

Codecov Report

Patch coverage: 38.88% and project coverage change: -0.03 ⚠️

Comparison is base (3940a4c) 19.52% compared to head (2f15ae2) 19.50%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #715      +/-   ##
==========================================
- Coverage   19.52%   19.50%   -0.03%     
==========================================
  Files          39       39              
  Lines        3431     3441      +10     
  Branches      477      481       +4     
==========================================
+ Hits          670      671       +1     
- Misses       2744     2752       +8     
- Partials       17       18       +1     

Impacted Files	Coverage Δ
src/so_vits_svc_fork/__main__.py	0.00% <ø> (ø)
src/so_vits_svc_fork/utils.py	21.63% <0.00%> (-0.64%)	⬇️
...vits_svc_fork/preprocessing/preprocess_resample.py	69.69% <50.00%> (-2.62%)	⬇️
src/so_vits_svc_fork/train.py	21.56% <50.00%> (+0.30%)	⬆️
src/so_vits_svc_fork/__init__.py	100.00% <100.00%> (ø)
..._svc_fork/preprocessing/preprocess_flist_config.py	90.90% <100.00%> (+0.16%)	⬆️

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