resumable.js | JavaScript library | File Upload library
kandi X-RAY | resumable.js Summary
kandi X-RAY | resumable.js Summary
Resumable.js is a JavaScript library providing multiple simultaneous, stable and resumable uploads via the HTML5 File API. The library is designed to introduce fault-tolerance into the upload of large files through HTTP. This is done by splitting each file into small chunks. Then, whenever the upload of a chunk fails, uploading is retried until the procedure completes. This allows uploads to automatically resume uploading after a network connection is lost either locally or to the server. Additionally, it allows for users to pause, resume and even recover uploads without losing state because only the currently uploading chunks will be aborted, not the entire upload. Resumable.js does not have any external dependencies other than the HTML5 File API. This is relied on for the ability to chunk files into smaller pieces. Currently, this means that support is widely available in to Firefox 4+, Chrome 11+, Safari 6+ and Internet Explorer 10+. Samples and examples are available in the samples/ folder. Please push your own as Markdown to help document the project.
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Top functions reviewed by kandi - BETA
- Create a new chunk chunk .
- Create a new resum object .
- Processes item recursively
- recursively processes a directory
- Load files from items
- Add a new file to the queue
- call the next callback in list
resumable.js Key Features
resumable.js Examples and Code Snippets
Community Discussions
Trending Discussions on resumable.js
QUESTION
The main problem:
I am looking for a solution to improve upload/download speed for large files. I've heard about relatively new technology gRPC. I understand that it is good for server to server communication e.g. microservices architecture.
Client
However I need file upload/download component on front end (browser) ( something like Fine uploader, jQuery file upload plugin, Resumable.js) with gRPC support. I can do support by myself. But I don't know how and what and if it is possible at all. So I need an example or an advise or pointing to the right direction. No matter JS side: vanilla, react, angular ...
Server side
- c# preferable
- node.js possible
- java workable
Research done on the subject
- gRPC Java File Download Example - An answer was given here as links to sample code. Unfortunately links broken.
- SERVER STREAMING WITH GRPC AND .NET CORE - A client side is console.
- Update UploadFileClient.java - as above
- gRPC for .NET Examples - there is no example I need
- The state of gRPC in the browser and his repo Test various implementations of gRPC-Web Clients with various implementations of gRPC-Web proxies - very interesting (I think it's possible somehow implement client in browser), however as my knowledge in gRPC is very low it's too complicated for me to accomplish my task
Please help or at least say that it is impossible
...ANSWER
Answered 2019-Dec-27 at 06:11Yes it is possible to use gRPC to communicate between browser and a server. I would propose you to do a prove of concept before implementing the solution.
gRPC uses protobuf to communicate and the data that needs to be communicated is encapsulated in a protobuf message.
The first answer in gRPC Java File Download Example is correct. To be able to transfer files over a network you have to convert it into bytes.
Using his example,
QUESTION
I'm trying to set up a large file upload system using resumable.js and django. The front end is all properly configured, and for the django side of things I am using django-resumable. I'm using a very basic view to handle the upload:
...ANSWER
Answered 2018-May-14 at 00:59It turned out that the issue was to do with the routing. I am using JSON Web Tokens for authentication, but the path to the Upload View used login_required(), which didn't seem to work. I also seem to be providing my JWTs incorrectly, with a token: field rather than in an Authentication: header.
QUESTION
There is library Resumable.js that is:
a JavaScript library providing multiple simultaneous, stable and resumable uploads via the HTML5 File API. The library is designed to introduce fault-tolerance into the upload of large files through HTTP.
but according to Resumable.js site:
Resumable.js does not have any external dependencies other the HTML5 File API. This is relied on for the ability to chunk files into smaller pieces. Currently, this means that support is limited to Firefox 4+ and Chrome 11+
Sometimes developers do not immediately update documentation. Are there any changes at the moment: does Resumable.js support resumable uploading for IE v11 and Windows 10 Edge?
...ANSWER
Answered 2018-Jan-26 at 09:39According to their current documentation, they support all major browsers, including Internet Explorer 10+ (Github Resumable.js):
Resumable.js does not have any external dependencies other than the HTML5 File API. This is relied on for the ability to chunk files into smaller pieces. Currently, this means that support is widely available in to Firefox 4+, Chrome 11+, Safari 6+ and Internet Explorer 10+.
Their documentation doesn't say anything about Opera, but it mentions that the only Resumable.js dependency is the HTML5 File API.
Here's a link to the Opera 2.8 documentation, regarding the implementation of the File API, so it should work: W3C File API support in Opera Presto 2.8
QUESTION
I'm writing a Python backend for Resumable.js, which allows uploading large files from a browser by splitting them into smaller chunks on the client.
Once the server has finished saving all chunks into a temporary folder, it needs to combine them. Individual chunks are quite small (1 MB by default) binary files, but their total size could be possibly larger than the web server's available memory.
How would you do the combining step in Python? Say a folder only contains n files, with names: "1", "2", "3"...
Can you explain how:
read()write(.., 'wb')write(.., 'ab')shutil.copyfileobj()mmap
would work in this case and what would be the recommended solution, based on these memory requirements?
...ANSWER
Answered 2017-Jan-12 at 03:16Think outside the box. The easiest way to do this in a Unix-esqe environment is something like:
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