Let's say that I upload a text file to Dropbox via Python API.
If I constantly append 1Mb of data per day and sync it, in the Day 10 will Dropbox upload all the 10Mb and replace the old file or just 1Mb and extend to the 9Mb file that have left?
If you're uploading a file to Dropbox using the Dropbox Python SDK, e.g., with the files_upload method, the entire file contents has to be uploaded with every upload. The Dropbox API doesn't offer a way to just append to existing files, but I'll pass this along as a feature request.
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I want to compress a file before uploading it on server in sapui5 (image(png/jpeg/jpg)/pdf/). I want to upload a large files but i want to compress that file before uploading. Please suggest me solution ?
I think you will not be able to do it with instant upload. Instead, you should obtain the file from the change event of the file uploader (check out the change event, it has a files parameter).
You can then use that file object together with the zip.js library to create an in-memory zip and save it into e.g. a Blob. Afterwards you simply send the blob into a POST request (e.g. look at How can javascript upload a blob?). Maybe you should also provide some file-uploading specific headers (like the Slug).
Is it possible using the Dropbox JS SDK to create a JavaScript web application that is able to parse the files in a user's Dropbox? In my use case, the user has some JSON files that I would like to parse and preview in the browser. Will the filesDownload(arg) method allow for this type of application, or is it only able to download the file to the user's machine?
The download methods, such as filesDownload and sharingGetSharedLinkFile return the file content directly as a Blob, as seen in the download example.
As long as you can use a Blob to do what you want, this should be possible.
Is it possible to download a file that I uploaded via filepicker, in chucks? I work on a platform that doesn't allow me to download files overs a certain size programmatically, (httprequest) so I have a need to retrieve the file in chucks and reassemble them.
No we don't currently provide this functionality.
Is it possible to get Google Drive to automatically convert uploaded documents to the native format?
I know it works with manual upload (i.e. Google Drive can auto-convert files you upload via the website), but I want to avoid having to upload every file by hand.
I'd prefer to use the API, or better yet, dump the files in my ~/Google Drive folder.
Using the API, you can pass the convert=true parameter to files.insert. The uploaded file will attempt to be converted to a native Google Docs format.
Sure, see this answer. Note you can upload a text file or a csv file and set its content type to google doc or google sheets respectively, and google will attempt to convert it. I have tested this for text -> doc and it works. You will need to set the const contentType at the start of the code to one of the supported google mimetypes.
Here is a situation I have a data file in document directory which is being updated in the application every now and then. So I want to save it to my desktop using iTunes. But I don't want that the file should be uploaded back to my application. i.e. I want that user can download the file but can not upload any.
I was thinking to have the data file on some other location like Library and put a button on application settings saying "Prepare backup" that will copy that data file in Document directory, from where user can download it. If user uploads any thing it won't make any difference as my current file is in Library directory.
This is just a thought,
can anyone suggest me other way or the above way is good to go?
Edit: I just need that after the successful export user can view the data file (may be later) without support of the application.
You can't.
But what you can do is check (using an timer every 10 seconds) if a new file is added to the documents directory and then delete it programmatically.
But this ofcourse doesn't disable the replacement of files.