The phrase "is rewritten from" is grammatically correct and can be used in written English.
It is typically used when indicating that a particular text or idea has been revised or rephrased from a previous version. Example: "The final report is rewritten from the original draft, incorporating new data and insights."
Most of the news on the site is rewritten from other sources, then given a single link to the original.
Much of the service is rewritten from scratch, but there's still plenty of Hotmail in there; the word Hotmail still shows up on various screens.
This means that transport documentation is rewritten from SMGS to COTIF, or vice versa.
First of all, be aware that most news we read these days is rewritten from an original piece by an "on-the-street" reporter who covered it in real time.
He is delighted with the positive attention he receives because of his name, but when the television character is rewritten from a hero to a bumbling idiot, he is mocked and taunted, so he changes his name to "Max Power" to rid himself of the negative attention.
This was merged with Reddit, and Reddit was rewritten from the Lisp programming language into Python, using Swartz's web.py framework.
"These applications were rewritten from the ground up," it explained, "to be fully 64-bit and to support a unified file format between OS X and iOS 7 versions".
As you read this, it is already being rewritten from the point of view of the author's children, whose clamor for lunch is left unheard; the online programmers, whose agency in getting it to the office is left unseen; and the copy editor, who invisibly fixes its grammar while sighing at its small ironies.
The article as it appears now has been rewritten from when it first appeared earlier.
Since the program was rewritten from scratch, it was the opportunity to look forward and consider new avenues.
The latest changes are outlined in a company blog post, which says the product code was rewritten from scratch.
