Google App Engine Blobstore - print HTML code in the file

I'm using the Google App Engine Blobstore service to store HTML files. These files correspond to webpages I'm trying to allow my users to edit and update.

If I have HTML f开发者_运维知识库iles in the blobstore, what would be the easiest way to fetch the HTML code from the files stored and display the code in a TextArea etc.? Then how would I go about updating that file in the blobstore?

I know there is the fetchData method which returns a byte array, so how could I display the plain text HTML code from an HTML file in the blobstore?

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I'am also storing HTML and TXT files, but I store these files in a blobproperty of the datastore.

args['text_area'] = db.Blob(db_block.content).decode('utf-8')

I use codemirror to edit the files / the texterea. Works excellent. Updating :

db_block.content = db.Blob(args['text_area'].encode('utf-8'))
db_block.put()

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figured it out. I grabbed the byte array using the blobKey passed through a GET paramater, and then used:

fetchData(blobKey, 0, BlobstoreService.MAX_BLOB_SIZE-1);

To print the byte array as readable HTML code:

<textarea id="content" name="content" rows="15" cols="85"> 
<%for(int i=0; i<blobData.length; i++){%>
<%=(char)blobData[i]%><%}%> 
</textarea></td>