class Folder(db.Model):
name = db.StringProperty()
subfolders = db.ListProperty(File)
parent = db.SelfReferenceProperty()
This is how folder can be implemented. A folder must know what all
files are child. Also a folder must know the parent folder (folders in
case of cyclic dir structure).
Apart from this, you might also implement Linux inode system in a
model, for book keeping.
On May 6, 5:41 am, Tim Hoffman <zutes...@gmail.com> wrote:
> You will need to create a Folder entity
> It will need to know it's children, and you will need to support
> some form of url traversability to walk the folder heirarchy.
>
> I am doing that with zope3 components on gae
>
> Django doesn't normally do url traversing, but has a regex match to
> method
>
> Do you really need a folder heirarchy, have you gone down that path
> because you are just trying to
> replicate a filesystem, with out really needing those semantics ?
>
> If you really want this sort of functionality you might want to look
> at repoze.bfg it is just been
> made useable under gae (and is zope 3 based though much simpler) and
> does support inherintly
> the notion of url traversal over an object model/graph
>
> Rgds
>
> T
>
> On May 6, 6:34 am, Shedokan <shedok...@gmail.com> wrote:
>
> > I am porting my WebOS(Shedokan OS) to python from php so I can use it
> > og GAE and I came to the stage where I need to read and write files.
>
> > And after a lot of searching I found out that I cannot create files or
> > write to files.
> > here is my code:
>
> > from google.appengine.ext import db
>
> > class File(db.Model):
> > filename = db.StringProperty(multiline=False)
> > filedata = db.BlobProperty
> > date = db.DateTimeProperty(auto_now_add=True)
>
> > def createFile(fileName, content):
> > if fileName=='' or content=='':
> > return
> > file = File()
> > file.filedata = content
> > file.filename = fileName
> > file.put()
>
> > def getFile(fileName):
>
> > if fileName=='':
> > return
> > return db.GqlQuery('SELECT * FROM File WHERE filename= :1',fileName)
>
> > any way to make this work with a folder structure?
>
> > also I want to note that I started learning python just about 3 days
> > ago, so I think I'm a begginer.
>
> > thanks.
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