maybe a linux inode book keeping will help with search
On May 8, 5:07 am, Shedokan <shedok...@gmail.com> wrote:
> No, I mean the content of a file so if it's a text file then it'll
> contain text.
>
> I found this to add to the File class:
> contents = db.BlobProperty()
>
> and this when I set it:
> file.contents = db.Blob(content)
>
> but when I retrive it from the data store I can't find a way to get
> the value.
>
> And for the os like folder and file structure, wouldn't it be better
> to store the path of the folder to the data store instead of saving
> only the parents key?
>
> because if I would want to get a file with this path:
> Folder/Folder 2/File.txt
>
> then I would just search for a file named File.txt with a path "Folder/
> Folder 2",
> instead of searching for a folder called "Folder" and the searching in
> it for a folder named "Folder 2" and then searching in it a file named
> "File.txt".
>
> just want your opinion because you all clearly have much more
> experience than me with database structure etc.
>
> On 7 מאי, 16:26, slink3r <slin...@gmail.com> wrote:
>
> > A blob with a key pointing back to the folder
>
> > -Brian
>
> > On May 6, 8:00 am, Shedokan <shedok...@gmail.com> wrote:
>
> > > Tim:
> > > I don't quite understand most of what you said because I kinda really
> > > new to python programming I know only php and python, but what I do
> > > understand I will try to do.
>
> > > What type do you people suggest I'll use for the file content?
>
> > > On 6 מאי, 06:16, Pranav Prakash <pra...@gmail.com> wrote:
>
> > > > 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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