FileSystemDocsLoader error

[Adam Cox]

Hi all.  I am getting an error when trying to upload design documents. 

Here is my python script:

from couchdbkit import *

import sys

if __name__ == '__main__':

    uri = sys.argv[1]

    dbname = sys.argv[2]

    print uri, dbname

    s = Server(uri)

    db = s.get_or_create_db(dbname)

    print db

    loader = FileSystemDocsLoader('_design')

    loader.sync(db, verbose=True)

And this script is run in a directory where the folder "_design" exists. Inside _design is

_design:

      language

      views:

           daqmap:

                map.js

                reduce.js

           hvlog:

                map.js

                reduce.js

When I run the script, I get the following error:

12:13pm adam:./uploadToDb.py http://xxx.xxx.xxx.xxx:5984 testdb

http://xxx.xxx.xxx.xxx testdb

<Database testdb>

Traceback (most recent call last):

  File "./uploadToDb.py", line 17, in <module>

    loader.sync(db, verbose=True)

  File "/Library/Python/2.6/site-packages/couchdbkit-0.5.2-py2.6.egg/couchdbkit/loaders.py", line 87, in sync

    pushapps(path, dbs, atomic=atomic)

  File "/Library/Python/2.6/site-packages/couchdbkit-0.5.2-py2.6.egg/couchdbkit/designer/fs.py", line 432, in pushapps

    doc['_rev'] = db.last_rev(doc['_id'])

AttributeError: 'Database' object has no attribute 'last_rev'

I swear that this used to work for me in the past, but now I can't figure out what is wrong.

Thanks in advance for your help!

Adam

[Adam Cox]

I upgraded to 0.5.4 and the error is still there. 

Adam

[Benoit Chesneau]

On May 27, 2011, at 12:25 PM, Adam Cox wrote:

> I upgraded to 0.5.4 and the error is still there.
>
>
> Adam
>

Thanks adam,

I will check it later in the night here. Did you test with last head?

- benoît

[Adam Cox]

Hi... no I didn't try with the latest version. 

[Adam Cox]

my directory structure under _design is actually this:

_design:

      muonveto:

[Doug Latornell]

I saw the same error a few days ago when I upgraded an app from couchdbkit 0.4.11 to dev tip. I didn't have time to dig into the library for the cause any deeper than to figure out that FileSystemDocsLoader('_design') appears to be not iterating over the views directories in the same way it used to. I was able to work around the problem by changing my code from:

from couchdbkit.loaders import FileSystemDocsLoader

          loader = FileSystemDocsLoader(design_docs_path)

          loader.sync(database)

to:

from couchdbkit.designer import push

          base_path = design_docs_path

          for design_docs_dir in os.listdir(base_path):

              docs_path = os.path.join(base_path, design_docs_dir)

              push(docs_path, database)

[Benoit Chesneau]

Have you put a ".couchapprc" in your folders ? This is how it works
now to know if an app is an app. Would it be better if the system
doesn't rely on it ?

- benoît

[Adam Cox]

Hi..
I don't have a .couchapprc file in any of the _design folders.

And now... I'm sorry to report, I can't reproduce my error!!

Adam

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[Ceri Storey]

Hi Benoit and co.

I've seen this error triggered when the credentials specified to couchdb (or lack therof) don't have admin privileges, and thereby isn't able to write to the design documents.

In one case, couchdbkit.designer.fs:pushapps, any BulkSaveError from Database.save_docs() is caught, under the assumption that there is an existing design document of that name. However, it looks like in this case the exception raised by Database.save_docs() is a little overly-course, in this case corresponding to the following response-body from couchdb:

HTTP/1.1 201 Created

Server: CouchDB/1.0.1 (Erlang OTP/R13B)

Date: Sat, 04 Jun 2011 10:30:00 GMT

Content-Type: application/json

Content-Length: 203

Cache-Control: must-revalidate

[{"id":"_design/kingschamber","error":"unauthorized","reason":"You are not a db or server admin."},{"id":"_design/kingschamber_mgmt","error":"unauthorized","reason":"You are not a db or server admin."}]

(Admittedly, it's quite difficult to handle this well as there are multiple error cases to handle and you can only ever throw a single exception at once). 

That said, I can't see that the method used to recover (Database.last_rev()) in this case is actually defined anywhere in the couchdbkit source code; I guess this is just an oversight. 

Anyway, I hope this is useful.