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Forum Discussion
how to get file_id, file_size metadata using filename gotten from file chooser (python)
I have used dropbox file chooser to download files and filelinks. After I extract the filenames using the file chooser, I want to get more extended metadta.
To do that I first went through Oauth2, then I used the following python codes:
fileid=dbx.files_get_metadata('/'+filename).id
but got the following error message:
File "/home/serve624/lib/python2.7/site-packages/dropbox/base.py", line 449, in files_get_metadata
None,
File "/home/serve624/lib/python2.7/site-packages/dropbox/dropbox.py", line 272, in request
user_message_locale)
ApiError: ApiError('f865f89a9c9f0c3e53e7319f8d99e3cf', GetMetadataError(u'path', LookupError(u'not_found', None)))
Here is another line of python codes:
filesize=dbx.files_get_metadata('/'+filename).size
File "/home/serve624/lib/python2.7/site-packages/dropbox/base.py", line 449, in files_get_metadata
None,
File "/home/serve624/lib/python2.7/site-packages/dropbox/dropbox.py", line 272, in request
user_message_locale)
ApiError: ApiError('25dcb0204364f0edcc35c33231877b85', GetMetadataError(u'path', LookupError(u'not_found', None)))
These two lines of python codes worked for some files from one account but not for files in another account. I don't know what the error message means. Could it be that the file path in the () is not correct? If so how should I compose the file path? How do I get the correct file path from the file chooser?
Thank you for your help.
I just took another look at your code, and I see you're trying to access the `size` returned by the Chooser, but per the documentation that should actually be `bytes`, so you can access it like `obj[0].bytes`.
The API v2 Python SDK's files_get_metadata method does accept a file ID in place of a path, so you can just call `dbx.files_get_metadata(fileID)`, where `fileID` is the file ID you got from the Chooser as `obj[0].id)`.
- Greg-DB
Dropbox Staff
When calling files_get_metadata like this, you need to supply the full path and name for the file. If you don't supply the path to a file that exists, you'll get this not_found error.
The Chooser only returns the name of the file, and not the path. So, if the file happens to exist in root, your files_get_metadata call will happen to find it. If it doesn't though, you won't have the right path, and the call will fail.
Alternatively, if you're using the web Chooser, you can get the "id" returned by the Chooser and pass that to files_get_metadata instead. The "id" was recently added to the Chooser though, and isn't officially documented, so I can't promise it will be reliable.
- Hello Greg,I am using Dropbox Javascript file chooser, can I get fileid that way? Assume I can, how can I use fileid to get modified time, client creation time and download the thumbnail?Q
- Greg-DB
Yes, using the JavaScript Chooser, get the 'id' from the result, just like you get the filename. Then, pass that directly into files_get_metadata.
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