I think your "image\/png" is just an artifact of your printing method, you don't need to escape the forward slash in content_type, see example below;
{"_id":"doc1","_rev":"1-96e2a6c78b8bfb227e79e1fbb16873f9","_attachments":{"att1":{"content_type":"image/png","revpos":1,"digest":"md5-XUFAKrxLKna5cZ2REBfFkg==","length":5,"stub":true}}} B. On 11 December 2013 12:35, Daniel Gonzalez <gonva...@gonvaled.com> wrote: > That would work *only* for that prefix (data:image/png;base64,), or any > prefix which happens to have the same length. Not very robust. > > I just discovered that the data coming from the front-end comes in data-uri > format (rfc2397). This should handle any rfc2397 prefix: > http://stackoverflow.com/a/20518589/647991 (maybe buggy, just implemented). > > Another question: even after removing the data-uri prefix, I am still > getting problems. I think my content type is not right. > > Must content_type be escaped? That is: > > 'content_type': 'image/png', -> 'content_type': 'image\/png', > > The only reference I see to that is an example here: > http://wiki.apache.org/couchdb/HTTP_Document_API#Inline_Attachments > > But no real explanation of why. It seems no other strings must be escaped > for couchdb. The only requirement that couchdb seems to impose on top of > json is that the data in the attachment must be in base64 format. > > But now it seems that the content_type must escape the slashes (/). Why? It > does not seem to be a json feature: slashes are fine in any json string. So > what is that? > > I would like to know the specificacion for the format expected for > content_type. Does that have a name? I am calling it "escaped mediatype". > Is it part of a more generic escaping process expected by couchdb, or only > the content_type is affected? Is there an official name for that? > > > On Wed, Dec 11, 2013 at 12:18 PM, Johannes Jörg Schmidt < > schm...@netzmerk.com> wrote: > >> data.slice(22) >> >> 2013/12/11 Daniel Gonzalez <gonva...@gonvaled.com>: >> > Thanks, I just realized about this. The base64 is coming from the >> > javascript frontend (chose file in a form). So I need to remove the >> > prefix "data:image/png;base64,". >> > Not sure how to do this without rolling my own regexes though. >> > >> > >> > On Wed, Dec 11, 2013 at 12:01 PM, Alexander Shorin <kxe...@gmail.com> >> wrote: >> > >> >> Hi, >> >> >> >> _attachments data should be valid base64 encoded string, while you have: >> >> > >> >> >> data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAM8AAADkCAIAAACwiOf9AAAAA3NCSVQICAjb4U/gAAAgAElEQVR4nO... >> >> >> >> Chars : and , are invalid for base64. >> >> -- >> >> ,,,^..^,,, >> >> >> >> >> >> On Wed, Dec 11, 2013 at 2:49 PM, Daniel Gonzalez <gonva...@gonvaled.com >> > >> >> wrote: >> >> > Hi, >> >> > >> >> > (SO reference: http://stackoverflow.com/q/20516980/647991. I post >> there >> >> > because formatting makes things much easier to read, replies / >> comments >> >> are >> >> > well organized, and the up/downvote mechanism works) >> >> > >> >> > I am performing the following operation: >> >> > >> >> > 1. Prepare some documents: `docs = [ doc1, doc2, ... ]`. The documents >> >> have >> >> > *maybe* attachments >> >> > 2. I `POST` to `_bulk_docs` the list of documents >> >> > 3. I get an `Exception > Problems updating list of documents (length = >> >> 1): >> >> > (500, ('badarg', '58'))` >> >> > >> >> > My `bulk_docs` is (in this case just one): >> >> > >> >> > [ { '_attachments': { 'image.png': { 'content_type': >> >> > 'image/png', >> >> > 'data': >> >> > >> >> >> 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAM8AAADkCAIAAACwiOf9AAAAA3NCSVQICAjb4U/gAAAgAElEQVR4nO...'}}, >> >> > '_id': '08b8fc66-cd90-47a1-9053-4f6fefabdfe3', >> >> > '_rev': '15-ff3d0e8baa56e5ad2fac4937264fb3f6', >> >> > 'docmeta': { 'created': '2013-10-01 14:48:24.311257', >> >> > 'updated': [ '2013-10-01 >> 14:48:24.394157', >> >> > '2013-12-11 >> 08:19:47.271812', >> >> > '2013-12-11 >> 08:25:05.662546', >> >> > '2013-12-11 >> 10:38:56.116145']}, >> >> > 'org_id': 45345, >> >> > 'outputs_id': None, >> >> > 'properties': { 'auto-t2s': False, >> >> > 'content_type': 'image/png', >> >> > 'lang': 'es', >> >> > 'name': 'dfasdfasdf', >> >> > 'text': 'erwerwerwrwerwr'}, >> >> > 'subtype': 'voicemail-st', >> >> > 'tags': ['RRR-ccc-dtjkqx'], >> >> > 'type': 'recording'}] >> >> > >> >> > This is the detailed exception: >> >> > >> >> > Traceback (most recent call last): >> >> > File "portal_support_ut.py", line 470, in test_UpdateDoc >> >> > self.ps.UpdateDoc(self.org_id, what, doc_id, new_data) >> >> > File >> >> > >> >> >> "/home/gonvaled/projects/new-wavilon-portal/python_modules/wav/ps/complex_ops.py", >> >> > line 349, in UpdateDoc >> >> > success, doc = database.UpdateDoc(doc_id, new_data) >> >> > File >> >> > >> >> >> "/home/gonvaled/projects/new-wavilon-portal/python_modules/wav/cdb/core/updater.py", >> >> > line 38, in UpdateDoc >> >> > res = self.SaveDoc(doc_id, doc) >> >> > File >> >> > >> >> >> "/home/gonvaled/projects/new-wavilon-portal/python_modules/wav/cdb/core/saver.py", >> >> > line 88, in SaveDoc >> >> > else : self.bulk_append(doc, flush, update_revision) >> >> > File >> >> > >> >> >> "/home/gonvaled/projects/new-wavilon-portal/python_modules/wav/cdb/core/bulker.py", >> >> > line 257, in bulk_append >> >> > if force_send or flush or not self.timer.use_timer : >> >> > self.BulkSend(show_progress=True) >> >> > File >> >> > >> >> >> "/home/gonvaled/projects/new-wavilon-portal/python_modules/wav/cdb/core/bulker.py", >> >> > line 144, in BulkSend >> >> > results = self.UpdateDocuments(self.bulk) >> >> > File >> >> > >> >> >> "/home/gonvaled/projects/new-wavilon-portal/python_modules/wav/cdb/core/bulker.py", >> >> > line 67, in UpdateDocuments >> >> > results = self.db.update(bulkdocs) >> >> > File >> >> > >> >> >> "/home/gonvaled/.virtualenvs/python2.7.3-wavilon1/local/lib/python2.7/site-packages/couchdb/client.py", >> >> > line 764, in update >> >> > _, _, data = self.resource.post_json('_bulk_docs', >> body=content) >> >> > File >> >> > >> >> >> "/home/gonvaled/.virtualenvs/python2.7.3-wavilon1/local/lib/python2.7/site-packages/couchdb/http.py", >> >> > line 527, in post_json >> >> > **params) >> >> > File >> >> > >> >> >> "/home/gonvaled/.virtualenvs/python2.7.3-wavilon1/local/lib/python2.7/site-packages/couchdb/http.py", >> >> > line 546, in _request_json >> >> > headers=headers, **params) >> >> > File >> >> > >> >> >> "/home/gonvaled/.virtualenvs/python2.7.3-wavilon1/local/lib/python2.7/site-packages/couchdb/http.py", >> >> > line 542, in _request >> >> > credentials=self.credentials) >> >> > File >> >> > >> >> >> "/home/gonvaled/.virtualenvs/python2.7.3-wavilon1/local/lib/python2.7/site-packages/couchdb/http.py", >> >> > line 398, in request >> >> > raise ServerError((status, error)) >> >> > ServerError: (500, ('badarg', '58')) >> >> > >> >> > >> >> > What does that `badarg` mean? Is it possible to send attachments when >> >> doing >> >> > `_bulk_docs`? >> >> > >> >> > Thanks, >> >> > Daniel >> >> >>