def create_metadata_doc(couchdb, layer):
metadata_url = couchdb.couch_url + '/metadata'
md_doc = {
'title':
layer.wmts_source.title,
'name':
layer.name,
'type':
'tiles',
'source': {
'type': layer.wmts_source.source_type,
'url': layer.wmts_source.url,
'format': layer.wmts_source.format,
'srs': layer.wmts_source.srs,
'layers': layer.wmts_source.layer,
},
'levelMin':
layer.wmts_source.download_level_start
or layer.wmts_source.view_level_start,
'levelMax':
layer.wmts_source.download_level_end
or layer.wmts_source.view_level_end,
}
resp = requests.get(couchdb.couch_url)
if resp.status_code == 404:
requests.put(couchdb.couch_url)
resp = requests.get(metadata_url)
if resp.status_code == 200:
rev = resp.json()['_rev']
md_doc['_rev'] = rev
elif resp.status_code != 404:
raise CouchDBCache.UnexpectedResponse(
'got unexpected resp (%d) from CouchDB: %s' %
(resp.status_code, resp.content))
resp = requests.put(
metadata_url,
headers=[('Content-type', 'application/json')],
data=json.dumps(md_doc),
)
