def getpaths( data, paths):
'extract from dict by multiple key-paths: [ [ str|list, str|list, ...] ] '
r = {}
for p in paths:
r.update( getpath( data, p))
return r
def getpath( data, path):
'extract from dict by key-path: [ str|list, str|list, ...] ; each level is single key or multiple keys/OR'
if not path: return data
r = {}
i = path[0]
for e in (i if isinstance( i, (list,tuple)) else [ i ]):
r[e] = getpath( data.get(e), path[1:] )
return r
if __name__ == '__main__':
import sys
sys.path.pop(0) #XXX HACK avoid cur dir .. because struct.py
from couchdb import Server
server = Server( sys.argv[1])
data = server.stats()
paths = [
[ 'couchdb', 'database_writes', 'current' ], #this misses db-create/delete. even with couchdb/open_databases
[ 'httpd_request_methods', 'COPY DELETE POST PUT'.split(), 'current' ],
]
print( getpaths( data, paths))
# vim:ts=4:sw=4:expandtab
