def collection_info(dbname, cname, **kwa):
"""Returns (str) info about collection documents.
"""
s = 'DB %s collection %s' % (dbname, cname)
docs = find_docs(dbname, cname)
if not docs: return s
s += ' contains %d docs\n' % len(docs)
docs = sorted(docs, key=my_sort_parameter) #, reverse=True
doc = docs[0]
s += '\n %s' % mu.document_keys(doc) # str(doc.keys())
_, title = mu.document_info(doc, **kwa)
s += '\n doc# %s' % title
for idoc, doc in enumerate(docs):
vals,_ = mu.document_info(doc, **kwa)
s += '\n %4d %s' % (idoc, vals)
return s
def document_info(doc, keys=('time_sec','time_stamp','experiment',\
'detector','ctype','run','id_data_ts','data_type','data_dtype', '_id'),\
fmt='%10s %24s %11s %24s %16s %4s %30s %10s %10s %24s'):
"""The same as dbu.document_info, but with different default parameters (added _id).
"""
return dbu.document_info(doc, keys, fmt)