from pymongo import MongoClient
#client = MongoClient('localhost', 27017)
client = MongoClient('psanaphi105', 27017) #, username=uname, password=pwd)
db = client['calib-cxi12345']
col = db['camera-0-cxids1-0']

# Database for experiment
dbexp = client["calib-cxif5315"]

# Collections:
col1 = dbexp["cspad-0-cxids2-0"]
col2 = dbexp["cspad2x2-0-cxids2-0"]
col3 = dbexp["andor-0-cxids2-0"]

# Document content for dbexp
doc = {
   "_id":ObjectId("53402597d852426020000002"),
   "experiment": "cxif5315"
   "run": 123
   "detector": "cspad-0-cxids2-0"
   "ctype": "pedestals"
   "time_sec": 1516321053
   "time_nsec": 123456789
   "time_stamp": "2018-01-18T16:17:33.123456789-0800"
   "version": "v00-11-22"
   "facility": "LCLS2"
   "uid": "login-name"
   "host": "psanaphi102"
   "comments": ["very good constants", "throw them in trash immediately!"]
   "data_size": 32*185*388
   "data_shape": (32,185,388)
   "data_type": "int16"
   "data": np.array(...)
}

import gridfs
from pymongo import MongoClient
#client = MongoClient('localhost')
client = MongoClient('psanaphi105', 27017)
db = client['calib-cxi12345']
fs = gridfs.GridFS(db)
col = db['camera-0-cxids1-0']