This commit is contained in:
Steve Nyemba 2019-09-17 11:21:42 -05:00
parent bc8f24d3cc
commit e8328e577d
5 changed files with 38 additions and 25 deletions

View File

@ -13,12 +13,24 @@ This project implements an abstraction of objects that can have access to a vari
The basic usage revolves around a factory class (to be a singleton)
import transport
p = {"uri":"https://your-server:5984","dbname":"mydatabase","doc":"doc_id"}
couchdb = transport.Factory.instance(type='CouchdbReader',args=p)
from transport import factory
#
# importing a mongo reader
args = {"host":"<host>:<port>","dbname":"<database>","doc":"<doc_id>",["username":"<username>","password":"<password>"]}
mreader = factory.instance(type='mongo.MonoReader',args=args)
#
# reading a document and executing a view
#
document = mreader.read()
result = mreader.view(name)
#
# importing a couchdb reader
args = {"url":"<http://host>:<port>","dbname":"<database>","doc":"<doc_id>","username":"<username>","password":"<password>"}
creader = factory.instance(type='couch.CouchReader',args=args)
#
# let's execute a view
# Reading a document and executing a view
#
result = couchdb.view('view_name/function',key=value)
info = couchdb.read()
document = dreader.read()
result = couchdb.view(id='<design_doc_id>',view_name=<view_name',<key=value|keys=values>)

View File

@ -22,7 +22,7 @@ The configuration for the data-store is as follows :
username:<username>,
password:<password>,
dbname:<database>,
uid:<document id>
doc:<document id>
}
}
RabbitMQ:
@ -36,7 +36,7 @@ The configuration for the data-store is as follows :
username:<username>,
password:<password>,
dbname:<database>,
uid:<document id>s
doc:<document id>s
}
}
@ -46,11 +46,11 @@ import numpy as np
import json
import importlib
from common import Reader, Writer #, factory
# import disk
# import queue
# import couch
# import mongo
# import s3
import disk
import queue
import couch
import mongo
import s3
class factory :
@staticmethod
def instance(**args):
@ -68,12 +68,13 @@ class factory :
# @TODO: Make sure objects are serializable, be smart about them !!
#
aClassName = ''.join([source,'(**params)'])
else:
stream = json.dumps(params)
aClassName = ''.join([source,'(**',stream,')'])
try:
anObject = eval( aClassName)
#setattr(anObject,'name',source)

View File

@ -10,17 +10,17 @@ import json
from common import Reader,Writer
class Couch:
"""
This class is a wrapper for read/write against couchdb. The class captures common operations for read/write.
@param url host & port reference
@param uid user id involved
@param doc user id involved
@param dbname database name (target)
"""
def __init__(self,**args):
url = args['url']
self.uid = args['uid']
self.uid = args['doc']
dbname = args['dbname']
if 'username' not in args and 'password' not in args :
self.server = cloudant.CouchDB(url=url)
self.server = cloudant.CouchDB(None,None,url=url)
else:
self.server = cloudant.CouchDB(args['username'],args['password'],url=url)
self.server.connect()
@ -56,10 +56,10 @@ class Couch:
def view(self,**args):
"""
We are executing a view
:id design document _design/xxxx (provide full name with _design prefix)
:view_name name of the view i.e
:key key to be used to filter the content
The function will execute a view (provivded a user is authenticated)
:id design document _design/xxxx (provide full name with _design prefix)
:view_name name of the view i.e
:key(s) key(s) to be used to filter the content
"""
document = cloudant.design_document.DesignDocument(self.dbase,args['id'])
document.fetch()

View File

@ -23,7 +23,7 @@ class Mongo :
else:
self.client = MongoClient()
self.uid = args['uid'] #-- document identifier
self.uid = args['doc'] #-- document identifier
self.dbname = args['dbname']
self.db = self.client[self.dbname]

View File

@ -10,12 +10,12 @@ class MessageQueue:
"""
This class hierarchy is designed to handle interactions with a queue server using pika framework (our tests are based on rabbitmq)
:host
:uid identifier of the exchange
:xid identifier of the exchange
:qid identifier of the queue
"""
def __init__(self,**params):
self.host= params['host']
self.uid = params['uid']
self.uid = params['xid']
self.qid = params['qid']
def isready(self):