From brett at python.org  Tue Nov 14 15:14:43 2017
From: brett at python.org (Brett Cannon)
Date: Tue, 14 Nov 2017 20:14:43 +0000
Subject: [Python-porting] Ask a question about Python accessing mongodb.
 Thanks.
In-Reply-To: <e223084a-76ff-4f24-9332-289360208c3f.zhongxiaobin76@aliyun.com>
References: <e223084a-76ff-4f24-9332-289360208c3f.zhongxiaobin76@aliyun.com>
Message-ID: <CAP1=2W6VDmTFiEe_8uoUOoNqXVFA=sBSuW6Wc--cn8fh6q0Fvg@mail.gmail.com>

This list is about porting Python 2 code to Python 3, not general Python
support. You can try asking on IRC or whomever is providing your Mongo
library for help.

On Sat, 11 Nov 2017 at 12:38 zhongxiaobin76 via Python-porting <
python-porting at python.org> wrote:

> When I found problems in the process of accessing mongodb with Python,
> Who can I ask for help?
>
>
> I want to create an object with Python to receive a document in mongodb, and the document format is like this:
>
> { "_id" : ObjectId("59f2d36fb934f31fdc002485"), "Name" : "???1711", "Date" : "20
>
> 14/12/12", "data" : [ { "time" : "0901", "Open" : "13280.00", "Max" : "13280.00"
>
> , "Min" : "13280.00", "Close" : "13280.00", "Volume" : "0", "Amount" : "580", "S
>
> ettlement" : "0.00", "EXPMA1" : "13304.91", "EXPMA2" : "13301.51" }, { "time" :
>
> "0902", "Open" : "13280.00", "Max" : "13280.00", "Min" : "13280.00", "Close" : "
>
> 13280.00", "Volume" : "0", "Amount" : "580", "Settlement" : "0.00", "EXPMA1" : "
> 13301.08", "EXPMA2" : "13300.66" }]}
> There are about 300 records in the data.
>
>
> How do I write an object that encapsulates the Mongo document like the object VtBarData in the code below?
>
> def loadBar(self, dbName, collectionName, days):
>     print "zxb ctaEngine CtaEngine loadBar days = ", days
>     startDate = self.today - timedelta(days)
>
>     d = {'datetime':{'$gte':startDate}}
>     barData = self.mainEngine.dbQuery(dbName, collectionName, d, 'datetime')
>
>     l = []
>     for d in barData:
>         print "zxb ctaEngine CtaEngine loadBar d = ", d
>         bar = VtBarData()
>         bar.__dict__ = d
>         l.append(bar)
>     return l
>
>
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