convert json file to csv using python

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Python downloads the Tushare data and then calls the C + + DLL calculation WMA into the local CSV file

(int i = 0; i i) {fwma","","","Endl; } cout"Finish Writing ..."Endl; Fwma.close (); return1; }} wma.py ImportTushare fromcTYPESImport*#Data preprocessingDataFrame = Tushare.get_hist_data ('SH') Open= dataframe['Open'].valuesopenlen=Len (Open)#python's list format to C's array formatArray = (c_double * openlen) (*Open) Arraylen=Openlen#calling the DLL function WMA calculates the WMA value into the filehDLL = Cdll ('c:\\users\\perelman\\. Clion2016.1\\system\\cmake\\generated\\wma-4d5bf

Python read/write CSV file

1. Write and generate a CSV fileCode: # coding: utf-8 import csv csvfile = file(‘csv_test.csv‘, ‘wb‘) writer = csv.writer(csvfile) writer.writerow([‘姓名‘, ‘年龄‘, ‘电话‘]) data = [ (‘小河‘, ‘25‘, ‘1234567‘), (‘小芳‘, ‘18‘, ‘789456‘) ] writer.writerows(data) csvfile.close() W in WB indicates write mode, B

Reading a CSV file using LUA

New projects ready to use LUA development, static data is generally stored in the CSV, so the reference online a lot of information to write a CSV file to read the small code, because just touch lua, so just realize the function, and then optimize. Reference xv_ly15 and the function of the stupid wood to configure their own project requirements implementation fu

Java export CSV file using Excel to open garbled problem

Write a CSV file, found that using notpad++ Open is no problem, but the use of Excel opened after the display garbledThe first code is this:Bytearrayoutputstream OS = new Bytearrayoutputstream ();PrintWriter printwriter = new PrintWriter (OS);Printwriter.write ("\" brand quotient \ ", \" Division account balance (unit) \ ", \" business unit \ "\ n");After discove

Import a CSV file using Sqlloader

Step: 1.cmd into the Oracle installation Bin directory, you can use Oracle multiple self-brought programs, such as SQLLDR.2. Write the CTL command control file as follows:Load'E:\test1.csv'intotable by 'by' "' ( Zonelevel, Zonecode, ZONENAME, zoneshort)Enter CMD to execute as follows:D:\Oracle\product\10.2. 0\db_1\bin>sqlldr wjw/zkr_123#embed@192. 168.200. Wuyi / Qyrk Control = Log = E:\test. log rows=50000 Skip=1 where skip=1 represents ignori

Go language read YAML configuration file, convert to struct structure, output in JSON form

1, example 11.1, Yaml file contents are as follows:host: localhost:3306user: rootpwd: 123456dbname: test 1.2, the code is as follows: //Convert the Yaml file to an object and convert it to JSON format to output the package Mainimport ("Encoding/

Import a CSV file into the Postgres database using the Copy command

', ' csv quote as ' ";SQL Status: 22007What's the situation?You can see from the 7th step that the first line of records is "date", "Mobile number", "channel", but the date type of my created table backlist20141231_er1 is dated, which cannot be implicitly converted. Let's get the first line out of the CSV and try again.Set Client_encoding=unicode;SELECT * from Backlist20141231_er1Limit 10;10. We still take

Python multi-level sorting (multi-attribute sorting) csv file

Python multi-level sorting (multi-attribute sorting) csv file Multi-level or multi-attribute sorting is often used when processing csv files. You can use the following method to easily perform multi-level sorting. Python 2.x uses the following code: first sort by column x [

Python reads CSV files to generate the system account doscommand BAT file

No technical content, just Archive #! /Usr/bin/ENV Python #-*-coding: UTF-8-*-# @ author jinqinghua@gmail.com # @ version 2012-08-24import csvpassword = "XXXXX" group = "R D users" file_csv = "user.csv" # company address book file transferred over, the main fields include email address, password, name, department, and title if _ name _ = '_ main _': reader = CSV

How Python saves a CSV file that cancels empty lines

In Python, when an SCV file is saved in the usual way (which can be read by Excel), when opened with Excel, it is inevitable that there is a blank line on every other line, and manual removal is cumbersome.However, if you add a parameter when you store the file, you can cancel the empty line:Example:def save_csvfile (CSVData, Filename):With open (Filename, "w", n

Convert between objects and JSON strings using Google's Gson

Convert between objects and JSON strings using Google's GsonNeed Gson.jar1.jsonutil.javaJava code Package Com.snail.json; Import Java.lang.reflect.Type; Import Com.google.gson.Gson; /** * Java object and JSON string Mutual conversion tool class * @author Penghuaiyi * @date 2013-08-10 */ Public Fi

Using Python for XML to CSV

#!/usr/bin/python#XMLtoCSV. py#encoding: Utf-8Import CSV, OSFrom Xml.dom.minidom Import Parsedef createcsvfile (Fileprefix):CSVFile = open (fileprefix+ '. csv ', ' WB ') #注意是二进制写入, otherwise there will be extra spacesCsvwriter = Csv.writer (csvfile)Bwritehead = Falsexmlfile = open (fileprefix+ '. xml ')Domtree = Parse (xmlfile)#print Domtreeroot = Domtree.documen

How to convert and parse JSON using JavaScript

JSON strings are parsed into JSON data formats in JavaScript. JSON strings are parsed into JSON data formats in JavaScript. There are two methods: One is to use the eval () function. Use the Function object for return parsing. Use the eval function to parse and use jquery's each method to traverse The

Using ANGULARJS to make a page summary of knowledge Points: String type and JSON convert each other

The recent week to do a page, the process of production encountered a variety of problems, from which I can see the JS Foundation is not solid enough, ANGULARJS is just the level of entry, now will be the production process encountered in a summary, convenient for later review.One, string type and JSON convert each other1, use NG to convertAngularjs with Fromjson and Tojson two methods for working with conv

How to convert a class object to a json/dictionary in python

This article mainly introduces how to convert a class object into a json dictionary using python, and analyzes the related skills of Python type conversion using examples, for more information about how to

[Python Study Notes]pd.read_csv () function reads a CSV file drawing

"" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "", "" "". "" "" "" "" "" "" "" "," "" "" "," "" "" "," "" "," "" ">> Pandas read csv file .py>> Author: Liu Yang>> blog: liuyang1.club>> Email: [emailprotected]>> Blog: Www.cnblogs.com/liu66blog "" "" "" "" "" "" "" "" "" "" "" "" "" "." "" "" "" "" "" "" "" "" "" "" "" "" "". " "" "" "" "#!/usr/bin/env python#-*-c

Azure PowerShell (7) Batch setup of virtual machine Endpoint using CSV file

file template, which can be downloaded here :   , the Servicename,vmname,protocol,localport equivalents are defined.We save the CSV file in the local computer's D-Packing directory.(3) Run Azure PowerShell as an administratorFirst select the current subscription name, the command is:Select-azuresubscription-subscriptionname Perform:  (4) Implementing PowerShell

Read and write Python CSV file

1.CSV fileImportCsvwith Open (R"E:\code\0_DataSet\tianchi_2015_mobile_recommand\fresh_comp_offline\tianchi_fresh_comp_train_user.csv","r+") as Rdfile, open ("Data.csv","w+", newline="") as Wrfile:#WriteFile must open with newline+= "" or blank line would appear #1 Create reader writerCsvreader =Csv.reader (rdfile) Csvwriter=Csv.writer (wrfile)#2 Get the Headmost 10000 line and write to Wrfile forLine,iinchZip (Csvreader,range (10001):

Python notes 5-python2 writing CSV file Chinese garbled problem

the Chinese string in Python into Utf-8, then encode to GBK code Data.decode (' Utf-8 '). Encode (' GBK ') 3. If you are reading a CSV file, in turn: Data.decode (' GBK '). Encode (' Utf-8 ') Solution Solutions1. Scenario One: Encoding the string conversion (this is too cumbersome, not recommended) # coding:utf-8import CSVF = open (

Python processing xls to CSV file

CSV files are widely used in data analysis, but sometimes we get an XLS or xlsx file, and we need to deal with it.See the following procedure:importas pddef xlsx_to_csv_pd(): = pd.read_excel(‘stephen_curry_datas_of_playoffs.xlsx‘, index_col=0) data_xls.to_csv(‘stephen_curry_playoffs.csv‘, encoding=‘utf-8‘)if__name__==‘__main__‘: xlsx_to_csv_pd()data_curry=pd.read_csv(‘stephen_curry_playoffs.csv‘)da

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