python convert string to date format

Background:I have a lot of log data, every log has a date string, and I need to convert it to a DateTime format.The problem is that there are a variety of string formats in these logs, with 2017-05-25t05:27:30.313292255z, 2016-07-01t00:00:00 and other formats I haven't seen yet.At first I wrote a long list of if else t

= list (m. groups ())Flags = list (map (lambda x: True if x! = None else False, matches ))Results = list (map (lambda x: int (x) if x! = None else 1, matches ))# Results = list (map (lambda x: 1 if x = None else x, results ))If results [0] If results [0]> 9:Results [0] + = 1900Else:Results [0] + = 2000Return (datetime. date (results [0], results [1], results [2]), flags)Else:Return NoneDef convert (self, s

= Self.pattern.match (strdate) Flags = [False, False, false] If M: matches = List (m.groups ()) Flags = List (map (lambda x:true if x!=none else False, matches)) Results = List (map (lambda x:int (x) if x!=none else 1, matches)) # results = List (map (lambda x:1 if x==none else x, results)) If results[0]If results[0]>9: Results[0] + + 1900 Else Results[0] + + 2000 Return (Datetime.date (Results[0], results[1], results[2), flags) Else Return None def

%h 24-Hour Hour%iThe 12-hour hour%j decimal indicates the number of minutes of the day of the year%m decimal representation of the month%m the minute of the%n New line character%p local AM or PM equivalent display%r 12 hour time%r display hours and minutes: hh:mm%s decimal seconds%t Horizontal tab%t Display time/minute: hh:mm:ss%u the day of the week, Monday for the first days (values from 1 to 7, Monday for 1)%u the week of the year, the Sunday as the first day (value from 0 to%V) the week of t

Python date, character interchange Date Spin string 1. Read data from Excel, in Excel date this column data format type is "Short Date" Test = Pd.read_excel (' f:/test.xlsx ') Test.he

June 28, 2017 to 2017-06-28October 27, 2017 to 2017-10-27December 1, 2017 to 2017-12-01July 1, 2017 to 2017-07-01#Coding=utf-8deffunc (String): Year= String.find (U'years') Month= String.find (U'Month') Day= String.find (U'Day') ifmonth-year==2: String= String.Replace (U"years", u"Year 0") ifday-month==2: String= String.Replace (U"Month", u"Month 0") ret

Python format symbols in time Date: %y Two-digit year representation (00-99) %Y Four-digit year representation (000-9999) %m Month (01-12) One day in%d months (0-31) %H 24-hour hours (0-23) %I 12-hour hours (01-12) %M minutes (00=59) %s seconds (00-59) %a Local Simplified Week name %A Local Full week name %b a locally simplifie

In Python you want to output a sentence, as follows1A='Hello World'2 Printa3//The print out is Hello world4 5 Print 'hello \ n World'6//print out is the7//Hello8// World9 Print " "HelloTen World One Good A Bye" " -//print out is the -//Hello the// World -//Good -ByeIf you want to output a newline string, you can add the escape character ' \ n ' to the string, or

Python uses str repr to convert the string, pythonstr It may be better to record low: Use of str and repr Str is a type (int, long is similar). It can also be used as a string for a factory Method Instance. Repr is a built-in function of python that retains the real st

This article describes how to use Python to easily convert IP addresses between integers and strings, this article also shares with you how to use regular expressions in Python to verify whether a string is an IP address. For more information, see the following. This article describes how to use

The example in this article summarizes the methods for formatting the date and time in Python. Share to everyone for your reference. The specific analysis is as follows: The Python format date time function is Datetime.datetime.strftime (), and the function converted from a

Python Data Format: % s string, % d integer, % f floating point, python % f Formatting character %% Percent mark # Is to output a %% C and its ASCII code% S string% D signed integer (decimal)% U unsigned integer (decimal)% O unsigned integer (octal)% X unsigned integer (hexa

Today, I'm looking at a Chinese date on the Internet. Try it yourself.#-*-coding:gb2312-*-import datetime, Time#now = Time.strftime ('%y year%m month%d day%h%m minute%s seconds ', Time.localtime ()). Decode (' Utf-8 ') now = Time.strftime ('%y year%m month%d day%h%m minute%s seconds ', Time.localtime ()) Print Nownow = Time.strptime (now, '%y year%m month%d day%h%m minute%s seconds ') Print Nowprint time.strftime ('%y-%m-%d%h:%m:%s ', now)The results

This article describes how to convert string and dictionary types in Python, for more information about how to convert string and dictionary types in Python, see the following example. The specific method is as follows: 1.

Script content:#!/usr/bin/python#coding =utf-8#根据给定的年月日以数字形式打印出日期Months =["January","February","March","April","May","June","July","August","September","October","November","December"]#以1-31 Number as the end of the listEnding =["st", "nd", ' rd ']+17 * [' th '] \+["St", "nd", "rd"]+7 * [' th '] \+[' St 'Year =raw_input ("Year:")Month =raw_input (' Month (1-12): ')Day =raw_input (' Day (1-31): ')Month_number =int (month)Day_number =int (Day)#记得要将月份和天数

#-*-coding:utf-8-*-#1, DictionariesDict = {' name ': ' Zara ', ' age ': 7, ' class ': ' First '}#字典转为字符串, return: Print type (str (dict)), str (DICT)#字典可以转为元组, return: (' age ', ' name ', ' class ')Print tuple (dict)#字典可以转为元组, return: (7, ' Zara ', ' first ')Print tuple (dict.values ())#字典转为列表, return: [' age ', ' name ', ' class ']Print List (dict)#字典转为列表Print Dict.values#2, tuplestup= (1, 2, 3, 4, 5)#元组转为字符串, return: (1, 2, 3, 4, 5)Print tup.__str__ ()#元组转为列表, return: [1, 2, 3, 4, 5]Print List

Answer: (http://stackoverflow.com/) PS: This website solves my many questions ah, everybody more on>>>s= ' \u9648\u4f1f\u9706\u5176\u5b9e\u662f\u4e2a ' >>>print s.decode (' Unicode-escape ') >> > This is actually a　　First you have a string similar to this:\u9648\u4f1f\u9706\u5176\u5b9e\u662f\u4e2aSo you try to print directly, hoping to become Chinese>>>s = ' \u9648\u4f1f\u9706\u5176\u5b9e\u662f\u4e2a ' >>>print s>>>\u9648\u4f1f\u9706\ U5176\u5b9e\u662

There is an interface that returns a string similar to the python list [a, B, c, d]. Is there any elegant way to convert it to a php array? There is an interface that returns a string similar to the python list [a, B, c, d]. Is there any elegant way to

This article describes how to convert a python string to a Moles code. it involves Python string and encoding operations and is very simple and practical, for more information about how to convert a

given a string:It is a sequence of several values separated by commas:' 192.168.1.1,192.168.1.2,192.168.1.3 'How do I convert a string to a list?MSTR = ['192.168.1.1'192.168.1.2 ' 192.168.1.3']Use the Str.split method:' 192.168.1.1,192.168.1.2,192.168.1.3 '>>> mstr.split (",") ['192.168.1.1' '192.168.1.2'192.168.1.3']to turn a string into a tuple:>>> mlist = Mst