python gps module

(datetime.datetime.now())In [156]: 2018-02-12 12:39:43.309016 Time arithmeticIn [174]: datetime.datetime.now() + datetime.timedelta(1)Out[174]: datetime.datetime(2018, 2, 13, 12, 43, 12, 301435)In [175]: datetime.datetime.now() - datetime.timedelta(1)Out[175]: datetime.datetime(2018, 2, 11, 12, 43, 28, 154795)In [181]: datetime.datetime.now() + datetime.timedelta(hours=1)Out[181]: datetime.datetime(2018, 2, 12, 13, 44, 54, 816476)In [182]: datetime.datetime.now() + datetime.timedelta

By default we will use the random module, and the Secrets module is used to generate a cryptographically high number, such as account authenticationStringstring. ascii_letters + string"" for in range)Print (Secure_password)Using the Secrets module to generate tokens>>>secrets.token_bytes () ..... >>>secrets.token_bytes (8) .... >>>secrets.token_hex ....secrets

The Getpass module provides portable password input, including the following two functions:1. Getpass.getpass ()2. Getpass.getuser ()　　Getpass.getpass ([prompt[, Stream]])Prompts the user to enter a password, the parameter prompt prompts the user to start the input, defaults to ' Password: '. On Unix, the prompt is written to the class file object stream. The parameter stream defaults to the control terminal (/dev/tty) or to Sys.stderr when it is not

prices:prices = Tree.xpath ('//span[@class = "Item-price"]/text () ')Let's see what we Got:Print 'Buyers:', BuyersPrint 'Prices:', pricesbuyers: ['Carson Busses','Earl E. Byrd.','Patty Cakes','Derri Anne Connecticut','Moe Dess','Leda Doggslife','Dan Druff','Al Fresco','Ido Hoe','Howie Kisses','Len Lease','Phil Meup','Ira Pent','Ben D. Rules','Ave sectomy','Gary Shattire','Bobbi soks','Sheila Takya','Rose Tattoo','Moe Tell'] Prices: ['$29.95','$8.37','$15.26','$19.25','$19.25','$13.99','$31.57',

PiL profile what is PILPIL: is the abbreviation of the Python Image Library, the module of the graphics processing. The main classes include Image,imagefont,imagedraw,imagefilterImport of PiLFirst you need to install the pillow packagePip Install PillowThen we can call the class in PiL.From PIL import imagefrom PIL import imagefontfrom PIL import imagedrawfrom PIL import ImageFilterPiL Common methodsOpen ()

Configparser module:is the module used by the Python standard library to parse the configuration file.Format:Section: Using [] to mark section names: or =: using: or = Assignment[Websv]ip: ' 192.168.1.10 ' port:443name = ' root ' pw = ' root1990 ' definition: WEBSV called sectionThe same item can have multiple values:IP: ' 192.168.1.11 ', ' 192.168.1.12 ', ' 192.168.1.13 ' #待测试When the read configuration fi

Shelve module is also used to serialize, can persist any pickle can support the Python data format, better than Pickle, but also python-specific, can dump multiple data, can also directly modify the dataSerialization of#-*-Coding:utf-8-*-__author__ = "MuT6 sch01ar" Import shelvef = Shelve.open (' shelve_test ') names = ["John", "Jack", "Jane "]info = {' name ': '

OS ModuleA module that the Python interpreter interacts with the operating system. Used to manipulate directories and files.# get current working directory Print (OS.GETCWD ())# Change Directory os.chdir ('C:')print(OS.GETCWD ()) # C +Os.chdir (Os.curdir) # ' . ' Go to the current directory Os.chdir (os.pardir) # ': ' Go to the parent directory os.makedirs ( " a/b/c " ) # Create multilevel directory

1. XML modulesReference reference Source Link: https://www.cnblogs.com/python-gm/p/8032465.html Thank youXML is a protocol that implements data exchange between different languages or programs, similar to JSON, but JSON is simpler to use, but, in ancient times,In the Dark Age when JSON is not yet born, you can only choose to use XML, so far many traditional companies such as the financial industry of many systems interface is also mainly XML.The forma

Detailed explanation of the OS module in python and the pythonos Module The OS module allows you to create, delete, and view file attributes for directories or files, as well as perform path operations on files and directories. For example: absolute path, parent directory ...... os.sepIt can replace the path separator

Configparser module:is the module used by the Python standard library to parse the configuration file.Format:Section: Using [] to mark section names: or =: using: or = Assignment[Websv]ip: ' 192.168.1.10 ' port:443name = ' root ' pw = ' root1990 ' definition: WEBSV called sectionThe same item can have multiple values:IP: ' 192.168.1.11 ', ' 192.168.1.12 ', ' 192.168.1.13 ' #待测试When the read configuration fi

PiL profile what is PILPIL: is the abbreviation of the Python Image Library, the module of the graphics processing. The main classes include Image,imagefont,imagedraw,imagefilterImport of PiLFirst you need to install the pillow packagePip Install PillowThen we can call the class in PiL.From PIL import imagefrom PIL import imagefontfrom PIL import imagedrawfrom PIL import ImageFilterPiL Common methodsOpen ()

PiL profile what is PILPIL: is the abbreviation of the Python Image Library, the module of the graphics processing. The main classes include Image,imagefont,imagedraw,imagefilterImport of PiLFirst you need to install the pillow packagePip Install PillowThen we can call the class in PiL.From PIL import imagefrom PIL import imagefontfrom PIL import imagedrawfrom PIL import ImageFilterPiL Common methodsOpen ()

In writing the script, found to import some modules, often error prompts to import the module failed, here to bad to fill the Python import module knowledge points.1. File lookup order at module importIn the script, the steps to import the XXX module are as follows:(1) Creat

HTML Download ModuleThe module is mainly based on the URL provided to download the corresponding URL of the Web page content. Use the module requets-html, add retry logic and set maximum retry times, while limiting access time to prevent long-time non-response resulting in program animation.According to the status code returned to determine if the access is successful return to the source code, or start ret

http://blog.csdn.net/pipisorry/article/details/46619179Re module matching rules see: http://blog.csdn.net/pipisorry/article/details/25909899examples of Python regular expressionsWhen log parsing, assume the given string:Char str = "10.10.1.1 [2015/04/22 +0800]/ab/cd/? test0=123test2=234 xxxx "; To get 2015/04/22,/ab/cd/, and 234 equivalents from. str = "10.10.1.1 [2015/04/22 +0800]/ab/cd/?" test0=1

The following small series for you to bring a Python module of the time module (example explained). Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. Time Three forms of time representation Timestamp (timestamp): Typically, a timestamp represents an offset that is calculated

(1256,15) #杀死进程Os.pardir #返回当前目录的你目录, equivalent to (..), there are many options below the commandOs.curdir #返回当前目录, equivalent to (.), there are many options below the commandOs.environ #输出系统环境变量Os.tmpfile ("/tmp/tong/tong1.txt") #判断文件是否是临时文件Os.path.split ("/tmp/tong/tong1.txt") #返回目录和文件名Os.path.isabs ("/tmp/tong/tong1.txt") #判断路径是否是绝对路径Os.path.isdir ("/tmp/tong/tong1.txt") #判断路径是否是目录Os.path.isfile ("/tmp/tong/tong1.txt") #判断路径是否是文件Os.path.islink ("/tmp/tong/tong1.txt") #判断路径是否是链接文件Os.path.ism

#!/usr/bin/env python#-*-coding:utf-8-*-__author__="Loki"#Usage:make a Diy Calculator#Example:#' 1-2 * ((60-30 + ( -40/5) * (9-2*5/3+7/3*99/4*2998+10*568/14))-( -4*3)/(16-3*2)) 'ImportRere_rule='\([^()]+\)'defarithmetical (temp): Result=eval (temp)returnresultdefMain (arithmetic): Step=0 while1: Step+ = 1result=Re.search (Re_rule, arithmetic)ifResult#if exist ' () 'Temp_ =result.group () calc_res=Str (arithmetical (TEMP_)) arithmetic= Re.sub (Re_rule,

This is relatively simple, there is nothing to emphasize, if the JSON is returned directly according to the key value, if the page is to use the HTML lxml module XPath parsing.From lxml import htmlimport jsonclass getnodelist (): def __init__ (self): self.getdivxpath= "//div[@class = ' Demo '] " def use_xpath (self,source): If Len (source): root=html.fromstring (source) #html转换成dom对象 Nodelist=root.xpath (Self.