Introduction to Python development using Pycharm

Introduction to Python development using Pycharm

This is a very common problem, I want to learn python, with what editor?

Eclipse+pydev?

IDLE?

Vim?

Everyone has their own habits, may be self-pondering, may also be the guidance of predecessors, here only to share their own ignorant pondering.

Simple small script, direct vim or idle on it.

Then how to debug a little bit more complicated? Or with the IDE, I didn't choose eclipse here because I hated it, personal emotional problems.

Well, actually I was attracted by the Pycharm, with the community version.

Reference: http://www.jetbrains.com/pycharm/

Portal: Http://download.jetbrains.com/python/pycharm-professional-4.5.2.exe

We don't take the time to compare which IDE is good, the habit is the best way.

1. Because I am accustomed to using Python3, the default is the Utf-8 format, so I made the adjustment:

File->settings->file Encodings

Set up Project Encoding:utf-8

2. Try to use it to debug a small C/s script

c.py

#!/usr/local/bin/python3# from multiprocessing.connection import clientif __name__  ==  "__main__":    s_ip =  ' 127.0.0.1 '     s_port  = 15000    conn = client ((s_ip, s_port),  authkey=b ' 123456 ')     print (' Connect to: \n {0}:{1} '. Format (s_ip, s_port))      while True:        try:             X = CONN.RECV ()              print ("get: {0}". Format (x))          Except eoferror:            print (' Why  Did you do an eof on me? ')         except keyboardinterrUpt:            print (' You cancelled the  operation. ')         except WindowsError:             print (' Remote host forced the shutdown of an existing connection. ')             break         except Exception as err:             print ("[Error] {0}". Format (Err))     conn.close ()

s.py

#!/usr/local/bin/python3# from multiprocessing.connection import listenerimport times _ip =  ' 0.0.0.0 ' S_port = 15000srv = listener (s_ip, s_port),  authkey=b ' 123456 ') print (' Listen on: \n {0}:{1} '. Format (s_ip, s_port)) def notify (x=10000, y =10000):     time.sleep (2)     for i in range (1,x):         for j in range  (1,y):             try:                 x =  ' Send: i={0},j={1} '. Format (i,j)                  print (x)                  conn.send (x)              except eoferror:                 print (' [Error] eoferror ')                  breakif __name__ ==  "__main__":     while true:        conn = srv.accept ( )         try:             notify ()         except OSError:             print ("[Error] ip or Port is already occupied? ")     conn.close ()

The next breakpoint in s.py first:

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6F/3A/wKiom1WU8zuTHibVAADrva2LYnI437.jpg "style=" float: none; "title=" 1.png "alt=" Wkiom1wu8zuthibvaadrva2lyni437.jpg "/>

Select Debug on the right-click menu:

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6F/37/wKioL1WU9QLzKVpiAAJ-7N60rUw850.jpg "style=" float: none; "title=" 2.png "alt=" Wkiol1wu9qlzkvpiaaj-7n60ruw850.jpg "/>

This is the debugger and console window in the lower left corner after startup, note that a gray tools box in the lower left corner can be turned on/off

3:find 4:run 5:debug 6:todo This type of window.

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6F/3A/wKiom1WU9GLRA1quAAGDZCb6qGI282.jpg "title=" 3.png " Style= "Float:none;" alt= "wkiom1wu9glra1quaagdzcb6qgi282.jpg"/>

OK, now start the s.py in debug mode, and then we start the c.py directly, the same menu with the right mouse button:

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6F/37/wKioL1WU9inzwFeQAAHUQIZmt0g226.jpg "style=" float: none; "title=" 4.png "alt=" Wkiol1wu9inzwfeqaahuqizmt0g226.jpg "/>

The script runs and beeps ... + + ... Stop at the breakpoint and look at the picture and say it clearly:

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6F/37/wKioL1WU9irhhHuYAAPgQwhFEnQ496.jpg "style=" float: none; "title=" 6.png "alt=" Wkiol1wu9irhhhuyaapgqwhfenq496.jpg "/>

My hands are tired, press for a while F8, we look at what became like:

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6F/37/wKioL1WU94SQU4D8AALAm6p3TRU134.jpg "style=" float: none; "title=" 7.png "alt=" Wkiol1wu94squ4d8aalam6p3tru134.jpg "/>

Laughed at, there are all the usual ones.

Step Over (F8)

Step into (F7)

Step into My Code (ALT+SHIFT+F7)

Step Out (SHIFT+F8)

Run to Cursor (ALT+F9)

By the c.py, what about the output? Well, let's cut to the "4:run" window to see:

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6F/3A/wKiom1WU9b7wnUKKAAFzoY6169c990.jpg "style=" float: none; "title=" 8.png "alt=" Wkiom1wu9b7wnukkaafzoy6169c990.jpg "/>

Introduction to this end, I hope that as a beginner you, more and more good.

Introduction to Python development using Pycharm