VS Code from start - Printable Version +- Python Forum (https://python-forum.io) +-- Forum: General (https://python-forum.io/forum-1.html) +--- Forum: Tutorials (https://python-forum.io/forum-4.html) +--- Thread: VS Code from start (/thread-12237.html) |
VS Code from start - snippsat - Aug-16-2018 This will be about VS Code. Will take if start,so get Python up running with some advice that make it easy to run code. I has quick review before to look at here. That also show some basic stuff about the editor. Quote:Visual Studio Code is a lightweight but powerful source code editor which runs on your desktop and is available for Windows, macOS and LinuxThey have but a lot of resources to make Python work well in there editor. Like hire @don Jayamanne the maker of Python Extension for VS Code. VS Code is a multi-language editor that is same league as Atom and Sublime Text. Start Should make sure that python and pip work from command line,before install.This will make setup in editor and stuff like virtual environment easier. Python 3.6/3.7 and pip installation under Windows C:\code λ python -V Python 3.7.0 C:\code λ pip -V pip 18.0 from c:\python37\lib\site-packages\pip (python 3.7)Linux if python3 point to Python 3 use that in setup later.Install Install choose user installer. After install the first ting to do is install needed Extension. Here list of needed and some useful Extension. Can also use Marketplace to find and install extensions.
Setup Now gone do some setup to Code runner and install some stuff so PEP-8 format of code and linter work.Search in setting code-runner.executorMap Click on the pen so on right side(user setting) so this is the result. "php": "php", "python": "$pythonPath $fullFileName", "perl": "perl",This make Code runner button always use Python interpreter down in left corner(see image). Can click on to change to other python interpreter installed like eg Anaconda. Search setting code-runner.runInTerminal and set it to True,make stuff like input() work in Code runner.Install of modules command line for format code and linter. pip install autopep8 yapf black pip install pylintSearch setting python.formatting.provider to choose formater.Command platte search pylint to turn on/off,it can be annoying to have on alle time.Run Code Start VS Code from any folder,eg for a virtual environment With code . from command line in any folder will open files in that folder in VS Code.Example with virtual environment that build into Python venv # Make E:\div_code λ python -m venv my_env # cd in E:\div_code λ cd my_env # Activate E:\div_code\my_env λ E:\div_code\my_env\Scripts\Activate # Test pip (my_env) E:\div_code\my_env λ pip -V pip 10.0.1 from e:\div_code\my_env\lib\site-packages\pip (python 3.7 # Install required package (my_env) E:\div_code\my_env λ pip install requests Collecting requests # Start VS Code (my_env) E:\div_code\my_env λ code .See now that it automatically find Python interpreter in virtual environment. So push run button it will use Python version in virtual environment. This was basic setup will post more stuff later. RE: VS Code from start - snippsat - Aug-18-2018 Look at some useful features. Format code Before i did mention to install: pip install autopep8 yapf blackTake a look at format code with the new star Black. So right click and Format Document ,after have choose "python.formatting.provider": "black" Here a image on how it work have a long line with dict,list and tuple,right side after format. Mess up some code before and after format. Messed up: import random import time class Coin: def __init__(self ): self.sideup="Heads" def toss(self): if random.randrange( 2)== 0: self.sideup = "Heads" else: self.sideup= "Tails" def toss_result( ): my_coin=Coin( ) print(f"This side is up: {my_coin.sideup}") print("I am tossing the coin...") time.sleep(4) my_coin.toss() print(f"This side is up: {my_coin.sideup}") if __name__ == "__main__" : toss_result( )After format: import random import time class Coin: def __init__(self): self.sideup = "Heads" def toss(self): if random.randrange(2) == 0: self.sideup = "Heads" else: self.sideup = "Tails" def toss_result(): my_coin = Coin() print(f"This side is up: {my_coin.sideup}") print("I am tossing the coin...") time.sleep(4) my_coin.toss() print(f"This side is up: {my_coin.sideup}") if __name__ == "__main__": toss_result() IntelliSense One of the strong feature with editor is IntelliSense It goes beyond auto completion. You can view available methods, parameter hints, short documentation, source code(where is function/method source code) etc... If take mouse over get() method:Need to scroll method doc or that it stay open ctrl+space .Now can also look at source code for this get() function alt+f12 (peek).F12 goes to source code where get() is defined.Linter You annoying friend pylint pip install pylint flake8So i turn it of in normal use,then just turn it on if want a check of code. Command Palette ctrl+shift+p search Pylint then get an option on/off .So how dos it work: What it finds is down in left corner errors and Warnings . Click on it and it show up in windows under. So the fix is pretty obvious missing { .print(f"This side is up: {my_coin.sideup}")Save and this error/advise goes away. RE: VS Code from start - snippsat - Aug-24-2018 Gone look at VS Code in Linux,using Linux Mint 19 “Tara” Cinnamon . As this is from start gone look a little of setup for Python 3. Install just gone use sudo on all for now,gone look setup pyenv in a later post. sudo apt install python3-pip sudo apt-get install python3-setuptools sudo pip3 install autopep8 yapf black sudo pip3 install pylintA fix to get pip 18.0 to work,after pip3 install --upgrade pip .sudo nano /usr/bin/pip3 # Then change to this from pip._internal import mainSee that 2.7.15 and 3.6.5 are default versions for Mint 19. tom@tom-VirtualBox:~$ python -V Python 2.7.15rc1 tom@tom-VirtualBox:~$ python3 -V Python 3.6.5 tom@tom-VirtualBox:~$ pip3 -V pip 18.0 from /home/tom/.local/lib/python3.6/site-packages/pip (python 3.6) tom@tom-VirtualBox:~$ Install VS Code Open deb in package installer(default option). Or download and from command line: sudo dpkg -i code_version.debSetting up VS Code is the same as in first post. Remeber this in setting,so code runner always follows python version down in left corner "python": "$pythonPath $fullFileName",A image of edtior running,it will start with version 2.7.15 in left corner just click and change to 3.6.5. |