This seems like a basic question, but I can't seem to find a setting/process for it.
In VSCode's Python extension, there is an option to right-click (or keyboard shortcut) in the editor and Run Current File in Python Interactive Window. This works great.
Is there a way to Run Main File in Python Interactive Window so to speak? If you are building a package/module and are making changing in a non-main file, you currently need to switch back to that main file editor tab before running it as described above.
It would be nice to link module/package files to run the main file from anywhere in the package and not have to switch files in the editor. This would make building/debugging a separate module file much faster using the Python Interactive Window. Thanks
Create a launch option that names the main python file instead of the current file and choose it in the debug/run sidebar.
You might need to set the cwd property to the correct value.
Now when you press F5 the main python file is run.
Related
The problem:
I'm currently working on a programming language, which uses a simple python interpreter. The interpreter loops over every line with a bunch of if-statements.
The file extension I'd like to use is .ccp.
So far my progress. I want the computer to recognise .ccp files as a CalcScript file, and open it with the script.
I don't want to have a default filename which I can open using text = open("filename.idk","r").read(), I want to open a file like a 'normal' file. You double-click on the file in explorer, and it opens it in the python script. Regardless of the filename.
What I've tried:
Tinkering with the default applications in settings
Tinkering in regedit
Converting my .py file to .exe
Scouering the internet
My code:
https://github.com/AnonymousPixel/CalcScript
Sorry for bad English if there was any.
Summarizing my comments on the question, you can follow the steps below to achieve what you are asking:
Use sys.argv to access the command line arguments. For example the following script will just print all the arguments given to it:
import sys
print("Given arguments: ", str(sys.argv))
Let's name it myprogram.py.
You can then call it (I think) with: python myprogram.py arg1 arg2 arg3 and it will run and print the command line arguments.
Notice that the first argument (sys.argv[0]) is the script's path. So arg1 would be sys.argv[1], arg2 would be sys.argv[2] and so on.
I am saying to use sys.argv because as far as I remember double clicking a file with an extension which has a default opening program, will open that program with the file path as an argument.
Next step is to package your python script to an executable. This has been already asked and answered for example here (which is a duplicate, where you can follow the question which came before it to see even more examples). I used PyInstaller to test it (and on Windows OS). My command was like:
pyinstaller myprogram.py
... and it generated some folders and files. Specifically the folder dist\myprogram contained the executable along with its dependencies. You can then run your program by double clicking on it in the dist\myprogram folder. It should pop a CLI window, printing the arguments (ie only the program's path, since we called it without any other) and immediately exit. Or you can open a CLI window and run it with a command like:
myprogram argument1 argument2 argumentN
(supposing your current working directory is dist\myprogram) and it will indeed print the arguments.
Finally you have to set it up as the program which by default opens files with .ccp extension. On Windows 10, you can do this via:
Open up File Explorer.
Find a file with .ccp extension (or create one).
Right click on it.
Click on Properties on the dialog that pops up.
Go to General tab (if you are not already there) on the dialog that pops up.
On the Open with: section there is a button which reads Change. Click it.
Select More apps at the bottom of the dialog.
Make sure you have the Always use this app to open .ccp files checkbox selected.
Scroll to the bottom of the dialog and click on the blue text which prompts for manually selecting the default app, which in turn pops up a file chooser. I am not running on English language so it is a bit difficult to translate it exactly (I followed some online pages to actually see the default translation for the previous steps).
Select your executable as the default.
Confirm your choices by selecting Ok, Apply or anything else required.
Then you will also be able I think to change this extention later via:
Settings --> Apps --> Default Apps --> Choose default apps by file type.
Some references:
PyInstaller website and introductory manual.
Official page for step 3.
Unofficial page for step 3, a lot more detailed.
I would like to call visual studio code IDE gui interface opens and launches inside a .bat file and then the vscode ide opens and debug a certain python file automatically after. In addition I would like to have same environment variables that are set from the .bat file , I am wondering if that is doable or not?
Do I need a special vscode plugin for doing that?
As an example in the batch file something tike this.
Call vscode dbg.py --debug
Is there anything similar available.?
I need to automate the act of printing .xlsx file.
I have already seen some answers to this task saying that it is possible by creating a VBA script, as well as some examples. That is not about what my question revolves around.
Thought, I know that it is also possible to right-click on a .xlsx file and click "Print", which does the exact task that I want. It opens Excel, prints the file to the default printer, then closes Excel. (Windows 7, by the way)
So I'm thinking that the work has already been done here.
What process is launched when clicking this "Print" option? Can it be launched via command line, or "clicked" by a python script or something? And if not, why? How can something so easy to click be impossible to automate? I assume a process of some sort must be launched in some way.
Found it!
This task can be easily launched using python.
import os
os.startfile('C:/path/to/the/file.xlsx','print')
This code will launch the same print task. From there, it is pretty trivial for a python developer to automate the task in his scripts.
However, if you do not know much about Python and do not want to learn it now, an easy (or lazy?) way to add it in any automation script would be to save the two lines of code above in a whatever.py file, and launch it via command line (with Python installed, of course).
The context menu print command for Office documents utilizes Dynamic Data Exchange (DDE) and does not directly run a command that can be replicated from the command line.
You can view the content of the commands in the registry. Browse to HKEY_CLASSES_ROOT\.xlsx and look at the (Default) data column. On my machine, "Excel.Sheet.12" is the type of a .xslx file. Then browse to HKEY_CLASSES_ROOT\Excel.Sheet.12\shell\ to see the commands registered for that file type. On my machine, the Print (Default) is "C:\Program Files\Microsoft Office\Office16\EXCEL.EXE" /dde and the "command" is zn=BV5!!!!4!!!!MKKSkEXCELFiles>]-z5hw$l[8QeZZR4_X=$ /dde, none of which is directly useful or accessible for running from a command line.
It will require another program to allow you to access the interface, but there are programs that allow you to make use of DDE from the command line. I recommend Freddy Vulto's Class Exec. More information and a few other similar utilities can be found here.
I just downloaded python on a new pc and now whenever I try to create a script the output viewer just closes down immediately when I launch it as a python file.
My original script was
import secrets
secrets.token_hex(32)
but it just closes down immediately. I thought that it was something with my code so I tried to just make the simple "hello world" script.
(print) "I hope this work"
and I had the same result as the first script, the output window opened up then immediately closed down.
I can get it to work using the python shell but I prefer doing all my coding using notepad++ and it would a real pain in the behind if I can't get that to work.
This is expected behavior if you run your scripts as you described, by opening them in Explorer. Your script completes execution in a terminal window, then closes immediately.
If you absolutely insist on running them on double click and still want to see your console, I suggest you create a .bat file at your python path with contents like this:
python -i %1
and them bind your double-click handler to use that file on .py extension. That way, Python will execute your file and go into CLI mode, preserving your terminal window and allowing you to type further commands.
My other guess would be that you want a console plugin to work right within Notepad++, in that case use nppexec: https://sourceforge.net/projects/npp-plugins/files/NppExec/
How to clear Python shell ?
I am writing a module in python, I want to save it in a file. what is the best way to do it?
File -> New Window. Put your module in this new window, than save it. To run, just press F5.
Python shell does not get cleared or saved. Perhaps you are using IDLE. It's a confusing piece of software. I'd recommend you to get a real IDE, or at least a proper text editor.
Something that I do in IDLE is print "\n"*100
You can also extend Idle and map that to a key. Read Pythoninstall\lib\Idlelib\extend.txt for details
http://bytes.com/topic/python/answers/737111-extension-idle-clear-screen-but-how-write-screen
If you are just in console, you can do ( which won't work in IDLE):
import os
os.system("cls")
Just copy and paste the code into a new file (In file), and save it. To run, you can go to the run section and select "Run Module", or you can simply press F5.