function! My_dir(fname)
python3 << EOF
import vim
blah = vim.eval('a:fname')
if str(blah) == 'None':
cb = vim.current.buffer
cb[0] = ' .vimrc'
cb.append(' .vim/plugins/')
cb.append(' newbie.vim')
EOF
endfunction
Is there a cleaner way to call python code? Any way to stick common imports in a file, vs doing import vim everytime - within the python block?
Create a X.py file and import every thing that you use commonly. For example as I usually need os and sys libraries in my programs, my CommonModules.py is this:
import os
import sys
Then put this file in a directory and create an Environmental Variable and name it PYTHONSTARTUP. and assign the path of that file as its value.
Now every time you open python, the CommonModules.py called automatically.
How to set environment variables :
Windows Vista and Windows 7 users
From the Desktop, right-click the Computer icon and select Properties. ...
Click the Advanced System Settings link in the left column.
In the System Properties window, click on the Advanced tab, then click the Environment Variables
button near the bottom of that tab.
And for linux Users:
https://unix.stackexchange.com/questions/117467/how-to-permanently-set-environmental-variables
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 am new with GUI programming in Python 3.x with Tkinter.
I have prepared a GUI where user needs to select options (using OptionMenu widget) and after selection press button to run the final program.
I have saved the user selected data into variables in that GUI program.
But don't know what should I do next...
What I want:
That GUI should be hidden or End after pressing the button.
Run another python script and use those saved variables from that GUI in my script.
How it can be done in python.
You can save your data in another file in order to use it in other script with pickle module.
To save you can do a list with all the variables you want:
import pickle
with open('doc_name.txt','wb') as a:
pickle.dump(saved_variable_list,a)
And in another python script you can use that list of variables:
import pickle
with open('doc_name.txt','rb') as a:
saved_variable_list = pickle.load(a)
Finally to close your GUI you can use the 'destroy' command:
root.destroy()
I would like to open a file such as an image file using a python script, and by doing so, pass the file name and location into the script when i choose to open the image in my script.
clicks "open image in another program" in windows 10
import tkinter as tk
filename = fileopen.name()
filelocation = fileopen.path()
window = tk.Tk()
imagepic = tk.PhotoImage(file=filelocation)
picture = tk.Label(window, image=imagepic)
window.mainloop()
I'm pretty sure theres a module that allows for this but i just cannot find it.
I'm not entirely sure I understood your question correctly, but for dealing with the operating system you would use the module os:
import os
os.startfile(filelocation) # Open file in win10 default program
What I meant originally was how to go about registering a context menu option in windows explorer allowing the user to right click a file and select "Open with " - passing the file into the script as an argument.
In order to achieve this, you can follow this guide, supplying this command:
python -m <absolute/path/to/yourscript> %1
The %1 will be the file as an argument.
I want to do the following:
Save numeric data in a CSV-like formatting, with a ".foo" extension;
Associate the ".foo" file extension with some python script, which in turns opens the .foo file, reads its content, and plots something with a plotting library (matplotlib most probably).
The use-case would be: double-click the file, and its respective plot pops up right away.
I wonder how I should write a python script in order to do that.
Besides, the windows "open with" dialog only allows me to choose executables (*.exe). If I choose "fooOpener.py", it doesn't work.
This isn't really a programming question, but what you need to do is to figure out how to get the Python executable into the registry key that opens your data file.
For example, I created a little Python script called opener.py that looks like this:
import sys
print(sys.argv)
input()
Then I created a testfile.foo and used the "change" button in that file's property dialog to choose opener.py. (You can do this if you click Browse and change the Open With dialog's file filter to "All Files".)
Of course this didn't work (as you noticed). So I opened regedit and searched for opener.py and found it at the following registry key:
HKEY_CURRENT_USER\Software\Classes\Applications\opener.py\shell\open\command
The default value of this key was "C:\opener.py" %1. I changed it to python "C:\opener.py" %1. It worked!
Long story short, to do this properly you need to custom-edit the registry. Actually setting up the file association is more complex than just editing that one key (you have to also indicate that .foo is associated with opener.py).
An alternative approach would be to turn your Python script into a standalone executable using one of the several tools available for that purpose, or write a small executable in C that launches the script.
press the windows key
type cmd
right click the result and choose "run as administrator"
assoc .foo=foofile
ftype foofile="C:\Users\<user>\AppData\Local\Programs\Python\PYTHON~1\python.exe" "C:\<whatever>\fooOpener.py" "%1" %*
Use pythonw.exe if it's a .pyw file (to prevent a cmd window from spawning).
If you want to use an existing file type, you can find its alias by not assigning anything. For example, assoc .txt returns .txt=txtfile.
instead of editing registry, you can create batch file
opener.cmd
with content
python "C:\<whatever>\fooOpener.py" %1
and associate extension with this file.
It works!
There are some files that open with double click . But not this one . I want to open it with double click . it has the following code written inside it:
from tkinter import*
tk=Tk()
tk.title("App Manager")
tk.resizable(0,0)
tk.wm_attributes("-topmost",1)
canvas=Canvas(tk,width=460,height=500,bg='black',bd=0,highlightthickness=0)
canvas.pack()
tk.update()
def pong():
tk.destroy()
import PONG
def bounce():
tk.destroy()
import BOUNCE
def calculator():
import CALCULATOR
def quit1():
tk.destroy()
b1=Button(tk,text="Play PONG",font= ('Bold',15),bg='brown',fg='gold',command=pong)
b1.pack(side=LEFT)
b2=Button(tk,text="Play BOUNCE",font=('Bold',15),bg='brown',fg='gold',command=bounce)
b2.pack(side=LEFT)
b3=Button(tk,text="CALCULATOR",font=('Bold',15),bg='brown',fg='gold')
b3.pack(side=LEFT)
b4=Button(tk,text="Quit",font=('Bold',15),bg='brown',fg='gold',command=quit1)
b4.pack(side=RIGHT)
Rename the file and give it a .py extension.
You may have to disable "Hide extensions for known file types" under folder properties.
If you want it to run on the double click on any other computer, there is a package called Pyinstaller that will compile a python script with its dependencies so that it can be opened with a double-click and run on any system.
However, it will only run on the same operating system that it was compiled on. So if you want it to run on a windows system it must be compiled on a windows system.
http://www.pyinstaller.org/ check it out.
I found the answer myself. The easiest way to open a file.py extension through double click is to add init() function in a class.
Just create a class with init() function.
That will make every file.py open with double click.