.py question

[Gene Heskett]

On Tuesday 23 April 2019 09:04:16 Colin Watson wrote:

> On Mon, Apr 22, 2019 at 08:42:15PM -0400, Gene Heskett wrote:
> > I have a test equipment device running xenial, and one of the
> > options needs to run "python3 xxx.py" except I have no clue where to
> > put, in the file system, this xxx.py file so that python can find it
> > and execute it.
> >
> > So where should I install this file and its passel of cousins?
>
> "python3 xxx.py" just reads the named file from the current working
> directory.  Put it in your current directory.  If there are more files
> involved, then you're going to need to explain what you mean by "its
> passel of cousins" in order for anyone to offer effective advice.
>
I think the one we're calling, calls others from it. And the instructions 
say to unpack the zip, but don't say where.  And it gets run from a cli, 
and from an icon in its gui. I have linux/macos versions of this and by 
their mistken link, windows equ's that are are about 10x bigger. 

Brand new device I have close to a thousand dollars in and I have already 
bricked its m-sd card once following the suggested instructions, I think 
because the download link for linux is  broken, giving me the winders 
version of all this. I snooped around and found the linux version of 
this package on the makers website and grabbed that, but no clue where 
to put it when I bring that m-sd card back to this machine to install 
it. I don't claim to be a python guy.  And I've never dealt with a 
ubuntu xenial install before.

I believe the only 2 files I need from this .zip are the vna.py and 
vna.ui, the rest of the zip seems to be parallel copies for MacOS.

This whole maryann is run from a browser, which ATM is an old wheezy 
version of firefox.  Maybe I should snoop around in the www subdir?
 
> Python programs normally import a number of other modules to do
> whatever they need to do.  Such modules may well just be from Python's
> standard library (in which case you don't need to do anything
> special), or they may be from something installed as a package (ditto
> except maybe figure out the right thing to "apt install"), or they may
> be something specialised that you need to install yourself, in which
> case Joel's link might possibly be helpful but I would rather be
> inclined to recommend https://docs.python.org/3/tutorial/venv.html
> instead.
>
> Try just running the program without any of that first, though.  If
> any modules are unavailable then it will tell you.
>
the error when I type in an ssh session:
python3 vna.pyRETURN
"can't find vna.py"
So obviously its not in the python3 version of $PATH, and I'm lost.  
Hence this thread

> --
> Colin Watson                                      
> [cjwatson at ubuntu.com]

Thanks Colin.

Cheers, Gene Heskett
-- 
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