Re: [Tutor] Environment variables and Flask

2019-06-28 Thread Mayo Adams
Many thanks to some very bright and helpful gentlemen. On Fri, Jun 28, 2019 at 9:24 AM Mats Wichmann wrote: > On 6/27/19 11:24 PM, Mayo Adams wrote: > > I have for some time been flummoxed as to the significance of setting > > environment variables, for example in order to run a Flask applicatio

Re: [Tutor] Environment variables and Flask

2019-06-28 Thread Mats Wichmann
On 6/27/19 11:24 PM, Mayo Adams wrote: > I have for some time been flummoxed as to the significance of setting > environment variables, for example in order to run a Flask application. > What are these environment variables, exactly, and why is it necessary to > set them? "Googling" here simply lea

Re: [Tutor] Environment variables and Flask

2019-06-28 Thread Cameron Simpson
On 28Jun2019 09:34, Alan Gauld wrote: Environment variable have fallen out of favour for user settings and config files are now preferred. But some things are a bit easier via en environment variable - especially where you spawn new sub-processes and don't want the sub-process to have to re-read

Re: [Tutor] Environment variables and Flask

2019-06-28 Thread Alan Gauld via Tutor
On 28/06/2019 06:24, Mayo Adams wrote: > What are these environment variables, exactly, and why is it necessary to > set them? When you run a program under an operating system the OS sets up an "environment" (or context) for the program to run in. (This includes the OS shell that the user intera

[Tutor] Environment variables and Flask

2019-06-27 Thread Mayo Adams
I have for some time been flummoxed as to the significance of setting environment variables, for example in order to run a Flask application. What are these environment variables, exactly, and why is it necessary to set them? "Googling" here simply leads me into more arcana, and doesn't really help

Re: [Tutor] environment variables

2006-09-17 Thread Alan Gauld
> since user variables override system variables, why we need do > anything related to python in the system variables? Why not delete > the > value in the system variable and add to it to define the user > variable? System variables apply to all users, so if you want every user of the computer to

[Tutor] environment variables

2006-09-17 Thread linda.s
Hi there, I found the following paragraph in the web: environment variables on Windows come in two flavors: user variables and system variables. In particular, if there is a system variable PYTHONPATH and you are adding this as a user variable, start with the value in the system variable and add to

Re: [Tutor] Environment Variables On Windows

2004-12-27 Thread Alan Gauld
> print "Hi there, ",os.environ["USERNAME"] Oops, sorry, I said os.getenv(), looks like my C background showing through :-) Alan g. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor

Re: [Tutor] Environment Variables On Windows

2004-12-27 Thread Alan Gauld
> I tried to do this: > > import os > import cgitb; cgitb.enable() > print "Content-type: text/html\n\n" > print "Hi there, ",os.system("echo %USERNAME%") If you ignore the environment variable bit, does it work with a hard coded name? If so then try using the function os.getenv() to fetch the va

Re: [Tutor] Environment Variables On Windows

2004-12-27 Thread Alan Gauld
> Anyway, I got to the Using Environment Variables chapter that is in > this page: http://www.oreilly.com/openbook/cgi/ch02_02.html. > This is UNIX environment variables (as I understand), and I guess they > will not work on Windows... They should work on both. THere are some variables that are di

Re: [Tutor] Environment Variables On Windows

2004-12-26 Thread John Purser
script itself... I tried to do this: import os import cgitb; cgitb.enable() print "Content-type: text/html\n\n" print "Hi there, ",os.system("echo %USERNAME%") But I don't get anything in the browser (500 error - Internal Server Error) and when I run the script in IDLE I get: Hi there, 0 I guess

Re: [Tutor] Environment Variables On Windows

2004-12-26 Thread Mark Kels
> Morning Mark, > > Happy New Year, Merry Christmas, and a jolly Winter Solstice Season! > > Whenever you're talking about how to do something in Windows it REALLY > helps when you include WHICH windows you're working with. > > I believe the following will allow you to manipulate windows > envir

Re: [Tutor] Environment Variables On Windows

2004-12-26 Thread John Purser
Mark Kels wrote: Hello to all :-) I'm writing a CGI script (one of my first ever CGI programs and I'm using this tutor to learn CGI: http://www.oreilly.com/openbook/cgi/ This isn't a python tutor, but the introductions says that any language will be good for this tutor. Anyway, I got to the Using E

[Tutor] Environment Variables On Windows

2004-12-26 Thread Mark Kels
Hello to all :-) I'm writing a CGI script (one of my first ever CGI programs and I'm using this tutor to learn CGI: http://www.oreilly.com/openbook/cgi/ This isn't a python tutor, but the introductions says that any language will be good for this tutor. Anyway, I got to the Using Environment Varia