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Would like to know how proxy servers work (i.e. generally, how the mechanism works for the request process).
We're trying to understand how to set up a proxy server for our Web application. We need several processes to access the Internet through a proxy server in the internal network. Ideally, we could run custom Python code somewhere inside the proxy - especially before actually executing the request.
This is probably a really basic / dumb question, but now that I know that we should probably use a proxy, I am struggling to understand how they work and how we should incorporate them to our infrastructure.
Thanks very much! Any information on this will be very appreciated!
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Let's say I run multiple Python scripts in one shell, each at the same time or using cron in the same hour, and let's assume each script makes a different HTTP request. Can the OS do the HTTP in an asynchronous way or the computer will wait until one request is finished to start another?
I tried this and apparently worked, but I want to know how.
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I have a two socket scripts which I want to access from outside local network but None of these solution seem to work.Tried this Accessing python server (web server) using ngrok and this https://pyngrok.readthedocs.io/en/latest/integrations.html#python-tcp-server-and-client and this https://gist.github.com/Jc2k/61aeb5b551d006b17f97 didn't work for me.
Windows 7 python 3.8.8
Any other solution?
This solution may work it worked for me
https://youtu.be/HI1kbr6vBhQ
Just follow the screen as the voice is in another language.
First setup ngrok
Then ngrok tcp port-no
It will return 'forwarding' which will have a port number put it in your file
Then ping the thing it returned it will return the ip then put it in client file
That's all
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I'm new to Flask but have experience with PHP. I know there are session variables and global variables just as in PHP, but what do the contexts actually mean? I read the documentation but could not understand whet it was saying.
What are the application and request contexts, and what the is app.app_context()?
app.app_context loads the application and any extentions you have loaded.
A request context is loaded when you are dealing with a request.
A good example.
If you have a background cron that does some database work, you'll need to make use of app_context to get access to the models.
You'll be a in request context pretty much whenever you're handling a view.
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I'm new to web development and going to make a website which responses with data received from request to web-service(facebook for e.g.) and how to choose what is more useful here:
nodejs has an callback model which allows not to wait while gathering data for user from other services (but i've broken my fingers and my brain after trying to make a kind of class in javascript with inheritance and the whole server drops after unhandled error in script)
python is very convinient in working with diff. kinds of data, it's more convinient for me, former C++ developer
yesterday i've read about twisted python that also uses callbacks
Help me please to choose what to use, better - performance, simple code
The callback model might make your code more verbose but WAIT! there is a solution! Check out
waitfor.
Anyway, if it's a personal project then no one is forcing you to use node.js for webapp development.You should go with what makes you more comfortable. If you like developing in python then go for it! :)
why don't you try django; it uses python (which you said is more convenient) and is also very commonly used for web development.
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I have some software that occasionally logs me off automaticly. I want to block this, so I won't be logged off (windows 7). Are there a way to block log off requests using Python? If so, then how and if not; are there any other solutions?
Looks as if there's a possible solution in an MSDN article.
What you'd have to do is write a simple Windows application which handles the WM_QUERYENDSESSION event, and returns FALSE, then, in theory, as long as that application is running, the system won't log you out. It's possible that just leaving open an instance of notepad.exe with an unsaved file in it would achieve the same thing.
It, might, however, cause all other applications to terminate, so, if that's undesirable, you'd have to intercept the call to ExitWindows from softXpand, which is much more complicated.
Some security products like Comodo Internet Security will allow you to run an application in a sandbox, such that you can intercept and deny certain system calls, which might work.
See also: this question.