the thing is, whenever i update my models, and migrate them, it give me a massive error
#web-development
bleak bobcat
Probably because you had a charfield with the value "1st bool field" and you tried to change that field to a boolean field
vast remnant
Is anyone familiar with using the Fetch API and django? I am trying to access a json file and pass it to my front end, but fetch keeps returning 404.
median meteor
Is anyone here with Django experience? I daced some problem and stocked
uncut rover
ok, thx for your info
bleak bobcat
Easiest way to fix your problem @uncut rover is to destroy your database, create a new one, delete all migrations files, and then run the migrations again. There are other ways but they are a bit more complex, if you don't care about your current data I would just do that
uncut rover
Reset the whole thing?
bleak bobcat
Yea
uncut rover
Ill do that
bleak bobcat
The database only
bleak bobcat
Right now this is not a flask or django problem that you have, it's a basic database problem where you're trying to convert a text column to a boolean column while keeping text data
near jewel
I have a problem, my flask app doesn't decode % characters from url parameters when on a2hosting shared(Uses apache if i'm not mistaken), but handles it just fine locally
for example for /test/foo%20bar
@app.route('/test', methods=['get'])
@app.route('/test/<title>', methods=['get'])
def test(title=""):
return title
When used on remote hosting it would return foo%20bar and on local it would return foo bar. Can't figure out why
bleak bobcat
You should slugify your url parameters
near jewel
But why does it work normally when running locally
And just does that on remote server
native tide
@formal shell Switch to back end
full nimbus
How can I use a godaddy domain to redirect to my website made with flask?
native tide
Oh so you probably want to launch that then. Or I guess at least purchase a name first. I would look that up on youtube. I think most people are still learning not launching websites here at this point but I could be wrong
@pure walrus I don't think it would be that hard
full nimbus
I bought a domain as a joke, but I want to take the opportunity to learn a little web design
native tide
I bought a domain as a joke, but I want to take the opportunity to learn a little web design
@full nimbus 2 things you need to know, SRV and A Records
once you got them covered you'll be able to setup ur domain in no time
and I am sure GoDaddy offer support for such queries
weak lynx
Hi! Im triying to link my .css to my html and it just doesnt work...
look
<head>
<link rel="stylesheet" type="text/css" href="main.css"/>
<meta charset="UTF-8">
<title>Page J</title>
</head
they are in the same folder
and i dont have idea what is happening
can someone help me plsss!?
native tide
Are you sure everythings saved
@weak lynx
Also if that code is exactly right you're missing a closing > at the bottom
What were you goiung to type ba
bleak bobcat
What is your full code ?
weak lynx
let me send it...
dark agate
try "./main.css"
weak lynx
ok
this is the home.html
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="main.css"/>
<meta charset="UTF-8">
<title>Page J</title>
</head>
this is one part of main.css...
body {
margin: 0;
background-color: slategrey;
font-family: sans-serif;
font-weight: 300;
}
.container {
width: 80%;
margin: 0 auto;
}
try "./main.css"
@dark agate I try it and no, didnt work
dark agate
there's no body in your html document
weak lynx
if i click ctrl and click it goes to main.css
there's no body in your html document
@dark agate let me sen it
dark agate
okay
weak lynx
<header>
<div class="container">
<nav>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Category</a></li>
</ul>
</nav>
</div>
</header>
</body>
</html>
the background dont change of color... anythin...
weak lynx
Yes also i have triyed static folder outside the templates but dont work either
bleak bobcat
Do you know what the browser console is @weak lynx ? If yes open it, do you see any error ? If not, press F12 and go to the console tab
dark agate
you are using flask?
weak lynx
yes
you are using flask?
@dark agate
Do you know what the browser console is @weak lynx ? If yes open it, do you see any error ? If not, press F12 and go to the console tab
@bleak bobcat Yes!! it say theres a error 404 not found... but whyy??
with main.css but why?
if i click control in it it goes to main.css
dark agate
if u are using flask I think you have to use url_for to link the css
weak lynx
jmmmm can you say me how?
dark agate
like href={{url_for('static', filename='main.css')}}
but create the static folder and put the css in before doing that
weak lynx
ok...
weak lynx
static folder in or outside templates?
dark agate
outside
weak lynx
ok
like href={{url_for('static', filename='main.css')}}
@dark agate is this correct?
static is marking a error
dark agate
what is it saying
weak lynx
let me see...
its....
ignore style.css its another think i was triying
@dark agate
wild thunder
guys
i have my app deployed in heroku for testing
i want to put it "for real"
if i use amazon
how hard is it to deploy the app?
it uses python (flask) and sqlite (i want to change it to pgsql)
i need to implement payment methods too, but i'm a little worried about deploying
heroku basically does everything, how does amazon deal with it?
distant trout
someone point me to the right direction: how would I go about loading in data by clicking a "load more" button. Using flask by the way and the data is coming in from an API call.
rigid mist
Oh, i fixed it
mellow tide
👍
rigid mist
Sorry ill delete the message
coral raven
problems that solve themselves
mellow tide
@wild thunder Amazon does nothing and you have to do it all yourself lol
mellow tide
@distant trout sounds like Js magic
wild thunder
😬
mellow tide
@wild thunder easiest, though not the cheapest, is to just launch an ec2 instance, put your app there, hopefully you have a way to run it as a daemon, open the ports, and use route 53 to point a DNS name at the instance.
If it's a container, you can use ecs, but you will need to do some lambda magic (unless the allow opening them up to the world now)
The best way to run in AWS with something flask-like is by not using flask and using chalice instead and just deploying to lambda instead
But even that requires some permissions knowledge
mellow tide
Just stick to heroku until you have a reason not to
wild thunder
I mean, the objective is tô deploy on amazon
mellow tide
Until then, read up on the AWS fundamentals lol
mellow tide
AWS has a lot of docs on how to deploy different things different ways (flask apps included), but none of them exist in the free tier, so plan to pay ~$30-60/mo for something small
Because they do it "the right way" and not the cheapest way lol
wild thunder
Where to deploy something cheap?
It's meant to be a ecommerce
I want to be able to upload files
mellow tide
With a bunch of static images, none of the "big three" will be cheap
austere crown
Hello, I am having issues with running some asyncronous functions from another file in my flask app to output some information to the browser. Here is the error:
File "H:\programming\personalSteamAuth\steamauthentication.py", line 72, in get_confirms
loop = asyncio.get_event_loop()
File "C:\Users\KUWUPA\AppData\Local\Programs\Python\Python38-32\Lib\asyncio\events.py", line 639, in get_event_loop
raise RuntimeError('There is no current event loop in thread %r.'
RuntimeError: There is no current event loop in thread 'Thread-8'.
Here is the code in my flask app:
import steamauthentication as sa
@app.route('/_load_confirmations/')
def _load_confirmations():
confirmations = sa.get_confirms() # <----- this is the line where I call the function from my other file
print(confirmations)
if len(confirmations) == 0:
return "<p>No confirmations found,</p>"
else:
output = ""
for confirmation in confirmations:
output += render_template("confirmation.html", confirmation=confirmation)
return output```
And here is the function from my other file being called:
```py
def get_confirms():
global loop
loop = asyncio.get_event_loop()
asyncio.ensure_future(get_client())
asyncio.ensure_future(get_confirmations())
loop.run_forever()
return out
Any help would be greatly appreciated :)
native tide
I use flask
quick cargo
You should not be using asyncio and flask together
austere crown
is there any way that i can execute this without having the flask app interfer with the output
because when i use the function from the command line it works to output the information i need
i just need some way of running this function in my flask app and gaining the return value from it
like i guess if there is a way i could have it run the function (on demand) isolated from flask but still get the return value in the flask app
jade folio
Hey, is there a way to send the flask responses back to the same html page in which the post request was generated?
Thank you for your time!
sacred crest
Hi all. Hope you're all fine.
austere crown
@jade folio are you talking about like an AJAX request to add a response to the current html?
jade folio
Yup
sacred crest
I've written two cron jobs and in one of them I'm saving the results in MySQL. Now I want to use Django to view those data in a website. My question is, do I need to do anything in Django about my cron jobs? or they can work quite independently near each other?
austere crown
yeah @jade folio you can do that by creating a new @App.route('/_example_route/') and having your button call the following function on_click: js function myFunction() { $.ajax({ url: "/_example_route/", success: function(output){ $("#[ID of element you want to add output to]").html(output) }
also in the route be sure to have it return the output you want to add to the html
jade folio
Thanks a lot for your help. Gonna try this right now.
austere crown
so for example ```py
@app.route('/_example_route/')
def _example_route():
return "More html"
is it possible that the action attribute in a form prevents the following function from working?
austere crown
potentially
what action does the form have?
because maybe you could add that to the function you just created and set the forms action to myFunction() rather than using onclick
jade folio
used to specify a route to get the info entered in the form, as in action="/route"
what action does the form have?
@austere crown
austere crown
so maybe try set the action to call the AJAX function (in my example myFunction()) and add to that function a second ajax that calls the route which gets the info added to the form
jade folio
Could you kindly explain a bit how i could do that? Haven't got much knowledge with AJAX
austere crown
so for example:
html:
<form action="myFunction()">
form in here
</form>```
js:
```js
function myFunction() {
$.ajax({
url: "/route to add data/",
post: form data,
success: function(output){
$("#[ID of element you want to add output to]").html(output)
}
$.ajax({
url: "/_example_route/",
success: function(output){
$("#[ID of element you want to add output to]").html(output)
}```some thing like this ^
so call the one function with the action
and have it do both your things you want
i dont really have that much knowledge in ajax either but I was doing something kinda similar using it the other day haha
jade folio
Got it but How do I access the data back in flask?
jade folio
Earlier used to access it through, request.form.get() Should use the same?
I cannot thank you enough for your help!!
austere crown
its all good haha
so you are using a button with type submit right?
jade folio
Yeah
austere crown
are you able to send the html for your form?
jade folio
<form action="/quote" method="post" onsubmit="check(); return false;"> <div class="form-group"> <input autocomplete="off" autofocus class="form-control" name="symbol" placeholder="Stock symbol" type="text" id="quote"> </div> <button class="btn btn-primary" type="submit">Quote</button> </form>
The check function currently is just used to check if all the parameters are filled
austere crown
ok so rather than having an action on your form what you could try is something like:
$(document).ready(function() {
$form('[formid]').on('submit', function(event) {
check();
$.ajax({
data: {
quote : $('quote').val()
},
type: 'POST'
url: "/quote"
success: function(){
$.ajax({
url: "/_example_route/",
success: function(output){
$("#[ID of element you want to add output to]").html(output)
}
}
it may be mis typed but the general idea is to have a js function that waits for the event of the form being submited
and then getting the data inputed to the form
and sending it to the "/quote" url
then after that if it succeeds calling another ajax request which adds more html to the page
jade folio
👍🏻
flint breach
Django filters is preety nice
icy zinc
Hey! Do you know a usefull python library to make a social network?
short sierra
from django.contrib.auth.models import User
from django.contrib.auth.forms import UserCreationForm
class UserRegisterForm(UserCreationForm):
email=forms.EmailField()
class Meta:
model=User
fields=['username','email','password1','password2'] ```
i get an error that says "local variable 'username' referenced before assignment"any help?
icy zinc
You didn't declare it
native tide
@icy zinc I'm making social media app with flask
native tide
Hi! Hows does FastAPI compared to Express for a small team (<5)? I saw some blog posts said that Python required works to do sometimes for async, thread and etc. Meanwhile Node has those built-in.
untold flare
Hey, I keep getting django.db.utils.OperationalError: no such table: project_classname (not actual that name) which is referring to a class we have in models.py when making migrations. I tried deleting the database, but that didnt work, what can I to?
lofty matrix
Did you run migrate?
untold flare
that happened when running python3 manage.py makemigrations
lofty matrix
Oh
Are you trying to reference the model from a foreignkey somewhere where that model isn't imported?
And does the exception give any indication of what line of your code triggered it? I know the errors aren't always helpful as the whole stacktrace can be internal Django code
untold flare
@lofty matrix https://paste.pythondiscord.com/opiqurelub.sql
there's the full trace
lofty matrix
authorize_page("internet") in generate_page.py
is this in a function?
or just in the root level of the file
I think it's root level because that line of the trace say "in <module>"
if that is the case, it looks like that is using the GeneratedPage model before it get's the chance to be created
icy zinc
To make a social network, is it better to use flask or Django?
untold flare
if that is the case, it looks like that is using the GeneratedPage model before it get's the chance to be created
@lofty matrix let me look
lofty matrix
This might break your code as I don't know what that is doing, but if you comment that line, see if the makemigration succeeds
coral raven
use a database browser to see if the table you made has been created
lofty matrix
this is in the stage that generates the instructions for what tables to make, so the database itself isn't relevent yet
untold flare
This might break your code as I don't know what that is doing, but if you comment that line, see if the makemigration succeeds
@lofty matrixthanks!
it worked :D
lofty matrix
🥳
So you'll have to refactor your code so that isn't in the root of your module. Because it is, it is run when makemigration runs
https://docs.djangoproject.com/en/3.0/howto/custom-management-commands/ could be useful. Maybe https://docs.djangoproject.com/en/2.2/howto/initial-data/ . Depends on your needs
twilit zenith
hello, can anyone hit me up with any django project code(github), intermediate-expert level, i would like to know how intermediate django programmers solve problems.
regal furnace
Good day! In my project I want to make library site. So I have book, it's author and it's genre. At home page I want to select a book from the drop-down list by its title. How can I implement this through the views.py and template files ?
late fjord
you want to implement filtering ??? @regal furnace
regal furnace
Let's say so at home page I have text field label and near it I want to make drop-down list from wich I can select a book via it's label.
I want just to choice book from list which I put at my admin page.
I'm not sure that it should be mandatory filtering
elfin bluff
i need help for making list of list:
A & M are two list:
im collecting some elements in A , and saving it in list M,
and where im clearing list A to collect new elements, my list M is also getting empty
M.append(A)
A.clear()```So in my models.py I need to write filtering field?
Ok @late fjord I'll check it asap! Hope it'll help me!
late fjord
just watch the video but the drop down menu you need to use javascript I guess, and I can't help on that
I don't know how to use javascript
hhh
regal furnace
Yes @@elfin bluff
I want to use it at my home page. So I working now on library site. I have author, genre and book. And I want to implement near textfield label drop-down list of books which I have at my database(I put them at admin page)
brave elbow
Can someone help me. I am using vscode and it always tells me I have 'unresolved import' problems when I dont. For example, "from wtforms import <whatever>" always gets the red squigily underline. In the problems section of VScode it says unresolved import. However the modules are installed and the import is working correctly at runtime.
brave elbow
Thank You @lofty matrix
last ginkgo
help
File "C:\Users\wattow24\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
response = get_response(request)
File "C:\Users\wattow24\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\handlers\base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Users\wattow24\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\handlers\base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\wattow24\Desktop\programming\python\PyWeb\main\views.py", line 24, in create
return HttpResponseRedirect("/%i" %t.id)
Exception Type: UnboundLocalError at /create/
Exception Value: local variable 't' referenced before assignment```code:
from django.shortcuts import render
from django.http import HttpResponse, HttpResponseRedirect
from .models import ToDoList, Item
from .forms import CreateNewList
def index(response, id):
ls = ToDoList.objects.get(id=id)
return render(response, "main/list.html", {"ls": ls})
def home(response):
return render(response, "main/home.html", {})
def create(response):
if response.method == "POST":
form = CreateNewList(response.POST)
if form.is_valid():
n = form.cleaned_data["name"]
t = ToDoList(name=n)
t.save()
return HttpResponseRedirect("/%i" %t.id)
else:
form = CreateNewList()
return render(response, "main/create.html", {"form": form})
Hello! Which web framework is better? Django or flask?
For flask sessions, when the user reopens the website does their session reload?
quick cargo
@native tide not always
Usually sessions stay until X amount of time or the browser's cache and cookies are cleared
native tide
Gotcha. I'm just having issues keeping a user logged in across the website's pages. I've been using Flask-Login for it so far and I'm just wondering why it's not working as it should.
native tide
>>> x = User.query.filter_by(email='example').all()
>>> x
[<User 1>]
I'm using SQLAlchemy. Is there any way to make the query show me the actual information of User1, such as email, password within the terminal?
glass walrus
your result set is a list, so you should access the item in your list. like x[0].email
native tide
Thank you very much! @glass walrus I understand! The .all() gives a list as there may be more than one. Thank you.
burnt night
Question
i want to get into backend web dev...
I was getting used to using my frontend knowledge and moved over to webflow, but i want backend now so i can go full stack...
but i have no idea where i can host... any suggestions?
brittle basin
You can try to deply to Heroku
Though I'm trying it now for the first time and having a trouble lol
burnt night
is there a limit on free heroku?
burnt night
pretty much fresh out of school, but i'd like to start a lil thing of sorts
brittle basin
It great for fast deployment of small apps for free
It has some premium services too, though never tried
brittle basin
A matter of practice
burnt night
Noted... thanks 👍🏿
brittle basin
Speaking of Heroku, I'm trying to deploy my app too, it uses gunicorn and flask. I came across a problem I can't seem to fix.
When I run the app locally it works fine.
But when I try to load it up in the dyno, it crashes
It doesn't seem to find the main package I have called "app"
Let me send an image of the file system
native tide
@burnt night If you signup to github student you get some sort of heroku subscription
Think it's something like a years hosting
brittle basin
This is my Procfile
When I tail the dyno I see that
Which is that import line
Any idea why it fails to find the app package inside the dyno?
burnt night
@burnt night If you signup to github student you get some sort of heroku subscription
@native tide :o
thx
native tide
@burnt night link herehttps://education.github.com/pack
royal oak
can someone spend time on private message with me on what i need use to create a website and what coding i need to do
i am a beginner
feral minnow
Im trying to download this image using requests but im getting 404 even though I used user agent(header), is the problem from my pc or its just protected from the website
note: if you see there's no network activities
native tide
@royal oak If you want to learn about web development and you're interested in flask here's a good book
Also I found codecademy's course with flask a good explainer for the most part
royal oak
whats flask ??
native tide
A web development framework
royal oak
oh okay so flask is were i do my coding ?
native tide
No, you code with Python. It gives you functionalities for web development. I'd suggest you read into it yourself
royal oak
okay thanks
past cipher
does anyone know why I am getting permission error ?
topaz charm
Is it possible to have my Django views change daily by replacing the current info in my view with info randomly selected from my database? I.e each night at midnight, I want to select a new object from the database and place its information in my Django view.
Here's a stack over flow question that might clarify what I mean: https://stackoverflow.com/questions/63328357/how-do-i-change-a-django-view-to-display-a-different-model-element-each-day
quick cargo
templates™️
thorny dock
How do I get query parameters with FlaskAPI? I figured out path variables, but I'd like to use a query param
I'm also open to suggestions for REST api libraries
If you have something against FlaskAPI
(I usually use Go for REST stuff)
quick cargo
@thorny dock
from flask import request
e.g url = "xyz.com/bob?name=jim&age=123"
name = request.args.get("name")
age = request.args.get("age")```Flask is a really stable framework and incredibly user friendly, its certainly not the fastest tho if you're aiming for speed then flask isnt your thing, but overall flask is very powerfull
round tinsel
I prefer Flask over Django for example due to Flask's relative simplicity.
thorny dock
I'm not building a full backend with it, just a JWT microservice, so speed would be preferable. I only have two endpoints, /issue and /verify
zinc hill
hi not relate to python but I was wondering if anyone can tell me what type of image this call?
weak lynx
Hi im kind of new in web development and i having a problem... im creating posts but when i put the second one it dont go under the first it apppear overlapping my first and i dont know why... can someone help me?
mellow tide
@weak lynx check your css, that's literally the only thing it could be
weak lynx
i will send it... @mellow tide
.review1 {
position: absolute;
margin-left: 134px;
margin-right: 250px ;
margin-top: 45px;
border-style: solid;
border-color: rgb(0, 0, 0);
border-width: 2px ;
padding: 30px;
padding-right:270px;
padding-top: 15px;
font-size: 17px;
}
How can i create a exact same of those under the first and then under the second...
mellow tide
Don't try to do it yourself, there are plenty of frameworks that do it for you. See "bootstrap"
Honestly, if you don't learn the frameworks that are out and about, you will be at a disadvantage in job hunts
And usually I'm a stickler for "learning the basics", but frontend web is very framework-centric
warm igloo
You definitely don't want position: absolute @weak lynx
If this is a div and you're stacking them one right after another, they'll default to being the way you really want them. No position needed at all unless you're doing something I can't imagine at the moment.
weak lynx
@warm igloo Yes thanks, i delete it and it works... now i have a little problem with some images but i will fixed it
thanks
tight grotto
native tide
@tight grotto I'd say you send us a traceback of the error..we don't know what "doesn't work"
Is Flask a good fit in the microservices architecture? I've seen plenty of people and frameworks relying more on Java rather than Python and this makes me reconsider whether I should keep going with Flask. From your perspective, is an online-store built upon a microservices foundation achievable with Flask as a micro web framework?
native pasture
@native tide I think it depends more on how you implement your microservice architecture. As far as web/HTTP backend framework per se, you can probably be as lightweight as Flask even with Java, but I have no experience on the latter. If you're familiar with python you're probably better off with Flask, which is not bad at all for most web applications.
bronze quarry
Python is no longer suitable for Web Development
i say this after 4 years in DJango and 2 years in flask
the documentation is now starting to drift behind as i see a lot of these projects being updated maybe one or two times a month
bronze quarry
Node is absolutely ungulfing the web development world, and a lot more projects in Go and Rust are on its way
Also, in terms of performance, Python is extremely slow
spinning up a $5 general server on Digital ocean and puting a Flask-SQLAlchemy / Marshmallow project on will only give me a benchmark of maximum ~500req/s
just simplying returning a small json body
node can easily do 2k
per second
rust and go
even more so
2010-2017 was RoR vs Python. now its node and performance languages
quick cargo
The diffrence is Node acts as a async type system
If you actually Ran Flask with gevent like most people using it for APIs you'd find a very large increase in performance
bronze quarry
even if that was the case, performance in go, rust, scala. or even in older lanaguages like Java or C++ in unreachable for Python
quick cargo
yes because theyre compiled
but people dont care about performance they care about how quick it is to develop and train people on
bronze quarry
yeah, my team made the decision today to switch to Go / Node to keep up with the times
we're sunsetting all our Flask apps
which arelike 4 of them
flint breach
look up uvloop, if you're squeezing for performance
quick cargo
uvloop doesnt work with flask
bronze quarry
NOde is easier to teach than Python nowdays
quick cargo
the issue is they're comparing one of the slowest frameworks to a async node system
bronze quarry
There is way more updated documentaiton on Node than Python
flint breach
that's your opinion
bronze quarry
I think its quantifiable
quick cargo
your claims are very questionable tho lol
bronze quarry
I mean, it's pretty obvious that Node would engulf the world in web development - One language for the entire stack
flint breach
i understand python is not natively meant for perfpython is very mature, the docs are very clear and concise, very easy to pick up
quick cargo
i mean no, Node has been around long enough to show itself
bronze quarry
one of the biggest issues my team had with python was how difficult it was to use package managers
quick cargo
🤔 Then your setup must be rather scuffed
bronze quarry
we used pip originally and we liked that, but were suggested to change to pipenv in which hell broke lose for us
reverted back to pip, and then ended back up on poetry
Currently, we dont find the python ecosystem sustainable, and find node and go's way more productive in the long run
flint breach
can't complain about node, although the npm/modules ecosystem, yikes
quick cargo
wait... Do you just.... deploy without any containers or any decent organisation
bronze quarry
yeah we're pretty small, we're not really dealing with docker or terraform
we have 5 microservices that we handle
quick cargo
and yet you have a go at flask for being slow lol
bronze quarry
im sorry?
flint breach
go is nice for microservices ngl
quick cargo
go is pretty nice
bronze quarry
containerization will not help improve speed and performance
quick cargo
no but running flask with gevent would massively increase performance
not that it matters considering the system is normally slowed down by other systems but if you really want performance you'd use a ASGI instead of WSGI
bronze quarry
yeah we're using uwsgi
we have looked at other frameworks such as starlette and falcon
but the development and environment just doesn't seem there for us
it was very questionable where these projects would end up in 2-3 years
we just had to go with Node in terms of this
quick cargo
i mean they've already existed for longer than that
bronze quarry
node's security for the future is just that much greater
quick cargo
🤔 Even tho most npm modules arent maintained after a year
quick cargo
🤷 you do you ig
if you wanted speed so bad you might aswell run with Go over node in that case
flint breach
bronze quarry
yeah Go is needed for our websocket servers
quick cargo
just just use Go for all of it lol
bronze quarry
node will handle most of the auth and just general routes
well, its not necessary, our devs are already working on node
bronze quarry
lol
quick cargo
npm is a meme lol
flint breach
if you're using webpack, you're using this package 🙂
bronze quarry
seriously?
flint breach
:), that's why i think this ecosystem is a joke
quick cargo
over half the JS community have no idea what they're doing
bronze quarry
well, this is just a one off situation, but definitely a questionable choice by webpack
in general, js seems to be alive
quick cargo
so is python lol
bronze quarry
i am feeling the death of python unfortunately
flint breach
Uhm
bronze quarry
im getting so many outdated SO stuff
quick cargo
🤔 Then update your modules lol
quick cargo
oh yeah mb
bronze quarry
Answered 2 Years Ago
quick cargo
but why do you even use Stack overflow
quick cargo
you should atleast be beyond needing to SO everything instead of actually reading the docs
bronze quarry
yeah that's the thing, Flask-SQLAlchemy and tying CElery together doesn't have docs
i have to rely on SO answers
flint breach
well 3rd party integration is a different subject then native python libs
that's the responsobility of the lib owners
well, not really a responsibility
it's open source 🤷♂️
bronze quarry
stack overflow question that i recently had to spend
20+ hours on
no joke
actually 20 hours is exaggerating
numerous hours*
quick cargo
I cant comment on that because i dont use Flask generally
flint breach
also not a very mature package
quick cargo
df is celery even
bronze quarry
celery helps with async operations
flint breach
that's not distinct for python though, if you need some specific use case, you'll likely find a not-that greatly supported lib for it
celery is basically a queue of workers for handling processing
quick cargo
You went with Celery over a mature lib like Gevent or pyuv?
west arrow
There is way more updated documentaiton on Node than Python
Lmfao. stop.please. Just one week I spent trying to solve an interview question and there was barely anything on the web. Lol
@bronze quarry
flint breach
or some type green threads - can't recollect
quick cargo
according to their description its a Queue system
bronze quarry
if you have an expensive task to run and don't want to block the main thread
you use Celery
we use it to set off timers in our system
flint breach
actually uses rabbitmq/redis for the queue itself
bronze quarry
yeah redis
flint breach
basically it's a distributed task framework
quick cargo
they're essentially trying to act like a async framework
flint breach
essentially, sure
async, parallel, concurrent, distributed
these are different things
well, async is basically a sub category of concurrency
quick cargo
async is just the blanket coverting of parallel and concurrent
quick cargo
yes but they're both used to create asynchronous systems
flint breach
true
native tide
@quick cargo How could you use selenium to click a checkbox if the checkbox doesn't have an ID
native pasture
@native tide css selectors?
native tide
er what does that mean @native pasture
rigid laurel
Node docs are amazingly bad
native pasture
flint breach
tbh, node and python docs are preety good, i don't get what's with the language circlejerk
native pasture
@native tide Google selenium css selectors and you'll find what you need
native tide
@native tide Google selenium css selectors and you'll find what you need
@native pasture Is there an ID for every single checkbox
It's just a checkbox of an official website, may I dm you it and you find out the ID?
rigid laurel
Node docs have been woefully inept for me in the past. ArrayBuffer stuff specifically caused me a bunch of problems from lack of clarity
and in general, I feel like the Node ecosystem has much worse docs
quick cargo
Ive never been very interested in learning the Node eco system
seems pretty pointless to me
rigid laurel
well - Node is great for going from 0 to something quickly
and the speed of it is relevant sometimes
quick cargo
If really want speed id go with Go or Rust depending on the level required
native tide
Do you guys know of any resource/book that builds a simple python microservice (preferably with Flask) together with a load balancer and service registry? I m trying to migrate an old project (from scratch since it's easier) to use microservices, I know the building blocks and frameworks I should use but I can't figure out how to glue them together.
rigid laurel
Node gives a good compromise between speed of code and speed of development
nova sleet
hi
I'm wondering if It would be possible to set up a temporary web server using flask that would be accessible by other computers (not on my wifi [in fact, in another continent])
scenic vapor
in my Flask API
im listening to a 3rd party post request
i can't seem to get the post body in json
POST /webhook/ HTTP/1.1
Connection: close
Host: 127.0.0.1
Content-Length: 346
Content-Type: application/x-www-form-urlencoded
id="W_79pJDk"
&collection_id="599"
&paid="true"
&state="paid"
&amount="200"
&paid_amount="0"
&due_at="2020-12-31"
&email="api@billplz.com"
&mobile="+60112223333"
&name="MICHAEL API"
&url="http://billplz.dev/bills/W_79pJDk"
&paid_at="2015-03-09 16:23:59 +0800"
&x_signature="f0ff6c564f98d5403e2b26fbd3d45309c76eb68d8c5bcda0d48b541c3502a396"
Body formatted for readability.
heres how the post reqest looks like
i've tried request.get_json(), request.form.keys(), request.get_data()
@app.route('/api/billplz_callback', methods=['POST'])
def billplz_callback():
data = request.get_json(force=True)
print("from billplz: ")
pp.pprint(data)
return 'hello'
this returns None
cold anchor
the API isn't sending you JSON, when you're trying to read JSON
take a look here and try these suggestions https://stackoverflow.com/a/16664376/8015233
cloud path
guys do you know any good tutorial to learn django?
devout coral
@cloud path https://www.youtube.com/watch?v=UmljXZIypDc&list=PL-osiE80TeTtoQCKZ03TU5fNfx2UY6U4p Best one there is IMO
cloud path
thanks
native tide
My django project dir looks like this
from my views.py file i am trying to import
view.py looks like this
from django.shortcuts import render, redirect, reverse
from django.http import HttpResponseRedirect
from .models import Subscribe
from django.core.mail import send_mail
from django.conf import settings
from .forms import SubscribeForm
def foo():
return 'foooooooo'
# Create your views here.
def home(request):
context = {'text': 'Thanks for Subbing'}
return render(request, 'subscribe/home.html', context)
def index(request):
if request.method == 'POST':
subscribe_form = SubscribeForm(request.POST)
if subscribe_form.is_valid():
subscription = Subscribe(
name=subscribe_form.cleaned_data['name'],
email=subscribe_form.cleaned_data['email'],
send_gap=subscribe_form.cleaned_data['send_gap'],
country=subscribe_form.cleaned_data['country']
)
send_mail('subject', 'this is a message', 'testkenny00@gmail.com', [subscription.email],
fail_silently=False)
subscription.save()
return redirect('home')
else:
subscribe_form = SubscribeForm()
context = {'form': subscribe_form}
return render(request, 'subscribe/index.html', context=context)
when it reaches the line from .models import Subscribe
i get this error
ImportError: attempted relative import with no known parent package
but i am not running the views.py file but send_every.py
send_every.py looks like this
from apscheduler.schedulers.blocking import BlockingScheduler
from views import foo
sched = BlockingScheduler()
# Schedule job_function to be called every two hours
sched.add_job(foo, 'interval', seconds=30)
sched.start()```how do i fix this?
coral raven
from models import Subscribe@native tide
short sierra
I have been using Linux today I installed windows I tried to run python manage.py runserver but I get nothing back anyhelp?
coral raven
python3
short sierra
same prob
coral raven
open a terminal and type python --version, python3 --version
see what version it throws
coral raven
just type python and see if the shell opens
coral raven
python3?
fickle basin
hello @everyone
coral raven
what linux distro?
nova sleet
I've started learning flask + socketIO to create webservers. Me and a friend are trying to do a thing, but we are... far to say the least (like halfway across the world). I created a webserver hosted on my public ip address, but he couldn't connect to it. The server did show evidence of him trying to connect, but it would always time out. Is it possible for people this far apart to connect with a url with an ip address, and if it is, what are we doing wrong?
fickle basin
i am facing an issue with django i have 3 apps in my django project and i can't manage to access templates from the store app
short sierra
I installed iit from Microsoft store it works now
short sierra
thanks
fickle basin
the tree
short sierra
@coral raven the pc think I don't have it at all
fickle basin
the error i got
short sierra
u don't have store.html
fickle basin
@short sierra yes i do as you can see in the tree
fickle basin
fickle basin
but if i use urlpatterns = [
path('store', views.store, name='blog-store'),
]
instead of urlpatterns = [
path('store', views.store, name='store-store'),
]
it works
coral raven
@nova sleet About that if you are running a local host, your friend cannot connect to it. You can use ngrok to make a temporary server to which he can connect
fickle basin
@short sierra any idead how to handel it ?
nova sleet
It wasn't 127.0.0.1 if that's local host. It was my public ip, but I'll look into ngrok @coral raven
coral raven
setting up ngrok is easy
pip install pyngrok
then once you have your server running
open a new terminal and type ngrok [port_number_where_server_is_running]
It will spit out a weblink
If you close the terminal the server will close
@nova sleet
nova sleet
oh
that seems really easy
so quick q
would local host be ok in this case, when initially starting the server, or does it have to be my public ip?
coral raven
yes local host is fine
nova sleet
okely dokes
coral raven
also you can see all the requests in the new terminal you made
nova sleet
downloading pyngrok failed
AttributeError: module 'importlib._bootstrap' has no attribute 'SourceFileLoader'
was the final error
@coral raven
coral raven
Wait let me see
coral raven
@nova sleet
one correction its ngrok http [port_number]
agile fern
how to convert doc to pdf in python on linux??
indigo kettle
hey any flask ppl here? ping or DM me?
Thank You!!
lavish prismBOT
indigo kettle
shall i DM u?
snow dragon
@indigo kettle No. See point 2 above, and if you need help beyond general discussion see #❓｜how-to-get-help
indigo kettle
alright sry!!
snow dragon
No problem.
elfin gyro
Hello everyone. Can someone explain me how to make my buttons in html work with flask. Basically I made a button that should redirect me to another template of mine and just doesnt.
from flask import Flask, render_template, request, json
app = Flask(__name__)
@app.route("/main.html")
def naslovnica():
return render_template('main.html')
@app.route("/o%20timu")
def onama():
return render_template('o timu.html')
if __name__ == "__main__":
app.run(debug=True, host="0.0.0.0", port = 80)```this is the code
mellow tide
your template would matter more, unless it's a python error you see
elfin gyro
It's not a python error. When I click the button I get like error web page instead of my redirected web page
I mean, I dont get any errors in the console...
native tide
i'm kind of new, but i can't get my website to locate my css file
elfin gyro
@native tide Make sure your css file's location is correct.
You need to have this line in your <head>
<link rel="stylesheet" href="styles.css">
But change style.css into your file's location.
warm wren
Hello, I hope that I am asking within the correct channel but I have an enquiry which I haven't really had an sound response:
I am looking to develop a personal blog website using python. I am not sure if I should be doing this in Django or Flask?
I am of a beginner with Python and python is the first programing language I have learned. Would anyone be able to provide me with some good advice? I would really appreciate any response. Thanks.
mellow tide
@warm wren Django has everything you could possibly need built in, but it's a steeper learning curve ... flask is easier to learn, but you have to bolt everything together yourself with libraries.
frank vine
Building a blog site in django would require more upfront investment to get the site set up as django is more complicated than flask.
Building a blog site in flask would be simpler, but you will end up writing more and more features by hand to manage things as you want to add more features.
If you're very new to Python, it might be a good idea to use flask as it is simpler to understand and will require less effort to get something very basic working. I'd recommend using something like heroku to host your blog since it's simple to get started and you won't have to worry about managing a server.
native tide
Hey guys
So, I just knew scraping site like this is illegal https://www.whoscored.com/Statistics but I want to learn web scraping with a website that has pagination but without different urls. How can I do that?
frank vine
If you want to learn how to scrape a paginated site, why not create a test site that has pagination? At least that way you can learn how to deal with the different methods of pagination (scroll IDs, offsets, counts, etc.)
warm wren
@frank vine Thank you so much for your response! I really appreciate it.
@mellow tide Also thank you!
native tide
If you want to learn how to scrape a paginated site, why not create a test site that has pagination? At least that way you can learn how to deal with the different methods of pagination (scroll IDs, offsets, counts, etc.)
@frank vine create a test site? No way. Firstly, I don't have time to do that. Secondly, I won't manage to create such stuff
wild thunder
Hey guys!
I'm with a little problem:
i want to use the value from an html select field in an url,
like foo.com/25 where 25 is the size
how to do it using an select field?
I need jquery?
frank vine
@native tide
import json
import os
import sqlite3
from flask import Flask, request
fruit = [
'apples', 'bananas', 'cherries', 'damsons', 'figs',
'grapes', 'kiwis','limes', 'plums'
]
if not os.path.exists('fruit.sql'):
with sqlite3.connect('fruit.sql') as db:
db.execute("""CREATE TABLE IF NOT EXISTS fruits (
name text
)""")
db.executemany("INSERT INTO fruits (name) VALUES (?)",
[(x, ) for x in fruit])
db.commit()
app = Flask(__name__)
@app.route('/')
def page():
offset = request.args.get('offset', 0)
count = request.args.get('count', 2)
with sqlite3.connect('fruit.sql') as db:
cur = db.cursor()
cur.execute("SELECT * FROM fruits LIMIT ? OFFSET ?", (count, offset))
response = cur.fetchall()
return json.dumps(response)
app.run()
There is a super naive implementation of an offset-count paginator. You can use that to learn how to scrape that kind of paginated sites. There are more sensible ways of doing this (this implementation has no input sanitisation or use models in, say, sqlalchemy which comes with better pagination logic) but this is sufficient to learn. It took me about 10 minutes of fiddling around. I'd really recommend you practice writing these little bits of code so that you can make these little experimental programs; it's really beneficial.
sudden grail
Hey, what do you all guys think is better for productivity and small-medium sized teams: a real time chat app like slack or a threaded chat like twist?
weak lynx
Hi! I hope you all are good... can someone say me the best hosting free?
quick cargo
I mean you just listed a Programming lanuge a micro framework and a full framework
idrk what you want us to say about the entire language of js lol
keen acorn
Hey does anyone know how to prevent passenger_wsgi from getting overwritten?
I am dealing with Namecheap hosting and almost every time I do git pull it changes my passenger_wsgi gets overwritten back to
import imp
import os
import sys
sys.path.insert(0, os.path.dirname(__file__))
wsgi = imp.load_source('wsgi', 'app.py')
application = wsgi.application```Which is very annoying because even if I change my application name to app.py and put it on the same directory as the passenger_wsgi.py it still doesnt work
I always have to change it back to
import os
import sys
sys.path.insert(0, os.path.dirname(__file__))
# noinspection PyUnresolvedReferences
from main import app as application
almost every time I do git pull
To be clear, the passanger on my repository is the correct one, but for some reason when I restart the python app with the button on cPanel, it gets overwritten by the first default one which doesnt work at all
celest torrent
I've posted a Django question in #help-chestnut if anyone is free to help :)
lone moat
rose vale
How can i call a function from flask?
lofty venture
Hello, im just learning to use django, im absolutely new to web development and i'd like to learn a bit of html to complement.
can you recommend me some good place to learn?
storm inlet
https://github.com/django/django/blob/f4ac167119e8897c398527c392ed117326496652/django/db/models/query.py#L563 am I mistaken in thinking this method has a TOCTOU?
warm igloo
I've only had to make one once for a Flask app, @weak lynx
What is yours supposed to run?
For instance, my Procfile is a single line:
web: gunicorn wsgi:app
brave bolt
native tide
**I'm getting an error in visual studio code where it says
Unable to import 'django.urls'pylint(import-error)**
wild thunder
guys, sorry if i'm interrupting, i tried in stack overflow and other sources, but i'm not finding how to
i want to pass my model data to javascript inside flask application
like
entry = {
id = object.id,
title = object.title}
how can i do it?
i tried {{object.id}} but had no success,
lethal igloo
@wild thunder do this
final_graph_data = JSON.parse({{final_graph_data | tojson}})
{% endblock %}```and on the server side
pass this in render_template final_graph_data=json.dumps(final_graph_data)
wild thunder
so, it would be like:
{% block javascript %}
object = JSON.parse({{ object | tojson}})
{% endblock %}
?
lethal igloo
yes yes, but remeber to make it json on the server side , that I wrote beneath that @wild thunder
wild thunder
alright
i'll do
one sec
got this :
TypeError: Object of type Product is not JSON serializable
it's an SQLAlchemy Model
class Product(db.Model):
etc
do i need to create an @property with the data i want to send?
lethal igloo
see anyhow create a dict data str on the server side do a json.dumps there and send it via render_template and then do a json.parse . That's it
@wild thunder
wild thunder
i'm on it
1 minute
well it kinda worked
but do i need to use all that {% jinja lingoo%}
all the time?
or just the json.parse
lethal igloo
well after parsew now you have javascript object now you can do anything with that
@wild thunder
wild thunder
i mean, i want to send it to my serverside
lethal igloo
after data manipulation send data to server side via any api call lib, like if you're using jquey then it is $post or $ajax or if you're using vanilla js then there is simple request library
wild thunder
oh
lethal igloo
@wild thunder google it it's easy, I am out now
wild thunder
i was mistaken, i'm sorry
i was putting my {% javascript block %} out of an js tag
it was rendering it in the page instead of keeping it in the background
lethal igloo
put that above <script> tag
lethal igloo
wild thunder
but now
var entry = {
titulo: produto_json.titulo,
moldura: second_box,
id: produto_json.id,
price: price}
i want to send it to serverside
and i'm getting method not allowed
my route is 'post' only
foggy coral
anyone used scrapy for web scraping and can comment on whether it is worthwhile versus simply writing one's own web scraper with say, requests and beautiful soup?
unborn sphinx
native tide
I am using pycharm for my IDE. I am also using django. I changed my css code but it is not changing on the site. I even deleted everything in the css file and it still is not registering that i deleted it on the website. I ran the server and went to the link, and pressed view page source and located my css file, and it says i still have all of my old css stuff on it, but i changed it, it's just not registering.
ripe goblet
I am using pycharm for my IDE. I am also using django. I changed my css code but it is not changing on the site. I even deleted everything in the css file and it still is not registering that i deleted it on the website. I ran the server and went to the link, and pressed view page source and located my css file, and it says i still have all of my old css stuff on it, but i changed it, it's just not registering.
@native tide can i have a look at your code? did you add it to static?
in settings.py?
also get a help-channel 😗
narrow crypt
Please help me with this issue, trying this whole thing since 2 weeks but couldn't solve.
spring jasper
I've been learning Python for about 6months now. I'm trying to do more web stuff and feel like there is so much more support for javascript based setups rather than Python/Django. Instead of doubling down on Python and learning python, should I bite the bullet and head down a javascript/node etc track?
vestal hound
I've been learning Python for about 6months now. I'm trying to do more web stuff and feel like there is so much more support for javascript based setups rather than Python/Django. Instead of doubling down on Python and learning python, should I bite the bullet and head down a javascript/node etc track?
@spring jasper
well, JS is unparalleled for frontend stuff
but if you're talking about a backend API...Python is fine.
rigid laurel
If you want to do web the modern way, then you need to do single page applications which require JS or something that transpiles to JS
and if you're doing the frontend in JS, NodeJS for the backend is fine - probably easier to jump into than a mix of python for the back/JS for the front
celest torrent
I'm having trouble implementing model constraints. If anyone can help, I've posted on Stack Overflow
spring jasper
Awesome thanks @vestal hound abd @rigid laurel
oblique token
I am using django's built in method to reset the password for a user. I am getting this error. Can anyone help?
weak lynx
Hi im triying to deploy a flask and python web into heroku but its getting me H10 app crashed, can someone help me please??
barren stratus
How to use break in jinja 2
oblique token
EMAIL_USE_TLS
@flint breach Oh, i found a typo in my code! Thanks
native tide
Why is it not working when i make a new python file in my app folder and try to import for example models in that file
FOR EXAMPLE
my dir looks like this
I want to import a model from the models file in fill_database.py
but i get this error django.core.exceptions.ImproperlyConfigured: Requested setting INSTALLED_APPS, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.
the fill_database file is this
from models import ArticleWord
from scrape_words import all_words
for word in all_words:
a = ArticleWord(word=word.word, article=word.article)
a.save()
what is the purpose of this file?
basically, django imporrts all the files you have, and executes them, you're iterating over all your "words" and then creating an object, when the django hasn't done the startup process yet
native tide
i don't know what you mean
bleak bobcat
Are you trying to run the file fill_database.py directly ?
That's what the error is suggesting
native tide
yes i am runnung fill_database
wild thunder
guys, good morning
I'm already losing my mind, on at least 3 stackoverflow questions i got my "answer" but this s*** is still not working.
i'm starting with js now, had no prior experience at it
i'm trying to get the value from a select field
i'm like 8 hours trying this and had no sucess, the only way i manage to do it is passing the function with (this) inside, but i don't want to get the value just interacting with it
can anybody help me?
bleak bobcat
document.getElementById("your_select_id").value
bleak bobcat
Ok, do
console.log(document.getElementById("your_select_id"))
console.log(document.getElementById("your_select_id").value)
please
celest torrent
Are you trying to get the text or the 'value'? In a select field, they're different
wild thunder
its returning undefined
bleak bobcat
First one or second one ?
wild thunder
1 sec
i'll try that snipp
i'm using flaskforms
{{ checkout.tamanho(class="form-control", id="SizeList", required='required' ,type="text", onchange="getSize(this)") }}
<div class="row left-10" id="SizeList">
<b>
<p class="tamanhos">A4</p>
</b>
<b>
<p class="tamanhos">A3</p>
</b>
<b>
<p class="tamanhos">A2</p>
</b>
</div>
it was returned by that console.log(document.getElementById("your_select_id"))
bleak bobcat
The second one I guess ? As you can see that's not a select, just a div and some bold paragraphs
wild thunder
oh, jesus
i guess i found
the error
i'll check
fml
sorry guys, found the error
somehow i had a div with the exact same name and it was not pointing to double id names
wild thunder
i'll keep that in mind, thank you @bleak bobcat
now i'll get my breakfast, i would not eat without solving this
atomic zinc
Hello all. Any recommendations for a tutorial/course for a beginner who wants to study HTML CSS JavaScript
livid scaffold
@atomic zinc are you a complete beginner
native tide
Codecademy
atomic zinc
@livid scaffold yes
https://youtu.be/gQojMIhELvM I have seen this recommend but it's from 2018
native tide
Got got an email confirmation functionality done with Flask... this is awesome
coral raven
Great!
atomic zinc
thanks
native tide
<a href='/verify_account/{{ token }}'> Click here to verify </a>```How can I set the <a> link to the /verify_account/<token> route I have in flask?
Nevermind - I got it. Here's for anyone who's interested:
<a href={{ url_for('verify_account', token=token) }} > Click here to verify </a>
But I do have a problem.
Say I was in gmail, and I pressed the link, it would send me to /verify_account/{{token}}/ I'm currently running on localhost, and the link doesn't include it (so it doesn't work).
Is there any way for it to redirect to http://127.0.0.1:5000/verify_account/{{token}}/
glossy arrow
Can I ask about javascript here?
mellow tide
@glossy arrow You can, but there is no guarentee you will get an answer considering this is a Python server
glossy arrow
Ok, thanks
plucky mason
Learning Django...
I have a form that I have submitted data through from my index.html. I want the results of the form to show up on my result.html. As of right now, everything shows up right including the checkboxes I checked from my form... everything except my radio buttons. They show up, but they show up with the name rather than the value.
<div id="married_block">
<p>Married?</p>
<input
type="radio"
id="married_yes"
name="married"
value="Yes"
/>
<label for="married_yes">Yes</label><br />
<input
type="radio"
id="married_no"
name="married"
value="No"
/>
<label for="married_no">No</label><br />
How do I get the result.html to show Yes or No instead of married or child?
EDIT: Turns out there was absolutely nothing wrong... when in doubt: restart server.py, refresh browser
result.html:
<p>Married: {{married}}</p>
<p>Children: {{child}}</p>
user_form_married = request.POST['married']
user_form_child = request.POST['child']
views.py
def create(request):
if request==Post:
form =NewPost(request.POST or None)
if form.is_valid():
form.save()
return redirect('homepage')
else:
form=NewPost()
return render(request,'blog/create.html',{'form':form}) ```
``` forms.py ```
class NewPost(forms.Form):
title=forms.CharField(label='Your name',max_length=50 )
content=forms.CharField(label='Your name',max_length=300) ```
its not working anyhelp
craggy orchid
I want to be able to make dashboard for a discord.py bot, but I can't find any templates or whatever. What is a good suggestion?
elfin gyro
What is the best way to make html fully responsive on mobile devices using css?
acoustic oyster
@craggy orchid I created my own using React, any JS framework could get this set up very quickly. If you just want a static sort, you can google "free dashboard templates" and should get a nice selection
craggy orchid
Ok
acoustic oyster
@elfin gyro I often use bootstrap since it handles quite a lot of the responsiveness. Other than that, I like to take the "mobile first" approach. This is designing a site with mobile in mind, then making it work for desktop, not the other way around.
With that said, if designed well, it can take just a few media queries to make it work.
I'll send a picture of what a REALLY particular component required for css to work on desktop
this needs to be refactored, but this is the solution I needed to get a really particular banner to work on multiple devices
I would say the best way is to keep it simple, design with mobile in mind, then alter things where needed in media queries. If using a framework, the mobile side can be an after thought (although it should not be) if you are able to fit everything into the framework.
i.e for bootstrap
<div class="container-fluid">
<div class="row">
<div class="col">
<h1>Stuff</h1>
</div>
<div class="col">
<h1>More Stuff</h1>
</div>
</div>
</div>
crimson yarrow
hey guys
in flask
im trying to do a thing where
the user uploads a csv
i manipulate it
and then the user can download the manipulated csv
any idea on how to do this?
native monolith
How can I make form ( or some text box) bigger? IM working in flask and I want to see more links when I paste them
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<h1>Hello template</h1>
</head>
<body>
<form method="GET">
<input name="text">
<input type="submit">
</form>
</body>
</html>
def here(sometexthere,templatehere):
@app.route(sometexthere)
return render_template(templatehere)
Why does this give me Invalid syntax.
I'm using flask.
native monolith
@app.route(sometexthere) above def
native tide
ok thanks
jade lark
Anyone using FastAPI in production by chance?
mellow tide
@crimson yarrow so are you asking us to write this app for you? do you have code?
crimson yarrow
yeah i have some code ill post it
mellow tide
short answer is yes you can do that
crimson yarrow
i was more asking like a higher level overview of methodology
what i have going on right now it
an ajax for the download button
that sends to the flask back end the uploaded file
and in the back end the processing is done
native tide
yall ever have the query ID and session ID differ ? how strange
mellow tide
wow ... i haven't heard the term "ajax" in a few years lol
crimson yarrow
$('#dld').click(function (e) {
e.preventDefault()
$.ajax({
type: 'POST',
url: '/raw_data_download',
data: new FormData($('#upload-file-form')[0]),
contentType: false,
processData: false,
success: function (data) {
console.log(data)
}
});
});
mostly because almost everyone hate XML
crimson yarrow
@app.route("/raw_data_download", methods=['GET', 'POST'])
def raw_data_download():
all_files = request.files.getlist('csvfile')
raw_df = pd.concat((pd.read_csv(f) for f in all_files))
raw_df = raw_df.drop_duplicates()
return send_file(raw_df.to_csv(),
mimetype='text/csv',
attachment_filename='Adjacency.csv',
as_attachment=True)
oh rly?
i thoguth everyone uses jquery
but yeah i just wanna basically send that raw_data as a csv file to the user
mellow tide
i can't speak for everyone, but in every job i've ever had, all the messaging is in JSON
crimson yarrow
like a download prompt
yeah
if i could maybe turn the csv into a json
and prompt a download
basically i just want them to be able to download that raw_df
mellow tide
so, any time i've ever done that, it required a place to put the processed file (S3 bucket, or static asset place in my local web server) that I then point to ... i've not done a pure stream of a CSV or anything for that matter
native tide
How can I have a variable in a function transfer to another in flask
flint breach
Ajax doesnt really mean xml
acoustic oyster
How can I have a variable in a function transfer to another in flask
you can pass it as an argument, or find a different way to do it haha
native tide
Is there something i can use that can make making a forum website easier?
jade lark
That's Python not that I know of.
If you really wanted to in Python could just use Django and that would be fast af to make it.
else I would use MyBB or something along those lines
native tide
Am using flask and html css for front end.
acoustic oyster
django is kind of made for forum/blog style sites. I feel that your question is a little too vague
To make things easier: use a css framework.
Follow tutorials. Django is set up out of the box to make a forum/blog site
native tide
I already started with flask, am finishing up the home page and i need to know how to make forums.
@acoustic oyster
acoustic oyster
yeah, I understand I do not use flask.
Do you have a more specific question though?
if you just want to create an entire forum, the I recommend following a tutorial
native tide
Is there something that is built upon flask that i can use to make forums easily?
acoustic oyster
Their default tutorial covers a blog site, which is very similar to a forum. I believe you would need to add some custom stuff for replies and what-not, but this is a good start.
creating a post would be the first step.
I would consider adding replies/comments to be the next/more advanced step in working with flask
native tide
Ok thanks.
jade lark
You could look at Corey Schafer as well for Flask tutorials.
Not exactly like a blog. It does have login, logout and posting features for all users though. Series is here: https://www.youtube.com/watch?v=MwZwr5Tvyxo&list=PL-osiE80TeTs4UjLw5MM6OjgkjFeUxCYH
native tide
Ok thanks.
native tide
This is a really dumb question most likely, but i can't figure out how to make my stuff not resize all weird when i change the size of the window in chrome
acoustic oyster
like your html?
You would need to just set the size using css/style
i.e
<img class="my-image" src="this_image.jpg">
and in css
.my_image{
width: 300px;
}
something like this
native tide
@native tide
some Internet explorers allow the use of vw
so for example
if you would like the text to be the same size as you zoom in
you can do font-size: 3vw;
otherwise
just search up, Making my site responsive
normal blade
hey guys, i wanted to deploy my django app using heroku (first time deploying a web app).. i looked at the documentation and watched a couple of videos, but some places say that i need AWS if i want to allow the users for uploading pictures. (it is a blog app).. what do ya'll suggest?
snow dragon
Where will the images be stored and/or hosted?
AFAIK heroku does not offer a block storage solution
normal blade
i honestly dont know a lot, i thought i could do everything with heroku
snow dragon
I'm not an expert on Heroku but I'm pretty sure they don't offer block storage. You'll need somewhere to store your images and host them.
vestal hound
if you want to upload images you probz want something like S3
normal blade
hmm.. so i cam store like blog posts on it?
vestal hound
hmm.. so i cam store like blog posts on it?
@normal blade you can use a database for that
snow dragon
Yes S3 would be AWS's block storage offering.
vestal hound
which Heroku does have
vestal hound
well
snow dragon
vestal hound
Heroku has Postgres too
normal blade
oh greato
snow dragon
IMHO though if you're using AWS for S3, I'd probably architect the whole thing on AWS. Getting Heroku and S3 to authenticate will be no fun and it won't be nearly as performant as if everything is on AWS.
AWS has a managed DB offering too (Aurora)
normal blade
hmm, does AWS have a free tier for students in Canada?
snow dragon
and it is much better at scale than heroku (although that may not be an issue)
AWS has a free tier for students, not sure about international restrictions
vestal hound
yup
it's basically a tradeoff between convenience and performance
like IMO (because that's what I'm doing now)
snow dragon
Yeah but I think hooking heroku into S3 means it's a tradeoff between performance and performance.
normal blade
haha
vestal hound
AWS + Heroku is still more convenient than everything on AWS
snow dragon
Not to mention learning heroku is not very useful in an enterprise while AWS knowledge is very useful.
normal blade
i was following the CoreyMS django tutorial haha, he does S3+heroku as one option
snow dragon
@vestal hound I disagree whole heartedly. AWS architecture can be simple. It is challenging to get to that architecture but there are plenty of resources in this server and elsewhere to help. Heroku+AWS will always be inconvenient.
Then again, I don't see a need for heroku/netlify/etc. for hobbyists unless you actively don't want to learn marketable skills.
vestal hound
AWS + Heroku in the sense of just S3
snow dragon
It starts with S3, there will be something else 🙂
normal blade
wait so, if i just remove the pictures.. i can do everything with heroku?
snow dragon
Yes
normal blade
and then shift to fully aws once i get aws credits from my uni?
snow dragon
You could still have images, just make it so users have to provide you a URL instead of allowing them to upload them.
normal blade
huh, and heroku is free for a while eh?
snow dragon
I know little of heroku but yes I think so.
Again, if you're trying to learn AWS, why not just use AWS?
AWS has a free tier also
normal blade
because, im so sure i will exceed the limits of aws
snow dragon
You will be working on this for over 750 hours in a month?
normal blade
wait i thought that was per year lol
snow dragon
Even if you do, AWS is very cheap. My monthly bill for a number of hobby projects is about $1.50
snow dragon
750 hours per month of Linux, RHEL, or SLES t2.micro or t3.micro instance dependent on region
normal blade
that noice
snow dragon
Just make sure you use the right instance size/type the UI will confirm that it's free
Basically 750 hours means it's free as long as you only have one instance. 30 days * 24 hours = 720 hours
normal blade
uni has a incubator, i have applied.. if i get selected I'll receive a lot of aws credits (hopefully)
vestal hound
@vestal hound I disagree whole heartedly. AWS architecture can be simple. It is challenging to get to that architecture but there are plenty of resources in this server and elsewhere to help. Heroku+AWS will always be inconvenient.
@snow dragon it can be
but I don't really think the startup cost for AWS can be compared to that for Heroku
I just want to deploy stuff
normal blade
dude thats pretty decent, does the aws cost scale exponentially? my uncle pays like 2700$ a month for his company
snow dragon
AWS is a marketable skill, especially creating simple, maintainable architectures.
snow dragon
@normal blade I wouldn't say it scales exponentially. A large part of your cost is how good your architects are...
normal blade
hmm
snow dragon
@vestal hound I just think if someone is a young developer, looking to learn cloud deployment. Saying that heroku is "easier" is misleading. It's potentially not the best use of time.
normal blade
oh well, mine gonna suck for sure lmao
vestal hound
it depends on what you're looking for.
you should tailor your level of abstraction to your needs.
snow dragon
Right,
looking to learn cloud deployment
But AWS has Lightsail, which is a very similar offering
Lightsail + RDS is the same level of abstraction as Heroku
normal blade
aight guys, thanks a lot for the help! I’ll discuss with the “cofounders” about aws vs heroku xd.. appreciate it 🙂
vestal hound
indeed
snow dragon
No problem
vestal hound
everything Heroku has, AWS probably has, more or less
snow dragon
Seems like we could use a Cloud topic
vestal hound
my user experience has been a fair bit better with Heroku than AWS though
and right now it meets my needs
so
snow dragon
@vestal hound Yep. My point exactly. I'm not saying Heroku is worthless or that you should never use it. I actually work on a hobby project that uses it. But none of the devs involved are looking to learn cloud (we all know it) and we know that the scale will remain low. I just think it's the wrong answer for young devs trying to get cloud deployment on their resume.
mellow tide
I certainly +1 on the cloud topic needed. Though I guess devops kind of covers deployments ¯_(ツ)_/¯
ember kayak
None of my style.css files are loading in flask, how do i fix this
mellow tide
Flask doesn't load them, your html tells your browser where to get them from
If I had to guess, your html is grabbing them from the wrong spot or not at all
@ember kayak
zinc hill
what is the best way to create multiple user types in django?
ember kayak
Would you like me to show you?
mellow tide
@ember kayak run the site in flask and check the page source for the <link rel... that points to your css
ember kayak
Then?
mellow tide
Well first of all, make sure it looks right
ember kayak
Ok, want to get in a vc(inwont be able to talk) and show you my screen?
zinc hill
thank you ill look into it
mellow tide
No, sorry. My family is sleeping.
remote echo
ctrl + f5
ember kayak
Me?
remote echo
yup
ember kayak
Nothing happend
mellow tide
So if I had to guess, you aren't including the css as a thing that flask is actually serving (e.g. static assets)
ember kayak
Wdym?
mellow tide
Google flask static assets
ember kayak
mellow tide
You have to serve all of your site (css included) for it to work, so do some googling and when you get stuck, we can help further
ember kayak
Ok
remote echo
@app.route('/cdn/path:filename')
def custom_static(filename):
return send_from_directory(app.config['CUSTOM_STATIC_PATH'], filename)
custom your path
mellow tide
Fwiw, hand feeding people solutions doesn't actually help them when they are learning
remote echo
i see
stone olive
Hello!!! Who have one job?
snow dragon
um, I have a job.
forest notch
lol
native tide
😂 😂
bronze sky
Hi everyone, not sure if I am posting in the correct channel but I'm dealing with an issue with virtual environments in conda (working with Flask right now). When I activate my environment, there is no parenthesis on the left that indicates what environment I'm currently in. Does anyone know how to fix this?
forest star
hlo everyone i am new in this community and i need to design a web so plz tell me the process from beginning
???
native tide
@forest star learn HTML, learn css, learn js (optional)
what does it mean when i run py manage.py runserver
and see this Watching for file changes with StatReloader Performing system checks... the entire time.
short sierra
views.py
def create(request):
if request==Post:
form =NewPost(request.POST or None)
if form.is_valid():
form.save()
return redirect('homepage')
else:
form=NewPost()
return render(request,'blog/create.html',{'form':form}) ```
``` forms.py ```
class NewPost(forms.Form):
title=forms.CharField(label='Your name',max_length=50 )
content=forms.CharField(label='Your name',max_length=300) ```
its not working anyhelp
native tide
With flask is there any way I can render a new template onto the page, without changing the URL?
native tide
@native tide it's the debug function
okey
@native tide depends
So could I have a render_template in an if statement?
bleak bobcat
Sure, why not
signal kraken
!close
native tide
Has anyone used bootstrap with WTF Forms
brave elbow
Can someone help? Im working with python and flask. I want my layout template to have a conditional that depends on the current url/route. for exampe, my layout template has tabs, and I want the tab that is for the current page to be a different color or 'active'. How can i do this?
jade lark
@brave elbow Have a conditional for rendering it. Have a tag for it. for example in a dict use something like "current_page": "home"
and then on the Jinja template have {% if item["current_page"] == 'home' %}active class here{% endif %}
have it inside the class="{jina2stuffhere}"
brave elbow
Thank you very much!
jade lark
You're welcome! Hope that helps
languid thunder
How can I serve a file of the disk using aiohttp.web?
elfin gyro
@plucky holly I'm little confused. Did you call that function, like, anywhere in the code because I just can not see it...
Ok, do you get the program to print "Listening on localhost..."
@plucky holly
I mean, could you try it again and tell me? I mean if it doesn't I think what might be the problem but I am not an expert using web sockets...
Maybe host it on local network?
Just for testing.
keen acorn
Hey I am trying to learn about how to make a flask web application using sessions for login and I am really perplexed about how it is storing its data
For example I am currently using Flask_Discord to authenticate using Discord
When I first ran to program the scopes were configured so it would get my guilds data
Then I changed the scopes to only have my identity
But the Flask app still has my guilds data cached somewhere, and what is driving me nuts is that i have no idea where
This is the code I somewhat modified but started with
This is the code I somewhat modified but started with
So like in this part
If you leave the discord.create_session() empty the scope that Discord will ask automatically includes 'guilds'
After I ran it once and gave it that information I specified that I only wanted 'identity'
It still returns me this though when I access the guids section in the webserver
