Re: HTTPS on development enviroment

2022-01-05 Thread Roger Gammans
when i open localhost it keeps loading without showing the > > results > > You might find mkcert ( https://github.com/FiloSottile/mkcert ), and easier and potentially safer way to create and managetemporary developer certs. obDNA: Certainly better than all that tedious mucking around wit

Re: ComboBox

2022-06-01 Thread Roger Gammans
Hi If any arbitrary text is allowable, then at the model level I'd just use a CharField. I wouldn't add a choices= argument to the field unless is the value is strictly constrained to those choice as other test would then fail validation. At the Form level, I'm not sure. I'd probably work just mi

Re: Problems sending email with django

2022-06-09 Thread Roger Gammans
Hi I've used mailjet in a Django app. Both using the rest API with requests, ( for our transactional mails )and via authenticated SMTP for our error alerts. I don't recall any specific challenges on the Django side , although setting up domain vaith was a bit more involved iirc. Are you havin

Re: Django channels with python background tasks

2018-05-27 Thread Roger Gammans
I think there is a little bit of confusion in this thread,a s we keep talk about django and the deamon process and ignoring the frontend. So to clarify; there we are talking about a system with at least 3 execution environments: 1 The Browser2 Django backend processes3 The backend daemon/cli -proce

Re: Django channels with python background tasks

2018-05-27 Thread Roger Gammans
Can you please guide me to some tutorial > to get this thing started. > > Thanks in advance. > > Regards, > Jaiswal > > On Sunday, May 27, 2018 at 2:34:05 PM UTC+5:30, Roger Gammans wrote: > > I think there is a little bit of confusion in this thread,a s we > >

Re: channnels -- communication with redis

2019-01-15 Thread Roger Gammans
nvironment. -- Roger Gammans Gamma Science On Tue, 2019-01-15 at 18:49 +0200, Yuval Bachrach wrote: > I did not configure anything, which is probably the problem..I am > following the tutorial. I just did what the tutorial instructed to > do: So I have installed docker as instructed but

Re: Re: Composite Primary / Foreign Key support

2019-02-18 Thread Roger Gammans
to need to invest in understanding the ORMs internals. HTH, -- Roger Gammans Gamma Science On Mon, 2019-02-18 at 08:26 +, 'Ellinghaus, Lance J' via Django users wrote: > > ONCONFIDENTIAL // EXTERNAL > So, basically, Django will not be supporting Composite Pri

Re: TypeError unsupported operand type(s) for *: 'NoneType' and 'int'

2019-04-07 Thread Roger Gammans
itialised your instance from the database (or set a won value when creating the object). If you expected to have a default value you need to set one where you set up self.won see : https://docs.djangoproject.com/en/2.2/ref/models/fields/#default HTH, -- Roger Gammans -- You received this me

Re: Server Error (500)

2019-04-08 Thread Roger Gammans
Did you run 'python manage.py migrate' ? Did it come back with any errors? I ask because specifying price field for values up to 10^9998 strikes me as extreme an likely to causes problems; perhaps you meant max_digits=7 not 1 . On Mon, 2019-04-08 at 04:26 -0700, fazal rehman wrote: > Hell

Re: Django channels on IIS

2019-05-24 Thread Roger Gammans
On Thu, 2019-05-23 at 22:17 -0700, Daniel Butler wrote: > It looks like I found my key I had to install the application module > CGI then use this library to get everything to work! > https://pypi.org/project/wfastcgi/ Does that support websockets? IIS itself seems to ( https://docs.microsoft.c

Re: Django to exe ... windows executable

2019-07-03 Thread Roger Gammans
d. There is also briefcase: https://beeware.org/project/projects/tools/briefcase/ I've not used it ; so this isn't a recommendation; just a head up that it exists; but does it seems to have explicit django support, if that's important -- Roger Gammans Gamma Science Ltd. (GB Nr.

Channels - Forward messages from a third party async source.

2017-09-01 Thread Roger Gammans
ody got any thoughts? -- Roger Gammans -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this gro

Re: Channels - Forward messages from a third party async source.

2017-09-04 Thread Roger Gammans
es > like this, but that's not something that's ready in the short term. > > Andrew > On Fri, Sep 1, 2017 at 3:56 AM, Roger Gammans co.uk> wrote: > > Hi all, > > > > > > > > I'm trying to build a system with a Django frontend which

Re: Django Websockets / Several Users on the Website

2017-10-13 Thread Roger Gammans
One architecture you could consider, is to put all the sensor values into redis or similar. Have a worker to out the values into redis from the automation source. Then use each websocket recieve event to add the reply channel to the group which gets the appropriate sensor value. You will probably

Re: Django and Angular2/4 example project

2017-10-16 Thread Roger Gammans
Hi, I'd certainly be interested in helping with such a project; as I current have two angular.io/Django projects here. We've been concentrated more on the such thinks and enhance runserve; to also spawn 'ng build' in another process so the developer experience was smooth. ng.io components for dj

Re: [django-channels] How to close websocket connection from server?

2020-04-06 Thread Roger Gammans
Don't you just have to send a message to an appropriate group which contains just that users/sessions connections/consumers and in the message handler on the consumer call 'self.close()' and remove the consumer from any subscriptions. If I understand the docs, in the disconnect method is still ca

Re: [django-channels] How to close websocket connection from server?

2020-04-06 Thread Roger Gammans
oup"? > > I thought there's a way to decode JWT, get user ID from it and then > somehow: > > channels = get_channel_layer(): > for ws in channels.get_connections_for_user(user_id): > ws.close() > > but i couldn't find a way > On Monday, 6 April 2020

Re: [django-channels] How to close websocket connection from server?

2020-04-06 Thread Roger Gammans
or any random view which knows nothing > about clients-communicatiors. only about a user, whose connections > must be closed. > > maybe, you're right, and i'm thinking about it the wrong way > > On Monday, 6 April 2020 15:28:44 UTC+4, Roger Gammans wrote: > > I thin

Re: font awesome loading problem

2020-04-09 Thread Roger Gammans
Hi, that looks like it's your s3 bucket setup. s3 is not supporting the CORS (cross-origin -request-security) check requests the browser is making. I googled "s3 bucket cors" and found this which looks like in contains the answers you are looking for. https://docs.aws.amazon.com/AmazonS3/latest/de

Re: Using external libraries for analytics

2020-04-13 Thread Roger Gammans
there are quite a few js visualisation tools (often based on d3), restricting myself to just the open source ones, I can find/know about nvd3js, dygraphs, chart.js, n3-charts, c3 and more. There are many alternatives and it can definitely be done a) open source, and b) without uploading the data to

Re: Confused...Django vs Django CMS/Wagtail and value of 'CMS' vs plain Django framework?

2020-06-08 Thread Roger Gammans
Hi Move Wagtail and and Django-CMS are applications you install in your INSTALLED_APPS setting settings.py to add CMS functionality to a Django project, so you can use these applications as you only app in django projects, or alongside your own custom apps, or other downloaded apps. Django cms

Re: DB Router default issue

2020-07-14 Thread Roger Gammans
In allow_migrate () where you have 'return False', I've ended up (in my otherwise very similar router) with: return db != 'mydb' You certainly don't want return False as that will disable all migrations outside of your app_label, you want to return True,only in the cases when the db is not

Invalid SQL : - Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread Roger Gammans
or view column in any nonaggregate expression in the list must be included in the GROUP BY list" (quote from MS TSQL docs which was just the first hit my google search found) . And the name and create_at columns are missing in the GROUP BY clause in the quoted SQL statement. It seems unl

Re: Invalid SQL : - Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread Roger Gammans
but the issue is with > the performance the django query set or the query which i am making. > > > Thanks & Regards,karthik > > On Sunday, July 19, 2020 at 7:01:28 AM UTC-4, Roger Gammans wrote: > > Hi > > > > Just a side issue I spotted here,

Re: Django key/value JSON widget

2020-08-19 Thread Roger Gammans
Hi Thanks that looks useful. On my rather long TODO list is to turn use this ( https://github.com/josdejong/jsoneditor) npm package to build a less restrictive json widget... On Mon, 2020-08-17 at 14:42 -0700, Federico Capoano wrote: > Since I wasn't able to find a package which had this kind of wi

Re: Help

2018-07-08 Thread Roger Gammans
Umar, IIRC - (and it's been a while since I used windows) - Windows maintains a global flag for internet connectivity.  Unfortunately if windows  decides it's not connected , bad many apps such as Internet Explorer, Edge etc, refuse to attempt to make any TCP connections even if they are to localho

Re: Django on IIS

2018-12-18 Thread Roger Gammans
YVWO5bFTx > > %3D6im_dLWwPWz1FoDcFVDN9GXREj%3Dp49f2FcA%40mail.gmail.com?utm_mediu > > m=email&utm_source=footer>. > > > > > For more options, visit https://groups.google.com/d/optout. > > > > > > Hi, I was looking at this back in November.

Re: Django on IIS

2018-12-18 Thread Roger Gammans
the FastCGI Settings. > > Anyone know what I may be doing wrong or how to proceed? > > > On Tue, Dec 18, 2018 at 4:35 AM Roger Gammans > wrote: > > Hi, > > I was looking at this back in November., although I'm not a > > Powershell or Windows expert I start t

Re: Django on IIS

2018-12-18 Thread Roger Gammans
On 18 December 2018 17:28:41 GMT, Larry Martell wrote: >Get-WindowsFeature shows that web-cgi is installed but not iis-cgi. >Are these the same? > Maybe. I think they Microsoft renamed on to the other. My script was for the most recent iteration of windows server. -- Sent from my Android devic

Re: Django on IIS

2018-12-18 Thread Roger Gammans
SETTINGS_MODULE ). HTH, -- Roger On Tue, 2018-12-18 at 12:07 -0500, Larry Martell wrote: > Thanks. I ran that command, and I checked the settings and CGi is > installed and enabled. I have the CGI icon in the IIS config page, > but > I do not have the FAST-CGI which is what all the doc

Re: Having problem with a api data

2020-10-10 Thread Roger Gammans
This is really a JavaScript question not a Django one. But since I can see the problem... , The issue is 'dissmal-info' isn't a valid Js identifier, the browser is trying to subtract the nonexistent 'info' variable from the 'dismissal' value. You should be able to use ['dismissal-info'] instea

Re: Python libraries for visualisations

2021-03-15 Thread Roger Gammans
Plotly comes to mind. there are quite a few charting libraries in this python/web space. Google is as always your friend. But at the end of the day the best UX is always going to come from a library with a significant JS component. If you don't want to worry to much about JS plotly's py component

Re: Unique and null

2021-04-07 Thread Roger Gammans
Hi All, Let shed some actually light on the whole problem, before people start piling in. This is mostly (form the Django perspective) and issue with CharFields, because a CharField can store None or ''. For values of '' in CharField, IIRC, django will convert them to null, with null=True, blank=

Re: Unique and null

2021-04-07 Thread Roger Gammans
I should have said SQL specifies NULL compares Non-equal, the ORM converts None's in python to NULL in SQL for you, as well as all the other things it does On Wed, 2021-04-07 at 15:25 +0100, Roger Gammans wrote: > Hi All, > Let shed some actually light on the whole problem, before peo

Re: Unique and null

2021-04-08 Thread Roger Gammans
On Thu, 2021-04-08 at 16:36 -0500, Ryan Nowakowski wrote: > On Wed, Apr 07, 2021 at 03:25:53PM +0100, Roger Gammans wrote: > > This is mostly (form the Django perspective) and issue with > > CharFields, > > because a CharField can store None or ''. For values of &#x

Re: Aide pour erreur

2021-06-10 Thread Roger Gammans
Hi My french isn't great, and this list mostly uses English, so you'll probably get a better response if you can post in English even if you resort to google translate (like I have below ) but I think the intent of your email was clear. Your error was "view stocksystema.views.home didn't return an

Mocking models or at least creating Fakes.

2019-07-24 Thread Roger Gammans
27; I'm sure someone here must have had to write unit test which deal with foreign jets before what approach did you end up taking? -- Roger Gammans Gamma Science -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe f

Re: Mocking models or at least creating Fakes.

2019-07-24 Thread Roger Gammans
turn fake thingy_getter = property(getter) out = m.Foo( title ="") with unittest.mock.patch.object(out.__class__,'thing',thingy_getter): self.assertEqual(out.title,"") I'm still interested in other possible solutions out there . --

Re: django+rasperrypi_sensor

2019-10-15 Thread Roger Gammans
Can you define what you mean by real-time? There are many way to achieve this depending on your other needs, for instance if you need the server (the raspberrypi) to push the data, it's suddenly not really a beginners task as you have to think about whether to use websockets , or long polling. (or

Re: Django issues on upgradation

2019-10-27 Thread Roger Gammans
Hi , Looking at the second problem only ( https://stackoverflow.com/questions/58568561/nonetype-object-has-no-attribute-render-context ) I can't see any thing obviously wrong with the call you show. django.template.backends.Template.render() ; which you can see called in your backtrace on SO, s

Re: Tracking IP

2020-01-21 Thread Roger Gammans
Hi The precise details of this depend on your hosting environment, but the canonical method is request.get_host() ; see https://docs.djangoproject.com/en/3.0/ref/request-response/#django.http.HttpRequest.get_host If your hosting environment is non-standard; you might need some custom middlewar

Re: iterate through list

2020-02-14 Thread Roger Gammans
Use: for data in Journal.objects.all(): On Fri, 2020-02-14 at 14:13 +0100, Kai Kobschätzki wrote: > Hi: > > I want to do something with the content of a table. Problem is, that > the > IDs are not continuous. I tried: > > import .models from Journal > > last = Journal.obejects.l

Re: iterate through list

2020-02-14 Thread Roger Gammans
No problem, It 's all explained here : https://docs.djangoproject.com/en/3.0/ref/models/querysets/ On Fri, 2020-02-14 at 14:27 +0100, Kai Kobschätzki wrote: > Hi Roger: > > Thanks a lot! Such as easy :) > > Greetings > > bengoshi > > > On 2/14/20 2: