Re: Is it Possible to run django locally without internet connection

[Shashank Singh]

Run server with command ./manage.py runserver 0:8000. 0 here tells that any
one on the same network can access the project's urls like this. Suppose
your laptop's ip is 10.0.0.156 so from your phone go to
10.0.0.156:8000/admin and you are connected to your django projects. You
must be on the same network/lan. It may or may not have a working internet
connection.

On Tue, May 7, 2019, 9:18 PM Rob Gmail  wrote:

> Yes you can.  I do it for an IOT device that we have using Django/python,
> many times it does not have an Internet connection but runs fine.
>
> Rob
> 203-671-6514
> Sent from my mobile device, please excuse the typos.
>
> On May 7, 2019, at 11:38 AM, Idris Adegbite 
> wrote:
>
> Good day guys, Please can i run django on laptop without internet
> connection.
>  if yes, Please kindly help me out with the procedures.
>
> I am having issues connecting my  phone and laptop and i dont want that to
> slow down my learning.
> Any help would be appreciated
>
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Re: Unit conversions between model field value and form field value

[Shashank Singh]

One way could be make a custom read only field to show it in current value
in days and take a custom field and on save_model take its value as days
multiply it with 24 and save it in model's field.

On Wed, May 8, 2019, 7:05 AM Joe Reitman  wrote:

> Hi Tim,
>
> There is a 'Best Practices' guide for Django that recommends making models
> fat,
> https://django-best-practices.readthedocs.io/en/latest/applications.html#models.
> With that it would be logical to do both conversions in the model.
>
> Regards,
> Joe
>
> On Tuesday, May 7, 2019 at 5:24:09 PM UTC-5, Tim Bell wrote:
>>
>> Hi,
>>
>> I have a model with an integer field storing a duration in hours, while I
>> want to present that to users in a form in days. (The choice of these
>> different units is imposed by other factors not under my control.)
>>
>> So, when saving a form, I need to convert a value in days to hours by
>> multiplying by 24. I've done that with a clean_() method on
>> the form, as described at
>> https://docs.djangoproject.com/en/2.2/ref/forms/validation/. That works
>> fine for when saving a new model.
>>
>> When editing an existing model however, I need to take the value from the
>> model stored in hours, and convert that to days for display in the edit
>> form. I've considered various places where I could do that conversion, for
>> instance in the edit view, or the form __init__() method, or the model
>> field's value_from_object() method, but none of those choices seem like
>> the obvious choice, and I can't find a recommendation for how to do this
>> either.
>>
>> What would you suggest? And is the recommended approach actually
>> documented somewhere that I've missed?
>>
>> Thanks,
>>
>> Tim
>>
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Re: How to run ORM commands in Javascript DOM?

[Shashank Singh]

Get the data in the current screen before opening the popup or hit a ajax
request to the server to get the said data.

On Tue, 9 Apr, 2019, 8:32 PM sairanganadh Narayana, 
wrote:

> I am trying to run model.objects.filter(id=2) through javascript and show
> results in popup. I am unable to find the solution. Please guide me with
> solution or any alternative to get this.
>
> Thanks in advance.
>
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Re: filter two columns django

[Shashank Singh]

OR
from django.db.models import Q
news_list =
LeagueNews.objects.filter(Q(publication_date__lte=timezone.now)|Q(league_name='english')).order_by('-publication_date')[:10]

AND
news_list = LeagueNews.objects.filter(publication_date__lte=timezone.now,
league_name='english').order_by('-publication_date')[:10]

On Sun, 17 Mar, 2019, 7:25 PM omar ahmed,  wrote:

> hi guys
> this is my view
> def premierleague(request):
> news_list =
> LeagueNews.objects.filter((publication_date__lte=timezone.now)|(league_name='english')).order_by('-publication_date')[:10]
> return render(request, 'core/premierleague.html', {'news_list':news_list})
> i want to filter my objects by two columns
> publication_date and league_name
> but it doesn't work
>
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Redirect to another page

[Shashank Singh]

I have a model, say ModelA, and on the admin add page of this model i have
recieved some parameter based on which i sonetimes want to let the user add
a object of the model and sometime wants to redirect to another page.
How do I do that?

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Re: the name of Django package

[Shashank Singh]

Wagtail

On Mon, 25 Feb, 2019, 8:44 PM Suresh Kannan,  wrote:

> Hello everyone,
>
> I am relatively new to Django. I am looking for a package where a client
> can edit the front end of the Django app.
> Say for example the client wants to change the typo/contact details in the
> web app in the GUI version (preferably they can edit the webpage and
> preview directly).
> I understand they will be doing this in the testing server rather than the
> production server.
> I have searched in google but, it seems to me I am not using the right
> keyword.
> Django admin provides for editing only the database (am I wrong?).
>
> Thank you for your time!
>
> Suresh
>
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Re: Accessing child relations when overriding save()

[Shashank Singh]

And how?

On Sun, 10 Feb, 2019, 9:23 PM Shashank Singh  When do you create child objects??
>
> On Sun, 10 Feb, 2019, 9:17 PM Nick Emery 
>> Tried this too but save() never actually gets called on the child (it
>> seems that the foreign key field of the child is updated at the database
>> level and never goes through the Django orm Child).
>>
>> On Sunday, February 10, 2019 at 8:37:54 AM UTC-5, Shashank Singh wrote:
>>>
>>> Override the save() of the child?
>>>
>>> On Sun, 10 Feb, 2019, 7:04 PM Nick Emery >>
>>>> I am trying to wrap up my first app using Django (specifically Django
>>>> Rest Framework which may change the save behavior), but have run into
>>>> an issue that I haven't been able to solve for about 10 hours now.
>>>>
>>>> I am trying to override the save() method of a model to modify a field
>>>> on a bunch of child objects when it is created; however, I can't figure out
>>>> *any* way get the objects or ids for the children.
>>>>
>>>> My code looks something like:
>>>> class Parent(models.Model):
>>>>"""When I create this, I want the children to be modified."""
>>>>def save(self, *args, **kwargs):
>>>>if not self.pk:
>>>>self._begin(*args, **kwargs)
>>>>else:
>>>>super(Parent, self).save(*args, **kwargs)
>>>>
>>>> def _begin(self, *args, **kwargs):
>>>>super(Parent, self).save(*args, **kwargs)
>>>>print(self.child_set.all())  # --> This gives: ""
>>>>for i in self.child_set.all():
>>>>i.last_name = self.last_name
>>>>i.save()
>>>>
>>>> last_name = models.CharField(max_length=100)
>>>>
>>>>
>>>> class Child:
>>>>parent = models.ForeignKey(
>>>>'Parent',
>>>>on_delete=models.SET_NULL,
>>>>null=True,
>>>> )
>>>>last_name = models.CharField(max_length=100)
>>>>
>>>> ANY way to modify the children when the parent is saved would be a life
>>>> saver (even if hacky or sub-optimal).
>>>>
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Re: Accessing child relations when overriding save()

[Shashank Singh]

When do you create child objects??

On Sun, 10 Feb, 2019, 9:17 PM Nick Emery  Tried this too but save() never actually gets called on the child (it
> seems that the foreign key field of the child is updated at the database
> level and never goes through the Django orm Child).
>
> On Sunday, February 10, 2019 at 8:37:54 AM UTC-5, Shashank Singh wrote:
>>
>> Override the save() of the child?
>>
>> On Sun, 10 Feb, 2019, 7:04 PM Nick Emery >
>>> I am trying to wrap up my first app using Django (specifically Django
>>> Rest Framework which may change the save behavior), but have run into
>>> an issue that I haven't been able to solve for about 10 hours now.
>>>
>>> I am trying to override the save() method of a model to modify a field
>>> on a bunch of child objects when it is created; however, I can't figure out
>>> *any* way get the objects or ids for the children.
>>>
>>> My code looks something like:
>>> class Parent(models.Model):
>>>"""When I create this, I want the children to be modified."""
>>>def save(self, *args, **kwargs):
>>>if not self.pk:
>>>self._begin(*args, **kwargs)
>>>else:
>>>super(Parent, self).save(*args, **kwargs)
>>>
>>> def _begin(self, *args, **kwargs):
>>>super(Parent, self).save(*args, **kwargs)
>>>print(self.child_set.all())  # --> This gives: ""
>>>for i in self.child_set.all():
>>>i.last_name = self.last_name
>>>i.save()
>>>
>>> last_name = models.CharField(max_length=100)
>>>
>>>
>>> class Child:
>>>parent = models.ForeignKey(
>>>'Parent',
>>>on_delete=models.SET_NULL,
>>>null=True,
>>> )
>>>last_name = models.CharField(max_length=100)
>>>
>>> ANY way to modify the children when the parent is saved would be a life
>>> saver (even if hacky or sub-optimal).
>>>
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Re: Accessing child relations when overriding save()

[Shashank Singh]

Override the save() of the child?

On Sun, 10 Feb, 2019, 7:04 PM Nick Emery  I am trying to wrap up my first app using Django (specifically Django
> Rest Framework which may change the save behavior), but have run into an
> issue that I haven't been able to solve for about 10 hours now.
>
> I am trying to override the save() method of a model to modify a field on
> a bunch of child objects when it is created; however, I can't figure out
> *any* way get the objects or ids for the children.
>
> My code looks something like:
> class Parent(models.Model):
>"""When I create this, I want the children to be modified."""
>def save(self, *args, **kwargs):
>if not self.pk:
>self._begin(*args, **kwargs)
>else:
>super(Parent, self).save(*args, **kwargs)
>
> def _begin(self, *args, **kwargs):
>super(Parent, self).save(*args, **kwargs)
>print(self.child_set.all())  # --> This gives: ""
>for i in self.child_set.all():
>i.last_name = self.last_name
>i.save()
>
> last_name = models.CharField(max_length=100)
>
>
> class Child:
>parent = models.ForeignKey(
>'Parent',
>on_delete=models.SET_NULL,
>null=True,
> )
>last_name = models.CharField(max_length=100)
>
> ANY way to modify the children when the parent is saved would be a life
> saver (even if hacky or sub-optimal).
>
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Re: filtering and searching help - regarding

[Shashank Singh]

Can you give an example.

On Sun, 3 Feb, 2019, 7:49 PM Mohan Goud  here the problem is, i can't give sectionname, dept and year directly. It
> has to do it for all sections in the database. can u help me how to do this.
>
>
>
> On Sun, Feb 3, 2019 at 7:41 PM Shashank Singh <
> shashank.singh10...@gmail.com> wrote:
>
>> Student.objects.filter(section__iexact="a",
>> department=1,year=2019).order_by("name")
>>
>> On Sun, 3 Feb, 2019, 7:32 PM Mohan Goud >
>>> django
>>>
>>>
>>>
>>> On Sun, Feb 3, 2019 at 7:30 PM Birol Demirtaş 
>>> wrote:
>>>
>>>> Django ? Or ?
>>>>
>>>> 3 Şub 2019 Paz, saat 16:59 tarihinde Mohan Goud <
>>>> kathi.mohang...@gmail.com> şunu yazdı:
>>>>
>>>>>
>>>>>
>>>>> students list is in database. I have to search based on section,
>>>>> department and year and sort them in ascending order. can any one help me
>>>>> on this through any video links or any other.
>>>>>
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&

Re: filtering and searching help - regarding

[Shashank Singh]

Student.objects.filter(section__iexact="a",
department=1,year=2019).order_by("name")

On Sun, 3 Feb, 2019, 7:32 PM Mohan Goud  django
>
>
>
> On Sun, Feb 3, 2019 at 7:30 PM Birol Demirtaş 
> wrote:
>
>> Django ? Or ?
>>
>> 3 Şub 2019 Paz, saat 16:59 tarihinde Mohan Goud <
>> kathi.mohang...@gmail.com> şunu yazdı:
>>
>>>
>>>
>>> students list is in database. I have to search based on section,
>>> department and year and sort them in ascending order. can any one help me
>>> on this through any video links or any other.
>>>
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Re: problem with a form

[Shashank Singh]

post is a queryset and it doesn't have comment_text attribute.
{% for single_post in post %}
{{single_post.comment_text}}

On Tue, 22 Jan, 2019, 7:54 PM  in your html use
> {{post}} instead of the .comment added
>
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Re: Add fields Django admin

[Shashank Singh]

Take those fields out as a foreign key and use that foreign key as inline
in this admin.

On Wed, 23 Jan, 2019, 4:14 AM Alexandr Bulgakov  Hello All!
>
> I need help(
>
>
> There is a class, it has 2 fields. I need to add an add button to display
> these fields again when required.
> models.py:
>
> class IPhone(models.Model):
>> iPhone_name = models.CharField(max_length=50)
>> iPhone_image = models.ImageField(upload_to='models', blank=True)
>>
>> price_name = models.CharField(max_length=150, default=' ')
>> price_cell = models.IntegerField(default=0)
>>
>> def __str__(self):
>>
>> return '{}'.format(self.iPhone_name)
>>
>>
> [image: django_add.png]
>
>
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Re: best way to generate PDFs in django - handling concurrency

[Shashank Singh]

Celery + django + rabbitmq + template+ django-hardcopy

https://github.com/loftylabs/django-hardcopy


On Sat, 29 Dec, 2018, 9:17 AM Danny Blaker  Great. Thanks
>
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Re: Looking for a Django Co-Founder.

[Shashank Singh]

I am also interested. Is there is anything I can do now?

On Mon, 19 Nov, 2018, 7:04 PM Idowu Tunde  Helo you can do public found raising
> In term of ICO which help to get more fund from the puplic
>
> On Sunday, November 18, 2018, Zack Amaral  wrote:
>
>> What time are you available today?
>>
>> On Sun, Nov 18, 2018 at 12:03 PM Erol DEMİRHAN 
>> wrote:
>>
>>> Hi Zack,
>>>
>>> I'm interested in setting up a video conference whenever you and other
>>> people are available. We'd better set an hour for the meeting.
>>> By the way can we use Slack app for the communication? If everybody okay
>>> with that?
>>>
>>> Sincerely
>>>
>>> Erol DEMİRHAN
>>>
>>> On Sun, 18 Nov 2018 at 06:17, Zack Amaral 
>>> wrote:
>>>
 Let me know if you guys are interested in setting up a video
 conference. I'd love to tell you more about it. I can show you the UI/UX
 I've been working on.

 Thank you for your consideration,

 Zack Amaral

 On Sat, Nov 17, 2018 at 8:10 PM Zack Amaral 
 wrote:

> Erol,
>
> Here's a link to the plan:
> https://app.liveplan.com/accept-invitation?ic=107ef0ab-8bc5-4b9d-aeea-bf72324a0261
>
> Cheers,
>
> Zack Amaral
>
> On Sat, Nov 17, 2018 at 8:04 PM Erol DEMİRHAN 
> wrote:
>
>> Hi Zack,
>>
>> My name is Erol DEMIRHAN,
>>
>> I received your email. It sounds interesting. I'm waiting for
>> your reply about the details of the project.
>>
>> Sincerely
>>
>> On Sun, 18 Nov 2018 at 05:32, Lucas G. Navarro <
>> lucasgnava...@gmail.com> wrote:
>>
>>> Hi! How are you? Can you tell us more about this?
>>>
>>> Regards!
>>>
>>> El sáb., 17 nov. 2018 7:29 PM, Zack Amaral 
>>> escribió:
>>>
 Hi,

 I have an idea for a next generation PaaS. I was wondering if there
 are any Django developers that would be interested in being a 
 co-founder
 with my company. I'm an AWS Architect but sadly a really bad 
 developer. If
 there's anybody on this forum that would be interested please let me 
 know
 and we can setup a time to talk about the details of the project.

 Thanks,

 Zack

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Re: Upload Image Field? ASAP PLS

[Shashank Singh]

Why not doing it? Where are you stuck?

On Sun, 18 Nov, 2018, 8:02 AM Richard Vo  Need to upload an image, manipulate the image through Python Pillow, then
> display it.
>
> Whatever additional information I need to provide, please let me know.
>
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Re: How to move readonly_fields on top of page?

[Shashank Singh]

fields = ['a', 'b', 'c']
readonly_fields = ['a', 'b']
A and b will appear before c.

On Mon, 5 Nov, 2018, 8:03 PM Karol Ołtarzewski <2004ka...@gmail.com wrote:

> I want to place normal fields below readonly_fields
>
>
> On Mon, 5 Nov 2018 at 07:08, Joel  wrote:
>
>> Explain. What do you mean move on top of page?
>>
>> On Mon, 5 Nov, 2018, 2:46 AM Karol Ołtarzewski <2004ka...@gmail.com
>> wrote:
>>
>>> Good morning guys.
>>>
>>> I have a problem namely:
>>> I have to place readonly_fields on top of
>>> /admin///change page, higher than normal fields.
>>> I was looking through docs and I can't find proper function to achieve
>>> that.
>>>
>>> What I have to do to reach my goal?
>>>
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Re: How to move readonly_fields on top of page?

[Shashank Singh]

Override fields and add readonly_fields first.

On Mon, 5 Nov, 2018, 11:38 AM Joel  Explain. What do you mean move on top of page?
>
> On Mon, 5 Nov, 2018, 2:46 AM Karol Ołtarzewski <2004ka...@gmail.com wrote:
>
>> Good morning guys.
>>
>> I have a problem namely:
>> I have to place readonly_fields on top of
>> /admin///change page, higher than normal fields.
>> I was looking through docs and I can't find proper function to achieve
>> that.
>>
>> What I have to do to reach my goal?
>>
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