Re: why is a text not displayed?

[pradam programmer]

Change to this:

path('^$', views.index, name='index'),


On Thu, Dec 21, 2017 at 5:21 PM,  wrote:

> I made this along a tutorial.
> However
>
> "Hello, world. You're at the blog index."
>
> is not displayed.
>
> """blog/views.py"""
> from django.http import HttpResponse
>
>
> def index(request):
> return HttpResponse("Hello, world. You're at the blog index.")
>
> """blog/urls"""
> from django.urls import include, path
> from django.contrib import admin
> from . import views
>
> urlpatterns = [
> path('', views.index, name='index'),
> path('blog/', include('blog.urls')),
> path('admin/', admin.site.urls),
> ]
>
>
>
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Re: No Reverse Match Exception

[pradam programmer]

>From this:
Update
Change to this:
Update

On 17-Dec-2017 2:00 PM, "yingi keme"  wrote:

> The problem is that, it works perfectly when i put the number on the
> template like this
>
> Update
>
> But when i do
>
> Update
>
> It gives the No Reverse Error. I dont seem to understand why
>
> Yingi Kem
>
> On 16 Dec 2017, at 11:18 AM, Любопытный Енот  wrote:
>
> try fix your pattern to
>
> r'^/Core/UpdateMe/(?P\\d+)/$'
>
>
> суббота, 16 декабря 2017 г., 12:22:49 UTC+3 пользователь yingi keme
> написал:
>>
>> I am using the django generic UpdateView
>>
>> class UserUpdate(UpdateView):
>> model = User
>> fields = ['first_name', 'last_name', 'email', 'username']
>> template_name = 'Core\MyUpdate.htm'
>>
>> And my url pattern is this:
>>
>> url(r'^UpdateMe/(?P\d+)/$', UserUpdate.as_view(), name='Update')
>>
>> However, this url  Core/UpdateMe/34/ doesnt seem to match and it gives
>> this error
>>
>> NoReverseMatch at /Core/UpdateMe/34/
>>
>> Reverse for 'Update' with arguments '('',)' not found. 1 pattern(s) tried: 
>> ['Core/UpdateMe/(?P\\d+)/$']
>>
>>
>>
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Re: typeerror : context must be a dict rather than Context.

[pradam programmer]

c = template.Context({'now': now})
html = t.render(c) # Just pass {'now': now} instead of c

On Tue, Dec 12, 2017 at 5:08 PM, Al Scham  wrote:

> Hi,
>
> I'm am new to django and am workng through the OverIQ tutoiral at :
> https://overiq.com/django/1.10/loading-templates-in-django
>
> I have followed the instructions to the letter but am getting the
> typeerror every time (see subject).
>
> Heres is my views.py
>
> from django.shortcuts import render
> from django.http import HttpResponse
> from django import template
> import datetime
>
> def index(request):
> return HttpResponse("Hello Django")
>
> def today_is(request):
> now = datetime.datetime.now()
> t = template.loader.get_template('blog/datetime.html')
> c = template.Context({'now': now})
> html = t.render(c)
> return HttpResponse(html)
>
> *and here is my template:*
>
>
> 
> 
> 
> 
> Current Time
> 
> 
>
> {#This is a comment #}
> {check the existence of now variable in the template using if tag #}
> {% if now %}
> Current date and time is {{ now }}
> {% else %}
> now variable is not available
> {% endif %}
>
> 
> 
>
> *Any help would be aprreciated.*
>
> *Thanks*
>
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Re: Converting any Graphical Chart(pie-chart, gantt chart) into image dynamically.

[pradam programmer]

Thanks alot Derek..I will try this package.

On 27-Nov-2017 7:45 PM, "Derek"  wrote:

> Try reportlab:
>
> https://docs.djangoproject.com/en/1.11/howto/outputting-pdf/
> #write-your-view
> https://www.blog.pythonlibrary.org/2016/02/18/reportlab-how-
> to-add-charts-graphs/
> https://www.reportlab.com/chartgallery/bar/
>
> The actual data generation will of course be specific to your database and
> models.
>
> On Monday, 27 November 2017 13:49:10 UTC+2, pradam.programming wrote:
>>
>> Hi Guys,
>>
>> I want to convert an graphical chart,for an Ex: pie-chart,gantt chart
>> into an image in a real time and display it in a PDF Document dynamically.
>>
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Converting any Graphical Chart(pie-chart, gantt chart) into image dynamically.

[pradam programmer]

Hi Guys,

I want to convert an graphical chart,for an Ex: pie-chart,gantt chart into
an image in a real time and display it in a PDF Document dynamically.

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Re: How to get JOSN Field key value using values()

[pradam programmer]

Hi Mallik,
Write a Custom Method to do it.

On Thu, Jun 8, 2017 at 3:21 PM, Mallik Sai  wrote:

> I have a JSON Field in my model and I want to get a particular Key value
> which is present in the JSON Field using values().
>
> lets assume my JOSN Field data is like { 'key1':value1 , 'key2':value2
> ,'key3':value3 }
>
> I want to give the query like MyModel.objects.values('field1' , 'field2'
> , 'key2(which is present in Json Field)')
>
> Please help me whether I can get in using values() or How can I override
> the values() functionality
>
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Deactivate the Child Objects when parent is deactivate.

[pradam programmer]

from django.db.models import QuerySet
import attr
from attr.validators import instance_of

@attr.s
class ChildDeactivate(object):
loca = attr.ib(validator=instance_of(QuerySet))

def deactivate_child(self,l):
get_parent = Boundary.objects.filter(parent__id=l.id)
if get_parent:
deact_child = map(lambda x: x.switch(),get_parent)
else:
l.switch()
return l.name, l.get_active_display(), l.boundary_level

def list_all(self):
for i in self.loca:
name_bound, status, level = self.deactivate_child(i)
print '{} is change to {} status of level
{}'.format(name_bound, status, level)

l = Boundary.objects.filter(parent__id=2)
*s = ChildDeactivate(l)*
*s.list_all()*

In my location models i have 9 levels, i wrote this snippet to deactivate
children objects when parent is deactivated, so anything to do to make it
more generic all the over models..?

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Re: it says there is no module django when im trying to configure urls. please help

[pradam programmer]

Hi Anusha,
Make sure django is package is installed.

On Fri, Apr 21, 2017 at 3:15 AM, sri anusha  wrote:

> C:\Users\srian\AppData\Local\Programs\Python\Python36\python.exe
> C:/Users/srian/internship/polls/urls.py
> Traceback (most recent call last):
>   File "C:/Users/srian/internship/polls/urls.py", line 1, in 
> from django.conf.urls import url
> ModuleNotFoundError: No module named 'django'
>
> Process finished with exit code 1
>
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Re: Django allauth, manage redirect

[pradam programmer]

Hi,
add this line in settings.py:
LOGIN_REDIRECT_URL = "/my-tasks/"

On Tue, Feb 7, 2017 at 2:09 PM, Branko Zivanovic <
international11...@gmail.com> wrote:

> I'm using django-allauth for authentication. I've enabled Facebook and
> Google for social logins. How do I make redirect after first login? I want
> to make people edit their profiles instantly after their first login.
>
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Re: New to the community

[pradam programmer]

hi,

you can try this video tutorials its easily understandable

https://www.youtube.com/playlist?list=PLEsfXFp6DpzQFqfCur9CJ4QnKQTVXUsRy

On Tue, Feb 7, 2017 at 12:31 PM, Antonis Christofides <
anto...@djangodeployment.com> wrote:

> Hello,
>
> except for Django's official tutorial, which is quite good, many people
> seem to like the Django Girls tutorial.
>
> Regards,
>
> Antonis
>
> Antonis Christofideshttp://djangodeployment.com
>
>
> On 02/06/2017 09:46 PM, Mavlonbek Muratov wrote:
>
> Hi there. I am happy to be part of this community. I am a beginner django
> user so would love to hear from you about recommendations. Anythig is fine,
> books, videos, blogs, forums whatever you think can be helpful to learn
> django. I would really appreciate your help. Thanks.
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Re: Aggregation and following relationships backwards multiple levels

[pradam programmer]

Hi Patrick,
you can do like this:
def total(self):
return ContractItem.objects.filter(contract__subbudget__budge__in=
self.budget_set.all()).aggregate(Sum('total'))['total__sum']

try like this..!

On Wed, Feb 1, 2017 at 7:14 PM, Patrick Joy  wrote:

> Hi all,
>
> Would appreciate some advice on this, I'm having trouble working out the
> best way to aggregate across multiple foreign key relationships. I have
> come up with the solution below however I'm not sure if this is the correct
> way to handle this situation. Any advice would be appreciated.
>
> Thanks
>
>
> As an example I have a model structure that is 5 levels deep with foreign
> keys between each level, cost information is recorded at the lowest level
> (ContractItem)
>
> --- Project
>|--- Budget
>   |--- SubBudget
>  |--- Contract
> |--- ContractItem - $100
>
> If I want to aggregate the total cost up to the top project level I do it
> in multiple steps like this:
>
> class Project(models.Model):
> name = models.CharField(max_length=50)
>
> def total(self):
> subbudgets = SubBudget.objects.filter(budget__in=self.budget_set.
> all())
> contracts = Contract.objects.filter(subbudget__in=subbudgets)
> return ContractItem.objects.filter(contract__in=contracts).
> aggregate(Sum('total'))['total__sum']
>
>
> Is there a better way of doing this?
>
>
> Full working code:
>
> class Project(models.Model):
> name = models.CharField(max_length=50)
>
> def total(self):
> subbudgets = SubBudget.objects.filter(budget__in=self.budget_set.
> all())
> contracts = Contract.objects.filter(subbudget__in=subbudgets)
> return ContractItem.objects.filter(contract__in=contracts).
> aggregate(Sum('total'))['total__sum']
>
> def __str__(self):
> return self.name
>
> class Budget(models.Model):
> project = models.ForeignKey(Project)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
> def total(self):
> contracts = Contract.objects.filter(subbudget__in=self.subbudget_
> set.all())
> return ContractItem.objects.filter(contract__in=contracts).
> aggregate(Sum('total'))['total__sum']
>
>
> class SubBudget(models.Model):
> budget = models.ForeignKey(Budget)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
> def total(self):
> return ContractItem.objects.filter(contract__in=self.contract_
> set.all()).aggregate(Sum('total'))['total__sum']
>
>
> class Contract(models.Model):
> subbudget = models.ForeignKey(SubBudget)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
> def total(self):
> return self.contractitem_set.aggregate(Sum('total'))['total__sum']
>
> class ContractItem(models.Model):
> contract = models.ForeignKey(Contract)
> total = models.DecimalField(default=0.00, decimal_places=2,
> max_digits=12)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
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Re: Aggregation and following relationships backwards multiple levels

[pradam programmer]

from django.db.models import Q
def total(self):
subbudgets = SubBudget.objects.filter()
contracts = Contract.objects.filter(subbudget__in=subbudgets)
return
ContractItem.objects.filter(contract__subbudget__budget__in=self.budget_set.
all()).aggregate(Sum('total'))['total__sum']

On Wed, Feb 1, 2017 at 7:14 PM, Patrick Joy  wrote:

> Hi all,
>
> Would appreciate some advice on this, I'm having trouble working out the
> best way to aggregate across multiple foreign key relationships. I have
> come up with the solution below however I'm not sure if this is the correct
> way to handle this situation. Any advice would be appreciated.
>
> Thanks
>
>
> As an example I have a model structure that is 5 levels deep with foreign
> keys between each level, cost information is recorded at the lowest level
> (ContractItem)
>
> --- Project
>|--- Budget
>   |--- SubBudget
>  |--- Contract
> |--- ContractItem - $100
>
> If I want to aggregate the total cost up to the top project level I do it
> in multiple steps like this:
>
> class Project(models.Model):
> name = models.CharField(max_length=50)
>
> def total(self):
> subbudgets = SubBudget.objects.filter(budget__in=self.budget_set.
> all())
> contracts = Contract.objects.filter(subbudget__in=subbudgets)
> return ContractItem.objects.filter(contract__in=contracts).
> aggregate(Sum('total'))['total__sum']
>
>
> Is there a better way of doing this?
>
>
> Full working code:
>
> class Project(models.Model):
> name = models.CharField(max_length=50)
>
> def total(self):
> subbudgets = SubBudget.objects.filter(budget__in=self.budget_set.
> all())
> contracts = Contract.objects.filter(subbudget__in=subbudgets)
> return ContractItem.objects.filter(contract__in=contracts).
> aggregate(Sum('total'))['total__sum']
>
> def __str__(self):
> return self.name
>
> class Budget(models.Model):
> project = models.ForeignKey(Project)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
> def total(self):
> contracts = Contract.objects.filter(subbudget__in=self.subbudget_
> set.all())
> return ContractItem.objects.filter(contract__in=contracts).
> aggregate(Sum('total'))['total__sum']
>
>
> class SubBudget(models.Model):
> budget = models.ForeignKey(Budget)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
> def total(self):
> return ContractItem.objects.filter(contract__in=self.contract_
> set.all()).aggregate(Sum('total'))['total__sum']
>
>
> class Contract(models.Model):
> subbudget = models.ForeignKey(SubBudget)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
> def total(self):
> return self.contractitem_set.aggregate(Sum('total'))['total__sum']
>
> class ContractItem(models.Model):
> contract = models.ForeignKey(Contract)
> total = models.DecimalField(default=0.00, decimal_places=2,
> max_digits=12)
> name = models.CharField(max_length=50)
>
> def __str__(self):
> return self.name
>
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I want some guidance on Comments Table Structure

[pradam programmer]

Hi,
I'm creating the Generic model for Comments i have following scenerios:

1. Comments conversion should happen between one to one.
2. Comments should show based on particular programs id.


thank you.

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Re: What is the best combination of components to be used with Django on Windows 10?

[pradam programmer]

hi,
Please Refer this Link
https://www.toptal.com/django/installing-django-on-iis-a-step-by-step-tutorial


On Mon, Dec 26, 2016 at 3:28 PM, James Bennett 
wrote:

> On Mon, Dec 26, 2016 at 1:31 AM, Avraham Serour  wrote:
>
>> http://lmgtfy.com/?q=django+deploy+iis
>>
>>
> This is a rude and dismissive way to respond to someone who asked a
> question; please do not do this in the future, and for further information
> check out the Django community's Code of Conduct[1], which begins with "Be
> friendly and patient".
>
> [1] https://www.djangoproject.com/conduct/
>
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Re: understanding auth models

[pradam programmer]

Hi,
Read the django doc about auth user they have specified thoroughly

On 2 Jan 2017 7:48 pm, "Rasika"  wrote:

Hi,
  whenever I created the account for user using built in admin it get
stored into auth_user tablein the database.Where I can find the code for
this where the connections between the auth_user and save() so that I can
understand it to write my own table connections.

thank you

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.
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Happy New Year 2017

[pradam programmer]

Happy New Year Guys, i hope this year fill with alot of love, happiness and
Joy to everyone.

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Re: Django stops working with RuntimeError: populate() isn't reentrant

[pradam programmer]

this is the traceback i am getting..
(dj-1.7)mahiti@mahiti:~/SST$ python manage.py runserver
Traceback (most recent call last):
  File "manage.py", line 14, in 
execute_from_command_line(sys.argv)
  File "/home/mahiti/dj-1.7/local/lib/python2.7/site-packages/
django/core/management/__init__.py", line 385, in execute_from_command_line
utility.execute()
  File "/home/mahiti/dj-1.7/local/lib/python2.7/site-packages/
django/core/management/__init__.py", line 354, in execute
django.setup()
  File 
"/home/mahiti/dj-1.7/local/lib/python2.7/site-packages/django/__init__.py",
line 21, in setup
apps.populate(settings.INSTALLED_APPS)
  File 
"/home/mahiti/dj-1.7/local/lib/python2.7/site-packages/django/apps/registry.py",
line 78, in populate
raise RuntimeError("populate() isn't reentrant")
RuntimeError: populate() isn't reentrant

On Fri, Dec 23, 2016 at 1:46 PM, Babatunde Akinyanmi <tundeba...@gmail.com>
wrote:

> How about the stack trace?
>
> On 22 Dec 2016 16:43, "pradam programmer" <pradam.programm...@gmail.com>
> wrote:
>
>> I restarted hundred times still can't able to rectify it
>>
>> On 22 Dec 2016 9:07 pm, "ADEWALE ADISA" <solixzsys...@gmail.com> wrote:
>>
>> Restart the server
>> On Dec 22, 2016 4:27 PM, "pradam programmer" <
>> pradam.programm...@gmail.com> wrote:
>>
>>> Hi Guys,
>>> I am unable to rectify this error I am doing the following things:
>>> 1. I am running the project in django 1.7 later upgraded to 1.7.11 to
>>> check whether I fix the issue but no use. :(
>>> 2. In settings.py I commented the allowed_host = [*] still no use :(
>>> I don't know why this error is coming..?
>>> Thank you
>>>
>>> --
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>>> Groups "Django users" group.
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Re: starting django

[pradam programmer]

just correct pools to polls in url

On Thu, Dec 22, 2016 at 9:59 PM, Giovanni Oliverio 
wrote:

>
> Hello, I'm following the guide at the following link:
> https://docs.djangoproject.com/en/1.10/intro/tutorial01/ but when I go to
> call the page:  http://localhost:8000/polls/ the result is the following:
>
>
> 
>
>
>
> where am I wrong?
>
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> .
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Re: Django stops working with RuntimeError: populate() isn't reentrant

[pradam programmer]

I restarted hundred times still can't able to rectify it

On 22 Dec 2016 9:07 pm, "ADEWALE ADISA" <solixzsys...@gmail.com> wrote:

Restart the server
On Dec 22, 2016 4:27 PM, "pradam programmer" <pradam.programm...@gmail.com>
wrote:

> Hi Guys,
> I am unable to rectify this error I am doing the following things:
> 1. I am running the project in django 1.7 later upgraded to 1.7.11 to
> check whether I fix the issue but no use. :(
> 2. In settings.py I commented the allowed_host = [*] still no use :(
> I don't know why this error is coming..?
> Thank you
>
> --
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Django stops working with RuntimeError: populate() isn't reentrant

[pradam programmer]

Hi Guys,
I am unable to rectify this error I am doing the following things:
1. I am running the project in django 1.7 later upgraded to 1.7.11 to check
whether I fix the issue but no use. :(
2. In settings.py I commented the allowed_host = [*] still no use :(
I don't know why this error is coming..?
Thank you

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