how should i make a non downloadable image in my django website

[deepak manupati]

how should i make a non downloadable image in my django website

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Re: Hebrew in Raw Query Like Clause

[Art Zemon]

Michal,

Actually, your syntax didn't quite work. It threw a couple of warnings and 
seemed to match all records in the database. But you got me on the right 
track. This syntax does work properly:

select ... where word like concat('%%', %s, '%%')


Thanks for getting me pointed in the right direction.

-- Art Z.

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Re: Hebrew in Raw Query Like Clause

[Art Zemon]

On Friday, July 8, 2016 at 8:34:00 AM UTC-5, Michal Petrucha wrote:
>
> I may be wrong, but it seems to me that you're using wrong quoting in 
> that raw query; I think it should be:: 
>
> select sortkey, book, chapter, verse, hebrew_text 
> from bible_bible 
> where hebrew_text like '%%' || %s || '%%' 
>
> The DBAPI will already take care of the proper quoting for the string 
> argument, you just need to properly concatenate it with percent signs 
> on both sides. 
>

Michal,

You're a genius! That did it. Thank you.

-- Art Z. 

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Re: ValueError: invalid literal for int() with base 10: 'on'

[Gary Roach]

On 07/08/2016 04:58 PM, James Schneider wrote:


> The polls,detail.html is:
>
> {{ question.question_text }}
>
> {% if error_message %}{{ error_message }}
> {% endif %}
>
> http://question.id> 
%}" method="post">

> {% csrf_token %}
>
> {% for choice in question.choice_set.all %}
>  id="choice{{forloop.counter }}"
> value"{{ choice.id  }}" />

It looks like your value attribute is missing an equals (=) sign. I 
think that the value is set to 'on' if the box is selected by the user 
and you haven't specified a value attribute.


If that's not it, can you post the entire traceback? This is an error 
from within the Django framework itself, likely from receiving a str 
value when it was expecting an int. The full traceback will hopefully 
tell us what portion of your code made the initial call.


-James


Thank you.

I mistyped the code string. and left out the = sign.. Things work as 
they should now. I guess I need to be a little more careful when 
proofing my code.


Thanks again

Gary Rl


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Re: ValueError: invalid literal for int() with base 10: 'on'

[James Schneider]

> The polls,detail.html is:
>
> {{ question.question_text }}
>
> {% if error_message %}{{ error_message }}
> {% endif %}
>
> 
> {% csrf_token %}
>
> {% for choice in question.choice_set.all %}
>  id="choice{{forloop.counter }}"
> value"{{ choice.id }}" />

It looks like your value attribute is missing an equals (=) sign. I think
that the value is set to 'on' if the box is selected by the user and you
haven't specified a value attribute.

If that's not it, can you post the entire traceback? This is an error from
within the Django framework itself, likely from receiving a str value when
it was expecting an int. The full traceback will hopefully tell us what
portion of your code made the initial call.

-James

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ValueError: invalid literal for int() with base 10: 'on'

[Gary Roach]

Hi all,

I'm working on the official django 1.9 tutorial part 4 , Python 3.5 and 
Django 1.9 are encapsulated in a virtualenv file in my /opt/ directory.


OS Debian Linux with KDE desktop

IDE Eclipse with PyDev plugin.

Every time I try to vote the program errors out with the following:

  File 
"/opt/python-virtual-environments/py3.5dj1.9.7/lib/python3.5/site-packages/django/db/models/fields/__init__.py", 
line 976, in get_prep_value

return int(value)
ValueError: invalid literal for int() with base 10: 'on'
[07/Jul/2016 16:21:41] "POST /polls/1/vote/ HTTP/1.1" 500 120688

*The code at line 976 is:*

def get_prep_value(self, value):
value = super(AutoField, self).get_prep_value(value)
if value is None:
return None
return int(value)

*My project layout is:*

mysite

src

mysite

...

settings.py

urls.py

wsgi.py

polls

migrations

templates

polls

detail.html

index.html

results.html

admin.py

apps.py

models.py

urls.py

views.py

db.sqlite3

manage.py



*My mysite.settings file Installed apps looks like:*

INSTALLED_APPS = [
'polls.apps.PollsConfig',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
]

*My polls.views file is :*

#Include any python library functions you wish.

from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404, render
from django.core.urlresolvers import reverse


from polls.models import Choice, Question


def index(request):
latest_question_list = Question.objects.order_by('-pub_date')[:5]
context = {'latest_question_list': latest_question_list }
return render(request, 'polls/index.html', context)

def detail(request, question_id):
question = get_object_or_404(Question, pk=question_id)
return render(request, 'polls/detail.html', {'question': question})


def results(request, question_id):
question = get_object_or_404(Question, pk=question_id)
return render(request, 'polls/results.html', {'question':question})


def vote(request, question_id):
question = get_object_or_404(Question, pk=question_id)
try:
selected_choice = question.choice_set.get(
  pk=request.POST['choice'])
except (KeyError, Choice.DoesNotExist):
return render(request, 'polls/detail.html',
  {'question': question, 'error_message':
   "You didn't select a choice.",}
  )
else:
selected_choice.votes += 1
selected_choice.save()
return HttpResponseRedirect(reverse('polls:results',
   args=(question.id,)))

*The polls,detail.html is:*

{{ question.question_text }}

{% if error_message %}{{ error_message }}
{% endif %}


{% csrf_token %}

{% for choice in question.choice_set.all %}


{{ choice.choice_text }}
{% endfor %}





I am not very familiar with the Eclipse PyDev debugger and can't seem to 
find the problem. Any help will be sincerely appreciated.


Gary R.


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Re: Substring Searching for Hebrew Text

[Art Zemon]

Never mind... this is s duplicate of a post that I made via email last 
night. The emailed one finally showed up. I guess it had been held for 
moderation.

-- Art Z.

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Substring Searching for Hebrew Text

[Art Zemon]

Hello,

I have a column in a table that contains Hebrew text. I need to do a query 
with a LIKE clause on the Hebrew text. The query works if I execute the SQL 
directly, either in a SQL window of phpMyAdmin or in a command line mysql 
client. But I cannot get it to work within Django.

I tried Bible.objects.filter(hebrew_text__contains('דֶּשֶׁא') and I get 
nothing back.

I tried a raw query in a custom manager:

class BibleManager(models.Manager):
def contains_hebrew_word(self, word='דֶּשֶׁא'):
sql = """select sortkey, book, chapter, verse, hebrew_text
 from bible_bible
 where hebrew_text like '%%%s%%' """
raw_query_set = self.raw(sql, [word])
result_list = []
for b in raw_query_set:
result_list.append(b)
return result_list

but I get this error:

django.db.utils.ProgrammingError: (1064, "You have an error in your SQL 
syntax; check the manual that corresponds to your MySQL server version for 
the right syntax to use near 'דֶּשֶׁא'%'' at line 3")


I am using 

   - Django 1.9
   - Python 3
   - mysqlclient 1.3.7
   - MySQL 5.5.49

Any ideas?

-- Art Z.

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Re: Django Admin - customize use jquery inside and custom fields.

[Luis Zárate]

See https://docs.djangoproject.com/en/1.9/topics/forms/media/

2016-07-08 10:58 GMT-06:00 Luis Zárate :

>
> 2016-07-08 10:24 GMT-06:00 :
>
>> and save the new im
>
>
> You can start reading how to set css and js to form and admin site.
>
> See
>
>
>
> --
> "La utopía sirve para caminar" Fernando Birri
>
>
>


-- 
"La utopía sirve para caminar" Fernando Birri

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Django Admin - customize use jquery inside and custom fields.

[sevenrrainbow]

I want to implement in Django Admin a jquery plugin that "adjust" and 
image(http://guillotine.js.org/), them get the coordinates with ImageKit 
and save the new image.

I need some tutorials and advises how to do it.

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Re: Invalid HTTP_HOST header in shared server

[Luis Zárate]

nobody knows how to solve this problem?

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Re: Django - File or Image Delete

[Mstislav Kazakov]

Just pass empty value in file field.
If blank=True and null=True, everything should work fine and image will be 
removed.

пятница, 8 июля 2016 г., 17:23:42 UTC+5 пользователь sevenr...@gmail.com 
написал:
>
> The user has the possibility to add/delete image and documents.
>
>
> I used GCBV UpdateView and a FormModel for this. 
>
>
> How can I offer the possibility to the user to delete the file/image ?
>

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Re: Hebrew in Raw Query Like Clause

[Michal Petrucha]

On Thu, Jul 07, 2016 at 11:23:21PM -0500, Art Zemon wrote:
> Hello,
> 
> I have a column in a table that contains Hebrew text. I need to do a query
> with a LIKE clause on the Hebrew text. The query works if I execute the SQL
> directly, either in a SQL window of phpMyAdmin or in a command line mysql
> client. But I cannot get it to work within Django.
> 
> I tried Bible.objects.filter(hebrew_text__contains('דֶּשֶׁא') and I get
> nothing back.

Here, one thing you might want to try is to use django-debug-toolbar's
debugsqlshell, run the query inside that, and take a look at the
actual SQL query generated for that; maybe it will reveal some oddity.

> I tried a raw query in a custom manager:
> 
> class BibleManager(models.Manager):
> def contains_hebrew_word(self, word='דֶּשֶׁא'):
> sql = """select sortkey, book, chapter, verse, hebrew_text
>  from bible_bible
>  where hebrew_text like '%%%s%%' """
> raw_query_set = self.raw(sql, [word])
> result_list = []
> for b in raw_query_set:
> result_list.append(b)
> return result_list
> 
> but I get this error:
> 
> django.db.utils.ProgrammingError: (1064, "You have an error in your SQL
> syntax; check the manual that corresponds to your MySQL server version for
> the right syntax to use near 'דֶּשֶׁא'%'' at line 3")

I may be wrong, but it seems to me that you're using wrong quoting in
that raw query; I think it should be::

select sortkey, book, chapter, verse, hebrew_text
from bible_bible
where hebrew_text like '%%' || %s || '%%'

The DBAPI will already take care of the proper quoting for the string
argument, you just need to properly concatenate it with percent signs
on both sides.

Good luck,

Michal

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signature.asc
Description: Digital signature

Hebrew in Raw Query Like Clause

[Art Zemon]

Hello,

I have a column in a table that contains Hebrew text. I need to do a query
with a LIKE clause on the Hebrew text. The query works if I execute the SQL
directly, either in a SQL window of phpMyAdmin or in a command line mysql
client. But I cannot get it to work within Django.

I tried Bible.objects.filter(hebrew_text__contains('דֶּשֶׁא') and I get
nothing back.

I tried a raw query in a custom manager:

class BibleManager(models.Manager):
def contains_hebrew_word(self, word='דֶּשֶׁא'):
sql = """select sortkey, book, chapter, verse, hebrew_text
 from bible_bible
 where hebrew_text like '%%%s%%' """
raw_query_set = self.raw(sql, [word])
result_list = []
for b in raw_query_set:
result_list.append(b)
return result_list

but I get this error:

django.db.utils.ProgrammingError: (1064, "You have an error in your SQL
syntax; check the manual that corresponds to your MySQL server version for
the right syntax to use near 'דֶּשֶׁא'%'' at line 3")


I am using

   - Django 1.9
   - Python 3
   - mysqlclient 1.3.7
   - MySQL 5.5.49

Any ideas?

-- Art Z.

-- 
http://CheerfulCurmudgeon.com/ 

*"If I am not for myself, who is for me? And if I am only for myself, what
am I? And if not now, when?" Hillel*

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Django - File or Image Delete

[sevenrrainbow]

 

The user has the possibility to add/delete image and documents.


I used GCBV UpdateView and a FormModel for this. 


How can I offer the possibility to the user to delete the file/image ?

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