Django-Import-Export | Report import export app with | CSV Processing library
kandi X-RAY | Django-Import-Export Summary
kandi X-RAY | Django-Import-Export Summary
Report import export app with django-import-export package (tutorial)
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QUESTION
I recently added a package to my project and did a pip freeze > requirements.txt
afterwards. I then did pip install -r requirements.txt
to my local and it added a sidebar.
I did a pip install -r requirements.txt
to the server as well and it produced a different result. It's sidebar was messed up.
I tried removing the sidebar by doing this answer but it did not get removed.
...ANSWER
Answered 2021-May-31 at 03:01First of all, this navbar is added by Django 3.1+
and not by any other 3rd part packages.
Copy & Pasting from Django 3.X admin showing all models in a new navbar,
From the django-3.1 release notes,
The admin now has a sidebar on larger screens for easier navigation. It is enabled by default but can be disabled by using a custom AdminSite and setting
AdminSite.enable_nav_sidebar
toFalse
.
So, this is a feature that added in Django 3.1 and can be removed by settings AdminSite.enable_nav_sidebar = False
(see How to customize AdminSite
class)
You don't have to edit any CSS or HTML file to fix the styling, because Django comes with a new set of CSS and HTML, which usually fix the issue. (That is, it is not recommended to alter the styling file only for this)
If that doesn't work for you, it might be because of your browser cache.
If you are using Chrome,
QUESTION
I am trying to deploy my Python app on Heroku, but have been unsuccessful. It seems that a problem is occurring with the PyICU
package, which I'm unsure how to correct. I've confirmed that this is the only issue with my deployment; when I remove PyICU
from my requirements file, everything works. But of course my site can't work without it.
Can anyone please guide me in how to correctly install this package on Heroku? I've tried various methods, including downloading the .whl file and then adding that to my requirements file, but then I get another error:
ERROR: PyICU-2.7.3-cp38-cp38m-win_amd64.whl is not a supported wheel on this platform.
I don't understand why - it's the correct Python and os version.
Here are the relevant excerpts from the build log:
...ANSWER
Answered 2021-May-26 at 15:55Why are you using the windows wheel (PyICU-2.7.3-cp38-cp38m-win_amd64.whl
)? You probably need a manylinux
wheel.
You can also try pyicu-binary
package.
QUESTION
I'm adding the django-import-export to the admin in my app.
One thing I wanted to do was to offer the possibility of selecting in the admin page of selecting which fields to export.
I searched for this topic but I only came across two questions with no answers.
Is it possible to add the possibility to dynamically choose which fields to export from the admin page?
Thanks.
...ANSWER
Answered 2021-May-22 at 20:09Yes this is achievable, but it is a little tricky. Take a look at the example application, and get this working first.
- Take a look at the
BookAdmin
implementation. - Create a subclass of
ExportForm
, which implements a form widget which can read the list of fields to export. - Add a
BookResource
constructor which can take aform_fields
as a kwarg, and save this as an instance variable. - In
BookAdmin
, Overrideget_export_resource_kwargs()
methods to return the list of fields from the form. - Override
get_export_fields()
ofBookResource
to return the list of fields extracted from your form. - Finally, you'll have to override
export_action()
so that it creates an instance of your custom form. (You actually only need to override the line which instantiates the form - there should be aget_export_form()
method for this, so that the whole method doesn't need to be overridden. Feel free to submit a PR.)
Try this out with the example application before porting to your own app.
Example:(based on admin.py
)
QUESTION
I am using the Django-import-export(version 2.5.0) module in Django(version 3.1.4). So I am able to import all my models fields except for the ForeignKey field. I don't know how to make this one work. Can you look at my code and see what is wrong or needs to change? I need Django Admin to import the ForeignKey field.
models.py
...ANSWER
Answered 2021-Apr-28 at 04:12I don't have the reputation points to be able to add a comment but I think the issue you're experencing is due to your model's field naming conventions.
Since your foreign key relation inside the SitePart
to Agency
is called system_no
, your SitePartResource
's ForeignKey Widget isn't referencing the correct field - it's referencing the related Agency
model instance (which I believe is why you aren't getting any errors on import but the value is not being displayed).
To fix this, you just neeed to change the ForeignKey widget to reference the related Agency object's system_no
field (not the instance itself). I haven't tested it but changing your FK field to something like the following should work!
QUESTION
I've got a complicated relationship between my Django models and I'm trying to get django-import-export to play nicely.
...ANSWER
Answered 2021-Apr-21 at 23:52I didn't include the standard __str__
methods in the sample code, because I didn't think they were important, but I did have in my Team class definition:
QUESTION
I understand on how to pass a filter through views that have the return render(request, 'htmlname.html, {})
.
I don't know how to do it for this case of exporting data through django-import-export export option. I'd like to pass a filter from a dropdown selection for the data to be downloaded.
My view
ANSWER
Answered 2021-Apr-09 at 10:04There are a couple of approaches you could take. The approach you choose might depend on whether this is a "one-off" or if you need a reusable class. I would probably favour 'method 2'.
Method 1You could filter the queryset in your view, and then pass this to export:
QUESTION
I am working on a django project that requires updating database with bulk data provided in an excelsheet format. So basically, a user can upload a .csv file if it is in a correct format (by correct format i mean, well-formed file with data i expect). I know how to import a file using django-import-export, but the problem is , i don't know how to perform checks like checking if the .csv file has correct column names and information before updating database. I am new to django, please help.
...ANSWER
Answered 2021-Mar-25 at 12:33If you are programmatically importing a file, then if you can load a Dataset object, without any errors being raised, then it is a well-formed csv file. So something like:
QUESTION
I am using django-filter and django-import-export. I can build an HTML table and filter it using django-filter just fine, but I want the user to be able to export the filtered table, not the whole table. (That is, this is not through the admin feature.)
I suspect the issue is I have one view for the list itself, but the export is in another view, and I can't seem to pass the filtered queryset to the export view, and I can't figure out how to do the export and filter on the same view. They're both GET requests. I feel like I'm missing something very very basic here.
In my app/views.py:
...ANSWER
Answered 2021-Mar-19 at 09:32I think this line looks incorrect:
QUESTION
I'm upgrading a Django site to 3.1.2 and noticed one backend app wasn't working, in the process of asking the community help in fixing this I found out the app wasn't a custom made code by a single coder for the site but a community project called django-import-export. Since it's up to date and supports django 3.1 i deleted the manual way it was setup as a folder and pip installed it. i then tried to do a makemigrations
threw an error and after reading the setup docs assumed possibly you need to do collectstatic
first, it also threw the same error
ANSWER
Answered 2020-Nov-18 at 11:24The traceback shows that the error occurs when loading GuideResource
in your models.py
.
The getting started docs for django-import-export suggest putting the resource in the admin.py
, so I would try moving the GuideResource
outside of models.py
.
QUESTION
Actually started using django-import-export latest version. Wanted to know where exactly we can override to skip certain rows of the csv from being imported based on current user or the domains from a list of domains he can import data from the csv. How exactly to customize which of the methods to override and how?
In my ModelResource, I have created the list of domains for the current user, and which method of the import-export do I check this and skip the rows from being imported?
class MailboxResource(resources.ModelResource): mdomain_list = []
...ANSWER
Answered 2020-Nov-09 at 09:01You can use the skip_row(...)
--(Doc) method, as you mentioned.
But, the skip_row(...)
method doesn't provide any hooks to the request.user
, so, we are doing a simple hack to get the requested user in skip_row()
by overriding the import_data(...)
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