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drf-renderer-xlsx-ko-1.0
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مشاهده بیشترتوضیحات
Django REST Framework renderer for spreadsheet (xlsx) files.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | drf-renderer-xlsx-ko-1.0 |
| نام | drf-renderer-xlsx-ko |
| نسخه کتابخانه | 1.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Timothy Allen |
| ایمیل نویسنده | tallen@wharton.upenn.edu |
| آدرس صفحه اصلی | https://github.com/wharton/drf-renderer-xlsx |
| آدرس اینترنتی | https://pypi.org/project/drf-renderer-xlsx-ko/ |
| مجوز | - |
# Django REST Framework Renderer: XLSX
`drf-renderer-xlsx` provides an XLSX renderer for Django REST Framework. It uses OpenPyXL to create the spreadsheet and returns the data.
# Requirements
It may work with earlier versions, but has been tested with the following:
* Python >= 3.6
* Django >= 2.2
* Django REST Framework >= 3.6
* OpenPyXL >= 2.4
# Installation
```bash
pip install drf-renderer-xlsx
```
Then add the following to your `REST_FRAMEWORK` settings:
```python
REST_FRAMEWORK = {
...
'DEFAULT_RENDERER_CLASSES': (
'rest_framework.renderers.JSONRenderer',
'rest_framework.renderers.BrowsableAPIRenderer',
'drf_renderer_xlsx.renderers.XLSXRenderer',
),
}
```
To avoid having a file streamed without a filename (which the browser will often default to the filename "download", with no extension), we need to use a mixin to override the `Content-Disposition` header. If no `filename` is provided, it will default to `export.xlsx`. For example:
```python
from rest_framework.viewsets import ReadOnlyModelViewSet
from drf_renderer_xlsx.mixins import XLSXFileMixin
from drf_renderer_xlsx.renderers import XLSXRenderer
from .models import MyExampleModel
from .serializers import MyExampleSerializer
class MyExampleViewSet(XLSXFileMixin, ReadOnlyModelViewSet):
queryset = MyExampleModel.objects.all()
serializer_class = MyExampleSerializer
renderer_classes = (XLSXRenderer,)
filename = 'my_export.xlsx'
```
The `XLSXFileMixin` also provides a `get_filename()` method which can be overridden, if you prefer to provide a filename programmatically instead of the `filename` attribute.
# Configuring Styles
Styles can be added to your worksheet header, column header row, and body rows, from view attributes `header`, `column_header`, `body`. Any arguments from [the OpenPyXL package](https://openpyxl.readthedocs.io/en/stable/styles.html) can be used for font, alignment, fill and border_side (border will always be all side of cell).
```python
class MyExampleViewSet(XLSXFileMixin, ReadOnlyModelViewSet):
queryset = MyExampleModel.objects.all()
serializer_class = MyExampleSerializer
renderer_classes = (XLSXRenderer,)
column_header = {
'titles': [
"Column_1_name",
"Column_2_name",
"Column_3_name",
],
'column_width': [17, 30, 17],
'height': 25,
'style': {
'fill': {
'fill_type': 'solid',
'start_color': 'FFCCFFCC',
},
'alignment': {
'horizontal': 'center',
'vertical': 'center',
'wrapText': True,
'shrink_to_fit': True,
},
'border_side': {
'border_style': 'thin',
'color': 'FF000000',
},
'font': {
'name': 'Arial',
'size': 14,
'bold': True,
'color': 'FF000000',
},
},
}
body = {
'style': {
'fill': {
'fill_type': 'solid',
'start_color': 'FFCCFFCC',
},
'alignment': {
'horizontal': 'center',
'vertical': 'center',
'wrapText': True,
'shrink_to_fit': True,
},
'border_side': {
'border_style': 'thin',
'color': 'FF000000',
},
'font': {
'name': 'Arial',
'size': 14,
'bold': False,
'color': 'FF000000',
}
},
'height': 40,
}
```
Also you can dynamically generate style attributes in methods `get_body`, `get_header`, `get_column_header`.
```python
def get_header(self):
starttime, endtime = parse_times(request=self.request)
datetime_format = "%H:%M:%S %d.%m.%Y"
return {
'tab_title': 'MyReport',
'header_title': 'Report from {} to {}'.format(
starttime.strftime(datetime_format),
endtime.strftime(datetime_format),
),
'height': 45,
'img': 'app/images/MyLogo.png',
'style': {
'fill': {
'fill_type': 'solid',
'start_color': 'FFFFFFFF',
},
'alignment': {
'horizontal': 'center',
'vertical': 'center',
'wrapText': True,
'shrink_to_fit': True,
},
'border_side': {
'border_style': 'thin',
'color': 'FF000000',
},
'font': {
'name': 'Arial',
'size': 16,
'bold': True,
'color': 'FF000000',
}
}
}
```
Also you can add `color` field to your serializer and fill body rows.
```python
class ExampleSerializer(serializers.Serializer):
color = serializers.SerializerMethodField()
def get_color(self, instance):
color_map = {'w': 'FFFFFFCC', 'a': 'FFFFCCCC'}
return color_map.get(instance.alarm_level, 'FFFFFFFF')
```
# Controlling XLSX headers and values
## Use Serializer Field labels as header names
By default, headers will use the same 'names' as they are returned by the API. This can be changed by setting `xlsx_use_labels = True` inside your API View.
Instead of using the field names, the export will use the labels as they are defined inside your Serializer. A serializer field defined as `title = serializers.CharField(label=_("Some title"))` would return `Some title` instead of `title`, also supporting translations. If no label is set, it will fall back to using `title`.
## Ignore fields
By default, all fields are exported, but you might want to exclude some fields from your export. To do so, you can set an array with fields you want to exclude: `xlsx_ignore_headers = [<excluded fields>]`.
This also works with nested fields, separated with a dot (i.e. `icon.url`).
## Name boolean values
`True` and `False` as values for boolean fields are not always the best representation and don't support translation. This can be controlled with `xlsx_boolean_labels`.
`xlsx_boolean_labels = {True: _('Yes'), False: _('No')}` will replace `True` with `Yes` and `False` with `No`.
## Format dates
To format dates differently than what DRF returns (eg. 2013-01-29T12:34:56.000000Z) `xlsx_date_format_mappings` takes a ´dict` with the field name as its key and the date(time) format as its value:
```
xlsx_date_format_mappings = {
'created_at': '%d.%m.%Y %H:%M',
'updated_at': '%d.%m.%Y %H:%M'
}
```
## Custom mappings
Assuming you have a field that returns a `dict` instead of a simple `str`, you might not want to return the whole object but only a value of it. Let's say `status` returns `{ value: 1, display: 'Active' }`. To return the `display` value in the `status` column, we can do this:
```
xlsx_custom_mappings = {
'status': 'display'
}
```
A probably more common case is that you want to change how a value is formatted. `xlsx_custom_mappings` also takes functions as values. Assuming we have a field `description`, and for some strange reason want to reverse the text, we can do this:
```
def reverse_text(val):
return val[::-1]
xlsx_custom_mappings = {
'description': reverse_text
}
```
# Release Notes
Release notes are [available on GitHub](https://github.com/wharton/drf-renderer-xlsx/releases).
## Maintainer
* [Timothy Allen](https://github.com/FlipperPA) at [The Wharton School](https://github.com/wharton)
This package is maintained by the staff of [Wharton Research Data Services](https://wrds.wharton.upenn.edu/). We are thrilled that [The Wharton School](https://www.wharton.upenn.edu/) allows us a certain amount of time to contribute to open-source projects. We add features as they are necessary for our projects, and try to keep up with Issues and Pull Requests as best we can. Due to constraints of time (our full time jobs!), Feature Requests without a Pull Request may not be implemented, but we are always open to new ideas and grateful for contributions and our package users.
## Contributors (Thank You!)
* [Armaan Tobaccowalla](https://github.com/ArmaanT)
* [Davis Haupt](https://github.com/davish)
* [Eric Wang](https://github.com/ezwang)
* [Felipe Schmitt](https://github.com/fsschmitt)
* [ffruit](https://github.com/frruit)
* [Gonzalo Ayuso](https://github.com/gonzalo123)
* [Nick Kozhenin](https://github.com/mast22)
* [Pavel Bryantsev](https://github.com/Tigven)
* [Pavel Tolstolytko](https://github.com/eshikvtumane)
* [Thomas Willems](https://github.com/willtho89)
* [Tim](https://github.com/Shin--/)
نیازمندی
| مقدار | نام |
|---|---|
| >=3.6 | djangorestframework |
| >=2.4 | openpyxl |
نحوه نصب
نصب پکیج whl drf-renderer-xlsx-ko-1.0:
pip install drf-renderer-xlsx-ko-1.0.whl
نصب پکیج tar.gz drf-renderer-xlsx-ko-1.0:
pip install drf-renderer-xlsx-ko-1.0.tar.gz