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flask-themer-1.4.3
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مشاهده بیشترتوضیحات
Simple theme mechanism for Flask
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | flask-themer-1.4.3 |
| نام | flask-themer |
| نسخه کتابخانه | 1.4.3 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Tyler Kennedy |
| ایمیل نویسنده | tk@tkte.ch |
| آدرس صفحه اصلی | https://github.com/tktech/flask-themer |
| آدرس اینترنتی | https://pypi.org/project/flask-themer/ |
| مجوز | - |
# Flask-Themer
Simple theme support for flask apps.
Flask-Themer is inspired by the (seemingly) abandoned [flask-themes][] project,
but has been written from scratch for py3.7+ (or 3.6 with the dataclasses
backport). However it is _not_ immediately compatible with flask-themes and
does not seek to be. Flask-Themer tries to have little opinion on how you
actually structure your project and its themes and does not require a
particular metadata format/file.
Flask-Themer releases follow [Semantic Versioning][semver].
Flask-Themer has 100% test coverage and considers it an error to fall below
100%.
## Installation
Install the latest release from [PyPi][]:
```
pip install flask-themer
```
or get the latest development version from github:
```
git clone https://github.com/TkTech/flask-themer.git
cd flask-themer
python setup.py develop
```
## Quickstart
Flask-Themer usage is usually very basic, and once setup you likely won't need
to touch it again. Lets do a quickstart. Notice how we import `render_template`
from `flask_themer` instead of `flask`.
Our `app.py` looks like this:
```python
from flask import Flask
from flask_themer import Themer, render_template
app = Flask(__name__)
themer = Themer(app)
@themer.current_theme_loader
def get_current_theme():
# This is where you would look up the current user's theme if one was
# logged in, for example.
return 'default'
@app.route('/')
def hello_world():
return render_template('hello.html')
```
And next to it we have a directory called `themes` with a directory called
`default` inside of it. Our `themes/default/hello.html` looks like this:
```jinja2
Hello world!
```
That's it! By default Flask-Themer will look for a `themes` directory next to
your project and assume all the directories inside of it are themes. You can
change what directory it looks for with `THEMER_DEFAULT_DIRECTORY`, or specify
the template loaders explicitly to overwrite the default:
```python
from flask_themer import Themer, FileSystemThemeLoader
app = Flask(__name__)
themer = Themer(app, loaders=[
FileSystemThemeLoader(app, os.path.join(
app.root_path,
'also_themes'
))
])
```
## Using Themes From Templates
Two template globals are added once Flask-Themer is setup, `theme()` and
`theme_static()` (just like flask-themes). These methods look up the currently
active theme and look for the given path in that theme, returning a special
path that Jinja can use to load it.
```jinja2
{% extends theme("base.html") %}
{% block header %}
{{ super() }}
<link rel="stylesheet" href="{{ theme_static("bootstrap.css") }}">
{% endblock %}
```
## Theme Loaders
_Theme_ loaders are the mechanism by which Flask-Themer discovers what themes
are available. You can create a custom loader to get themes from a ZIP file, or
a database for example. Usually if you create a new `ThemeLoader` you'll also
need to create a new Jinja [_template_ loader][loader] so Jinja knows how to
read individual templates. Lets do a very minimal example that loads just a
single theme from a ZIP file.
```python
from zipfile import ZipFile
from flask_themer import ThemeLoader, Theme
from jinja2.loaders import BaseLoader, TemplateNotFound
class ZipFileTemplateLoader(BaseLoader):
def __init__(self, *args, archive, **kwargs):
super().__init__(*args, **kwargs)
self.archive = archive
def get_source(self, environment, template):
try:
return (self.archive.read(template), None, False)
except KeyError:
raise TemplateNotFound(template)
class ZipFileThemeLoader(ThemeLoader):
def __init__(self, path_to_zip):
self.archive = ZipFile(path_to_zip)
@property
def themes(self):
yield Theme(
name='my_dumb_theme',
theme_loader=self,
jinja_loader=ZipFileTemplateLoader(archive=self.archive),
)
def get_static(self, theme, path):
return self.archive.read(path)
```
And then to use our new loaders we update our previous example:
```python
...
themer = Themer(app, loaders=[
ZipFileThemeLoader('my_dumb_theme.zip')
])
...
```
Pretty simple right? You can see how we could easily create a loader to load
multiple themes from an archive, or load a user's customized theme from a
database.
[flask-themes]: https://github.com/maxcountryman/flask-themes
[pypi]: https://pypi.org/
[semver]: https://semver.org/
[loader]: https://jinja.palletsprojects.com/en/latest/api/#loaders
نیازمندی
| مقدار | نام |
|---|---|
| - | flask |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl flask-themer-1.4.3:
pip install flask-themer-1.4.3.whl
نصب پکیج tar.gz flask-themer-1.4.3:
pip install flask-themer-1.4.3.tar.gz