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flask_extras-4.0.3
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مشاهده بیشترتوضیحات
Assorted useful flask views, blueprints, Jinja2 template filters, and templates/macros
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | flask_extras-4.0.3 |
| نام | flask_extras |
| نسخه کتابخانه | 4.0.3 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Chris Tabor |
| ایمیل نویسنده | dxdstudio@gmail.com |
| آدرس صفحه اصلی | https://github.com/christabor/flask_extras |
| آدرس اینترنتی | https://pypi.org/project/flask_extras/ |
| مجوز | MIT |
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[](https://landscape.io/github/christabor/flask_extras/master)
# Flask Extras
Assorted useful flask views, blueprints, Jinja2 template filters, and templates/macros.
## Overall setup
As of `3.4.0`, filters and templates will automatically be registered and available through the following simple command:
```python
from flask_extras import FlaskExtras
app = Flask('myapp')
FlaskExtras(app)
```
For the old way, check out [this page](wiki/old_setup.md)
## Available features
### Views
Import them like usual:
```python
from flask_extras.views import (
statuses,
)
```
*Note:* each view must have a valid template in your apps templates dir. See each view for the required names and locations.
*Note:* each view has configuration helpers to inject or configure your app. See source for details.
### Macros
**Many more macros** are available. You can use them like so:
```html
{% from 'macros.html' import list_group, objects2table %}
```
For the most comprehensive docs, check out each [macro](flask_extras/macros/). Comment "docstrings" are inline using jinja2 comments (these are not rendered in your html).
Also, check the source and/or output to see what classes are available for style overrides.
### Statuses
Provides views for common status codes. Usage:
```python
app = statuses.inject_error_views(app)
```
See source for more.
### Decorators
See the source for more. Usage example:
```python
from flask_extras.decorators import require_headers
app.route('/')
@require_headers(['X-Foo'])
def foo():
pass
```
### Forms
#### WTForm Multi-step wizard
A WTForm extension for handling an arbitrary number of separate forms as a single, multi-step, multi-POST wizard. All state and data are handled by apps' session backend. Building forms is just like you're used to -- simple and intuitive. Just inherit the `MultiStepWizard` class and put a `__forms__` key on it, which is just a list of all the forms you want to use. *Note*: list order matters for your form steps.
Usage example:
```python
from flask.ext.wtf import FlaskForm
from flask_extras.forms.wizard import MultiStepWizard
class MultiStepTest1(FlaskForm):
field1 = StringField(validators=[validators.DataRequired()],)
field2 = IntegerField(validators=[validators.DataRequired()],)
class MultiStepTest2(FlaskForm):
field3 = StringField(validators=[validators.DataRequired()],)
field4 = IntegerField(validators=[validators.DataRequired()],)
class MyCoolForm(MultiStepWizard):
__forms__ = [
MultiStepTest1,
MultiStepTest2,
]
```
and an example route:
```python
from forms import MyCoolForm
@app.route('/', methods=['GET', 'POST'])
def index():
curr_step = request.args.get('curr_step')
form_kwargs = dict(session_key='mycustomkey')
if curr_step is not None:
form_kwargs.update(curr_step=curr_step)
form = forms.MyCoolForm(**form_kwargs)
kwargs = dict(form=form)
if request.method == 'POST':
if form.validate_on_submit():
if form.is_complete():
data = form.alldata(combine_fields=True, flush_after=True)
flash('Form validated and complete! data = {}'.format(data),
'success')
return jsonify(data)
else:
flash('Great job, but not done yet ({} steps remain!).'.format(form.remaining))
else:
flash('Invalid form data.', 'error')
return render_template('index.html', **kwargs)
```
and an example html page (using the [wtform_form](flask_extras/macros/macros.html) macro also available):
```html
{% if form.is_complete() %}
<span class="well">Complete!</span>
{% else %}
<ul class="list-inline">
{% for step in form.steps %}
<li>
{% if step == form.curr_step %}
<strong class="lead label label-info">current {{ step }}</strong>
{% else %}
<a href="{{ url_for('app.index') }}?curr_step={{ step }}">{{ step }}</a>
{% endif %}
{% if not loop.last %}
/
{% endif %}
</li>
{% endfor %}
</ul>
{{ wtform_form(form,
classes=['form', 'form-horizontal'],
btn_classes=['btn btn-primary', 'btn-lg'],
align='right',
action=url_for('app.index'),
method='POST',
reset_btn=False,
horizontal=True,
) }}
{% endif %}
```
نحوه نصب
نصب پکیج whl flask_extras-4.0.3:
pip install flask_extras-4.0.3.whl
نصب پکیج tar.gz flask_extras-4.0.3:
pip install flask_extras-4.0.3.tar.gz