It's not Flash, but it's close..
https://github.com/wnesbv/starlette-admin-auth-blog-booking/blob/main/item/schedule_export_csv.py
https://github.com/wnesbv/starlette-admin-auth-blog-booking/blob/main/item/schedule_import_csv.py

понедельник, 22 августа 2022 г. в 18:00:48 UTC+3, Jonathan Vanasco: 

> You should ask this in a Flask discussion group or stackoverflow.  This is 
> a sqlalchemy group and most users here have no experience with Flask.
>
> On Friday, August 19, 2022 at 4:13:50 PM UTC-4 nand...@gmail.com wrote:
>
>> I am trying to fill up a field in a table database with contents of a 
>> text file, but get None as the response when I run the code. Any assistance 
>> will be appreciated. Here is my code:
>>
>> # view function - routes.py
>> .......
>> @app.route('/add_vlans', methods = ['GET', 'POST'])
>> @login_required
>> def add_vlans():
>>     form = AddVlanForm(current_user.routername)
>>     if form.validate_on_submit():
>>         with open("show_vlans", "r") as vlans:
>>             vlan_output = vlans.read()
>>             rt = Router(raw_vlans=vlan_output) #raw_vlans - field 
>> variable name
>>             db.session.add(rt)
>>             db.session.commit()
>>     return render_template('_show_vlans.html', title='Router Vlans')
>>
>> #forms.py
>> class AddVlanForm(FlaskForm):
>>     raw_vlans = TextAreaField('Router vlan output:', 
>> validators=[Length(min=0, max=140)])
>>     submit = SubmitField('Get Vlans on Router')
>>
>> #templates   - router.html
>> {% extends "base.html" %}
>>
>> {% block content %}
>>
>>     <h1>Router: {{ router.routername }}</h1>
>>     
>>     {% if router.about_router %} <p>About router: {{ router.about_router 
>> }}</p> {% endif %}
>>     
>>     Vlans on {{ router.routername }}<br>
>>     {% for vlan in vlans %}
>>         <ul>
>>             <li>{% include '_vlan.html' %}</li>
>>         </ul>
>>     {% endfor %}
>>     {% if router == current_user %}
>>         <p> <a href="{{ url_for('edit_router') }}"> Edit Router </a> </p>
>>     {% endif %}
>>     <h1> Vlan Configurations </h1>
>>         <a href="{{ url_for('add_vlans') }}"> Show Router Vlans </a>
>>
>>     <p> {% include '_show_vlans.html' %} </p>
>>         
>> {% endblock %}
>>
>> #sub-template -  _show_vlans.html
>> <table>
>>     <tr>
>>         <td>Vlans on router {{ current_user.routername }}: 
>>             <pre>{{ current_user.raw_vlans }}</pre>
>>         </td>
>>     </tr>
>> </table>
>>
>> I get the response:
>> Vlans on router router20:            None
>>
>

-- 
SQLAlchemy - 
The Python SQL Toolkit and Object Relational Mapper

http://www.sqlalchemy.org/

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