javedimka

posts_json = []
for Posts in glob.glob('/mnt/f/data/*'):
    with open(Posts) as f:
        posts_json.append({'Post': json.load(f)})
return jsonify(posts_json)

import winreg
winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\Microsoft\Windows\CurrentVersion\\Uninstall\{F57F0CBD-3260-4021-83E6-CA2224672634$}', 0, (winreg.KEY_WOW64_64KEY + winreg.KEY_READ))

''.isalpha()  # False
'  '.isalpha()  # False
'!@#'.isalpha()  # False
'abc'.isalpha()  # True
'123'.isalpha()  # False
'abc123'.isalpha()  # False
'абв'.isalpha()  # True
'абв123'.isalpha()  # False

def my_comb(pattern, r):
    comb_list = combinations(pattern, r)
    for c in comb_list:
        yield ''.join(x if x in c else '-' for x in pattern)

>>> list(my_comb('ABC', 2))
['AB-', 'A-C', '-BC']
>>> list(my_comb('ABCDE', 3))
['ABC--', 'AB-D-', 'AB--E', 'A-CD-', 'A-C-E', 'A--DE', '-BCD-', '-BC-E', '-B-DE', '--CDE']

>>> import lxml.etree
>>> doc = """
... <?xml version="1.0" encoding="ANSI" ?>
... <data>
...      <items>
...          <item name="item1">1</item>
...          <item name="item2">2</item>
...          <item name="item3">3</item>
...          <item name="item4">4</item>
...      </items>
... </data>
... .----------------------------------------------------------
... """
>>> parser = lxml.etree.XMLParser(recover=True)
>>> tree = lxml.etree.fromstring(doc, parser)
>>> [element.text for element in tree.iter('item')]
['1', '2', '3', '4']

>>> import xml.etree.ElementTree as ET
>>> doc = """
... <?xml version="1.0" encoding="ANSI" ?>
... <data>
...      <items>
...          <item name="item1">1</item>
...          <item name="item2">2</item>
...          <item name="item3">3</item>
...          <item name="item4">4</item>
...      </items>
... </data>
... .----------------------------------------------------------
... """
>>> tree = ET.fromstring(doc.strip('\n-.'))
>>> [element.text for element in tree.iter('item')]
['1', '2', '3', '4']

К сожалению не помогло, ошибка та же:

class EventGETSerializer(serializers.ModelSerializer):
    place = PlaceSerializer(read_only=True)
    class Meta:
        model = Event
        fields = ('id', 'title', 'description', 'price', 'place', 'link', 'date', 'time')

class EventSerializer(serializers.ModelSerializer):
    class Meta:
        model = Event
        fields = ('id', 'title', 'description', 'price', 'place', 'link', 'date', 'time')

from rest_framework import permissions


class EventList(generics.ListCreateAPIView):
    queryset = Event.objects.all()

    def get_serializer_class(self):
        if self.request.method in permissions.SAFE_METHODS:
            return EventGETSerializer
        else:
            return EventSerializer

from rest_framework.permissions import SAFE_METHODS


class EventSerializer(serializers.ModelSerializer):

    def __init__(self, *args, **kwargs):
        request = kwargs.get('context', {}).get('request')
        if request is not None and request.method not in SAFE_METHODS:
            self.Meta.depth = 0
        else:
            self.Meta.depth = 1
        super().__init__(*args, **kwargs)

    class Meta:
        model = Event
        fields = ('id', 'title', 'description', 'price', 'place', 'link',
                  'date', 'time')

к тому же delete_model как и save нельзя использовать для блокирования удаления объекта, только для добавления действий до и после удаления.

from django.contrib import messages


def delete_model(self, request, obj):
    """Если какая-то проверка успешна - удалить объект, если нет, то показать сообщение об ошибке."""
    if check_permission(obj):
        return super().delete_model(request, obj)
    # При следующем запросе захватываем только ошибки.
    # Так после нажатия на кнопку удаления не будет захвачено ложное сообщение
    # об успешном удалении.
    messages.set_level(request, messages.ERROR)
    message = "You cant delete this!"
    # Посылаем свое сообщение об ошибке.
    self.message_user(request, message, level=messages.ERROR)

from rest_framework.response import Response


class TrainingDetailAPIView(RetrieveAPIView):
    queryset = Training.objects.all()
    serializer_class = TrainingSerializer
    lookup_field = 'slug'
    
    def retrieve(self, request, *args, **kwargs):
        instance = self.get_object()
        serializer = self.get_serializer(instance, fields=('title', 'description'))
        return Response(serializer.data)

class TrainingDetailAPIView(RetrieveAPIView):
    queryset = Training.objects.all()
    serializer_class = TrainingSerializer
    lookup_field = 'slug'
    
    def get_serializer(self, *args, **kwargs):
        kwargs['fields'] = ('title', 'description')
        return super().get_serializer(*args, **kwargs)

class ShowFieldsMixin:

    def get_serializer(self, *args, **kwargs):
        if getattr(self, 'fields_to_show', None) is not None:
            kwargs['fields'] = self.fields_to_show
        return super().get_serializer(*args, **kwargs)


class TrainingDetailAPIView(ShowFieldsMixin, RetrieveAPIView):
    queryset = Training.objects.all()
    serializer_class = TrainingSerializer
    lookup_field = 'slug'
    fields_to_show = ('title', 'description')

class TrainingListAPIView(ShowFieldsMixin, ListAPIView):
    # bla-bla-bla
    serializer_class = TrainingSerializer
    fields_to_show = ('name', 'description', 'url', 'slug')

table = [
    ['header1', 'header2', 'header3', 'header4'],
    ['value1.1', 'value2.1', 'value3.1', 'value4.1'],
    ['value1.2', 'value2.2', 'value3.2', 'value4.2']
]

table = [('header1', 'header2', 'header3', 'header4')]
table += Model.objects.all().values_list('value1', 'value2', 'value3', 'value4')
context['table'] = table

<table>
{% for v1, v2, v3, v4 in table %}
    {% if forloop.first %}
        <tr>
            <th>{{ v1 }}</th>
            <th>{{ v2 }}</th>
            <th>{{ v3 }}</th>
            <th>{{ v4 }}</th>
        </tr>
    {% else %}
        <tr>
            <td>{{ v1 }}</td>
            <td>{{ v2 }}</td>
            <td>{{ v3 }}</td>
            <td>{{ v4 }}</td>
        </tr>
    {% endif %}
{% endfor %}
</table>

function drawChart(chartData, lineChartId) {

        var data = new google.visualization.DataTable();
        data.addColumn('date', 'Time of Day');
        data.addColumn('number', 'KWR');
        data.addColumn('number', 'BSR');

        data.addRows(chartData);


        var options = {
            colors: ['#000000','#ff9000'],
            hAxis: {
                format: 'M/d/yy',
                gridlines: {count: 10}
            },
            vAxis: {
                direction: -1
            }
        };

        var chart = new google.visualization.LineChart(document.getElementById(lineChartId));

        chart.draw(data, options);
    }

>>> from email.header import decode_header
>>> s = '=?UTF-8?B?0KHQsdC10YDQsdCw0L3QuiDQntC90LvQsNC50L0uINCe0LTQvdC+0YDQsNC3?='
>>> bytes, encoding = decode_header(s)[0]
>>> bytes.decode(encoding)
'Сбербанк Онлайн. Однораз'