uralov

with open('/path/file.csv', 'w') as f:
	writer = csv.writer(f)
    for i in range(100000):
        writer.writerow([i])

uralov

On the server with tmux

Create a new tmux session:

tmux new-session -s my-session # launch `top`, `htop`, or anything that will regularly updates, then detach

Stream your session:

uralov

@deconstructible
class VersioningFileSystemStorage(FileSystemStorage):
    """ The modified version of the original :class:`FileSystemStorage` will 
    append a hash to any file being saved regardless of whether the original 
    file name is already taken or not so any file saved will have it.
    The backend is meant to be used with model versioning to provide simple
    file versioning as well.
    A security consideration of the approach is that though there is a hash,
    which cannot be guessed manually, the ``MEDIA_ROOT`` directory is usually 
    world-readable. So potentially, an automatic guessing could reveal 

uralov

class M2MNestedSerializerMixin(object):
    """
    Nested serializer mixin for M2M fields.
    
    You need mix serializer mixin to you serializer and append M2M fields to 
    Meta.m2m_nested_fields.
    """
    m2m_nested_objects = {}

    class Meta:

uralov

class BaseTranslationMixin(object):
    def __init__(self, instance=None, data=empty, **kwargs):
        if not self.Meta.model_translation:
            raise AttributeError(
                'You must define Meta.model_translation attribute')

        super().__init__(instance=instance, data=data, **kwargs)

    @staticmethod
    def get_translation_fields(languages, fields):

uralov

class ForeignKeySerializerMixin(object):
    """
    Mixin for processing foreign key field serializers
    """
    class Meta:
        foreign_key_fields = ()

    def is_valid(self, raise_exception=False):
        # TODO: костыль, после выхода 3.4.8 посмотреть решён ли баг
        # DRF parent-level validation of nested serializer bug

uralov

class BulkViewSetMixin(object):
    """
    Mixin for bulk create and update operations.
    You need used Bulk routers for providing routing to bulk operations,
    for example BulkNestedSimpleRouter.
    """
    def create(self, request, *args, **kwargs):
        bulk = isinstance(request.data, list)

        if not bulk:

uralov

# -*- coding: utf-8 -*-
"""
Selenium loading module
"""
import os
import time
import psutil
import logging

from django.conf import settings

uralov

"""
Django signals example
"""

import logging
from django.dispatch import receiver
from django.dispatch import Signal
from django.db.models.signals import pre_save

from statistics.models import Client, Dealer

uralov

"""
Using lxml for a web pages scrapping
"""

def process_goods_page(self, document, url):
    """ Scrapping of goods on the html page """
    items = []

    if settings.DEBUG:
        try: