gauravvjn’s gists

gauravvjn / gasbuddy.py

Last active March 31, 2024 12:23


	# obfuscated code

	# install lxml, requests, seleniumbase

	# python = "3.12"
	# selenium = "4.18.1"
	# beautifulsoup4 = "4.12.3"
	# seleniumbase = "4.24.12"
	# requests = "2.31.0"

gauravvjn / datetime_field_timezone_aware.py

Last active March 20, 2024 12:06

Make Django model's DateTime fields timezone aware by calling this function in models class. Django doesn't automatically make those fields timezone aware, especially the auto_now and auto_now_add ones. This method will make ALL DateTime fields in the model timezone aware

	from django.conf import settings
	from django.utils import timezone

	import pytz


	class ModelMixin:
	def make_datetime_fields_value_timezone_aware(self):
	# HACK: Monkey patching to fix TypeError for existing data in DB
	# TypeError: can't compare offset-naive and offset-aware datetimes

gauravvjn / import_all_items_from_all_modules_in_a_package.py

Created December 26, 2023 06:31

	def import_all_items_from_all_modules_in_a_package():
	"""
	Put and call this function in the __init__.py file of the package.

	This function dynamically loads all non-private classes, functions & variables from all modules
	with in the current package. this is equivalent to below
	```
	from .abc import *
	from .xyz import *
	.

gauravvjn / fibonacci_list_tail_recursion.py

Created May 31, 2018 06:44

Get a list of N fibonacci numbers using tail recursion

	"""
	Fibonacci Number list using tail recursion
	"""

	def fib_list(n, a, b, r):
	if n == 0: return [1]
	elif n < 0: return []
	r.append(a + b)
	fib(n-1, b, a + b, r)
	return r

gauravvjn / flatten_list.py

Created May 1, 2018 13:23

flatten a python list of lists

	# source: flatten = lambda x: [y for l in x for y in flatten(l)] if type(x) is list else [x]

	def flatten(x):
	if type(x) == list:
	a = []
	for l in x:
	for y in flatten(l):
	a.append(y)
	return a
	else:

gauravvjn / manage.py

Last active September 6, 2018 08:06

Dynamic env variables load from .env file while executing manage.py <command>

	#!/usr/bin/env python
	import os
	import sys

	if __name__ == "__main__":
	os.environ.setdefault("DJANGO_SETTINGS_MODULE", "src.settings.base")

	from django.core.management import execute_from_command_line

	# ---------- 5 lines ------------

gauravvjn / dict_filter_using_map_dict.py

Created April 19, 2018 10:31

Source nested Dictionary filtering based on mapping dict whose all keys are present in Source dictionary in the same structure

	def filter_dict(src_dict, mapping_dict):
	for k, v in list(src_dict.items()):
	if k not in mapping_dict:
	del src_dict[k]
	elif isinstance(v, dict) and isinstance(mapping_dict[k], dict):
	src_dict[k] = filter_dict(v, mapping_dict[k])
	return src_dict


	# ------------------------ TEST ------------------------

gauravvjn / create_sha256_signature.py

Last active February 7, 2022 23:58

Create HMAC SHA256 signature/encryption/encode

	"""
	https://gist.github.com/Azadehkhojandi/50eaae4cf20b21faef186f2c8ee97873
	"""

	import hmac
	import hashlib
	import binascii


	def create_sha256_signature(key, message):

gauravvjn / admin.py

Last active August 17, 2023 20:27

Use JSONField properties in Django admin filter Raw

	"""
	More details on the implementation and usage can be found at
	https://www.pyscoop.com/django-jsonfield-attributes-in-admin-filter/
	"""

	from django.contrib import admin
	from django.core.exceptions import ImproperlyConfigured


	class JSONFieldFilter(admin.SimpleListFilter):

gauravvjn / swagger_utils.py

Last active August 25, 2017 10:18

	import yaml

	from rest_framework.compat import coreapi, urlparse
	from rest_framework.schemas import SchemaGenerator
	from rest_framework_swagger import renderers
	from rest_framework.response import Response
	from rest_framework.views import APIView
	from rest_framework import exceptions
	from rest_framework.permissions import AllowAny

Gaurav Jain gauravvjn