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frofrom typing import Union

from filetype.types import application, archive, audio, document, font, image, video

ImageFileType = Union[
    image.Dwg,
    image.Xcf,
    image.Jpeg,
    image.Jpx,
    image.Apng,

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import contextlib
import shutil
from pathlib import Path


@contextlib.contextmanager
def replace_file(orig, replace_with):
    if not replace_with.is_file():
        raise ValueError("{} does not exist.".format(replace_with))
    if orig.is_file():

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def is_exe(filepath):
    return os.path.isfile(filepath) and os.access(filepath, os.X_OK)

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import os
import hashlib


def hash_dir(path):
    """
    Create a hash out of a directory that handles renamed files.

    A hash of the contents of a file will not capture a hash of the filename.
    This function will add filenames to the hash so that we can know if a

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from django.forms.models import model_to_dict


class ModelDiffMixin(object):
    """
    A model mixin[1] that tracks model fields' values and provide some useful api
    to know what fields have been changed.

    [1] http://stackoverflow.com/questions/1355150/django-when-saving-how-can-you-check-if-a-field-has-changed
    """

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# urls.py
def register_routes(router, apps):
    """
    Register DRF router routes from urls.py in the provided apps.
    
    >>> router = routers.DefaultRouter()
	>>> register_routes(router, ['app1', 'app2', 'app3])
    """
	for app in apps:
		urls = importlib.import_module(app+".urls")

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class DictDiffer(object):
    """
    Calculate the difference between two dictionaries as:
    (1) items added
    (2) items removed
    (3) keys same in both but changed values
    (4) keys same in both and unchanged values

    http://stackoverflow.com/questions/1165352/fast-comparison-between-two-python-dictionary/1165552#1165552
    """

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def show_urls(urllist: list, indent_depth: int = 0, indent_char: str = " "):
    """
	Prints a list of urls for this project.

	:param urllist:  A list of url patterns.  Typically `urlpatterns` imported from `urls.py`
	:param indent_depth: How far to indent for each sub-level of urls
	:param indent_char: The charcter to use to indent.
	"""
    for entry in urllist:
        print(indent_char * indent_depth, entry.regex.pattern, end="")

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// 1. open chrome://settings/searchEngines
// 2. press Ctrl-Shift-J to open console
// 3. paste the following code
// note: you may have to run it multiple times to get rid of all of them

// If you have search engines you want to use add the text "(KEEP)" to their name
// and by name i mean the "Search engine" field when you add/edit one of the search engines
settings.SearchEnginesBrowserProxyImpl.prototype.getSearchEnginesList()
    .then(function (val) {
        

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import abc
import inspect
from collections import OrderedDict
from typing import Any, Mapping, Tuple, Union, Callable, MutableMapping, Sequence


class ValueUpdater(abc.ABC):
    """Base class for functions that update the value of another functions arguments.

    For usage with :func:`update_parameter_value`.