dmwyatt

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():

dmwyatt

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

dmwyatt

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

dmwyatt

import fnmatch
import os

matches = []
for root, dirnames, filenames in os.walk("src"):
    for filename in fnmatch.filter(filenames, "*.c"):
        matches.append(os.path.join(root, filename))

dmwyatt

// From http://stackoverflow.com/questions/1038746/equivalent-of-string-format-in-jquery

String.prototype.format = String.prototype.f = function() {
    var s = this,
        i = arguments.length;

    while (i--) {
        s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i]);
    }
    return s;

dmwyatt

# From http://tech.novapost.fr/django-unit-test-your-views-en.html
# or https://tech.people-doc.com/django-unit-test-your-views.html
#
# django test client is an integration test, not a unit test so we
# need a way to test views.
import unittest
from django.test import RequestFactory


def setup_view(view, request, *args, **kwargs):

dmwyatt

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
    """

dmwyatt

# 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")

dmwyatt

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
    """

dmwyatt

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="")