mirror of
https://github.com/cookiecutter/cookiecutter-django.git
synced 2024-12-01 22:14:08 +03:00
435 lines
13 KiB
Python
435 lines
13 KiB
Python
"""
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NOTE:
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the below code is to be maintained Python 2.x-compatible
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as the whole Cookiecutter Django project initialization
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can potentially be run in Python 2.x environment
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(at least so we presume in `pre_gen_project.py`).
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TODO: restrict Cookiecutter Django project initialization to
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Python 3.x environments only
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"""
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from __future__ import print_function
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import os
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import random
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import shutil
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import string
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os.chdir('../scripts/')
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from update_licenses import titles_dict
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try:
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# Inspired by
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# https://github.com/django/django/blob/master/django/utils/crypto.py
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random = random.SystemRandom()
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using_sysrandom = True
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except NotImplementedError:
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using_sysrandom = False
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TERMINATOR = "\x1b[0m"
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WARNING = "\x1b[1;33m [WARNING]: "
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INFO = "\x1b[1;33m [INFO]: "
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HINT = "\x1b[3;33m"
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SUCCESS = "\x1b[1;32m [SUCCESS]: "
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DEBUG_VALUE = "debug"
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def remove_pycharm_files():
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idea_dir_path = ".idea"
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if os.path.exists(idea_dir_path):
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shutil.rmtree(idea_dir_path)
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docs_dir_path = os.path.join("docs", "pycharm")
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if os.path.exists(docs_dir_path):
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shutil.rmtree(docs_dir_path)
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def remove_docker_files():
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shutil.rmtree("compose")
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file_names = ["local.yml", "production.yml", ".dockerignore"]
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for file_name in file_names:
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os.remove(file_name)
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if "{{ cookiecutter.use_pycharm }}".lower() == "y":
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file_names = ["docker_compose_up_django.xml", "docker_compose_up_docs.xml"]
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for file_name in file_names:
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os.remove(os.path.join(".idea", "runConfigurations", file_name))
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def remove_utility_files():
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shutil.rmtree("utility")
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def remove_heroku_files():
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file_names = ["Procfile", "runtime.txt", "requirements.txt"]
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for file_name in file_names:
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if (
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file_name == "requirements.txt"
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and "{{ cookiecutter.ci_tool }}".lower() == "travis"
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):
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# don't remove the file if we are using travisci but not using heroku
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continue
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os.remove(file_name)
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remove_heroku_build_hooks()
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def remove_heroku_build_hooks():
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shutil.rmtree("bin")
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def remove_gulp_files():
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file_names = ["gulpfile.js"]
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for file_name in file_names:
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os.remove(file_name)
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remove_sass_files()
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def remove_sass_files():
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shutil.rmtree(os.path.join("{{cookiecutter.project_slug}}", "static", "sass"))
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def remove_packagejson_file():
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file_names = ["package.json"]
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for file_name in file_names:
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os.remove(file_name)
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def remove_celery_files():
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file_names = [
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os.path.join("config", "celery_app.py"),
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os.path.join("{{ cookiecutter.project_slug }}", "users", "tasks.py"),
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os.path.join(
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"{{ cookiecutter.project_slug }}", "users", "tests", "test_tasks.py"
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),
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]
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for file_name in file_names:
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os.remove(file_name)
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def remove_async_files():
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file_names = [
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os.path.join("config", "asgi.py"),
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os.path.join("config", "websocket.py"),
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]
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for file_name in file_names:
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os.remove(file_name)
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def remove_dottravisyml_file():
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os.remove(".travis.yml")
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def remove_dotgitlabciyml_file():
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os.remove(".gitlab-ci.yml")
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def remove_dotgithub_folder():
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shutil.rmtree(".github")
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def generate_random_string(
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length, using_digits=False, using_ascii_letters=False, using_punctuation=False
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):
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"""
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Example:
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opting out for 50 symbol-long, [a-z][A-Z][0-9] string
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would yield log_2((26+26+50)^50) ~= 334 bit strength.
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"""
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if not using_sysrandom:
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return None
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symbols = []
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if using_digits:
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symbols += string.digits
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if using_ascii_letters:
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symbols += string.ascii_letters
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if using_punctuation:
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all_punctuation = set(string.punctuation)
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# These symbols can cause issues in environment variables
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unsuitable = {"'", '"', "\\", "$"}
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suitable = all_punctuation.difference(unsuitable)
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symbols += "".join(suitable)
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return "".join([random.choice(symbols) for _ in range(length)])
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def set_flag(file_path, flag, value=None, formatted=None, *args, **kwargs):
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if value is None:
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random_string = generate_random_string(*args, **kwargs)
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if random_string is None:
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print(
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"We couldn't find a secure pseudo-random number generator on your "
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"system. Please, make sure to manually {} later.".format(flag)
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)
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random_string = flag
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if formatted is not None:
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random_string = formatted.format(random_string)
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value = random_string
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with open(file_path, "r+") as f:
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file_contents = f.read().replace(flag, value)
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f.seek(0)
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f.write(file_contents)
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f.truncate()
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return value
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def set_django_secret_key(file_path):
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django_secret_key = set_flag(
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file_path,
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"!!!SET DJANGO_SECRET_KEY!!!",
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length=64,
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using_digits=True,
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using_ascii_letters=True,
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)
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return django_secret_key
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def set_django_admin_url(file_path):
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django_admin_url = set_flag(
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file_path,
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"!!!SET DJANGO_ADMIN_URL!!!",
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formatted="{}/",
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length=32,
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using_digits=True,
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using_ascii_letters=True,
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)
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return django_admin_url
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def generate_random_user():
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return generate_random_string(length=32, using_ascii_letters=True)
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def generate_postgres_user(debug=False):
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return DEBUG_VALUE if debug else generate_random_user()
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def set_postgres_user(file_path, value):
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postgres_user = set_flag(file_path, "!!!SET POSTGRES_USER!!!", value=value)
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return postgres_user
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def set_postgres_password(file_path, value=None):
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postgres_password = set_flag(
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file_path,
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"!!!SET POSTGRES_PASSWORD!!!",
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value=value,
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length=64,
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using_digits=True,
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using_ascii_letters=True,
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)
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return postgres_password
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def set_celery_flower_user(file_path, value):
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celery_flower_user = set_flag(
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file_path, "!!!SET CELERY_FLOWER_USER!!!", value=value
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)
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return celery_flower_user
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def set_celery_flower_password(file_path, value=None):
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celery_flower_password = set_flag(
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file_path,
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"!!!SET CELERY_FLOWER_PASSWORD!!!",
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value=value,
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length=64,
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using_digits=True,
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using_ascii_letters=True,
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)
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return celery_flower_password
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def append_to_gitignore_file(ignored_line):
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with open(".gitignore", "a") as gitignore_file:
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gitignore_file.write(ignored_line)
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gitignore_file.write("\n")
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def set_flags_in_envs(postgres_user, celery_flower_user, debug=False):
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local_django_envs_path = os.path.join(".envs", ".local", ".django")
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production_django_envs_path = os.path.join(".envs", ".production", ".django")
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local_postgres_envs_path = os.path.join(".envs", ".local", ".postgres")
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production_postgres_envs_path = os.path.join(".envs", ".production", ".postgres")
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set_django_secret_key(production_django_envs_path)
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set_django_admin_url(production_django_envs_path)
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set_postgres_user(local_postgres_envs_path, value=postgres_user)
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set_postgres_password(
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local_postgres_envs_path, value=DEBUG_VALUE if debug else None
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)
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set_postgres_user(production_postgres_envs_path, value=postgres_user)
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set_postgres_password(
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production_postgres_envs_path, value=DEBUG_VALUE if debug else None
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)
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set_celery_flower_user(local_django_envs_path, value=celery_flower_user)
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set_celery_flower_password(
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local_django_envs_path, value=DEBUG_VALUE if debug else None
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)
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set_celery_flower_user(production_django_envs_path, value=celery_flower_user)
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set_celery_flower_password(
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production_django_envs_path, value=DEBUG_VALUE if debug else None
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)
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def set_flags_in_settings_files():
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set_django_secret_key(os.path.join("config", "settings", "local.py"))
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set_django_secret_key(os.path.join("config", "settings", "test.py"))
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def remove_envs_and_associated_files():
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shutil.rmtree(".envs")
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os.remove("merge_production_dotenvs_in_dotenv.py")
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def remove_celery_compose_dirs():
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shutil.rmtree(os.path.join("compose", "local", "django", "celery"))
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shutil.rmtree(os.path.join("compose", "production", "django", "celery"))
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def remove_node_dockerfile():
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shutil.rmtree(os.path.join("compose", "local", "node"))
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def remove_aws_dockerfile():
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shutil.rmtree(os.path.join("compose", "production", "aws"))
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def remove_drf_starter_files():
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os.remove(os.path.join("config", "api_router.py"))
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shutil.rmtree(os.path.join("{{cookiecutter.project_slug}}", "users", "api"))
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os.remove(
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os.path.join(
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"{{cookiecutter.project_slug}}", "users", "tests", "test_drf_urls.py"
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)
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)
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os.remove(
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os.path.join(
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"{{cookiecutter.project_slug}}", "users", "tests", "test_drf_views.py"
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)
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)
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os.remove(
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os.path.join(
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"{{cookiecutter.project_slug}}", "users", "tests", "test_swagger.py"
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)
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)
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def remove_storages_module():
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os.remove(os.path.join("{{cookiecutter.project_slug}}", "utils", "storages.py"))
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def handle_licenses():
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special_license_files = {
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"European Union Public License 1.1": "COPYING",
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"GNU General Public License v3.0": "COPYING",
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"GNU Lesser General Public License v3.0": "COPYING.LESSER",
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"The Unlicense": "UNLICENSE",
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}
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with open(os.path.join("licenses", "-temporary-placeholder.txt")) as f:
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selected_title = f.readline()
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# access the title to filename dictionary to find the correct file
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# using a dictionary instead of looping reduces time complexity
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with open(os.path.join("licenses", titles_dict[selected_title])) as f:
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contents = f.readlines()
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with open(special_license_files.get(titles_dict[selected_title], "LICENSE"), "w") as f:
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# +2 to get rid of the --- and and an extra new line
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f.writelines(contents[contents.index("---\n", 1) + 2:])
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if selected_title == "Not open source":
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os.remove("CONTRIBUTORS.txt")
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shutil.rmtree("licenses")
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def main():
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debug = "{{ cookiecutter.debug }}".lower() == "y"
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set_flags_in_envs(
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DEBUG_VALUE if debug else generate_random_user(),
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DEBUG_VALUE if debug else generate_random_user(),
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debug=debug,
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)
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set_flags_in_settings_files()
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handle_licenses()
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if "{{ cookiecutter.use_pycharm }}".lower() == "n":
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remove_pycharm_files()
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if "{{ cookiecutter.use_docker }}".lower() == "y":
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remove_utility_files()
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else:
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remove_docker_files()
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if (
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"{{ cookiecutter.use_docker }}".lower() == "y"
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and "{{ cookiecutter.cloud_provider}}" != "AWS"
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):
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remove_aws_dockerfile()
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if "{{ cookiecutter.use_heroku }}".lower() == "n":
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remove_heroku_files()
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elif "{{ cookiecutter.frontend_pipeline }}" != "Django Compressor":
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remove_heroku_build_hooks()
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if (
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"{{ cookiecutter.use_docker }}".lower() == "n"
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and "{{ cookiecutter.use_heroku }}".lower() == "n"
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):
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if "{{ cookiecutter.keep_local_envs_in_vcs }}".lower() == "y":
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print(
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INFO + ".env(s) are only utilized when Docker Compose and/or "
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"Heroku support is enabled so keeping them does not "
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"make sense given your current setup." + TERMINATOR
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)
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remove_envs_and_associated_files()
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else:
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append_to_gitignore_file(".env")
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append_to_gitignore_file(".envs/*")
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if "{{ cookiecutter.keep_local_envs_in_vcs }}".lower() == "y":
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append_to_gitignore_file("!.envs/.local/")
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if "{{ cookiecutter.frontend_pipeline }}" != "Gulp":
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remove_gulp_files()
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remove_packagejson_file()
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if "{{ cookiecutter.use_docker }}".lower() == "y":
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remove_node_dockerfile()
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if "{{ cookiecutter.cloud_provider}}" == "None":
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print(
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WARNING + "You chose not to use a cloud provider, "
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"media files won't be served in production." + TERMINATOR
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)
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remove_storages_module()
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if "{{ cookiecutter.use_celery }}".lower() == "n":
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remove_celery_files()
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if "{{ cookiecutter.use_docker }}".lower() == "y":
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remove_celery_compose_dirs()
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if "{{ cookiecutter.ci_tool }}" != "Travis":
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remove_dottravisyml_file()
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if "{{ cookiecutter.ci_tool }}" != "Gitlab":
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remove_dotgitlabciyml_file()
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if "{{ cookiecutter.ci_tool }}" != "Github":
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remove_dotgithub_folder()
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if "{{ cookiecutter.use_drf }}".lower() == "n":
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remove_drf_starter_files()
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if "{{ cookiecutter.use_async }}".lower() == "n":
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remove_async_files()
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print(SUCCESS + "Project initialized, keep up the good work!" + TERMINATOR)
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if __name__ == "__main__":
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main()
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