import re
from codecs import open  # to use a consistent encoding
from collections import OrderedDict
from os import path
from setuptools import setup

here = path.abspath(path.dirname(__file__))

# get versions from anymail/_version.py,
# but without importing from anymail (which would break setup)
with open(path.join(here, "anymail/_version.py"), encoding='utf-8') as f:
    code = compile(f.read(), "anymail/_version.py", 'exec')
    _version = {}
    exec(code, _version)
    version = _version["__version__"]  # X.Y or X.Y.Z or X.Y.Z.dev1 etc.
    release_tag = "v%s" % version  # vX.Y or vX.Y.Z


def long_description_from_readme(rst):
    # Freeze external links (on PyPI) to refer to this X.Y or X.Y.Z tag.
    # (This relies on tagging releases with 'vX.Y' or 'vX.Y.Z' in GitHub.)
    rst = re.sub(r'(?<=branch[=:])main'    # GitHub Actions build status: branch=main --> branch=vX.Y.Z
                 r'|(?<=/)stable'          # ReadTheDocs links: /stable --> /vX.Y.Z
                 r'|(?<=version=)stable',  # ReadTheDocs badge: version=stable --> version=vX.Y.Z
                 release_tag, rst)  # (?<=...) is "positive lookbehind": must be there, but won't get replaced
    return rst


with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
    long_description = long_description_from_readme(f.read())


# Additional requirements for development/build/release
requirements_dev = [
    "flake8",
    "sphinx",
    "sphinx-rtd-theme",
    "tox",
    "twine",
    "wheel",
]

# Additional requirements for running tests
requirements_test = []


setup(
    name="django-anymail",
    version=version,
    description='Django email backends and webhooks for Amazon SES, Mailgun, Mailjet, Mandrill, '
                'Postal, Postmark, SendGrid, SendinBlue, and SparkPost',
    keywords="Django, email, email backend, ESP, transactional mail, "
             "Amazon SES, Mailgun, Mailjet, Mandrill, Postal, Postmark, SendGrid, SendinBlue, SparkPost",
    author="Mike Edmunds and Anymail contributors",
    author_email="medmunds@gmail.com",
    url="https://github.com/anymail/django-anymail",
    license="BSD License",
    packages=["anymail"],
    zip_safe=False,
    python_requires='>=3.6',
    install_requires=["django>=2.0", "requests>=2.4.3"],
    extras_require={
        # This can be used if particular backends have unique dependencies.
        # For simplicity, requests is included in the base requirements.
        "amazon_ses": ["boto3"],
        "mailgun": [],
        "mailjet": [],
        "mandrill": [],
        "postmark": [],
        "sendgrid": [],
        "sendinblue": [],
        "sparkpost": [],
        "postal": ["cryptography"],
        # Development/test-only requirements (install with python -m pip -e '.[dev,test]')
        "dev": requirements_dev,
        "test": requirements_test,
    },
    include_package_data=True,
    test_suite="runtests.runtests",
    tests_require=requirements_test,
    classifiers=[
        "Development Status :: 5 - Production/Stable",
        "Programming Language :: Python",
        "Programming Language :: Python :: Implementation :: PyPy",
        "Programming Language :: Python :: Implementation :: CPython",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.6",
        "Programming Language :: Python :: 3.7",
        "Programming Language :: Python :: 3.8",
        "Programming Language :: Python :: 3.9",
        "Programming Language :: Python :: 3.10",
        "License :: OSI Approved :: BSD License",
        "Topic :: Communications :: Email",
        "Topic :: Software Development :: Libraries :: Python Modules",
        "Intended Audience :: Developers",
        "Framework :: Django",
        "Framework :: Django :: 3.0",
        "Framework :: Django :: 3.1",
        "Framework :: Django :: 3.2",
        "Framework :: Django :: 4.0",
        "Framework :: Django :: 4.1",
        "Environment :: Web Environment",
    ],
    long_description=long_description,
    long_description_content_type="text/x-rst",
    project_urls=OrderedDict([
        ("Documentation", "https://anymail.readthedocs.io/en/%s/" % release_tag),
        ("Source", "https://github.com/anymail/django-anymail"),
        ("Changelog", "https://anymail.readthedocs.io/en/%s/changelog/" % release_tag),
        ("Tracker", "https://github.com/anymail/django-anymail/issues"),
    ]),
)