#!/usr/bin/env python
"""
elasticapm
======

elastic-apm is a Python client for `Elastic APM <https://elastic.co/apm>`_. It provides
full out-of-the-box support for many of the popular frameworks, including
`Django <djangoproject.com>`_, `Flask <http://flask.pocoo.org/>`_, and `Pylons
<http://www.pylonsproject.org/>`_. elastic-apm also includes drop-in support for any
`WSGI <http://wsgi.readthedocs.org/>`_-compatible web application.
"""

#  BSD 3-Clause License
#
#  Copyright (c) 2019, Elasticsearch BV
#  All rights reserved.
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#  modification, are permitted provided that the following conditions are met:
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#    list of conditions and the following disclaimer.
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#    this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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import ast
import os

from setuptools import setup

try:
    import importlib.metadata

    importlib.metadata.requires("setuptools")
except ImportError:
    import pkg_resources

    pkg_resources.require("setuptools")


def get_version():
    """
    Get version without importing from elasticapm. This avoids any side effects
    from importing while installing and/or building the module

    Once Python 3.8 is the lowest supported version, we could consider hardcoding
    the version in setup.cfg instead. 3.8 comes with importlib.metadata, which makes
    it trivial to find the version of a package, making it unnecessary to
    have the version available in code.

    :return: a string, indicating the version
    """
    version_file = open(os.path.join("elasticapm", "version.py"), encoding="utf-8")
    for line in version_file:
        if line.startswith("__version__"):
            version_tuple = ast.literal_eval(line.split(" = ")[1])
            version_str = ".".join(map(str, version_tuple))
            post_version = os.getenv("ELASTIC_CI_POST_VERSION")
            if post_version:
                return f"{version_str}.post{post_version}"
            return version_str
    return "unknown"


setup(version=get_version())
