#!/usr/bin/env python
# Licensed under a 3-clause BSD style license - see LICENSE.rst
# Note: This file needs to be Python 2 / <3.6 compatible, so that the nice
# "This package only supports Python 3.x+" error prints without syntax errors etc.

import glob
import os
import sys

try:
    from configparser import ConfigParser
except ImportError:
    from ConfigParser import ConfigParser

# Get some values from the setup.cfg
conf = ConfigParser()
conf.read(["setup.cfg"])
metadata = dict(conf.items("metadata"))

PACKAGENAME = metadata.get("package_name", "pysm")
DESCRIPTION = metadata.get(
    "description", "Python Sky Model for Microwave and Submm experiments"
)
AUTHOR = metadata.get(
    "author", "Ben Thorne, David Alonso, Sigurd Naess, Jo Dunkley, Andrea Zonca"
)
AUTHOR_EMAIL = metadata.get("author_email", "")
LICENSE = metadata.get("license", "unknown")
URL = metadata.get("url", "https://github.com/healpy/pysm")
__minimum_python_version__ = metadata.get("minimum_python_version", "3.5")

# Enforce Python version check - this is the same check as in __init__.py but
# this one has to happen before importing ah_bootstrap.
if sys.version_info < tuple(
    (int(val) for val in __minimum_python_version__.split("."))
):
    sys.stderr.write(
        "ERROR: pysm requires Python {} or later\n".format(__minimum_python_version__)
    )
    sys.exit(1)

# Import ah_bootstrap after the python version validation

import ah_bootstrap
from setuptools import setup

import builtins

builtins._ASTROPY_SETUP_ = True

from astropy_helpers.setup_helpers import (
    register_commands,
    get_debug_option,
    get_package_info,
)
from astropy_helpers.git_helpers import get_git_devstr
from astropy_helpers.version_helpers import generate_version_py


# order of priority for long_description:
#   (1) set in setup.cfg,
#   (2) load LONG_DESCRIPTION.rst,
#   (3) load README.rst,
#   (4) package docstring
readme_glob = "README*"
_cfg_long_description = metadata.get("long_description", "")
if _cfg_long_description:
    LONG_DESCRIPTION = _cfg_long_description

elif os.path.exists("LONG_DESCRIPTION.rst"):
    with open("LONG_DESCRIPTION.rst") as f:
        LONG_DESCRIPTION = f.read()

elif len(glob.glob(readme_glob)) > 0:
    with open(glob.glob(readme_glob)[0]) as f:
        LONG_DESCRIPTION = f.read()

else:
    # Get the long description from the package's docstring
    __import__(PACKAGENAME)
    package = sys.modules[PACKAGENAME]
    LONG_DESCRIPTION = package.__doc__

# Store the package name in a built-in variable so it's easy
# to get from other parts of the setup infrastructure
builtins._ASTROPY_PACKAGE_NAME_ = PACKAGENAME

# VERSION should be PEP440 compatible (http://www.python.org/dev/peps/pep-0440)
VERSION = metadata.get("version", "0.0.dev")

# Indicates if this version is a release version
RELEASE = "dev" not in VERSION

if not RELEASE:
    VERSION += get_git_devstr(False)

# Populate the dict of setup command overrides; this should be done before
# invoking any other functionality from distutils since it can potentially
# modify distutils' behavior.
cmdclassd = register_commands(PACKAGENAME, VERSION, RELEASE)

# Freeze build information in version.py
generate_version_py(PACKAGENAME, VERSION, RELEASE, get_debug_option(PACKAGENAME))

# Treat everything in scripts except README* as a script to be installed
scripts = [
    fname
    for fname in glob.glob(os.path.join("scripts", "*"))
    if not os.path.basename(fname).startswith("README")
]


# Get configuration information from all of the various subpackages.
# See the docstring for setup_helpers.update_package_files for more
# details.
package_info = get_package_info()

# Add the project-global data
package_info["package_data"].setdefault(PACKAGENAME, [])
package_info["package_data"][PACKAGENAME].append("data/*")

# Define entry points for command-line scripts
entry_points = {"console_scripts": []}

if conf.has_section("entry_points"):
    entry_point_list = conf.items("entry_points")
    for entry_point in entry_point_list:
        entry_points["console_scripts"].append(
            "{0} = {1}".format(entry_point[0], entry_point[1])
        )

# Include all .c files, recursively, including those generated by
# Cython, since we can not do this in MANIFEST.in with a "dynamic"
# directory name.
c_files = []
for root, dirs, files in os.walk(PACKAGENAME):
    for filename in files:
        if filename.endswith(".c"):
            c_files.append(os.path.join(os.path.relpath(root, PACKAGENAME), filename))
package_info["package_data"][PACKAGENAME].extend(c_files)

# Note that requires and provides should not be included in the call to
# ``setup``, since these are now deprecated. See this link for more details:
# https://groups.google.com/forum/#!topic/astropy-dev/urYO8ckB2uM

setup(
    name="pysm3",
    version=VERSION,
    description=DESCRIPTION,
    scripts=scripts,
    install_requires=[
        s.strip() for s in metadata.get("install_requires", "astropy").split(",")
    ],
    author=AUTHOR,
    author_email=AUTHOR_EMAIL,
    license=LICENSE,
    url=URL,
    long_description=LONG_DESCRIPTION,
    cmdclass=cmdclassd,
    zip_safe=False,
    use_2to3=False,
    entry_points=entry_points,
    python_requires=">={}".format(__minimum_python_version__),
    **package_info
)
