elif sys.version_info[0] == 3:
if sys.version_info[:2] < (3, 3):
#TODO - Turn off old buildbots/travis and make this an error?
print("WARNING - For Python 3, we strongly recommend Python 3.3.2 or later.")
if sys.version_info == (3, 3, 1):
print("WARNING - Rather than Python 3.3.1, we recommend Python 3.3.0, or 3.3.2, or later.")
import do2to3
python3_source = "build/py%i.%i" % sys.version_info[:2]
if "clean" in sys.argv:
if os.path.isdir(python3_source):
shutil.rmtree(python3_source)
del python3_source # so we don't try to change to it below
else:
if not os.path.isdir("build"):
os.mkdir("build")
do2to3.main(".", python3_source)
# Ugly hack to make pip work with Python 3, from 2to3 numpy setup:
# https://github.com/numpy/numpy/blob/bb726ca19f434f5055c0efceefe48d89469fcbbe/setup.py#L172
# Explanation: pip messes with __file__ which interacts badly with the
# change in directory due to the 2to3 conversion. Therefore we restore
# __file__ to what it would have been otherwise.
local_path = os.path.dirname(os.path.abspath(sys.argv[0]))
global __file__
__file__ = os.path.join(os.curdir, os.path.basename(__file__))
if '--egg-base' in sys.argv:
# Change pip-egg-info entry to absolute path, so pip can find it
# after changing directory.
idx = sys.argv.index('--egg-base')
if sys.argv[idx + 1] == 'pip-egg-info':
sys.argv[idx + 1] = os.path.join(local_path, 'pip-egg-info')
if sys.version_info[:2] < (2, 5):
print ("Biopython requires Python 2.5 or better (but not Python 3 " \
+ "yet). Python %d.%d detected" % sys.version_info[:2])
sys.exit(-1)
elif sys.version_info[0] == 3:
print("WARNING - Biopython does not yet officially support Python 3")
import do2to3
python3_source = "build/py%i.%i" % sys.version_info[:2]
if "clean" in sys.argv:
if os.path.isdir(python3_source):
shutil.rmtree(python3_source)
del python3_source #so we don't try to change to it below
else:
if not os.path.isdir("build"):
os.mkdir("build")
do2to3.main(".", python3_source)
# use setuptools, falling back on core modules if not found
try:
from setuptools import setup, Command
from setuptools.command.install import install
from setuptools.command.build_py import build_py
from setuptools.command.build_ext import build_ext
from setuptools.extension import Extension
_SETUPTOOLS = True
except ImportError:
from distutils.core import setup
from distutils.core import Command
from distutils.command.install import install
from distutils.command.build_py import build_py
from distutils.command.build_ext import build_ext