from distutils.version import LooseVersion as Version
import sys
OK = '\x1b[42m[ OK ]\x1b[0m'
FAIL = "\x1b[41m[FAIL]\x1b[0m"
try:
import importlib
except ImportError:
print(FAIL, "Python version 3.5 is required,"
" but %s is installed." % sys.version)
def import_version(pkg, min_ver, fail_msg=""):
mod = None
try:
mod = importlib.import_module(pkg)
ver = mod.__version__
if Version(ver) < min_ver:
print(FAIL, "%s version %s or higher required, but %s installed."
% (lib, min_ver, ver))
else:
print(OK, '%s version %s' % (pkg, ver))
except ImportError:
print(FAIL, '%s not installed. %s' % (pkg, fail_msg))
return mod
# first check the python version
print('Using python in', sys.prefix)
print(sys.version)
pyversion = Version(sys.version)
if pyversion < "3.5":
print(FAIL, "Python version 3.5 is required,"
" but %s is installed." % sys.version)
print()
requirements = {'numpy': "1.6.1", 'scipy': "1.0", 'matplotlib': "2.0",
'IPython': "3.0", 'sklearn': "0.22.1", 'pandas': "0.18"}
# now the dependencies
for lib, required_version in list(requirements.items()):
import_version(lib, required_version)