get requirements from current conda env

get-reqs.py

from __future__ import unicode_literals
from __future__ import print_function

import json
import subprocess


libs = json.loads(subprocess.check_output('conda list -e --json', shell=True))
lines = []
for name in libs:
    lines.append('-'.join(name.split('-')[:-2]) + '\n')
with open('requirements.txt', 'w') as f:
    f.writelines(lines)