This is a convenient way to install packages in all conda environments

condawrapper.py

"""
This script help you to list your conda environments and install packages in multiples environments.

You need conda package manager installed (Anaconda/Miniconda) and Python Anaconda.

:Authors:
    Edward Villegas-Pulgarin <cosmoscalibur at gmail dot com>.
"""

#%%
import subprocess as sub

#%%
def conda_env_list():
    p = sub.Popen("conda env list", shell=True, stdout=sub.PIPE, encoding="utf-8")
    p.wait()
    out = p.communicate()[0].splitlines()
    envs = [out[line].split()[0] for line in range(2, len(out)-1)]
    return envs

#%%
def conda_env_install(envs, packages, confirm=True, channel="default"):
    TEMPLATE = "conda install {confirm} -c {channel} -n {env} {packages} "
    if isinstance(envs, str):
        envs = [envs]
    if isinstance(packages, list):
        packages = " ".join(packages)
    if confirm == True:
        confirm = "-y"
    else:
        confirm = ""
    for env in envs:
        cmd = TEMPLATE.format(confirm=confirm, packages=packages, \
            channel=channel, env=env)
        p = sub.Popen(cmd, shell=True, stdout=sub.PIPE, encoding="utf-8")
        p.wait()
        print(p.communicate()[0])

### Example (uncomment following lines and change packages)
#envs = conda_env_list()
#packages = ["git", "ffmpeg"]
#conda_env_install(envs, packages)