def activate(env_fname=None):
"""Read the conda environment file and activate the environment"""
log(ISSUES_MSG)
# Check for conda and get the binary path
try:
conda_bin = get_conda_bin()
except:
log(CONDA_NOT_FOUND, error=True)
return False
# Identify the right environment file, and exit if absent
env_fname = identify_env_file(env_fname=env_fname)
if env_fname is None:
log('Failed to detect a conda environment YML file. Skipping..',
error=True)
return False
else:
log('Detected conda environment file: ' + env_fname + "\n")
# Get the environment name from user input
env_name = extract_env_name(env_fname=env_fname)
if env_name is None:
log('Environment name not provided/detected. Skipping..')
return False
# Activate the environment
command = conda_bin + " activate " + env_name
log('Copy and execte the following command (try "source activate" if "conda activate doesn\'t work" )'
)
print(" " + command + " \n")
def install(env_fname=None, env_name=None):
"""Install packages for a cloned gist"""
# Check for conda and get the binary path
conda_bin = get_conda_bin()
# Identify the right environment file, and exit if absent
env_fname = identify_env_file(env_fname=env_fname)
if env_fname is None:
log('Failed to detect a conda environment YML file. Skipping..',
error=True)
return
else:
log('Detected conda environment file: ' + env_fname + "\n")
# Get the environment name from user input
env_name = request_env_name(env_name=env_name, env_fname=env_fname)
if env_name is None:
log('Environment name not provided/detected. Skipping..')
return
# Construct the command
command = conda_bin + ' env update --file "' + \
env_fname + '" --name "' + env_name + '"'
packages = extract_env_packages(env_fname=env_fname)
if len(packages) > 0:
success = run_command(command=command,
env_fname=env_fname,
packages=packages,
run=1)
if not success:
print('Some pip packages failed to install.')
print_conda_message(env_name=env_name)
def test_identify_env_file_exists(self):
os.system('touch environment.yml')
self.assertEqual(identify_env_file(env_fname=None), 'environment.yml')
os.system('rm environment.yml')
def test_identify_env_file_no_environment_file(self):
self.assertIsNone(identify_env_file(env_fname=None))
def test_identify_env_file_exists():
with fake_envfile():
assert identify_env_file(env_fname=None) == 'environment.yml'
def test_identify_env_file_no_environment_file():
with temp_directory():
assert identify_env_file(env_fname=None) == None