def test_create_env():
env = create_env(default_cfg)
assert len(tuple(installed_options(env))) == 0
cfg = dict(default_cfg)
cfg['base'] = dict(a=1, b=2)
env = create_env(cfg)
assert len(tuple(installed_options(env))) == 1
assert env.globals['base'].a == 1
assert env.globals['base'].b == 2
def requirements(env, requirement_name):
"""Check all requirements for installed options.
Args:
env (jinja2.Environment):
requirement_name (str): type of requirement 'install', 'dvlpt'
Returns:
(list of str): list of required packages names
"""
reqs = set()
for name in installed_options(env):
try:
opt_req = import_module("pkglts.option.%s.require" % name)
reqs.update(getattr(opt_req, requirement_name))
except ImportError:
raise KeyError("option '%s' does not exists" % name)
return sorted(reqs)
