def test_required_by(tmp_path):
home_dir = create_pearl_home(tmp_path)
packages_info = {
"repo-test": {
"pkg-test": {
"repo_name": "repo-test",
"name": "pkg-test",
"url": "/blah",
"depends": ["repo-test/pkg-test2"]
},
"pkg-test2": {
"repo_name": "repo-test",
"name": "pkg-test2",
"url": "/blah",
"depends": []
}
}
}
builder = PackageBuilder(home_dir)
packages = builder.build_packages(packages_info)
pearl_env = PearlEnvironment(home_dir, env_initialized=False)
pearl_env._packages = packages
requires = pearl_env.required_by(
Package(home_dir, "repo-test", "pkg-test2", "/blah"))
assert requires[0].full_name == 'repo-test/pkg-test'
def remove_packages(pearl_env: PearlEnvironment, args: Namespace):
package_list = list(closure_dependency_tree(args.packages))
package_list.reverse()
for package in package_list:
if package not in args.packages:
continue
requires = [
r for r in pearl_env.required_by(package) if r.is_installed()
]
remaining_requires = set(requires).difference(args.packages)
if remaining_requires:
raise PackageRequiredByOtherError(
'Package {} cannot be removed because is required by other packages: {}'
.format(package, [str(r) for r in remaining_requires]))
remove_package(pearl_env, package, args)
def info_package(pearl_env: PearlEnvironment, package: Package,
args: Namespace):
"""
Provide info about a package.
"""
requires = pearl_env.required_by(package)
messenger.print(
dedent("""
{cyan}Name{normal}: {full_name}
{cyan}Description{normal}: {description}
{cyan}Homepage{normal}: {homepage}
{cyan}URL{normal}: {url}
{cyan}Author{normal}: {author}
{cyan}License{normal}: {license}
{cyan}Operating Systems{normal}: {os}
{cyan}Keywords{normal}: {keywords}
{cyan}Installed{normal}: {installed}
{cyan}Pkg Directory{normal}: {pkg_dir}
{cyan}Var Directory{normal}: {var_dir}
{cyan}Depends on{normal}: {depends}
{cyan}Required by{normal}: {requires}
""".format(
cyan=Color.CYAN,
normal=Color.NORMAL,
full_name=package.full_name,
description=package.description,
homepage=package.homepage,
url=package.url,
author=package.author,
license=package.license,
os=tuple(o.name.lower() for o in package.os),
keywords=package.keywords,
installed=package.is_installed(),
pkg_dir=package.dir,
var_dir=package.vardir,
depends=tuple(d.full_name for d in package.depends),
requires=tuple(r.full_name for r in requires),
)))
return package, requires
