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# frozen_string_literal: true
module LicenseFinder
class Pip
def current_packages
return legacy_results unless virtual_env?
dependencies = python.pip_licenses
dependencies.any? ? dependencies : legacy_results
end
def possible_package_paths
path = project_path || Pathname.pwd
[
path.join(@requirements_path),
path.join('setup.py')
]
end
def prepare
return install_packages if detected_package_path == @requirements_path
requirements_path = detected_package_path.dirname.join('requirements.txt')
requirements_path.write('.') unless requirements_path.exist?
install_packages
end
private
def python
@python ||= ::License::Management::Python.new
end
def install_packages
within_project_dir do
shell.execute(['virtualenv -p', python_executable, '--activators=bash --seeder=app-data .venv'])
shell.sh([". .venv/bin/activate", "&&", :pip, :install, '-i', python.pip_index_url, '-r', @requirements_path])
end
end
def python_executable
'"$(asdf where python)/bin/python"'
end
def virtual_env?
within_project_dir { File.exist?('.venv/bin/activate') }
end
def within_project_dir
Dir.chdir(project_path) { yield }
end
def shell
@shell ||= ::License::Management::Shell.new
end
def pypi
@pypi ||= Spandx::Python::PyPI.new(sources: [
Spandx::Python::Source.new({
'name' => 'pypi',
'url' => python.pip_index_url,
'verify_ssl' => true
})
])
end
def legacy_results
pip_output.map do |name, version, children, location|
spec = pypi.definition_for(name, version)
Package.new(
name,
version,
description: spec['description'],
homepage: spec['home_page'],
spec_licenses: PipPackage.license_names_from_spec(spec)
)
end
end
end
end
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