def find_installed_packages(package_specifier):
r = []
cat = catalogue.read(catalogue_path)
for package in cat[package_specifier.project]:
if package_specifier.match(package):
r.append(package)
return r
def get_selected_packages():
installed = set(repository.get_packages())
segment = catalogue.read(segment_path)
for project_id, packages in segment.items():
for package in packages:
if package in installed:
yield package
def uninstall(package_specifier):
"""Uninstall a package."""
packages = find_installed_packages(package_specifier)
if packages:
cat = catalogue.read(catalogue_path)
for package in packages:
select.deselect_package(package)
uninstaller(package)
cat[package.project.id].remove(package)
catalogue.write(catalogue_path, cat)
else:
return error("Not installed.")
def get_packages():
r = []
cat = catalogue.read(catalogue_path)
for project, packages in cat.items():
r.extend(packages)
return r
