def install_package(pearl_env: PearlEnvironment, package: Package,
args: Namespace):
"""
Installs the Pearl package.
"""
if package.is_installed():
raise PackageAlreadyInstalledError(
'{} package is already installed.'.format(package))
messenger.print('{cyan}* {normal}Installing {pkg} package'.format(
cyan=Color.CYAN,
normal=Color.NORMAL,
pkg=package,
))
package.dir.mkdir(parents=True, exist_ok=True)
if package.is_local():
check_and_copy(Path(package.url), package.dir)
else:
quiet = "false" if args.verbose else "true"
script = dedent("""
install_git_repo {pkgurl} {pkgdir} "" {quiet}
""").format(pkgdir=package.dir, pkgurl=package.url, quiet=quiet)
run_pearl_bash(script,
pearl_env,
input=_DEFAULT_INPUT if args.no_confirm else None)
package.vardir.mkdir(parents=True, exist_ok=True)
hook = 'post_install'
try:
_run(
hook,
pearl_env,
package,
input=_DEFAULT_INPUT if args.no_confirm else None,
enable_xtrace=(args.verbose >= 2),
enable_errexit=(not args.force),
)
except Exception as exc:
msg = "Error while performing {} hook function. Rolling back...".format(
hook)
if args.force:
message = "{}: {}".format(msg, exc.args)
if args.verbose:
messenger.exception(message)
else:
messenger.error(message)
else:
args.force = True
remove_package(
pearl_env,
package,
args=args,
)
raise HookFunctionError(msg) from exc
def test_check_and_copy(tmp_path):
src_dir = tmp_path / 'src'
(src_dir / 'path1').mkdir(parents=True)
(src_dir / 'path1/file1').touch()
dst_dir = tmp_path / 'dst'
(dst_dir / 'path1').mkdir(parents=True)
(dst_dir / 'path1/fileold1').touch()
check_and_copy(src_dir, dst_dir)
assert not (dst_dir / 'path1/fileold1').exists()
assert (dst_dir / 'path1/file1').exists()
def test_check_and_copy_not_a_dir(tmp_path):
with pytest.raises(NotADirectoryError):
check_and_copy(tmp_path / 'not-a-dir', tmp_path)
def update_package(pearl_env: PearlEnvironment, package: Package,
args: Namespace):
"""
Updates the Pearl package.
"""
if not package.is_installed():
raise PackageNotInstalledError(
'{} package has not been installed.'.format(package))
messenger.print('{cyan}* {normal}Updating {pkg} package'.format(
cyan=Color.CYAN,
normal=Color.NORMAL,
pkg=package,
))
if package.has_url_changed():
messenger.info("The package URL for {} has changed to {}".format(
package.full_name, package.url))
messenger.info("Replacing the package with the new repository...")
remove_package(pearl_env, package, args)
install_package(pearl_env, package, args)
hook = 'pre_update'
try:
_run(
hook,
pearl_env,
package,
input=_DEFAULT_INPUT if args.no_confirm else None,
enable_xtrace=(args.verbose >= 2),
enable_errexit=(not args.force),
)
except Exception as exc:
msg = "Error while performing {} hook function".format(hook)
if not args.force:
raise HookFunctionError(msg) from exc
message = "{}: {}".format(msg, exc.args)
if args.verbose:
messenger.exception(message)
else:
messenger.error(message)
if package.is_local():
check_and_copy(Path(package.url), package.dir)
else:
quiet = "false" if args.verbose else "true"
script = dedent("""
update_git_repo {pkgdir} "" {quiet}
""").format(pkgdir=package.dir, quiet=quiet)
run_pearl_bash(script,
pearl_env,
input=_DEFAULT_INPUT if args.no_confirm else None)
hook = 'post_update'
try:
_run(
hook,
pearl_env,
package,
input=_DEFAULT_INPUT if args.no_confirm else None,
enable_xtrace=(args.verbose >= 2),
enable_errexit=(not args.force),
)
except Exception as exc:
msg = "Error while performing {} hook function".format(hook)
if not args.force:
raise HookFunctionError(msg) from exc
message = "{}: {}".format(msg, exc.args)
if args.verbose:
messenger.exception(message)
else:
messenger.error(message)