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 remove_pearl(pearl_env: PearlEnvironment, args: Namespace):
"""
Removes completely the Pearl environment.
"""
for repo_name, repo_packages in pearl_env.packages.items():
if ask(f"Are you sure to REMOVE all the installed packages in {repo_name} repository?",
yes_as_default_answer=False,
no_confirm=args.no_confirm):
package_list = []
for _, package in repo_packages.items():
if package.is_installed():
package_list.append(package)
args.packages = package_list
remove_packages(pearl_env, args=args)
if ask("Are you sure to REMOVE all the Pearl hooks?",
yes_as_default_answer=False,
no_confirm=args.no_confirm):
unapply(f"source {pearl_env.home}/boot/sh/pearl.sh",
f"{os.environ['HOME']}/.bashrc")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Deactivated Pearl for Bash')
unapply(f"source {pearl_env.home}/boot/sh/pearl.sh",
f"{os.environ['HOME']}/.zshrc")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Deactivated Pearl for Zsh')
unapply(f"source {pearl_env.home}/boot/fish/pearl.fish",
f"{os.environ['HOME']}/.config/fish/config.fish")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Deactivated Pearl for Fish shell')
unapply(f"source {pearl_env.home}/boot/vim/pearl.vim",
f"{os.environ['HOME']}/.vimrc")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Deactivated Pearl for Vim editor')
unapply(f"(load-file \"{pearl_env.home}/boot/emacs/pearl.el\")",
f"{os.environ['HOME']}/.emacs")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Deactivated Pearl for Emacs editor')
if ask("Are you sure to REMOVE the Pearl config $PEARL_HOME directory (NOT RECOMMENDED)?",
yes_as_default_answer=False,
no_confirm=args.no_confirm):
shutil.rmtree(str(pearl_env.home))
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
def remove_package(pearl_env: PearlEnvironment, package: Package,
args: Namespace):
"""
Remove the Pearl package.
"""
if not package.is_installed():
raise PackageNotInstalledError(
'{} package has not been installed.'.format(package))
messenger.print('{cyan}* {normal}Removing {pkg} package'.format(
cyan=Color.CYAN,
normal=Color.NORMAL,
pkg=package,
))
hook = 'pre_remove'
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)
shutil.rmtree(str(package.dir))
def list_packages(pearl_env: PearlEnvironment, args: Namespace):
"""
Lists or searches Pearl packages.
"""
uninstalled_packages = []
installed_packages = []
pattern = args.pattern if hasattr(args, 'pattern') else ".*"
regex = re.compile('{}'.format(pattern), flags=re.IGNORECASE)
for _, repo_packages in pearl_env.packages.items():
for _, package in repo_packages.items():
if not regex.search(package.full_name) \
and not regex.search(package.description) \
and all([regex.search(key) is None for key in package.keywords]):
continue
if package.is_installed():
installed_packages.append(package)
else:
uninstalled_packages.append(package)
total_packages = uninstalled_packages + installed_packages
for package in total_packages:
if args.package_only:
template = "{reponame}/{package}"
messenger.print(
template.format(
reponame=package.repo_name,
package=package.name,
))
else:
label = "[installed]" if package.is_installed() else ""
template = "{pink}{{reponame}}/{cyan}{{package}} {{installed}}{normal}".format(
pink=Color.PINK,
cyan=Color.CYAN,
normal=Color.NORMAL,
)
messenger.print(
template.format(
reponame=package.repo_name,
package=package.name,
installed=label,
))
messenger.print(" {}".format(package.description))
return total_packages
def init_pearl(pearl_env: PearlEnvironment, _: Namespace):
"""
Initializes the Pearl environment by setting up the PEARL_HOME files and directories and the `pearl.conf` file.
"""
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Setting up $PEARL_HOME directory as {pearl_env.home}'
)
(pearl_env.home / 'bin').mkdir(parents=True, exist_ok=True)
(pearl_env.home / 'packages').mkdir(parents=True, exist_ok=True)
(pearl_env.home / 'repos').mkdir(parents=True, exist_ok=True)
(pearl_env.home / 'var').mkdir(parents=True, exist_ok=True)
static = Path(pkg_resources.resource_filename('pearllib', 'static/'))
if (pearl_env.home / 'boot').exists():
(pearl_env.home / 'boot').unlink()
(pearl_env.home / 'boot').symlink_to(static / 'boot')
if not pearl_env.config_filename.exists():
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Creating the Pearl configuration file {pearl_env.config_filename} from template $PEARL_HOME'
)
pearl_env.config_filename.parent.mkdir(parents=True, exist_ok=True)
pearl_conf_template = static / 'templates/pearl.conf.template'
shutil.copyfile(str(pearl_conf_template),
str(pearl_env.config_filename))
apply(f"source {pearl_env.home}/boot/sh/pearl.sh",
f"{os.environ['HOME']}/.bashrc")
messenger.print(f'{Color.CYAN}* {Color.NORMAL}Activated Pearl for Bash')
apply(f"source {pearl_env.home}/boot/sh/pearl.sh",
f"{os.environ['HOME']}/.zshrc")
messenger.print(f'{Color.CYAN}* {Color.NORMAL}Activated Pearl for Zsh')
apply(f"source {pearl_env.home}/boot/fish/pearl.fish",
f"{os.environ['HOME']}/.config/fish/config.fish")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Activated Pearl for Fish shell')
apply(f"source {pearl_env.home}/boot/vim/pearl.vim",
f"{os.environ['HOME']}/.vimrc")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Activated Pearl for Vim editor')
apply(f"(load-file \"{pearl_env.home}/boot/emacs/pearl.el\")",
f"{os.environ['HOME']}/.emacs")
messenger.print(
f'{Color.CYAN}* {Color.NORMAL}Activated Pearl for Emacs editor')
messenger.info('')
messenger.info("Done! Open a new terminal and have fun!")
messenger.info('')
messenger.info("To get the list of Pearl packages available:")
messenger.print(" >> pearl list")
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)
