How to use installed_pkgs method in avocado

Best Python code snippet using avocado_python

npm.py

Source:npm.py

1# -*- coding: utf-8 -*-2'''3Installation of NPM Packages4============================5These states manage the installed packages for node.js using the Node Package6Manager (npm). Note that npm must be installed for these states to be7available, so npm states should include a requisite to a pkg.installed state8for the package which provides npm (simply ``npm`` in most cases). Example:9.. code-block:: yaml10    npm:11      pkg.installed12    yaml:13      npm.installed:14        - require:15          - pkg: npm16'''17from __future__ import absolute_import18# Import salt libs19from salt.exceptions import CommandExecutionError, CommandNotFoundError20def __virtual__():21    '''22    Only load if the npm module is available in __salt__23    '''24    return 'npm' if 'npm.list' in __salt__ else False, '\'npm\' binary not found on system'25def installed(name,26              pkgs=None,27              dir=None,28              user=None,29              force_reinstall=False,30              registry=None,31              env=None):32    '''33    Verify that the given package is installed and is at the correct version34    (if specified).35    .. code-block:: yaml36        coffee-script:37          npm.installed:38            - user: someuser39        coffee-script@1.0.1:40          npm.installed: []41    name42        The package to install43        .. versionchanged:: 2014.7.244            This parameter is no longer lowercased by salt so that45            case-sensitive NPM package names will work.46    pkgs47        A list of packages to install with a single npm invocation; specifying48        this argument will ignore the ``name`` argument49        .. versionadded:: 2014.7.050    dir51        The target directory in which to install the package, or None for52        global installation53    user54        The user to run NPM with55        .. versionadded:: 0.17.056    registry57        The NPM registry from which to install the package58        .. versionadded:: 2014.7.059    env60        A list of environment variables to be set prior to execution. The61        format is the same as the :py:func:`cmd.run <salt.states.cmd.run>`.62        state function.63        .. versionadded:: 2014.7.064    force_reinstall65        Install the package even if it is already installed66    '''67    ret = {'name': name, 'result': None, 'comment': '', 'changes': {}}68    if pkgs is not None:69        pkg_list = pkgs70    else:71        pkg_list = [name]72    try:73        installed_pkgs = __salt__['npm.list'](dir=dir, runas=user, env=env)74    except (CommandNotFoundError, CommandExecutionError) as err:75        ret['result'] = False76        ret['comment'] = 'Error looking up {0!r}: {1}'.format(name, err)77        return ret78    else:79        installed_pkgs = dict((p, info)80                for p, info in installed_pkgs.items())81    pkgs_satisfied = []82    pkgs_to_install = []83    def _pkg_is_installed(pkg, installed_pkgs):84        '''85        Helper function to determine if a package is installed86        This performs more complex comparison than just checking87        keys, such as examining source repos to see if the package88        was installed by a different name from the same repo89        :pkg str: The package to compare90        :installed_pkgs: A dictionary produced by npm list --json91        '''92        if (pkg_name in installed_pkgs and93            'version' in installed_pkgs[pkg_name]):94            return True95        # Check to see if we are trying to install from a URI96        elif '://' in pkg_name:  # TODO Better way?97            for pkg_details in installed_pkgs.values():98                pkg_from = pkg_details.get('from', '').split('://')[1]99                if pkg_name.split('://')[1] == pkg_from:100                    return True101        return False102    for pkg in pkg_list:103        pkg_name, _, pkg_ver = pkg.partition('@')104        pkg_name = pkg_name.strip()105        if force_reinstall is True:106            pkgs_to_install.append(pkg)107            continue108        if not _pkg_is_installed(pkg, installed_pkgs):109            pkgs_to_install.append(pkg)110            continue111        installed_name_ver = '{0}@{1}'.format(pkg_name,112                installed_pkgs[pkg_name]['version'])113        # If given an explicit version check the installed version matches.114        if pkg_ver:115            if installed_pkgs[pkg_name].get('version') != pkg_ver:116                pkgs_to_install.append(pkg)117            else:118                pkgs_satisfied.append(installed_name_ver)119            continue120        else:121            pkgs_satisfied.append(installed_name_ver)122            continue123    if __opts__['test']:124        ret['result'] = None125        comment_msg = []126        if pkgs_to_install:127            comment_msg.append('NPM package(s) {0!r} are set to be installed'128                .format(', '.join(pkgs_to_install)))129            ret['changes'] = {'old': [], 'new': pkgs_to_install}130        if pkgs_satisfied:131            comment_msg.append('Package(s) {0!r} satisfied by {1}'132                .format(', '.join(pkg_list), ', '.join(pkgs_satisfied)))133            ret['result'] = True134        ret['comment'] = '. '.join(comment_msg)135        return ret136    if not pkgs_to_install:137        ret['result'] = True138        ret['comment'] = ('Package(s) {0!r} satisfied by {1}'139                .format(', '.join(pkg_list), ', '.join(pkgs_satisfied)))140        return ret141    try:142        cmd_args = {143            'dir': dir,144            'runas': user,145            'registry': registry,146            'env': env,147        }148        if pkgs is not None:149            cmd_args['pkgs'] = pkgs150        else:151            cmd_args['pkg'] = pkg_name152        call = __salt__['npm.install'](**cmd_args)153    except (CommandNotFoundError, CommandExecutionError) as err:154        ret['result'] = False155        ret['comment'] = 'Error installing {0!r}: {1}'.format(156                ', '.join(pkg_list), err)157        return ret158    if call and (isinstance(call, list) or isinstance(call, dict)):159        ret['result'] = True160        ret['changes'] = {'old': [], 'new': pkgs_to_install}161        ret['comment'] = 'Package(s) {0!r} successfully installed'.format(162                ', '.join(pkgs_to_install))163    else:164        ret['result'] = False165        ret['comment'] = 'Could not install package(s) {0!r}'.format(166                ', '.join(pkg_list))167    return ret168def removed(name,169            dir=None,170            user=None):171    '''172    Verify that the given package is not installed.173    dir174        The target directory in which to install the package, or None for175        global installation176    user177        The user to run NPM with178        .. versionadded:: 0.17.0179    '''180    ret = {'name': name, 'result': None, 'comment': '', 'changes': {}}181    try:182        installed_pkgs = __salt__['npm.list'](dir=dir)183    except (CommandExecutionError, CommandNotFoundError) as err:184        ret['result'] = False185        ret['comment'] = 'Error uninstalling {0!r}: {1}'.format(name, err)186        return ret187    if name not in installed_pkgs:188        ret['result'] = True189        ret['comment'] = 'Package {0!r} is not installed'.format(name)190        return ret191    if __opts__['test']:192        ret['result'] = None193        ret['comment'] = 'Package {0!r} is set to be removed'.format(name)194        return ret195    if __salt__['npm.uninstall'](pkg=name, dir=dir, runas=user):196        ret['result'] = True197        ret['changes'][name] = 'Removed'198        ret['comment'] = 'Package {0!r} was successfully removed'.format(name)199    else:200        ret['result'] = False201        ret['comment'] = 'Error removing package {0!r}'.format(name)202    return ret203def bootstrap(name,204              user=None):205    '''206    Bootstraps a node.js application.207    Will execute 'npm install --json' on the specified directory.208    user209        The user to run NPM with210        .. versionadded:: 0.17.0211    '''212    ret = {'name': name, 'result': None, 'comment': '', 'changes': {}}213    try:214        call = __salt__['npm.install'](dir=name, runas=user, pkg=None)215    except (CommandNotFoundError, CommandExecutionError) as err:216        ret['result'] = False217        ret['comment'] = 'Error Bootstrapping {0!r}: {1}'.format(name, err)218        return ret219    if not call:220        ret['result'] = True221        ret['comment'] = 'Directory is already bootstrapped'222        return ret223    # npm.install will return a string if it can't parse a JSON result224    if isinstance(call, str):225        ret['result'] = False226        ret['comment'] = 'Could not bootstrap directory'227    else:228        ret['result'] = True229        ret['changes'] = {name: 'Bootstrapped'}230        ret['comment'] = 'Directory was successfully bootstrapped'...

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