Python pkg_resources.require() Examples

def version():
    click.echo("cli version: {}".format(pkg_resources.require("aws-service-catalog-puppet")[0].version))
    with betterboto_client.ClientContextManager('ssm') as ssm:
        response = ssm.get_parameter(
            Name="service-catalog-puppet-regional-version"
        )
        click.echo(
            "regional stack version: {} for region: {}".format(
                response.get('Parameter').get('Value'),
                response.get('Parameter').get('ARN').split(':')[3]
            )
        )
        response = ssm.get_parameter(
            Name="service-catalog-puppet-version"
        )
        click.echo(
            "stack version: {}".format(
                response.get('Parameter').get('Value'),
            )
        ) 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self, ep.name, None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [
                os.path.abspath(p)
                for p in self.convert_2to3_doctests
            ]
        else:
            self.convert_2to3_doctests = [] 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self, ep.name, None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [
                os.path.abspath(p)
                for p in self.convert_2to3_doctests
            ]
        else:
            self.convert_2to3_doctests = [] 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self, ep.name, None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [
                os.path.abspath(p)
                for p in self.convert_2to3_doctests
            ]
        else:
            self.convert_2to3_doctests = [] 

def test_get_version_setup(self):
        def mock1(*args, **kwargs):
            raise OSError
        try:
            backup1 = subprocess.check_output
        except AttributeError:
            backup1 = None
        subprocess.check_output = mock1
        def mock2(*args, **kwargs):
            raise pkg_resources.DistributionNotFound
        backup2 = pkg_resources.require
        pkg_resources.require = mock2
        try:
            self.assertEquals("0.0.0-unversioned", _get_version_setup())
        finally:
            if backup1:
                subprocess.check_output = backup1
            pkg_resources.require = backup2 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self, ep.name, None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [
                os.path.abspath(p)
                for p in self.convert_2to3_doctests
            ]
        else:
            self.convert_2to3_doctests = [] 

def generate_user_agent():
    try:
        version = pkg_resources.require("twtxt")[0].version
    except pkg_resources.DistributionNotFound:
        version = "unknown"

    conf = click.get_current_context().obj["conf"]
    if conf.disclose_identity and conf.nick and conf.twturl:
        user_agent = "twtxt/{version} (+{url}; @{nick})".format(
            version=version, url=conf.twturl, nick=conf.nick)
    else:
        user_agent = "twtxt/{version}".format(version=version)

    return {"User-Agent": user_agent} 

def get_command_class(self, command):
        """Pluggable version of get_command_class()"""
        if command in self.cmdclass:
            return self.cmdclass[command]

        for ep in pkg_resources.iter_entry_points('distutils.commands', command):
            ep.require(installer=self.fetch_build_egg)
            self.cmdclass[command] = cmdclass = ep.load()
            return cmdclass
        else:
            return _Distribution.get_command_class(self, command) 

def status(self):
        """
        Reports on the status of this translation server.
        """
        response_data = {
            'status': self._status,
            'models': self._models,
            'version': pkg_resources.require("nematus")[0].version,
            'service': 'nematus',
        }
        response.content_type = "application/json"
        return json.dumps(response_data) 

def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
                   to_dir=os.curdir, download_delay=15):
    # making sure we use the absolute path
    to_dir = os.path.abspath(to_dir)
    was_imported = 'pkg_resources' in sys.modules or \
        'setuptools' in sys.modules
    try:
        import pkg_resources
    except ImportError:
        return _do_download(version, download_base, to_dir, download_delay)
    try:
        pkg_resources.require("setuptools>=" + version)
        return
    except pkg_resources.VersionConflict:
        e = sys.exc_info()[1]
        if was_imported:
            sys.stderr.write(
            "The required version of setuptools (>=%s) is not available,\n"
            "and can't be installed while this script is running. Please\n"
            "install a more recent version first, using\n"
            "'easy_install -U setuptools'."
            "\n\n(Currently using %r)\n" % (version, e.args[0]))
            sys.exit(2)
        else:
            del pkg_resources, sys.modules['pkg_resources']    # reload ok
            return _do_download(version, download_base, to_dir,
                                download_delay)
    except pkg_resources.DistributionNotFound:
        return _do_download(version, download_base, to_dir,
                            download_delay) 

def print_commands(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.print_commands(self) 

def print_commands(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.print_commands(self) 

def get_command_list(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.get_command_list(self) 

def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
                   to_dir=os.curdir, download_delay=15):
    to_dir = os.path.abspath(to_dir)
    rep_modules = 'pkg_resources', 'setuptools'
    imported = set(sys.modules).intersection(rep_modules)
    try:
        import pkg_resources
    except ImportError:
        return _do_download(version, download_base, to_dir, download_delay)
    try:
        pkg_resources.require("setuptools>=" + version)
        return
    except pkg_resources.DistributionNotFound:
        return _do_download(version, download_base, to_dir, download_delay)
    except pkg_resources.VersionConflict as VC_err:
        if imported:
            msg = textwrap.dedent("""
                The required version of setuptools (>={version}) is not available,
                and can't be installed while this script is running. Please
                install a more recent version first, using
                'easy_install -U setuptools'.

                (Currently using {VC_err.args[0]!r})
                """).format(VC_err=VC_err, version=version)
            sys.stderr.write(msg)
            sys.exit(2)

        # otherwise, reload ok
        del pkg_resources, sys.modules['pkg_resources']
        return _do_download(version, download_base, to_dir, download_delay) 

def get_command_class(self, command):
        """Pluggable version of get_command_class()"""
        if command in self.cmdclass:
            return self.cmdclass[command]

        eps = pkg_resources.iter_entry_points('distutils.commands', command)
        for ep in eps:
            ep.require(installer=self.fetch_build_egg)
            self.cmdclass[command] = cmdclass = ep.load()
            return cmdclass
        else:
            return _Distribution.get_command_class(self, command) 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self, ep.name, None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [os.path.abspath(p) for p in self.convert_2to3_doctests]
        else:
            self.convert_2to3_doctests = [] 

def use_setuptools(
        version=DEFAULT_VERSION, download_base=DEFAULT_URL,
        to_dir=DEFAULT_SAVE_DIR, download_delay=15):
    """
    Ensure that a setuptools version is installed.

    Return None. Raise SystemExit if the requested version
    or later cannot be installed.
    """
    to_dir = os.path.abspath(to_dir)

    # prior to importing, capture the module state for
    # representative modules.
    rep_modules = 'pkg_resources', 'setuptools'
    imported = set(sys.modules).intersection(rep_modules)

    try:
        import pkg_resources
        pkg_resources.require("setuptools>=" + version)
        # a suitable version is already installed
        return
    except ImportError:
        # pkg_resources not available; setuptools is not installed; download
        pass
    except pkg_resources.DistributionNotFound:
        # no version of setuptools was found; allow download
        pass
    except pkg_resources.VersionConflict as VC_err:
        if imported:
            _conflict_bail(VC_err, version)

        # otherwise, unload pkg_resources to allow the downloaded version to
        #  take precedence.
        del pkg_resources
        _unload_pkg_resources()

    return _do_download(version, download_base, to_dir, download_delay) 

def parse_args(raw_args):
    """
    Parse arguments
    """
    dirs = os.listdir(os.path.join(ROLESDIR, "install"))
    # Create main parser
    parser = argparse.ArgumentParser(prog="i3-xfce", description='i3-xfce-installer.')
    parser.add_argument("--version", "-v", help="Display version", action='version',
                        version="{}".format(pkg_resources.require("i3-xfce")[0].version))
    root_subparsers = parser.add_subparsers(dest="function")

    # Parser for list command
    install_parser = root_subparsers.add_parser('install', help='install files')
    install_parser.add_argument('--parts', '-p', help='Parts to install', action="append", metavar=dirs,
                                type=str, choices=dirs)
    install_parser.add_argument('--verbose', help='Verbose mode', action='store_true', default=False)
    install_parser.add_argument('--dryrun', "-d", help='Dry run mode', action='store_true', default=False)

    # Parser for list command
    uninstall_parser = root_subparsers.add_parser('uninstall', help='uninstall files')
    uninstall_parser.add_argument('--parts', '-p', help='Parts to install', action="append", metavar=dirs, type=str,
                                  choices=dirs)
    uninstall_parser.add_argument('--verbose', help='Verbose mode', action='store_true', default=False)
    uninstall_parser.add_argument('--dryrun', "-d", help='Dry run mode', action='store_true', default=False)

    res = parser.parse_args(raw_args[1:])
    if res.parts is None:
      res.parts = dirs
    return res 

def get_command_list(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.get_command_list(self) 

def print_commands(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.print_commands(self) 

def get_command_class(self, command):
        """Pluggable version of get_command_class()"""
        if command in self.cmdclass:
            return self.cmdclass[command]

        for ep in pkg_resources.iter_entry_points('distutils.commands', command):
            ep.require(installer=self.fetch_build_egg)
            self.cmdclass[command] = cmdclass = ep.load()
            return cmdclass
        else:
            return _Distribution.get_command_class(self, command) 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self, ep.name, None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [os.path.abspath(p) for p in self.convert_2to3_doctests]
        else:
            self.convert_2to3_doctests = [] 

def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
        to_dir=os.curdir, download_delay=15):
    to_dir = os.path.abspath(to_dir)
    rep_modules = 'pkg_resources', 'setuptools'
    imported = set(sys.modules).intersection(rep_modules)
    try:
        import pkg_resources
    except ImportError:
        return _do_download(version, download_base, to_dir, download_delay)
    try:
        pkg_resources.require("setuptools>=" + version)
        return
    except pkg_resources.DistributionNotFound:
        return _do_download(version, download_base, to_dir, download_delay)
    except pkg_resources.VersionConflict as VC_err:
        if imported:
            msg = textwrap.dedent("""
                The required version of setuptools (>={version}) is not available,
                and can't be installed while this script is running. Please
                install a more recent version first, using
                'easy_install -U setuptools'.

                (Currently using {VC_err.args[0]!r})
                """).format(VC_err=VC_err, version=version)
            sys.stderr.write(msg)
            sys.exit(2)

        # otherwise, reload ok
        del pkg_resources, sys.modules['pkg_resources']
        return _do_download(version, download_base, to_dir, download_delay) 

def get_command_list(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.get_command_list(self) 

def print_commands(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.print_commands(self) 

def get_command_class(self, command):
        """Pluggable version of get_command_class()"""
        if command in self.cmdclass:
            return self.cmdclass[command]

        for ep in pkg_resources.iter_entry_points('distutils.commands',command):
            ep.require(installer=self.fetch_build_egg)
            self.cmdclass[command] = cmdclass = ep.load()
            return cmdclass
        else:
            return _Distribution.get_command_class(self, command) 

def finalize_options(self):
        _Distribution.finalize_options(self)
        if self.features:
            self._set_global_opts_from_features()

        for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
            value = getattr(self,ep.name,None)
            if value is not None:
                ep.require(installer=self.fetch_build_egg)
                ep.load()(self, ep.name, value)
        if getattr(self, 'convert_2to3_doctests', None):
            # XXX may convert to set here when we can rely on set being builtin
            self.convert_2to3_doctests = [os.path.abspath(p) for p in self.convert_2to3_doctests]
        else:
            self.convert_2to3_doctests = [] 

def get_command_list(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.get_command_list(self) 

def print_commands(self):
        for ep in pkg_resources.iter_entry_points('distutils.commands'):
            if ep.name not in self.cmdclass:
                # don't require extras as the commands won't be invoked
                cmdclass = ep.resolve()
                self.cmdclass[ep.name] = cmdclass
        return _Distribution.print_commands(self) 

def get_command_class(self, command):
        """Pluggable version of get_command_class()"""
        if command in self.cmdclass:
            return self.cmdclass[command]

        eps = pkg_resources.iter_entry_points('distutils.commands', command)
        for ep in eps:
            ep.require(installer=self.fetch_build_egg)
            self.cmdclass[command] = cmdclass = ep.load()
            return cmdclass
        else:
            return _Distribution.get_command_class(self, command)