命令行工具的开发和pylint代码代码检查的通用配置

packageship/packageship/cli.py

+'''
+    Entry method for custom commands
+'''
+import os
+import json
+try:
+    import argparse
+    import requests
+    from requests.exceptions import ConnectionError as ConnErr
+    from requests.exceptions import HTTPError
+    import prettytable
+    from prettytable import PrettyTable
+    from packageship.libs.log import Log
+    from packageship.libs.exception import Error
+    from packageship.libs.configutils.readconfig import ReadConfig
+    LOGGER = Log(__name__)
+except ImportError as import_error:
+    print('Error importing related dependencies, \
+            please check if related dependencies are installed')
+else:
+    from packageship.application.apps.package.function.Constants import ResponseCode
+    from packageship.application.apps.package.function.Constants import ListNode
+
+
+DB_NAME = 0
+
+
+def main():
+    '''
+        command entry function
+    '''
+    try:
+        packship_cmd = PkgshipCommand()
+        packship_cmd.parser_args()
+    except Error as error:
+        LOGGER.logger.error(error)
+        print('command error')
+
+
+class BaseCommand():
+    '''
+        Basic attributes used for command invocation
+    '''
+
+    def __init__(self):
+        self._read_config = ReadConfig()
+        self.write_host = None
+        self.read_host = None
+        self.__http = 'http://'
+        self.headers = {"Content-Type": "application/json",
+                        "Accept-Language": "zh-CN,zh;q=0.9"}
+
+        self.load_read_host()
+        self.load_write_host()
+
+    def load_write_host(self):
+        '''
+            Address to load write permission
+        '''
+        wirte_port = self._read_config.get_system('write_port')
+
+        write_ip = self._read_config.get_system('write_ip_addr')
+
+        _write_host = self.__http + write_ip + ":" + wirte_port
+
+        setattr(self, 'write_host', _write_host)
+
+    def load_read_host(self):
+        '''
+            Address to load write permission
+        '''
+        read_port = self._read_config.get_system('query_port')
+
+        read_ip = self._read_config.get_system('query_ip_addr')
+
+        _read_host = self.__http + read_ip + ":" + read_port
+
+        setattr(self, 'read_host', _read_host)
+
+
+class PkgshipCommand(BaseCommand):
+    '''
+       PKG package command line
+    '''
+    parser = argparse.ArgumentParser(
+        description='package related dependency management')
+    subparsers = parser.add_subparsers(
+        help='package related dependency management')
+
+    def __init__(self):
+        super(PkgshipCommand, self).__init__()
+        self.statistics = dict()
+        self.table = PkgshipCommand.create_table(
+            ['package name', 'src name', 'version', 'database'])
+
+        # Calculate the total width of the current terminal
+        self.columns = int(os.popen('stty size', 'r').read().split()[1])
+        self.params = []
+
+    @staticmethod
+    def register_command(command):
+        '''
+            Register command
+        '''
+        command.register()
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        for command_params in self.params:
+            self.parse.add_argument(  # pylint: disable=E1101
+                command_params[0],
+                type=eval(command_params[1]),  # pylint: disable=W0123
+                help=command_params[2],
+                default=command_params[3])
+
+    @classmethod
+    def parser_args(cls):
+        '''
+            Command parsing
+        '''
+        cls.register_command(RemoveCommand())
+        cls.register_command(InitDatabaseCommand())
+        cls.register_command(UpdateDatabaseCommand())
+        cls.register_command(AllPackageCommand())
+        cls.register_command(UpdatePackageCommand())
+        cls.register_command(BuildDepCommand())
+        cls.register_command(InstallDepCommand())
+        cls.register_command(SelfBuildCommand())
+        cls.register_command(BeDependCommand())
+        cls.register_command(SingleCommand())
+        try:
+            args = cls.parser.parse_args()
+            args.func(args)
+        except Error:
+            print('command error')
+
+    def parse_package(self, response_data):
+        '''
+            Parse the corresponding data of the package
+        '''
+        if response_data.get('code') == ResponseCode.SUCCESS:
+            package_all = response_data.get('data')
+            if isinstance(package_all, list):
+                for package_item in package_all:
+                    row_data = [package_item.get('sourceName'), package_item.get(
+                        'dbname'), package_item.get('version'), package_item.get('license')]
+                    self.table.add_row(row_data)
+        else:
+            print(response_data.get('msg'))
+
+    def parse_depend_package(self, response_data):
+        '''
+            Parse the corresponding data of the package
+        '''
+        bin_package_count = 0
+        src_package_count = 0
+        if response_data.get('code') == ResponseCode.SUCCESS:
+            package_all = response_data.get('data')
+            if isinstance(package_all, dict):
+
+                for bin_package, package_depend in package_all.items():
+                    # distinguish whether the current data is the data of the root node
+                    if isinstance(package_depend, list) and \
+                            package_depend[ListNode.SOURCE_NAME] != 'source':
+
+                        row_data = [bin_package,
+                                    package_depend[ListNode.SOURCE_NAME],
+                                    package_depend[ListNode.VERSION],
+                                    package_depend[ListNode.DBNAME]]
+                        # Whether the database exists
+                        if package_depend[ListNode.DBNAME] not in self.statistics:
+                            self.statistics[package_depend[ListNode.DBNAME]] = {
+                                'binary': [],
+                                'source': []
+                            }
+                        # Determine whether the current binary package exists
+                        if bin_package not in \
+                                self.statistics[package_depend[ListNode.DBNAME]]['binary']:
+                            self.statistics[package_depend[ListNode.DBNAME]
+                                            ]['binary'].append(bin_package)
+                            bin_package_count += 1
+                        # Determine whether the source package exists
+                        if package_depend[ListNode.SOURCE_NAME] not in \
+                                self.statistics[package_depend[ListNode.DBNAME]]['source']:
+                            self.statistics[package_depend[ListNode.DBNAME]]['source'].append(
+                                package_depend[ListNode.SOURCE_NAME])
+                            src_package_count += 1
+
+                        if hasattr(self, 'table') and self.table:
+                            self.table.add_row(row_data)
+        else:
+            LOGGER.logger.error(response_data.get('msg'))
+            print(response_data.get('msg'))
+        statistics_table = self.statistics_table(
+            bin_package_count, src_package_count)
+        return statistics_table
+
+    def print_(self, content=None, character='=', dividing_line=False):
+        '''
+            Output formatted characters
+        '''
+        # Get the current width of the console
+
+        if dividing_line:
+            print(character * self.columns)
+        if content:
+            print(content)
+        if dividing_line:
+            print(character * self.columns)
+
+    @staticmethod
+    def create_table(title):
+        '''
+            Create printed forms
+        '''
+        table = PrettyTable(title)
+        # table.set_style(prettytable.PLAIN_COLUMNS)
+        table.align = 'l'
+        table.horizontal_char = '='
+        table.junction_char = '='
+        table.vrules = prettytable.NONE
+        table.hrules = prettytable.FRAME
+        return table
+
+    def statistics_table(self, bin_package_count, src_package_count):
+        '''
+            Generate data for total statistical tables
+        '''
+        statistics_table = self.create_table(['', 'binary', 'source'])
+        statistics_table.add_row(
+            ['self depend sum', bin_package_count, src_package_count])
+
+        # cyclically count the number of source packages and binary packages in each database
+        for database, statistics_item in self.statistics.items():
+            statistics_table.add_row([database, len(statistics_item.get(
+                'binary')), len(statistics_item.get('source'))])
+        return statistics_table
+
+    @staticmethod
+    def http_error(response):
+        '''
+        Log error messages for http
+        '''
+        try:
+            print(response.raise_for_status())
+        except HTTPError as http_error:
+            LOGGER.logger.error(http_error)
+            print('Request failed')
+            print(http_error)
+
+
+class RemoveCommand(PkgshipCommand):
+    '''
+        Delete database command
+    '''
+
+    def __init__(self):
+        super(RemoveCommand, self).__init__()
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'rm', help='delete database operation')
+        self.params = [('db', 'str', 'name of the database operated', '')]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(RemoveCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        if params.db is None:
+            print('No database specified for deletion')
+        else:
+            _url = self.write_host + '/repodatas?dbName={}'.format(params.db)
+            try:
+                response = requests.delete(_url)
+            except ConnErr as conn_err:
+                LOGGER.logger.error(conn_err)
+                print(str(conn_err))
+            else:
+                # Determine whether to delete the mysql database or sqlite database
+                if response.status_code == 200:
+                    data = json.loads(response.text)
+                    if data.get('code') == ResponseCode.SUCCESS:
+                        print('delete success')
+                    else:
+                        LOGGER.logger.error(data.get('msg'))
+                        print(data.get('msg'))
+                else:
+                    self.http_error(response)
+
+
+class InitDatabaseCommand(PkgshipCommand):
+    '''
+        Initialize  database command
+    '''
+
+    def __init__(self):
+        super(InitDatabaseCommand, self).__init__()
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'init', help='initialization of the database')
+        self.params = [
+            ('-filepath', 'str', 'name of the database operated', '')]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(InitDatabaseCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        file_path = params.filepath
+        try:
+            response = requests.post(self.write_host +
+                                     '/initsystem', data=json.dumps({'configfile': file_path}),
+                                     headers=self.headers)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                response_data = json.loads(response.text)
+                if response_data.get('code') == ResponseCode.SUCCESS:
+                    print('Database initialization success ')
+                else:
+                    LOGGER.logger.error(response_data.get('msg'))
+                    print(response_data.get('msg'))
+            else:
+                self.http_error(response)
+
+
+class UpdateDatabaseCommand(PkgshipCommand):
+    '''
+        update  database command
+    '''
+
+    def __init__(self):
+        super(UpdateDatabaseCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'updatedb', help='database update operation')
+        self.params = [('db', 'str', 'name of the database operated', '')]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(UpdateDatabaseCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        pass  # pylint: disable= W0107
+
+
+class AllPackageCommand(PkgshipCommand):
+    '''
+        get all package commands
+    '''
+
+    def __init__(self):
+        super(AllPackageCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'list', help='get all package data')
+        self.table = self.create_table(
+            ['packagenames', 'database', 'version', 'license'])
+        self.params = [('-db', 'str', 'name of the database operated', '')]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(AllPackageCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.read_host + \
+            '/packages?dbName={dbName}'.format(dbName=params.db)
+        try:
+            response = requests.get(_url)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+
+                self.parse_package(json.loads(response.text))
+                if self.table:
+                    print(self.table)
+            else:
+                self.http_error(response)
+
+
+class UpdatePackageCommand(PkgshipCommand):
+    '''
+        update package data
+    '''
+
+    def __init__(self):
+        super(UpdatePackageCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'updatepkg', help='update package data')
+        self.params = [
+            ('packagename', 'str', 'Source package name', ''),
+            ('db', 'str', 'name of the database operated', ''),
+            ('-m', 'str', 'Maintainers name', ''),
+            ('-l', 'int', 'database priority', 1)
+        ]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(UpdatePackageCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.write_host + '/packages/findByPackName'
+        try:
+            response = requests.put(
+                _url, data=json.dumps({'sourceName': params.packagename,
+                                       'dbName': params.db,
+                                       'maintainer': params.m,
+                                       'maintainLevel': params.l}),
+                headers=self.headers)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                data = json.loads(response.text)
+                if data.get('code') == ResponseCode.SUCCESS:
+                    print('update completed')
+                else:
+                    LOGGER.logger.error(data.get('msg'))
+                    print(data.get('msg'))
+            else:
+                self.http_error(response)
+
+
+class BuildDepCommand(PkgshipCommand):
+    '''
+        query the compilation dependencies of the specified package
+    '''
+
+    def __init__(self):
+        super(BuildDepCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'builddep', help='query the compilation dependencies of the specified package')
+        self.collection = True
+        self.params = [
+            ('packagename', 'str', 'source package name', ''),
+        ]
+        self.collection_params = [
+            ('-dbs', 'Operational database collection')
+        ]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(BuildDepCommand, self).register()
+        # collection parameters
+
+        for cmd_params in self.collection_params:
+            self.parse.add_argument(
+                cmd_params[0], nargs='*', default=None, help=cmd_params[1])
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.read_host + '/packages/findBuildDepend'
+        try:
+            response = requests.post(
+                _url, data=json.dumps({'sourceName': params.packagename,
+                                       'db_list': params.dbs}),
+                headers=self.headers)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                statistics_table = self.parse_depend_package(
+                    json.loads(response.text))
+                if getattr(self.table, 'rowcount'):
+                    self.print_('query {} buildDepend  result display:'.format(
+                        params.packagename))
+                    print(self.table)
+                    self.print_('statistics')
+                    print(statistics_table)
+            else:
+                self.http_error(response)
+
+
+class InstallDepCommand(PkgshipCommand):
+    '''
+        query the installation dependencies of the specified package
+    '''
+
+    def __init__(self):
+        super(InstallDepCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'installdep', help='query the installation dependencies of the specified package')
+        self.collection = True
+        self.params = [
+            ('packagename', 'str', 'source package name', ''),
+        ]
+        self.collection_params = [
+            ('-dbs', 'Operational database collection')
+        ]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(InstallDepCommand, self).register()
+        # collection parameters
+
+        for cmd_params in self.collection_params:
+            self.parse.add_argument(
+                cmd_params[0], nargs='*', default=None, help=cmd_params[1])
+        self.parse.set_defaults(func=self.do_command)
+
+    def parse_package(self, response_data):
+        '''
+            Parse the corresponding data of the package
+        '''
+        if getattr(self, 'statistics'):
+            setattr(self, 'statistics', dict())
+        bin_package_count = 0
+        src_package_count = 0
+        if response_data.get('code') == ResponseCode.SUCCESS:
+            package_all = response_data.get('data')
+            if isinstance(package_all, dict):
+                for bin_package, package_depend in package_all.items():
+                    # distinguish whether the current data is the data of the root node
+                    if isinstance(package_depend, list) and package_depend[-1][0][0] != 'root':
+
+                        row_data = [bin_package,
+                                    package_depend[ListNode.SOURCE_NAME],
+                                    package_depend[ListNode.VERSION],
+                                    package_depend[ListNode.DBNAME]]
+                        # Whether the database exists
+                        if package_depend[ListNode.DBNAME] not in self.statistics:
+                            self.statistics[package_depend[ListNode.DBNAME]] = {
+                                'binary': [],
+                                'source': []
+                            }
+                        # Determine whether the current binary package exists
+                        if bin_package not in \
+                                self.statistics[package_depend[ListNode.DBNAME]]['binary']:
+                            self.statistics[package_depend[ListNode.DBNAME]
+                                            ]['binary'].append(bin_package)
+                            bin_package_count += 1
+                        # Determine whether the source package exists
+                        if package_depend[ListNode.SOURCE_NAME] not in \
+                                self.statistics[package_depend[ListNode.DBNAME]]['source']:
+                            self.statistics[package_depend[ListNode.DBNAME]]['source'].append(
+                                package_depend[ListNode.SOURCE_NAME])
+                            src_package_count += 1
+
+                        self.table.add_row(row_data)
+        else:
+            LOGGER.logger.error(response_data.get('msg'))
+            print(response_data.get('msg'))
+        # Display of aggregated data
+        statistics_table = self.statistics_table(
+            bin_package_count, src_package_count)
+
+        return statistics_table
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.read_host + '/packages/findInstallDepend'
+        try:
+            response = requests.post(_url, data=json.dumps(
+                {
+                    'binaryName': params.packagename,
+                    'db_list': params.dbs
+                }, ensure_ascii=True), headers=self.headers)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                statistics_table = self.parse_package(
+                    json.loads(response.text))
+                if getattr(self.table, 'rowcount'):
+                    self.print_('query{} InstallDepend result display:'.format(
+                        params.packagename))
+                    print(self.table)
+                    self.print_('statistics')
+                    print(statistics_table)
+            else:
+                self.http_error(response)
+
+
+class SelfBuildCommand(PkgshipCommand):
+    '''
+        self-compiled dependency query
+    '''
+
+    def __init__(self):
+        super(SelfBuildCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'selfbuild', help='query the self-compiled dependencies of the specified package')
+        self.collection = True
+        self.bin_package_table = self.create_table(
+            ['package name', 'src name', 'version', 'database'])
+        self.src_package_table = self.create_table([
+            'src name', 'version', 'database'])
+        self.params = [
+            ('packagename', 'str', 'source package name', ''),
+            ('-t', 'str', 'Source of data query', 'binary'),
+            ('-w', 'str', 'whether to include other subpackages of binary', 0),
+            ('-s', 'str', 'whether it is self-compiled', 0)
+        ]
+
+        self.collection_params = [
+            ('-dbs', 'Operational database collection')
+        ]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(SelfBuildCommand, self).register()
+        # collection parameters
+
+        for cmd_params in self.collection_params:
+            self.parse.add_argument(
+                cmd_params[0], nargs='*', default=None, help=cmd_params[1])
+        self.parse.set_defaults(func=self.do_command)
+
+    def _parse_bin_package(self, bin_packages):
+        '''
+            Parsing binary result data
+        '''
+        bin_package_count = 0
+        if bin_packages:
+            for bin_package, package_depend in bin_packages.items():
+                # distinguish whether the current data is the data of the root node
+                if isinstance(package_depend, list) and package_depend[-1][0][0] != 'root':
+
+                    row_data = [bin_package, package_depend[ListNode.SOURCE_NAME],
+                                package_depend[ListNode.VERSION], package_depend[ListNode.DBNAME]]
+
+                    # Whether the database exists
+                    if package_depend[ListNode.DBNAME] not in self.statistics:
+                        self.statistics[package_depend[ListNode.DBNAME]] = {
+                            'binary': [],
+                            'source': []
+                        }
+                    # Determine whether the current binary package exists
+                    if bin_package not in \
+                            self.statistics[package_depend[ListNode.DBNAME]]['binary']:
+                        self.statistics[package_depend[ListNode.DBNAME]
+                                        ]['binary'].append(bin_package)
+                        bin_package_count += 1
+                    self.bin_package_table.add_row(row_data)
+
+        return bin_package_count
+
+    def _parse_src_package(self, src_apckages):
+        '''
+            Source package data analysis
+        '''
+        src_package_count = 0
+        if src_apckages:
+            for src_package, package_depend in src_apckages.items():
+                # distinguish whether the current data is the data of the root node
+                if isinstance(package_depend, list):
+
+                    row_data = [src_package, package_depend[ListNode.VERSION],
+                                package_depend[DB_NAME]]
+                    # Whether the database exists
+                    if package_depend[DB_NAME] not in self.statistics:
+                        self.statistics[package_depend[DB_NAME]] = {
+                            'binary': [],
+                            'source': []
+                        }
+                    # Determine whether the current binary package exists
+                    if src_package not in self.statistics[package_depend[DB_NAME]]['source']:
+                        self.statistics[package_depend[DB_NAME]
+                                        ]['source'].append(src_package)
+                        src_package_count += 1
+
+                    self.src_package_table.add_row(row_data)
+
+        return src_package_count
+
+    def parse_package(self, response_data):
+        '''
+            Parse the corresponding data of the package
+        '''
+        if getattr(self, 'statistics'):
+            setattr(self, 'statistics', dict())
+        bin_package_count = 0
+        src_package_count = 0
+
+        if response_data.get('code') == ResponseCode.SUCCESS:
+            package_all = response_data.get('data')
+            if isinstance(package_all, dict):
+                # Parsing binary result data
+                bin_package_count = self._parse_bin_package(
+                    package_all.get('binary_dicts'))
+
+                # Source package data analysis
+                src_package_count = self._parse_src_package(
+                    package_all.get('source_dicts'))
+        else:
+            LOGGER.logger.error(response_data.get('msg'))
+            print(response_data.get('msg'))
+        # Display of aggregated data
+        statistics_table = self.statistics_table(
+            bin_package_count, src_package_count)
+        # return (bin_package_table, src_package_table, statistics_table)
+        return statistics_table
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.read_host + '/packages/findSelfDepend'
+        try:
+            response = requests.post(_url,
+                                     data=json.dumps({
+                                         'packagename': params.packagename,
+                                         'db_list': params.dbs,
+                                         'packtype': params.t,
+                                         'selfbuild': str(params.s),
+                                         'withsubpack': str(params.w)}),
+                                     headers=self.headers)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                statistics_table = self.parse_package(
+                    json.loads(response.text))
+                if getattr(self.bin_package_table, 'rowcount') \
+                        and getattr(self.src_package_table, 'rowcount'):
+                    self.print_('query {} selfDepend result display :'.format(
+                        params.packagename))
+                    print(self.bin_package_table)
+                    self.print_(character='=')
+                    print(self.src_package_table)
+                    self.print_('statistics')
+                    print(statistics_table)
+            else:
+                self.http_error(response)
+
+
+class BeDependCommand(PkgshipCommand):
+    '''
+        dependent query
+    '''
+
+    def __init__(self):
+        super(BeDependCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'bedepend', help='dependency query for the specified package')
+        self.params = [
+            ('packagename', 'str', 'source package name', ''),
+            ('db', 'str', 'name of the database operated', ''),
+            ('-w', 'str', 'whether to include other subpackages of binary', 0),
+        ]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(BeDependCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.read_host + '/packages/findBeDepend'
+        try:
+            response = requests.post(_url, data=json.dumps(
+                {
+                    'packagename': params.packagename,
+                    'dbname': params.db,
+                    'withsubpack': str(params.w)
+                }
+            ), headers=self.headers)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                statistics_table = self.parse_depend_package(
+                    json.loads(response.text))
+                if getattr(self.table, 'rowcount'):
+                    self.print_('query {} beDepend result display :'.format(
+                        params.packagename))
+                    print(self.table)
+                    self.print_('statistics')
+                    print(statistics_table)
+            else:
+                self.http_error(response)
+
+
+class SingleCommand(PkgshipCommand):
+    '''
+        query single package information
+    '''
+
+    def __init__(self):
+        super(SingleCommand, self).__init__()
+
+        self.parse = PkgshipCommand.subparsers.add_parser(
+            'single', help='query the information of a single package')
+        self.params = [
+            ('packagename', 'str', 'source package name', ''),
+            ('-db', 'str', 'name of the database operated', '')
+        ]
+
+    def register(self):
+        '''
+            Command line parameter injection
+        '''
+        super(SingleCommand, self).register()
+        self.parse.set_defaults(func=self.do_command)
+
+    def parse_package(self, response_data):
+        '''
+            Parse the corresponding data of the package
+        '''
+        show_field_name = ('sourceName', 'dbname', 'version',
+                           'license', 'maintainer', 'maintainlevel')
+        print_contents = []
+        if response_data.get('code') == ResponseCode.SUCCESS:
+            package_all = response_data.get('data')
+            if isinstance(package_all, list):
+                for package_item in package_all:
+                    for key, value in package_item.items():
+                        if value is None:
+                            value = ''
+                        if key in show_field_name:
+
+                            line_content = '%-15s:%s' % (key, value)
+                            print_contents.append(line_content)
+                    print_contents.append('='*self.columns)
+        else:
+            print(response_data.get('msg'))
+        if print_contents:
+            for content in print_contents:
+                self.print_(content=content)
+
+    def do_command(self, params):
+        '''
+            Action to execute command
+        '''
+        _url = self.read_host + \
+            '/packages/findByPackName?dbName={db_name}&sourceName={packagename}' \
+            .format(db_name=params.db, packagename=params.packagename)
+        try:
+            response = requests.get(_url)
+        except ConnectionError as conn_error:
+            LOGGER.logger.error(conn_error)
+            print(str(conn_error))
+        else:
+            if response.status_code == 200:
+                self.parse_package(json.loads(response.text))
+            else:
+                self.http_error(response)
+
+
+if __name__ == '__main__':
+    main()

packageship/packageship/pylint.conf

+[MASTER]
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code.
+extension-pkg-whitelist=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=CVS
+
+# Add files or directories matching the regex patterns to the blacklist. The
+# regex matches against base names, not paths.
+ignore-patterns=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Use multiple processes to speed up Pylint. Specifying 0 will auto-detect the
+# number of processors available to use.
+jobs=1
+
+# Control the amount of potential inferred values when inferring a single
+# object. This can help the performance when dealing with large functions or
+# complex, nested conditions.
+limit-inference-results=100
+
+# List of plugins (as comma separated values of python module names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Specify a configuration file.
+#rcfile=
+
+# When enabled, pylint would attempt to guess common misconfiguration and emit
+# user-friendly hints instead of false-positive error messages.
+suggestion-mode=yes
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED.
+confidence=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once). You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use "--disable=all --enable=classes
+# --disable=W".
+disable=print-statement,
+        parameter-unpacking,
+        unpacking-in-except,
+        old-raise-syntax,
+        backtick,
+        long-suffix,
+        old-ne-operator,
+        old-octal-literal,
+        import-star-module-level,
+        non-ascii-bytes-literal,
+        raw-checker-failed,
+        bad-inline-option,
+        locally-disabled,
+        file-ignored,
+        suppressed-message,
+        useless-suppression,
+        deprecated-pragma,
+        use-symbolic-message-instead,
+        apply-builtin,
+        basestring-builtin,
+        buffer-builtin,
+        cmp-builtin,
+        coerce-builtin,
+        execfile-builtin,
+        file-builtin,
+        long-builtin,
+        raw_input-builtin,
+        reduce-builtin,
+        standarderror-builtin,
+        unicode-builtin,
+        xrange-builtin,
+        coerce-method,
+        delslice-method,
+        getslice-method,
+        setslice-method,
+        no-absolute-import,
+        old-division,
+        dict-iter-method,
+        dict-view-method,
+        next-method-called,
+        metaclass-assignment,
+        indexing-exception,
+        raising-string,
+        reload-builtin,
+        oct-method,
+        hex-method,
+        nonzero-method,
+        cmp-method,
+        input-builtin,
+        round-builtin,
+        intern-builtin,
+        unichr-builtin,
+        map-builtin-not-iterating,
+        zip-builtin-not-iterating,
+        range-builtin-not-iterating,
+        filter-builtin-not-iterating,
+        using-cmp-argument,
+        eq-without-hash,
+        div-method,
+        idiv-method,
+        rdiv-method,
+        exception-message-attribute,
+        invalid-str-codec,
+        sys-max-int,
+        bad-python3-import,
+        deprecated-string-function,
+        deprecated-str-translate-call,
+        deprecated-itertools-function,
+        deprecated-types-field,
+        next-method-defined,
+        dict-items-not-iterating,
+        dict-keys-not-iterating,
+        dict-values-not-iterating,
+        deprecated-operator-function,
+        deprecated-urllib-function,
+        xreadlines-attribute,
+        deprecated-sys-function,
+        exception-escape,
+        comprehension-escape,
+        attribute-defined-outside-init
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once). See also the "--disable" option for examples.
+enable=c-extension-no-member
+
+
+[REPORTS]
+
+# Python expression which should return a score less than or equal to 10. You
+# have access to the variables 'error', 'warning', 'refactor', and 'convention'
+# which contain the number of messages in each category, as well as 'statement'
+# which is the total number of statements analyzed. This score is used by the
+# global evaluation report (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details.
+#msg-template=
+
+# Set the output format. Available formats are text, parseable, colorized, json
+# and msvs (visual studio). You can also give a reporter class, e.g.
+# mypackage.mymodule.MyReporterClass.
+output-format=text
+
+# Tells whether to display a full report or only the messages.
+reports=no
+
+# Activate the evaluation score.
+score=yes
+
+
+[REFACTORING]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
+
+# Complete name of functions that never returns. When checking for
+# inconsistent-return-statements if a never returning function is called then
+# it will be considered as an explicit return statement and no message will be
+# printed.
+never-returning-functions=sys.exit
+
+
+[BASIC]
+
+# Naming style matching correct argument names.
+argument-naming-style=snake_case
+
+# Regular expression matching correct argument names. Overrides argument-
+# naming-style.
+#argument-rgx=
+
+# Naming style matching correct attribute names.
+attr-naming-style=snake_case
+
+# Regular expression matching correct attribute names. Overrides attr-naming-
+# style.
+#attr-rgx=
+
+# Bad variable names which should always be refused, separated by a comma.
+bad-names=foo,
+          bar,
+          baz,
+          toto,
+          tutu,
+          tata
+
+# Naming style matching correct class attribute names.
+class-attribute-naming-style=any
+
+# Regular expression matching correct class attribute names. Overrides class-
+# attribute-naming-style.
+#class-attribute-rgx=
+
+# Naming style matching correct class names.
+class-naming-style=PascalCase
+
+# Regular expression matching correct class names. Overrides class-naming-
+# style.
+#class-rgx=
+
+# Naming style matching correct constant names.
+const-naming-style=UPPER_CASE
+
+# Regular expression matching correct constant names. Overrides const-naming-
+# style.
+#const-rgx=
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+# Naming style matching correct function names.
+function-naming-style=snake_case
+
+# Regular expression matching correct function names. Overrides function-
+# naming-style.
+#function-rgx=
+
+# Good variable names which should always be accepted, separated by a comma.
+good-names=i,
+           j,
+           k,
+           ex,
+           Run,
+           _
+
+# Include a hint for the correct naming format with invalid-name.
+include-naming-hint=no
+
+# Naming style matching correct inline iteration names.
+inlinevar-naming-style=any
+
+# Regular expression matching correct inline iteration names. Overrides
+# inlinevar-naming-style.
+#inlinevar-rgx=
+
+# Naming style matching correct method names.
+method-naming-style=snake_case
+
+# Regular expression matching correct method names. Overrides method-naming-
+# style.
+#method-rgx=
+
+# Naming style matching correct module names.
+module-naming-style=snake_case
+
+# Regular expression matching correct module names. Overrides module-naming-
+# style.
+#module-rgx=
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=^_
+
+# List of decorators that produce properties, such as abc.abstractproperty. Add
+# to this list to register other decorators that produce valid properties.
+# These decorators are taken in consideration only for invalid-name.
+property-classes=abc.abstractproperty
+
+# Naming style matching correct variable names.
+variable-naming-style=snake_case
+
+# Regular expression matching correct variable names. Overrides variable-
+# naming-style.
+#variable-rgx=
+
+
+[FORMAT]
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Number of spaces of indent required inside a hanging or continued line.
+indent-after-paren=4
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string='    '
+
+# Maximum number of characters on a single line.
+max-line-length=100
+
+# Maximum number of lines in a module.
+max-module-lines=1000
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,
+               dict-separator
+
+# Allow the body of a class to be on the same line as the declaration if body
+# contains single statement.
+single-line-class-stmt=no
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+
+[LOGGING]
+
+# Format style used to check logging format string. `old` means using %
+# formatting, `new` is for `{}` formatting,and `fstr` is for f-strings.
+logging-format-style=old
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format.
+logging-modules=logging
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,
+      XXX,
+      TODO
+
+
+[SIMILARITIES]
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=no
+
+# Minimum lines number of a similarity.
+min-similarity-lines=4
+
+
+[SPELLING]
+
+# Limits count of emitted suggestions for spelling mistakes.
+max-spelling-suggestions=4
+
+# Spelling dictionary name. Available dictionaries: none. To make it work,
+# install the python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains the private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to the private dictionary (see the
+# --spelling-private-dict-file option) instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[STRING]
+
+# This flag controls whether the implicit-str-concat-in-sequence should
+# generate a warning on implicit string concatenation in sequences defined over
+# several lines.
+check-str-concat-over-line-jumps=no
+
+
+[TYPECHECK]
+
+# List of decorators that produce context managers, such as
+# contextlib.contextmanager. Add to this list to register other decorators that
+# produce valid context managers.
+contextmanager-decorators=contextlib.contextmanager
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# Tells whether to warn about missing members when the owner of the attribute
+# is inferred to be None.
+ignore-none=yes
+
+# This flag controls whether pylint should warn about no-member and similar
+# checks whenever an opaque object is returned when inferring. The inference
+# can return multiple potential results while evaluating a Python object, but
+# some branches might not be evaluated, which results in partial inference. In
+# that case, it might be useful to still emit no-member and other checks for
+# the rest of the inferred objects.
+ignore-on-opaque-inference=yes
+
+# List of class names for which member attributes should not be checked (useful
+# for classes with dynamically set attributes). This supports the use of
+# qualified names.
+ignored-classes=optparse.Values,thread._local,_thread._local
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis). It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# Show a hint with possible names when a member name was not found. The aspect
+# of finding the hint is based on edit distance.
+missing-member-hint=yes
+
+# The minimum edit distance a name should have in order to be considered a
+# similar match for a missing member name.
+missing-member-hint-distance=1
+
+# The total number of similar names that should be taken in consideration when
+# showing a hint for a missing member.
+missing-member-max-choices=1
+
+# List of decorators that change the signature of a decorated function.
+signature-mutators=
+
+
+[VARIABLES]
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid defining new builtins when possible.
+additional-builtins=
+
+# Tells whether unused global variables should be treated as a violation.
+allow-global-unused-variables=yes
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,
+          _cb
+
+# A regular expression matching the name of dummy variables (i.e. expected to
+# not be used).
+dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore.
+ignored-argument-names=_.*|^ignored_|^unused_
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# List of qualified module names which can have objects that can redefine
+# builtins.
+redefining-builtins-modules=six.moves,past.builtins,future.builtins,builtins,io
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,
+                      __new__,
+                      setUp,
+                      __post_init__
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,
+                  _fields,
+                  _replace,
+                  _source,
+                  _make
+                  _rows
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=cls
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method.
+max-args=6
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=15
+
+# Maximum number of boolean expressions in an if statement (see R0916).
+max-bool-expr=5
+
+# Maximum number of branch for function / method body.
+max-branches=12
+
+# Maximum number of locals for function / method body.
+max-locals=15
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of return / yield for function / method body.
+max-returns=6
+
+# Maximum number of statements in function / method body.
+max-statements=50
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+
+[IMPORTS]
+
+# List of modules that can be imported at any level, not just the top level
+# one.
+allow-any-import-level=
+
+# Allow wildcard imports from modules that define __all__.
+allow-wildcard-with-all=no
+
+# Analyse import fallback blocks. This can be used to support both Python 2 and
+# 3 compatible code, which means that the block might have code that exists
+# only in one or another interpreter, leading to false positives when analysed.
+analyse-fallback-blocks=no
+
+# Deprecated modules which should not be used, separated by a comma.
+deprecated-modules=optparse,tkinter.tix
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled).
+ext-import-graph=
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled).
+import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled).
+int-import-graph=
+
+# Force import order to recognize a module as part of the standard
+# compatibility libraries.
+known-standard-library=
+
+# Force import order to recognize a module as part of a third party library.
+known-third-party=enchant
+
+# Couples of modules and preferred modules, separated by a comma.
+preferred-modules=
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "BaseException, Exception".
+overgeneral-exceptions=BaseException,
+                       Exception