解决AttributeError: 'module' object has no attribute 'main' 安装第三方包报错

1.找到pycharm 目录下的 \helper\packaging_tool.py 文件

2.用新版pycharm 的packaging_tool.py 替换 旧版 同名文件

文件代码如下：

import sys

import traceback

import getopt

import os

 

ERROR_WRONG_USAGE = 1

ERROR_NO_PIP = 2

ERROR_NO_SETUPTOOLS = 3

ERROR_EXCEPTION = 4

 

os.putenv("PIP_REQUIRE_VIRTUALENV", "false")

 

def exit(retcode):

    major, minor, micro, release, serial = sys.version_info

    version = major * 10 + minor

    if version < 25:

        import os

        os._exit(retcode)

    else:

        sys.exit(retcode)

 

 

def usage():

    sys.stderr.write('Usage: packaging_tool.py <list|install|uninstall|pyvenv>\n')

    sys.stderr.flush()

    exit(ERROR_WRONG_USAGE)

 

 

def error(message, retcode):

    sys.stderr.write('Error: %s\n' % message)

    sys.stderr.flush()

    exit(retcode)

 

 

def error_no_pip():

    type, value, tb = sys.exc_info()

    if tb is not None and tb.tb_next is None:

        error("Python packaging tool 'pip' not found", ERROR_NO_PIP)

    else:

        error(traceback.format_exc(), ERROR_EXCEPTION)

 

 

def do_list():

    try:

        import pkg_resources

    except ImportError:

        error("Python packaging tool 'setuptools' not found", ERROR_NO_SETUPTOOLS)

    for pkg in pkg_resources.working_set:

        try:

            requirements = pkg.requires()

        except Exception:

            requirements = []

        requires = ':'.join([str(x) for x in requirements])

        sys.stdout.write('\t'.join([pkg.project_name, pkg.version, pkg.location, requires])+chr(10))

    sys.stdout.flush()

 

 

def do_install(pkgs):  

    return pip_main(['install'] + pkgs)

 

 

def do_uninstall(pkgs):

    return pip_main(['uninstall', '-y'] + pkgs)

 

 

def pip_main(args):

    try:

        import pip

    except ImportError:

        error_no_pip()

 

    try:

        func = pip.main

    except AttributeError:

        from pip._internal import main as func

 

    func(args)

 

 

def do_pyvenv(path, system_site_packages):

    try:

        import venv

    except ImportError:

        error("Standard Python 'venv' module not found", ERROR_EXCEPTION)

    # In Python >= 3.4 venv.create() has a new parameter with_pip=False

    # that allows to automatically install setuptools and pip with the module

    # ensurepip. Unfortunately, we cannot use this parameter and have to

    # bootstrap these packages ourselves, since some distributions of CPython

    # on Ubuntu don't include ensurepip.

    venv.create(path, system_site_packages=system_site_packages)

 

 

def do_untar(name):

    import tempfile

 

    directory_name = tempfile.mkdtemp("pycharm-management")

 

    import tarfile

 

    tar = tarfile.open(name)

    for item in tar:

        tar.extract(item, directory_name)

 

    sys.stdout.write(directory_name+chr(10))

    sys.stdout.flush()

    return 0

 

 

def mkdtemp_ifneeded():

    try:

        ind = sys.argv.index('--build-dir')

        if not os.path.exists(sys.argv[ind + 1]):

            import tempfile

 

            sys.argv[ind + 1] = tempfile.mkdtemp('pycharm-packaging')

            return sys.argv[ind + 1]

    except:

        pass

 

    return None

 

 

def main():

    try:

        # As a workaround for #885 in setuptools, don't expose other helpers

        # in sys.path so as not no confuse it with possible combination of

        # namespace/ordinary packages

        sys.path.remove(os.path.dirname(__file__))

    except ValueError:

        pass

 

    retcode = 0

    try:

        if len(sys.argv) < 2:

            usage()

        cmd = sys.argv[1]

        if cmd == 'list':

            if len(sys.argv) != 2:

                usage()

            do_list()

        elif cmd == 'install':

            if len(sys.argv) < 2:

                usage()

 

            rmdir = mkdtemp_ifneeded()

 

            pkgs = sys.argv[2:]

            retcode = do_install(pkgs)

 

            if rmdir is not None:

                import shutil

                shutil.rmtree(rmdir)

 

 

        elif cmd == 'untar':

            if len(sys.argv) < 2:

                usage()

            name = sys.argv[2]

            retcode = do_untar(name)

        elif cmd == 'uninstall':

            if len(sys.argv) < 2:

                usage()

            pkgs = sys.argv[2:]

            retcode = do_uninstall(pkgs)

        elif cmd == 'pyvenv':

            opts, args = getopt.getopt(sys.argv[2:], '', ['system-site-packages'])

            if len(args) != 1:

                usage()

            path = args[0]

            system_site_packages = False

            for opt, arg in opts:

                if opt == '--system-site-packages':

                    system_site_packages = True

            do_pyvenv(path, system_site_packages)

        else:

            usage()

    except Exception:

        traceback.print_exc()

        exit(ERROR_EXCEPTION)

    exit(retcode)

 

if __name__ == '__main__':

    main()

 

替换掉代码即可