python类get_distribution()的实例源码

def check_if_exists(self):
        """Find an installed distribution that satisfies or conflicts
        with this requirement, and set self.satisfied_by or
        self.conflicts_with appropriately."""

        if self.req is None:
            return False
        try:
            self.satisfied_by = pkg_resources.get_distribution(self.req)
        except pkg_resources.DistributionNotFound:
            return False
        except pkg_resources.VersionConflict:
            existing_dist = pkg_resources.get_distribution(self.req.project_name)
            if self.use_user_site:
                if dist_in_usersite(existing_dist):
                    self.conflicts_with = existing_dist
                elif running_under_virtualenv() and dist_in_site_packages(existing_dist):
                    raise InstallationError("Will not install to the user site because it will lack sys.path precedence to %s in %s"
                                            %(existing_dist.project_name, existing_dist.location))
            else:
                self.conflicts_with = existing_dist
        return True

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def list_package_entrypoints(package_name, ep_types=None, skips=None,
                             filters=None):
    eps = pkg_resources.get_entry_map(
        pkg_resources.get_distribution(package_name))

    if not ep_types:
        ep_types = eps.keys()
    if not skips:
        skips = []
    if not filters:
        filters = []

    if len(ep_types) == 1:
        names = filter_ep_names(eps, ep_types[0], skips=skips,
                                filters=filters)
        if names:
            print(','.join(names))
    else:
        for ep_t in ep_types:
            print("%s=%s" % (ep_t,
                             ','.join(filter_ep_names(eps, ep_t,
                                                      skips=skips,
                                                      filters=filters))))

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel']  # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def send_usage_stats():
    try:
        version = pkg_resources.get_distribution('target-csv').version
        conn = http.client.HTTPSConnection('collector.stitchdata.com', timeout=10)
        conn.connect()
        params = {
            'e': 'se',
            'aid': 'singer',
            'se_ca': 'target-csv',
            'se_ac': 'open',
            'se_la': version,
        }
        conn.request('GET', '/i?' + urllib.parse.urlencode(params))
        response = conn.getresponse()
        conn.close()
    except:
        logger.debug('Collection request failed')

def get_user_agent_default(pkg_name='cloudaux'):
    """ 
    Get default User Agent String.

    Try to import pkg_name to get an accurate version number.

    return: string
    """
    version = '0.0.1'
    try:
        import pkg_resources
        version = pkg_resources.get_distribution(pkg_name).version
    except pkg_resources.DistributionNotFound:
        pass
    except ImportError:
        pass

    return 'cloudaux/%s' % (version)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def collect():
    '''Send usage info to Stitch.'''

    try:
        version = pkg_resources.get_distribution('target-stitch').version
        conn = http.client.HTTPSConnection('collector.stitchdata.com', timeout=10)
        conn.connect()
        params = {
            'e': 'se',
            'aid': 'singer',
            'se_ca': 'target-stitch',
            'se_ac': 'open',
            'se_la': version,
        }
        conn.request('GET', '/i?' + urllib.parse.urlencode(params))
        conn.getresponse()
        conn.close()
    except: # pylint: disable=bare-except
        LOGGER.debug('Collection request failed')

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def __call__(self, parser, *a):
        try:
            pyldap = get_distribution('pyldap')
        except Exception:  # pragma: nocover_py3
            pyldap = get_distribution('python-ldap')

        version = (
            "%(package)s %(version)s\n"
            "%(pyldap)s %(ldapversion)s\n"
            "Python %(pyversion)s\n"
        ) % dict(
            package=__package__,
            version=__version__,
            pyversion=sys.version,
            pyldap=pyldap.project_name,
            ldapversion=pyldap.version,

        )
        print(version.strip())
        parser.exit()

def ensure_extra_versions_supported(extra):
    # as this is an optional aid, don't fail if on old version of pip
    try:
        talisker_pkg = pkg_resources.get_distribution('talisker')
        extra_deps = (
            set(talisker_pkg.requires([extra])) - set(talisker_pkg.requires())
        )
        for requirement in extra_deps:
            pkg = pkg_resources.get_distribution(requirement.project_name)
            if pkg.version not in requirement.specifier:
                raise TaliskerVersionException(
                    '{} {} is not supported ({})'.format(
                        requirement.project_name, pkg.version, requirement))
    except Exception:
        logging.getLogger(__name__).debug(
            'skipping ensure_extra_versions_supported as exception occured')

    return True


# module level caches for global objects, means we can store all globals in
# a single place. This is useful when testing, as we can reset globals easily.

def isLatestVersion():
    currentVersion = pkg_resources.get_distribution('catalearn').version

    r = requests.get('https://pypi.python.org/simple/catalearn/')
    soup = BeautifulSoup(r.text, "html5lib")
    allVersions = []
    for link in soup.find_all('a'):
        text = link.get_text()
        result = re.search('catalearn-(.+)-py3-none-any\.whl', text)
        if result:
            allVersions.append(result.group(1))

    allVersions.sort()
    latestVersion = allVersions[-1]

    return currentVersion == latestVersion

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel']  # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def _get_info(name):
    metadata = _get_metadata(name)
    version = pkg_resources.get_distribution(name).version
    if metadata:
        if metadata['is_release']:
            released = 'released'
        else:
            released = 'pre-release'
        sha = metadata['git_version']
    else:
        version_parts = version.split('.')
        if version_parts[-1].startswith('g'):
            sha = version_parts[-1][1:]
            released = 'pre-release'
        else:
            sha = ""
            released = "released"
            for part in version_parts:
                if not part.isdigit():
                    released = "pre-release"
    return dict(name=name, version=version, sha=sha, released=released)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def pkg_info(project_name=None, include_extras=False):
    if project_name is None:
        project_name = PROJECT_NAME
    try:
        distribution = pkg_resources.get_distribution(project_name)
        extras = include_extras and distribution.extras or []
        dependencies = [
            pkg_info(d) for d in distribution.requires(extras)]
        return {
            'name': project_name,
            'version': distribution.version,
            'path': distribution.location,
            'dependencies': dependencies,
        }
    except pkg_resources.ResolutionError:
        return {
            'name': project_name,
        }

def banner():
    title = (BCYAN + center_lines("""\
?????????? ????????
???????????????????
???????????????????
???????????????????
??????  ???????????
??????  ???????????\
""", COLS) + END)
    for num in range(0, 6):
        os.system("clear || cls")
        if num % 2 == 1:
            print(BRED + center_unicode("??   ??  ??    ??  ??   \r", COLS))
        else:
            print("")
        print(title)
        sleep(0.3)
    flush_puts(center_colors("{0}Ironic Redistribution System ({1}IRS{2})"
                             .format(BYELLOW, BRED, BYELLOW), COLS))

    flush_puts(center_colors("{0}Made with ??  by: {1}Kepoor Hampond \
({2}kepoorhampond{3})".format(BBLUE, BYELLOW, BRED, BYELLOW) + END, COLS))

    flush_puts(center_colors("{0}Version: {1}".format(BBLUE, BYELLOW) +
               pkg_resources.get_distribution("irs").version, COLS))

def cli(ctx):
    """Check the latest Apio version."""

    current_version = get_distribution('apio').version
    latest_version = get_pypi_latest_version()

    if latest_version is None:
        ctx.exit(1)

    if latest_version == current_version:
        click.secho('You\'re up-to-date!\nApio {} is currently the '
                    'newest version available.'.format(latest_version),
                    fg='green')
    else:
        click.secho('You\'re not updated\nPlease execute '
                    '`pip install -U apio` to upgrade.',
                    fg="yellow")

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def _get_info(name):
    metadata = _get_metadata(name)
    version = pkg_resources.get_distribution(name).version
    if metadata:
        if metadata['is_release']:
            released = 'released'
        else:
            released = 'pre-release'
        sha = metadata['git_version']
    else:
        version_parts = version.split('.')
        if version_parts[-1].startswith('g'):
            sha = version_parts[-1][1:]
            released = 'pre-release'
        else:
            sha = ""
            released = "released"
            for part in version_parts:
                if not part.isdigit():
                    released = "pre-release"
    return dict(name=name, version=version, sha=sha, released=released)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)

def install_scripts(distributions):
    """
    Regenerate the entry_points console_scripts for the named distribution.
    """
    try:
        from setuptools.command import easy_install
        import pkg_resources
    except ImportError:
        raise RuntimeError("'wheel install_scripts' needs setuptools.")

    for dist in distributions:
        pkg_resources_dist = pkg_resources.get_distribution(dist)
        install = wheel.paths.get_install_command(dist)
        command = easy_install.easy_install(install.distribution)
        command.args = ['wheel'] # dummy argument
        command.finalize_options()
        command.install_egg_scripts(pkg_resources_dist)