Python pkg_resources 模块，Distribution() 实例源码

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist',('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename+'.egg')

def run(self):
        from setuptools.command.easy_install import get_script_args
        from setuptools.command.easy_install import sys_executable

        self.run_command("egg_info")
        if self.distribution.scripts:
            _install_scripts.run(self)  # run first to set up self.outfiles
        else:
            self.outfiles = []
        if self.no_ep:
            # don't install entry point scripts into .egg file!
            return

        ei_cmd = self.get_finalized_command("egg_info")
        dist = Distribution(
            ei_cmd.egg_base, PathMetadata(ei_cmd.egg_base, ei_cmd.egg_info),
            ei_cmd.egg_name, ei_cmd.egg_version,
        )
        bs_cmd = self.get_finalized_command('build_scripts')
        executable = getattr(bs_cmd,'executable',sys_executable)
        is_wininst = getattr(
            self.get_finalized_command("bdist_wininst"), '_is_running', False
        )
        for args in get_script_args(dist, executable, is_wininst):
            self.write_script(*args)

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist',('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename+'.egg')

def run(self):
        from setuptools.command.easy_install import get_script_args
        from setuptools.command.easy_install import sys_executable

        self.run_command("egg_info")
        if self.distribution.scripts:
            _install_scripts.run(self)  # run first to set up self.outfiles
        else:
            self.outfiles = []
        if self.no_ep:
            # don't install entry point scripts into .egg file!
            return

        ei_cmd = self.get_finalized_command("egg_info")
        dist = Distribution(
            ei_cmd.egg_base, PathMetadata(ei_cmd.egg_base, ei_cmd.egg_info),
            ei_cmd.egg_name, ei_cmd.egg_version,
        )
        bs_cmd = self.get_finalized_command('build_scripts')
        executable = getattr(bs_cmd,'executable',sys_executable)
        is_wininst = getattr(
            self.get_finalized_command("bdist_wininst"), '_is_running', False
        )
        for args in get_script_args(dist, executable, is_wininst):
            self.write_script(*args)

def test_no_op_default(self):
        working_set = mocks.WorkingSet({'regname': [
            'calmjs.testing.module1 = calmjs.testing.module1',
        ]}, dist=Distribution(project_name='some.project', version='1.0'))
        with pretty_logging(stream=mocks.StringIO()) as s:
            base.BasePkgRefRegistry('regname', _working_set=working_set)
        self.assertIn(
            "registering 1 entry points for registry 'regname'", s.getvalue())
        self.assertIn(
            "registering entry point 'calmjs.testing.module1 = "
            "calmjs.testing.module1' from 'some.project 1.0'", s.getvalue())
        self.assertIn(
            "registration of entry point 'calmjs.testing.module1 = "
            "calmjs.testing.module1' from 'some.project 1.0' to registry "
            "'regname' failed",
            s.getvalue())
        self.assertIn('NotImplemented', s.getvalue())

def test_simple_record(self):
        working_set = mocks.WorkingSet({__name__: [
            'dummy/whatever/module.js = module',
            'dummy/whatever/module-slim.js = module',
        ]}, dist=Distribution(project_name='calmjs.testing'))

        registry = base.BaseExternalModuleRegistry(
            __name__, _working_set=working_set)

        self.assertEqual(len(registry.raw_entry_points), 2)
        self.assertEqual(registry.get_record('module'), {
            'dummy/whatever/module.js',
            'dummy/whatever/module-slim.js',
        })
        self.assertEqual(list(registry.iter_records()), [('module', {
            'dummy/whatever/module.js',
            'dummy/whatever/module-slim.js',
        })])

        self.assertEqual(registry.get_records_for_package('calmjs.testing'), [
            'dummy/whatever/module.js',
            'dummy/whatever/module-slim.js',
        ])

def test_pkg_manager_view_extras_requires(self):
        working_set = self.setup_requirements_json()
        working_set.add(pkg_resources.Distribution(
            metadata=MockProvider({
                'requires.txt': '[dev]\ncalmpy.pip',
            }),
            project_name='site',
            version='0.0.0',
        ))
        driver = cli.PackageManagerDriver(
            pkg_manager_bin='mgr', pkgdef_filename='requirements.json',
            dep_keys=('require',),
        )
        result = driver.pkg_manager_view('site')
        self.assertEqual(result, {
            "require": {},
            "name": "site",
        })
        result = driver.pkg_manager_view('site[dev]')
        self.assertEqual(result, {
            "require": {"setuptools": "25.1.6"},
            # should be "site[dev]", but npm fails on that.
            "name": "site",
        })

def test_get_dist_package_decoding_error(self):
        # Quiet stdout from distutils logs
        stub_stdouts(self)

        # trailing comma
        package_json = '{"dependencies": {"left-pad": "~1.1.1"},}'
        # bad data could be created by a competiting package.
        mock_provider = MockProvider({
            self.pkgname: package_json,
        })
        mock_dist = pkg_resources.Distribution(
            metadata=mock_provider, project_name='dummydist', version='0.0.0')

        results = calmjs_dist.read_dist_egginfo_json(mock_dist)

        # Should still not fail.
        self.assertIsNone(results)

def test_build_calmjs_artifacts_standard(self):
        dist = distutils_dist.Distribution()
        build_cmd = dist.get_command_obj('build')
        original_subcmds = list(build_cmd.sub_commands)
        calmjs_dist.build_calmjs_artifacts(dist, 'build_artifact', False)
        self.assertEqual(original_subcmds, build_cmd.sub_commands)

        # keys are named after the build step.
        calmjs_dist.build_calmjs_artifacts(dist, 'build_artifact', True)
        self.assertEqual(
            ('build_artifact', calmjs_dist.has_calmjs_artifact_declarations),
            build_cmd.sub_commands[-1],
        )

        calmjs_dist.build_calmjs_artifacts(dist, 'calmjs_artifact', True)
        self.assertEqual(
            ('calmjs_artifact', calmjs_dist.has_calmjs_artifact_declarations),
            build_cmd.sub_commands[-1],
        )

def make_dummy_dist(testcase_inst, metadata_map=(),
                    pkgname='dummydist', version='0.0', working_dir=None):
    """
    Test case helper function for creating a distribution dummy that
    uses PathMetadata for the foundation for integration level testing.
    """

    if working_dir is None:
        working_dir = mkdtemp_singleton(testcase_inst)

    egg_info = '%s-%s.egg-info' % (pkgname, version)
    egg_info_dir = join(working_dir, egg_info)
    if not exists(egg_info_dir):
        makedirs(egg_info_dir)
    metadata = PathMetadata(working_dir, egg_info_dir)

    for fn, data in metadata_map:
        with open(join(egg_info_dir, fn), 'w') as fd:
            fd.write(data)

    return Distribution(
        working_dir, project_name=pkgname, metadata=metadata, version=version)

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')

def matches_requirement(req, wheels):
    """List of wheels matching a requirement.

    :param req: The requirement to satisfy
    :param wheels: List of wheels to search.
    """
    try:
        from pkg_resources import Distribution, Requirement
    except ImportError:
        raise RuntimeError("Cannot use requirements without pkg_resources")

    req = Requirement.parse(req)

    selected = []
    for wf in wheels:
        f = wf.parsed_filename
        dist = Distribution(project_name=f.group("name"), version=f.group("ver"))
        if dist in req:
            selected.append(wf)
    return selected

def finalize_options(self):
        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
        self.egg_info = ei_cmd.egg_info

        if self.bdist_dir is None:
            bdist_base = self.get_finalized_command('bdist').bdist_base
            self.bdist_dir = os.path.join(bdist_base, 'egg')

        if self.plat_name is None:
            self.plat_name = get_build_platform()

        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))

        if self.egg_output is None:

            # Compute filename of the output egg
            basename = Distribution(
                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
                get_python_version(),
                self.distribution.has_ext_modules() and self.plat_name
            ).egg_name()

            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')