Ejemplo n.º 1
0
def test_roundtrip(tmpdir):

    settings = SettingRegistry()
    settings.add('STRING', 'green', str)
    settings.add('INT', 3, int)
    settings.add('FLOAT', 5.5, float)
    settings.add('LIST', [1, 2, 3], list)

    with patch('glue.config.settings', settings):
        with patch('glue.config.CFG_DIR', tmpdir.strpath):

            settings.STRING = 'blue'
            settings.INT = 4
            settings.FLOAT = 3.5
            settings.LIST = ['A', 'BB', 'CCC']

            save_settings()

            assert os.path.exists(os.path.join(tmpdir.strpath, 'settings.cfg'))

            settings.STRING = 'red'
            settings.INT = 3
            settings.FLOAT = 4.5
            settings.LIST = ['DDD', 'EE', 'F']

            load_settings()

            assert settings.STRING == 'blue'
            assert settings.INT == 4
            assert settings.FLOAT == 3.5
            assert settings.LIST == ['A', 'BB', 'CCC']
Ejemplo n.º 2
0
Archivo: main.py Proyecto: PennyQ/glue
def load_plugins(splash=None):

    # Search for plugins installed via entry_points. Basically, any package can
    # define plugins for glue, and needs to define an entry point using the
    # following format:
    #
    # entry_points = """
    # [glue.plugins]
    # webcam_importer=glue_exp.importers.webcam:setup
    # vizier_importer=glue_exp.importers.vizier:setup
    # dataverse_importer=glue_exp.importers.dataverse:setup
    # """
    #
    # where ``setup`` is a function that does whatever is needed to set up the
    # plugin, such as add items to various registries.

    import setuptools
    logger.info("Loading external plugins using "
                "setuptools=={0}".format(setuptools.__version__))

    from glue._plugin_helpers import iter_plugin_entry_points, PluginConfig
    config = PluginConfig.load()

    n_plugins = len(list(iter_plugin_entry_points()))

    for iplugin, item in enumerate(iter_plugin_entry_points()):

        if item.module_name not in _installed_plugins:
            _installed_plugins.add(item.name)

        if item.module_name in _loaded_plugins:
            logger.info("Plugin {0} already loaded".format(item.name))
            continue

        if not config.plugins[item.name]:
            continue

        try:
            function = item.load()
            function()
        except Exception as exc:
            logger.info("Loading plugin {0} failed "
                        "(Exception: {1})".format(item.name, exc))
        else:
            logger.info("Loading plugin {0} succeeded".format(item.name))
            _loaded_plugins.add(item.module_name)

        if splash is not None:
            splash.set_progress(100. * iplugin / float(n_plugins))

    try:
        config.save()
    except Exception as e:
        logger.warn("Failed to load plugin configuration")

    # Reload the settings now that we have loaded plugins, since some plugins
    # may have added some settings. Note that this will not re-read settings
    # that were previously read.
    from glue._settings_helpers import load_settings
    load_settings()
Ejemplo n.º 3
0
def test_roundtrip(tmpdir):

    settings = SettingRegistry()
    settings.add('STRING', 'green', str)
    settings.add('INT', 3, int)
    settings.add('FLOAT', 5.5, float)
    settings.add('LIST', [1,2,3], list)

    with patch('glue.config.settings', settings):
        with patch('glue.config.CFG_DIR', tmpdir.strpath):

            settings.STRING = 'blue'
            settings.INT = 4
            settings.FLOAT = 3.5
            settings.LIST = ['A', 'BB', 'CCC']

            save_settings()

            assert os.path.exists(os.path.join(tmpdir.strpath, 'settings.cfg'))

            settings.STRING = 'red'
            settings.INT = 3
            settings.FLOAT = 4.5
            settings.LIST = ['DDD', 'EE', 'F']

            load_settings()

            assert settings.STRING == 'blue'
            assert settings.INT == 4
            assert settings.FLOAT == 3.5
            assert settings.LIST == ['A', 'BB', 'CCC']
Ejemplo n.º 4
0
def load_plugins(splash=None):

    # Search for plugins installed via entry_points. Basically, any package can
    # define plugins for glue, and needs to define an entry point using the
    # following format:
    #
    # entry_points = """
    # [glue.plugins]
    # webcam_importer=glue_exp.importers.webcam:setup
    # vizier_importer=glue_exp.importers.vizier:setup
    # dataverse_importer=glue_exp.importers.dataverse:setup
    # """
    #
    # where ``setup`` is a function that does whatever is needed to set up the
    # plugin, such as add items to various registries.

    import setuptools
    logger.info("Loading external plugins using "
                "setuptools=={0}".format(setuptools.__version__))

    from glue._plugin_helpers import iter_plugin_entry_points, PluginConfig
    config = PluginConfig.load()

    n_plugins = len(list(iter_plugin_entry_points()))

    for iplugin, item in enumerate(iter_plugin_entry_points()):

        if item.module_name not in _installed_plugins:
            _installed_plugins.add(item.name)

        if item.module_name in _loaded_plugins:
            logger.info("Plugin {0} already loaded".format(item.name))
            continue

        if not config.plugins[item.name]:
            continue

        try:
            function = item.load()
            function()
        except Exception as exc:
            logger.info("Loading plugin {0} failed "
                        "(Exception: {1})".format(item.name, exc))
        else:
            logger.info("Loading plugin {0} succeeded".format(item.name))
            _loaded_plugins.add(item.module_name)

        if splash is not None:
            splash.set_progress(100. * iplugin / float(n_plugins))

    try:
        config.save()
    except Exception as e:
        logger.warn("Failed to load plugin configuration")

    # Reload the settings now that we have loaded plugins, since some plugins
    # may have added some settings. Note that this will not re-read settings
    # that were previously read.
    from glue._settings_helpers import load_settings
    load_settings()
Ejemplo n.º 5
0
def test_roundtrip(tmpdir):

    settings = SettingRegistry()

    settings.add('STRING', 'green', str)
    settings.add('INT', 3, int)
    settings.add('FLOAT', 5.5, float)
    settings.add('LIST', [1,2,3], list)

    with patch('glue.config.settings', settings):
        with patch('glue.config.CFG_DIR', tmpdir.strpath):

            settings.STRING = 'blue'
            settings.INT = 4
            settings.FLOAT = 3.5
            settings.LIST = ['A', 'BB', 'CCC']

            settings.reset_defaults()

            assert settings.STRING == 'green'
            assert settings.INT == 3
            assert settings.FLOAT == 5.5
            assert settings.LIST == [1, 2, 3]

            settings.STRING = 'blue'
            settings.INT = 4
            settings.FLOAT = 3.5
            settings.LIST = ['A', 'BB', 'CCC']

            save_settings()

            assert os.path.exists(os.path.join(tmpdir.strpath, 'settings.cfg'))

            settings.reset_defaults()

            settings.STRING = 'red'
            settings.INT = 5

            # Loading settings will only change settings that have not been 
            # changed from the defaults...
            load_settings()

            assert settings.STRING == 'red'
            assert settings.INT == 5
            assert settings.FLOAT == 3.5
            assert settings.LIST == ['A', 'BB', 'CCC']

            # ... unless the ``force=True`` option is passed
            load_settings(force=True)

            assert settings.STRING == 'blue'
            assert settings.INT == 4
            assert settings.FLOAT == 3.5
            assert settings.LIST == ['A', 'BB', 'CCC']
Ejemplo n.º 6
0
def test_roundtrip(tmpdir):

    settings = SettingRegistry()

    settings.add('STRING', 'green', str)
    settings.add('INT', 3, int)
    settings.add('FLOAT', 5.5, float)
    settings.add('LIST', [1, 2, 3], list)

    with patch('glue.config.settings', settings):
        with patch('glue.config.CFG_DIR', tmpdir.strpath):

            settings.STRING = 'blue'
            settings.INT = 4
            settings.FLOAT = 3.5
            settings.LIST = ['A', 'BB', 'CCC']

            settings.reset_defaults()

            assert settings.STRING == 'green'
            assert settings.INT == 3
            assert settings.FLOAT == 5.5
            assert settings.LIST == [1, 2, 3]

            settings.STRING = 'blue'
            settings.INT = 4
            settings.FLOAT = 3.5
            settings.LIST = ['A', 'BB', 'CCC']

            save_settings()

            assert os.path.exists(os.path.join(tmpdir.strpath, 'settings.cfg'))

            settings.reset_defaults()

            settings.STRING = 'red'
            settings.INT = 5

            # Loading settings will only change settings that have not been
            # changed from the defaults...
            load_settings()

            assert settings.STRING == 'red'
            assert settings.INT == 5
            assert settings.FLOAT == 3.5
            assert settings.LIST == ['A', 'BB', 'CCC']

            # ... unless the ``force=True`` option is passed
            load_settings(force=True)

            assert settings.STRING == 'blue'
            assert settings.INT == 4
            assert settings.FLOAT == 3.5
            assert settings.LIST == ['A', 'BB', 'CCC']
Ejemplo n.º 7
0
def load_plugins(splash=None, require_qt_plugins=False):

    # Search for plugins installed via entry_points. Basically, any package can
    # define plugins for glue, and needs to define an entry point using the
    # following format:
    #
    # entry_points = """
    # [glue.plugins]
    # webcam_importer=glue_exp.importers.webcam:setup
    # vizier_importer=glue_exp.importers.vizier:setup
    # dataverse_importer=glue_exp.importers.dataverse:setup
    # """
    #
    # where ``setup`` is a function that does whatever is needed to set up the
    # plugin, such as add items to various registries.

    import setuptools
    logger.info("Loading external plugins using "
                "setuptools=={0}".format(setuptools.__version__))

    from glue._plugin_helpers import iter_plugin_entry_points, PluginConfig
    config = PluginConfig.load()

    n_plugins = len(list(iter_plugin_entry_points()))

    for iplugin, item in enumerate(iter_plugin_entry_points()):

        if item.module_name not in _installed_plugins:
            _installed_plugins.add(item.name)

        if item.module_name in _loaded_plugins:
            logger.info("Plugin {0} already loaded".format(item.name))
            continue

        if not config.plugins[item.name]:
            continue

        # We don't use item.load() because that then checks requirements of all
        # the imported packages, which can lead to errors like this one that
        # don't really matter:
        #
        # Exception: (pytest 2.6.0 (/Users/tom/miniconda3/envs/py27/lib/python2.7/site-packages),
        #             Requirement.parse('pytest>=2.8'), set(['astropy']))
        #
        # Just to be clear, this kind of error does indicate that there is an
        # old version of a package in the environment, but this can confuse
        # users as importing astropy directly would work (as setuptools then
        # doesn't do a stringent test of dependency versions). Often this kind
        # of error can occur if there is a conda version of a package and and
        # older pip version.

        try:
            module = import_module(item.module_name)
            function = getattr(module, item.attrs[0])
            function()
        except Exception as exc:
            # Here we check that some of the 'core' plugins load well and
            # raise an actual exception if not.
            if item.module_name in REQUIRED_PLUGINS:
                raise
            elif item.module_name in REQUIRED_PLUGINS_QT and require_qt_plugins:
                raise
            else:
                logger.info("Loading plugin {0} failed "
                            "(Exception: {1})".format(item.name, exc))
        else:
            logger.info("Loading plugin {0} succeeded".format(item.name))
            _loaded_plugins.add(item.module_name)

        if splash is not None:
            splash.set_progress(100. * iplugin / float(n_plugins))

    try:
        config.save()
    except Exception as e:
        logger.warn("Failed to load plugin configuration")

    # Reload the settings now that we have loaded plugins, since some plugins
    # may have added some settings. Note that this will not re-read settings
    # that were previously read.
    from glue._settings_helpers import load_settings
    load_settings()
Ejemplo n.º 8
0
from .qglue import qglue

from .version import __version__

from .main import load_plugins

def test(no_optional_skip=False):
    from pytest import main
    root = os.path.abspath(os.path.dirname(__file__))
    args = [root, '-x']
    if no_optional_skip:
        args.append('--no-optional-skip')
    return main(args=args)

from glue._settings_helpers import load_settings
load_settings()


# In PyQt 5.5+, PyQt overrides the default exception catching and fatally
# crashes the Qt application without printing out any details about the error.
# Below we revert the exception hook to the original Python one. Note that we
# can't just do sys.excepthook = sys.__excepthook__ otherwise PyQt will detect
# the default excepthook is in place and override it.


def handle_exception(exc_type, exc_value, exc_traceback):
    sys.__excepthook__(exc_type, exc_value, exc_traceback)

sys.excepthook = handle_exception
Ejemplo n.º 9
0
def load_plugins(splash=None):

    # Search for plugins installed via entry_points. Basically, any package can
    # define plugins for glue, and needs to define an entry point using the
    # following format:
    #
    # entry_points = """
    # [glue.plugins]
    # webcam_importer=glue_exp.importers.webcam:setup
    # vizier_importer=glue_exp.importers.vizier:setup
    # dataverse_importer=glue_exp.importers.dataverse:setup
    # """
    #
    # where ``setup`` is a function that does whatever is needed to set up the
    # plugin, such as add items to various registries.

    import setuptools
    logger.info("Loading external plugins using "
                "setuptools=={0}".format(setuptools.__version__))

    from glue._plugin_helpers import iter_plugin_entry_points, PluginConfig
    config = PluginConfig.load()

    n_plugins = len(list(iter_plugin_entry_points()))

    for iplugin, item in enumerate(iter_plugin_entry_points()):

        if item.module_name not in _installed_plugins:
            _installed_plugins.add(item.name)

        if item.module_name in _loaded_plugins:
            logger.info("Plugin {0} already loaded".format(item.name))
            continue

        if not config.plugins[item.name]:
            continue

        # We don't use item.load() because that then checks requirements of all
        # the imported packages, which can lead to errors like this one that
        # don't really matter:
        #
        # Exception: (pytest 2.6.0 (/Users/tom/miniconda3/envs/py27/lib/python2.7/site-packages),
        #             Requirement.parse('pytest>=2.8'), set(['astropy']))
        #
        # Just to be clear, this kind of error does indicate that there is an
        # old version of a package in the environment, but this can confuse
        # users as importing astropy directly would work (as setuptools then
        # doesn't do a stringent test of dependency versions). Often this kind
        # of error can occur if there is a conda version of a package and and
        # older pip version.

        try:
            module = import_module(item.module_name)
            function = getattr(module, item.attrs[0])
            function()
        except Exception as exc:
            # Here we check that some of the 'core' plugins load well and
            # raise an actual exception if not.
            if item.module_name in REQUIRED_PLUGINS:
                raise
            else:
                logger.info("Loading plugin {0} failed "
                            "(Exception: {1})".format(item.name, exc))
        else:
            logger.info("Loading plugin {0} succeeded".format(item.name))
            _loaded_plugins.add(item.module_name)

        if splash is not None:
            splash.set_progress(100. * iplugin / float(n_plugins))

    try:
        config.save()
    except Exception as e:
        logger.warn("Failed to load plugin configuration")

    # Reload the settings now that we have loaded plugins, since some plugins
    # may have added some settings. Note that this will not re-read settings
    # that were previously read.
    from glue._settings_helpers import load_settings
    load_settings()
Ejemplo n.º 10
0
from .version import __version__  # noqa

from .main import load_plugins  # noqa


def test(no_optional_skip=False):
    from pytest import main
    root = os.path.abspath(os.path.dirname(__file__))
    args = [root, '-x']
    if no_optional_skip:
        args.append('--no-optional-skip')
    return main(args=args)


from glue._settings_helpers import load_settings
load_settings()

# In PyQt 5.5+, PyQt overrides the default exception catching and fatally
# crashes the Qt application without printing out any details about the error.
# Below we revert the exception hook to the original Python one. Note that we
# can't just do sys.excepthook = sys.__excepthook__ otherwise PyQt will detect
# the default excepthook is in place and override it.


def handle_exception(exc_type, exc_value, exc_traceback):
    sys.__excepthook__(exc_type, exc_value, exc_traceback)


sys.excepthook = handle_exception