kallithea Files · rhodecode/lib/app

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Location: kallithea/rhodecode/lib/app_globals.py

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Mads Kiilerich

follow Python conventions for boolean values

True and False might be singletons and the "default" values for "boolean"
expressions, but "all" values in Python has a boolean value and should be
evaluated as such. Checking with 'is True' and 'is False' is thus confusing,
error prone and unnessarily complex.

If we anywhere rely and nullable boolean fields from the database layer and
don't want the null value to be treated as False then we should check
explicitly for null with 'is None'.

"""The application's Globals object"""

from beaker.cache import CacheManager
from beaker.util import parse_cache_config_options


class Globals(object):
    """Globals acts as a container for objects available throughout the
    life of the application

    """

    def __init__(self, config):
        """One instance of Globals is created during application
        initialization and is available during requests via the
        'app_globals' variable

        """
        self.cache = CacheManager(**parse_cache_config_options(config))
        self.available_permissions = None   # propagated after init_model