kallithea Files · rhodecode/lib/dbmigrate/migrate/versioning/util/importpath.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'.

import os
import sys

def import_path(fullpath):
    """ Import a file with full path specification. Allows one to
        import from anywhere, something __import__ does not do.
    """
    # http://zephyrfalcon.org/weblog/arch_d7_2002_08_31.html
    path, filename = os.path.split(fullpath)
    filename, ext = os.path.splitext(filename)
    sys.path.append(path)
    module = __import__(filename)
    reload(module) # Might be out of date during tests
    del sys.path[-1]
    return module