Function _add_compat

magic/__init__.py:431–466

(to_module)

# resolve, We ship a copy of that module, and expose it's functions
# wrapped in deprecation warnings.
def _add_compat(to_module):
    import warnings, re
    from magic import compat

    def deprecation_wrapper(fn):
        def _(*args, **kwargs):
            warnings.warn(
                "Using compatibility mode with libmagic's python binding. "
                "See https://github.com/ahupp/python-magic/blob/master/COMPAT.md for details.",
                PendingDeprecationWarning)

            return fn(*args, **kwargs)

        return _

    fn = ['detect_from_filename',
          'detect_from_content',
          'detect_from_fobj',
          'open']
    for fname in fn:
        to_module[fname] = deprecation_wrapper(compat.__dict__[fname])

    # copy constants over, ensuring there's no conflicts
    is_const_re = re.compile("^[A-Z_]+$")
    allowed_inconsistent = set(['MAGIC_MIME'])
    for name, value in compat.__dict__.items():
        if is_const_re.match(name):
            if name in to_module:
                if name in allowed_inconsistent:
                    continue
                if to_module[name] != value:
                    raise Exception("inconsistent value for " + name)
                else:
                    continue
            else:
                to_module[name] = value


_add_compat(globals())