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# -*- coding: utf-8 -*-
""" 
Provides a function to report all internal modules for using freezing tools 
pytest 
""" 
from __future__ import absolute_import 
from __future__ import division 
from __future__ import print_function 
 
 
def freeze_includes(): 
    """ 
    Returns a list of module names used by pytest that should be 
    included by cx_freeze. 
    """ 
    import py 
    import _pytest 
 
    result = list(_iter_all_modules(py)) 
    result += list(_iter_all_modules(_pytest)) 
    return result 
 
 
def _iter_all_modules(package, prefix=""): 
    """ 
    Iterates over the names of all modules that can be found in the given 
    package, recursively. 
    Example: 
        _iter_all_modules(_pytest) -> 
            ['_pytest.assertion.newinterpret', 
             '_pytest.capture', 
             '_pytest.core', 
             ... 
            ] 
    """ 
    import os 
    import pkgutil 
 
    if type(package) is not str: 
        path, prefix = package.__path__[0], package.__name__ + "." 
    else: 
        path = package 
    for _, name, is_package in pkgutil.iter_modules([path]): 
        if is_package: 
            for m in _iter_all_modules(os.path.join(path, name), prefix=name + "."): 
                yield prefix + m 
        else: 
            yield prefix + name