How to use _dot_lookup method in autotest

Best Python code snippet using autotest_python

Importer.py

Source:Importer.py

1# Python Libraries / LibrerÃas Python2from importlib import import_module3from pkgutil import iter_modules4# Application Libraries / LibrerÃas de la AplicaciÃ³n5# Preconditions / Precondiciones6class Importer () :7  #adopted from mock.mock._dot_lookup8  @staticmethod9  def _dot_lookup ( obj : object, attribute : str, importModule : str ) :10    '''11      Recursively import packages (if needed) by dotes.12    '''13    try :14      return getattr ( obj, attribute )15    except AttributeError :16      import_module ( importModule )17      Importer._walk_modules ( importModule )18      return getattr ( obj, attribute )19  #adopted from scrapy20  @staticmethod21  def _walk_modules ( importModule ) :22    """23      Loads a module and all its submodules from the given module path and24      returns them. If *any* module throws an exception while importing, that25      exception is thrown back.26    """27    # Support for namespace packages is added. See PEP 420.28    # Namespace packages are a mechanism for splitting a single Python package across multiple directories on disk.29    # When interpreted encounter with non-empty __path__ attribute it adds modules found in those locations30    # to the current package.31    mods = []32    mod = import_module ( importModule )33    mods.append ( mod )34    if hasattr ( mod, '__path__' ) :35      for _, subpath, ispkg in iter_modules ( mod.__path__ ) :36        fullpath = importModule + '.' + subpath37        if ispkg :38          mods += Importer._walk_modules ( fullpath )39        else:40          submod = import_module ( fullpath )41          mods.append ( submod )42    return mods43  #adopted from mock.mock._importer44  @staticmethod45  def importer ( target ) :46    '''47      Convert str to Python construct that target is represented.48      This method will recursively import packages (if needed)49      Following dot notation from left to right. If the component50      exists in packagage (is defined and imported) it will be used,51      otherwrise, it will be imported.52      This method supports PEP 420 (implicit Namespace Packages).53      Note: only compile-time construct is supported.54      Note: no instances will be returned from here, only classes.55      :param target: str to lookup56      :return: function/module/class, etc57    '''58    components = target.split ( '.' )59    importModule = components.pop ( 0 )60    obj = import_module ( importModule )61    Importer._walk_modules ( importModule )62    for attribute in components :63      importModule += f".{ attribute }"64      obj = Importer._dot_lookup ( obj, attribute, importModule )...

util.py

Source:util.py

...5:license: Apache License 2.0, see LICENSE for more details.6"""7from __future__ import absolute_import8from functools import wraps9def _dot_lookup(thing, comp, import_path):10    try:11        return getattr(thing, comp)12    except AttributeError:13        __import__(import_path)14        return getattr(thing, comp)15def import_string(target):16    components = target.split('.')17    import_path = components.pop(0)18    thing = __import__(import_path)19    for comp in components:20        import_path += ".%s" % comp21        thing = _dot_lookup(thing, comp, import_path)22    return thing23class PatchContext(object):24    def __init__(self, target, callback):25        target, attr = target.rsplit('.', 1)26        target = import_string(target)27        self.func = getattr(target, attr)28        self.target = target29        self.attr = attr30        self.callback = callback31    def __enter__(self):32        @wraps(getattr(self.target, self.attr))33        def wrapped(*args, **kwargs):34            __traceback_hide__ = True  # NOQA35            return self.callback(self.func, *args, **kwargs)...

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