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@ -125,9 +125,37 @@ class ColorizingStreamHandler(logging.StreamHandler):
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def import_attribute(name):
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def import_attribute(name):
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"""Return an attribute from a dotted path name (e.g. "path.to.func")."""
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"""Return an attribute from a dotted path name (e.g. "path.to.func")."""
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module_name, attribute = name.rsplit('.', 1)
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name_bits = name.split('.')
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module_name_bits, attribute_bits = name_bits[:-1], [name_bits[-1]]
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module = None
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# When the attribute we look for is a staticmethod, module name in its
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# dotted path is not the last-before-end word
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# E.g.: package_a.package_b.module_a.ClassA.my_static_method
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# Thus we remove the bits from the end of the name until we can import it
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while len(module_name_bits):
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try:
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module_name = '.'.join(module_name_bits)
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module = importlib.import_module(module_name)
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module = importlib.import_module(module_name)
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return getattr(module, attribute)
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break
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except ModuleNotFoundError:
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attribute_bits.insert(0, module_name_bits.pop())
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if module is None:
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raise ValueError(f'Invalid attribute name: {name}')
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attribute_name = '.'.join(attribute_bits)
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if hasattr(module, attribute_name):
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return getattr(module, attribute_name)
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# staticmethods
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attribute_name = attribute_bits.pop()
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attribute_owner_name = '.'.join(attribute_bits)
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attribute_owner = getattr(module, attribute_owner_name)
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if not hasattr(attribute_owner, attribute_name):
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raise ValueError(f'Invalid attribute name: {name}')
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return getattr(attribute_owner, attribute_name)
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def utcnow():
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def utcnow():
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