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import re


# Adapted from this response in Stackoverflow
# http://stackoverflow.com/a/19053800/1072990
def to_camel_case(snake_str):
    components = snake_str.split("_")
    # We capitalize the first letter of each component except the first one
    # with the 'capitalize' method and join them together.
    return components[0] + "".join(x.capitalize() if x else "_" for x in components[1:])


# From this response in Stackoverflow
# http://stackoverflow.com/a/1176023/1072990
def to_snake_case(name):
    s1 = re.sub("(.)([A-Z][a-z]+)", r"\1_\2", name)
    return re.sub("([a-z0-9])([A-Z])", r"\1_\2", s1).lower()