minimongo/model.py
def to_underscore(string):
    """Converts a given string from CamelCase to under_score.

    >>> to_underscore('FooBar')
    'foo_bar'
    """
    new_string = re.sub(r'([A-Z]+)([A-Z][a-z])', r'\1_\2', string)
    new_string = re.sub(r'([a-z\d])([A-Z])', r'\1_\2', new_string)
    return new_string.lower()
def to_underscore(string):
    new_string = re.sub(r'([A-Z]+)([A-Z][a-z])', r'\1_\2', string)
    new_string = re.sub(r'([a-z\d])([A-Z])', r'\1_\2', new_string)
    return new_string.lower()
def to_underscore ( string ) : new_string = re . sub ( r'([A-Z]+)([A-Z][a-z])' , r'\1_\2' , string ) new_string = re . sub ( r'([a-z\d])([A-Z])' , r'\1_\2' , new_string ) return new_string . lower ( )
Converts a given string from CamelCase to under_score.

    >>> to_underscore('FooBar')
    'foo_bar'
Converts a given string from CamelCase to under_score .