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[EDIT] FILE: loader.py

__all__ = ['BaseLoader', 'FullLoader', 'SafeLoader', 'Loader', 'UnsafeLoader']

from .reader import *
from .scanner import *
from .parser import *
from .composer import *
from .constructor import *
from .resolver import *

class BaseLoader(Reader, Scanner, Parser, Composer, BaseConstructor, BaseResolver):

def __init__(self, stream):
        Reader.__init__(self, stream)
        Scanner.__init__(self)
        Parser.__init__(self)
        Composer.__init__(self)
        BaseConstructor.__init__(self)
        BaseResolver.__init__(self)

class FullLoader(Reader, Scanner, Parser, Composer, FullConstructor, Resolver):

def __init__(self, stream):
        Reader.__init__(self, stream)
        Scanner.__init__(self)
        Parser.__init__(self)
        Composer.__init__(self)
        FullConstructor.__init__(self)
        Resolver.__init__(self)

class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, Resolver):

def __init__(self, stream):
        Reader.__init__(self, stream)
        Scanner.__init__(self)
        Parser.__init__(self)
        Composer.__init__(self)
        SafeConstructor.__init__(self)
        Resolver.__init__(self)

class Loader(Reader, Scanner, Parser, Composer, Constructor, Resolver):

def __init__(self, stream):
        Reader.__init__(self, stream)
        Scanner.__init__(self)
        Parser.__init__(self)
        Composer.__init__(self)
        Constructor.__init__(self)
        Resolver.__init__(self)

# UnsafeLoader is the same as Loader (which is and was always unsafe on
# untrusted input). Use of either Loader or UnsafeLoader should be rare, since
# FullLoad should be able to load almost all YAML safely. Loader is left intact
# to ensure backwards compatibility.
class UnsafeLoader(Reader, Scanner, Parser, Composer, Constructor, Resolver):

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