PHP Dosya Yöneticisi

from functools import reduce

from guppy.etc.Descriptor import property_exp

class UniSet(object):
    __slots__ = '_hiding_tag_', 'fam',  '_origin_'
    _help_url_ = 'heapy_UniSet.html#heapykinds.UniSet'
    _instahelp_ = ''

_doc_nodes = """nodes: ImmNodeSet

The actual objects contained in x. These are called nodes because
they are treated with equality based on address, and not on the
generalized equality that is used by ordinary builtin sets or dicts."""

def __and__(self, other):
        """
Return the intersection of self and other.
"""
        return self.fam.c_binop('and', self, other)

__rand__ = __and__

def __call__(self, *args, **kwds): return self.fam.c_call(self, args, kwds)

def __contains__(self, other):
        """
Return True if other is a member of self, False otherwise.
"""
        return self.fam.c_contains(self, other)

def __eq__(self, other):
        """
Return True if self contains the same elements as other,
False otherwise."""
        return self <= other and self >= other

def __hash__(self):
        """
Return an hash based on the kind of the set of self and
the addresses of its elements, if any.
        """
        return self.fam.c_hash(self)

def __invert__(self):
        """
Return the complement of self.
"""
        return self.fam.c_unop('invert', self)

def __ge__(self, other):
        """
Return True if self is a superset of (and may be equal to) other,
False otherwise.
"""
        if self is other:
            return True
        if not isinstance(other, UniSet):
            other = self.fam.c_uniset(other)
        return self.fam.c_ge(self, other)

def __gt__(self, other):
        """
Return True if self is a strict (may not be equal to) superset of other.
False otherwise.
"""
        return self >= other and not self <= other

def __getattr__(self, other):
        """
Get family-specific attribute.
"""
        return self.fam.mod.View.enter(lambda: self.fam.c_getattr(self, other))

def __le__(self, other):
        """
Return True if self is a subset of (and may be equal to) other,
False otherwise.
"""
        if self is other:
            return True
        if not isinstance(other, UniSet):
            other = self.fam.c_uniset(other)
        return self.fam.c_le(self, other)

def __lshift__(return_spec, argument_spec):
        """
<<This is about to change, does not work as one may expected.
Nov 19 2005. >>>

Return a 'mapping' set, which may be used for specification and test
purposes. It implements the syntax:

return_spec << argument_spec

The elements of the set returned are the callable objects that return
values in return_spec, when called with arguments according to
argument_spec. The return_spec may be any kind of sets that can test
for element containment. The argument_spec may be a set or a tuple. If
it is a set, it should be able to generate some examples, to allow the
mapping to be tested.  When argument_spec is a set, the mapping will
have a single argument. Any number of arguments may be specified using
an argument_spec which is a tuple.  The arguments are then specified
with sets, that should be able to generate examples. Special features
of the mapping such as optional arguments may be specified in the same
way as when using the 'mapping' function in the Spec.py module.

"""
        return return_spec.fam.c_lshift(return_spec, argument_spec)

def __lt__(self, other):
        """
Return True if self is a strict (may not be equal to) subset of other,
False otherwise.
"""
        return self <= other and not self >= other

def __mul__(self, other):
        """
Return the cartesian product of self and other, which is the set of
pairs where the first element is a member of self and the second
element is a member of other.

NOTE: Unlike what one might expect from the way the cartesian product
may be defined mathematically, the operation as implemented here is
nonassociative, i.e.

a*b*c == (a*b)*c != a*(b*c)

In the mathematical case, a*b*c would be a set of triples, but here it
becomes a set of pairs with the first element in (a*b) and the second
element in c.

To create sets of triples etc. the cprod() factory function in Spec.py
could be used directly.
"""
        if not isinstance(other, UniSet):
            other = self.fam.c_uniset(other)
        return self.fam.c_mul(self, other)

def __ne__(self, other):
        """
Return True if self does not equal other,
False otherwise. See also: __eq__.
"""
        return not self == other

def __bool__(self):
        """
Return True if self contains some element,
False otherwise.
"""
        return self.fam.c_nonzero(self)

def __or__(self, other):
        """
Return the union of self and other.
"""
        return self.fam.c_binop('or', self, other)

__ror__ = __or__

def __repr__(self):
        """
Return a string representing self.  This is usually the same string
as from __str__.

"""
        return self.fam.c_repr(self)

def __str__(self):
        """
Return a string representing self. The string is usually the same as the .brief
attribute, but a major exception is the IdentitySet class.

"""
        return self.fam.c_str(self)

def __sub__(self, other):
        """
Return the assymetrical set difference.  That is, the set of elements
in self, except those that are in others.
"""
        if not isinstance(other, UniSet):
            other = self.fam.c_uniset(other)
        return self.fam.c_sub(self, other)

def __rsub__(self, other):
        """
Return the assymetrical set difference.  That is, the
set of elements in other, except those that are in self.

This is like __sub__ except it handles the case when the left
argument is not a UniSet (but convertible to a UniSet).
"""
        if not isinstance(other, UniSet):
            other = self.fam.c_uniset(other)
        return other.fam.c_sub(other, self)

def __xor__(self, other):
        """
Return the symmetrical set difference.  That is, the set of elements
that are in one of self or other, but not in both.
"""
        if not isinstance(other, UniSet):
            other = self.fam.c_uniset(other)
        return self.fam.c_xor(self, other)
    __rxor__ = __xor__

brief = property_exp(lambda self: self.fam.c_get_brief(self),
                     doc="""\
A string representation of self, which is brief relative to the
representation returned by __str__ and __repr__. (In many cases it is
the same - both are then brief - but for IdentitySet objects the brief
representation is typically much shorter than the non-brief one.)"""
                     )

def _get_help(self):
        return self.fam.mod._root.guppy.doc.help_instance(self)

doc = property_exp(lambda self: self.fam.mod._root.guppy.etc.Help.dir(self))

def get_ckc(self):
        # Get low-level classification information, where available.
        # Returns a tuple (classifier, kind, comparator)
        return self.fam.c_get_ckc(self)

def _derive_origin_(self, doc):
        """
Return information about the 'origin' of the set. This was intended to be
used for specification purposes - is experimental, noncomplete, temporary.
"""
        return self.fam.c_derive_origin(self, doc)

def disjoint(self, other):
        """
Return True if self and other are disjoint sets, False otherwise. This
is equivalent to calculating

(self & other) == Nothing

but may be implemented more efficiently in some cases.
"""
        return self.fam.c_disjoint(self, other)

def get_examples(self, env):
        """
Return an iterable object or an iterator, which provides someexamples
of the elements of self.  (A minimum of 2 examples should normally be
provided, but it may depend on some test configuration options.)

This is used for automatic test generation from specifications.  The
env argument is according to specification of TestEnv in Spec.py,
"""
        return self.fam.c_get_examples(self, env)

def get_render(self):
        """
Return a function that may be used to render the representation of the
elements of self. This is mainly intended for internal representation
support.

The function returned depends on the kind of elements self
contains. The rendering function is choosen so that it will be
appropriate, and can be used safely, for all objects of that kind.
For the most general kind of objects, the rendering function will only
return an address representation. For more specialized kinds, the
function may provide more information, and can be equivalent to the
builtin repr() when the kind is narrow enough that it would work for
all elements of that kind without exception.

"""
        return self.fam.c_get_render(self)

def test_contains(self, element, env):
        """
Test if self contains the element object.  This is used mainly for
internal use for automatic (experimental) testing of specifications.

The env argument is according to specification of TestEnv in Spec.py.
It provides support for things that depends on the specific test
situation, such as a test reporting protocol. If test_contains did
find the element to be contained in self, the method will return
(usually True). But if the element was not contained in self, the
method should call env.failed(message), and return whatever may
be returned; though typically env.failed() would raise an exception.
         """
        return self.fam.c_test_contains(self, element, env)

biper = property_exp(lambda self: self.fam.c_get_biper(self),
                     doc="""\
A bipartitioning equivalence relation based on x. This may be used to
partition or classify sets into two equivalence classes:

x.biper(0) == x
    The set of elements that are in x.
x.biper(1) == ~x
    The set of elements that are not in x.
        """)

dictof = property_exp(lambda self: self.fam.c_get_dictof(self),
                      doc="""dictof: UniSet

If x represents a kind of objects with a builtin __dict__ attribute,
x.dictof is the kind representing the set of all those dict
objects. In effect, x.dictof maps lambda e:getattr(e, '__dict__') for
all objects e in x. But it is symbolically evaluated to generate a new
symbolic set (a Kind).""")

class Kind(UniSet):
    __slots__ = 'arg',

def __init__(self, fam, arg):
        self.fam = fam
        self._hiding_tag_ = fam._hiding_tag_
        self.arg = arg
        self._origin_ = None

def alt(self, cmp):
        return self.fam.c_alt(self, cmp)

class IdentitySet(UniSet):
    __slots__ = '_er', '_partition', '_more'
    _help_url_ = 'heapy_UniSet.html#heapykinds.IdentitySet'

def __init__(self, fam):
        self.fam = fam
        self._hiding_tag_ = fam._hiding_tag_
        self._origin_ = None

def __getitem__(self, idx): return self.fam.c_getitem(self, idx)
    def __len__(self): return self.fam.c_len(self)
    def __iter__(self): return self.fam.c_iter(self)

def __str__(self):
        """
Return a string representating self. This differs from the .brief
attribute in that it is a tabular representation.

...

"""

return self.fam.c_str(self)

def get_rp(self, depth=None, er=None, imdom=0, bf=0, src=None,
               stopkind=None, nocyc=False, ref=None):
        """
x.get_rp(depth=None, er=None, imdom=0, bf=0, src=None, stopkind=None,
        nocyc=False, ref=None)

Return an object representing the pattern of references to the objects in X.
The returned object is of kind ReferencePattern.

Arguments
        depth   The depth to which the pattern will be generated. The
                default is taken from depth of this module.
        er      The equivalence relation to partition the referrers.
                The default is Clodo.

imdom   If true, the immediate dominators will be used instead
                of the referrers. This will take longer time to
                calculate, but may be useful to reduce the complexity
                of the reference pattern.

bf      If true, the pattern will be printed in breadth-first
                order instead of depth-first. (Experimental.)
        src     If specified, an alternative reference source instead
                of the default root.
        stopkind
                The referrers of objects of kind stopkind will not be
                followed.
        nocyc   When True, certain cycles will not be followed.
        ref

See also
        rp (a shorthand for common cases)

"""
        return self.fam.RefPat.rp(self, depth, er, imdom, bf, src, stopkind,
                                  nocyc, ref)

def get_shpaths(self, src=None, avoid_nodes=None, avoid_edges=()):
        """x.get_shpaths(draw:[src, avoid_nodes, avoid_edges]) -> Paths

Return an object containing the shortest paths to objects in x.
The optional arguments are:

src:IdentitySet             An alternative source set of objects
    avoid_nodes:IdentitySet     Nodes to avoid
    avoid_edges:NodeGraph       Edges to avoid

"""
        return self.fam.Path.shpaths(self, src, avoid_nodes, avoid_edges)

# 'Normal' methods

def by(self, er):
        """ x.by(er) -> A copy of x, but using er for equiv. relation. """
        return self.fam.get_by(self, er)

def diff(self, other):
        return self.stat - other.by(self.er).stat

def dump(self, *args, **kwds):
        """ Dump statistical data to a file
          Shorthand for .stat.dump """
        self.stat.dump(*args, **kwds)

byclodo = property_exp(lambda self: self.by('Clodo'), doc="""\
A copy of self, but with 'Clodo' as the equivalence relation.""")

byidset = property_exp(lambda self: self.by('Idset'), doc="""\
A copy of self, but with 'Idset' as the equivalence relation.

Note
    This is mainly for special purpose internal use. The Id
equivalence relation is more efficient when partitioning large
sets.""")

byid = property_exp(lambda self: self.by('Id'), doc="""\
A copy of self, but with 'Id' as the equivalence relation.""")

bymodule = property_exp(lambda self: self.by('Module'), doc="""\
A copy of self, but with 'Module' as the equivalence relation.""")

byprod = property_exp(lambda self: self.by('Prod'), doc="""\
A copy of self, but with 'Prod' as the equivalence relation.""")

byrcs = property_exp(lambda self: self.by('Rcs'), doc="""\
A copy of self, but with 'Rcs' as the equivalence relation.""")

bysize = property_exp(lambda self: self.by('Size'), doc="""\
A copy of self, but with 'Size' as the equivalence relation.""")

bytype = property_exp(lambda self: self.by('Type'), doc="""\
A copy of self, but with 'Type' as the equivalence relation.""")

byunity = property_exp(lambda self: self.by('Unity'), doc="""\
A copy of self, but with 'Unity' as the equivalence relation.""")

byvia = property_exp(lambda self: self.by('Via'), doc="""
A copy of self, but with 'Via' as the equivalence relation.""")

er = property_exp(lambda self: self.fam.get_er(self), doc="""\
The equivalence relation used for partitioning when representing /
printing this set.""")

count = property_exp(lambda self: len(self.nodes), doc="""\
The number of individual objects in the set.""")

dominos = property_exp(lambda self: self.fam.View.dominos(self), doc="""\
The set 'dominated' by a set of objects. This is the objects that will
become deallocated, directly or indirectly, when the objects in the
set are deallocated.

See also
    get_rp""")

shpaths = property_exp(get_shpaths, doc="""x.shpaths: Paths

An object containing the shortest paths to objects in x.

Synonym
    sp
See also
    get_shpaths""")

shpaths = property_exp(get_shpaths, doc="""x.sp: Paths

An object containing the shortest paths to objects in x.

Synonym
    sp
See also
    get_shpaths""")

sp = property_exp(get_shpaths, doc="""x.sp: Paths

An object containing the shortest paths to objects in x.

Synonym
    shpaths
See also
    get_shpaths""")

stat = property_exp(lambda self: self.partition.get_stat(), doc="""\
x.stat: Stat

An object summarizing the statistics of the partitioning of x. This is
useful when only the statistics is required, not the objects
themselves. The statistics can be dumped to a file, unlike the set of
objects itself.""")

theone = property_exp(lambda self: self.fam.get_theone(self), doc="""\
theone: Anything

The one object in a singleton set. In case the set does not contain
exactly one object, the exception ValueError will be raised.
""")

prod = property_exp(lambda self: self.fam.get_prod(self), doc="""\
theone: MorePrinter

The traceback for the producer for the one object in a singleton set.
""")

class IdentitySetMulti(IdentitySet):
    __slots__ = 'nodes',

def __init__(self, fam, nodes):
        super().__init__(fam)
        self.nodes = nodes

class IdentitySetSingleton(IdentitySet):
    __slots__ = '_node',
    _help_url_ = 'heapy_UniSet.html#heapykinds.IdentitySetSingleton'

def __init__(self, fam, node):
        super().__init__(fam)
        self._node = node

# RefPat (eg) depends on this being usable as a hashable key.
    nodes = property_exp(lambda self: self.fam.immnodeset((self._node,)), doc="""\
x.nodes: ImmNodeSet

The actual objects contained in x. These are called nodes because they
are treated with equality based on address, and not on the generalized
equality that is used by ordinary builtin sets or dicts.""")

def _get_theone(self):
        return self._node

theone = property_exp(_get_theone)

class EquivalenceRelation(UniSet):
    """\
An equivalence relation is a binary relation between two elements of a
set which groups them together as being "equivalent" in some way.

An equivalence relation is reflexive, symmetric, and transitive. In
other words, the following must hold for "~" to be an equivalence
relation on X:

* Reflexivity: a ~ a
    * Symmetry: if a ~ b then b ~ a
    * Transitivity: if a ~ b and b ~ c then a ~ c.

An equivalence relation partitions a set into several disjoint
subsets, called equivalence classes. All the elements in a given
equivalence class are equivalent among themselves, and no element is
equivalent with any element from a different class.
"""

__slots__ = 'classifier', 'erargs'
    _help_url_ = 'heapy_UniSet.html#heapykinds.EquivalenceRelation'

def __init__(self, fam, classifier, erargs=()):
        self.fam = fam
        self._hiding_tag_ = fam._hiding_tag_
        self.classifier = classifier
        self.erargs = erargs
        self._origin_ = None

def __getitem__(self, idx):
        return self.fam.c_getitem(self, idx)

def _get_dictof(self):
        return self.fam.Classifiers.mker_dictof(self)
    dictof = property_exp(_get_dictof)

def _get_refdby(self):
        return self.fam.Classifiers.mker_refdby(self)
    refdby = property_exp(_get_refdby)

def sokind(self, *args, **kwds):
        return self.classifier.get_sokind(self, *args, **kwds)

class MappingProxy(object):
    __slots__ = '_set_',

def __init__(self, set):
        self._set_ = set

def __getattribute__(self, name):
        if name == '_set_':
            return object.__getattribute__(self, name)
        return self._set_.fam.maprox_getattr(self._set_, name)

def __getitem__(self, name):
        return self._set_.fam.maprox_getitem(self._set_, name)

class Family:
    supercl = None

def __init__(self, mod):
        self.mod = mod
        self.Doc = mod._parent.Doc
        self._hiding_tag_ = mod._hiding_tag_
        self.types = mod.types
        self.disjoints = mod.immnodeset()
        self.export_dict = self.mod.export_dict
        self.supers = mod.immnodeset([self])
        self.Set = Kind

def __call__(self, arg):
        return self.Set(self, arg)

def _derive_origin_(self, origin):
        return self.Doc.add_origin(self, origin)

def specotup(self, tup):
        r = self.Set(self, tup)
        r = self.Doc.add_origin(r, self.Doc.callfunc(self, *tup))
        return r

def specoarg(self, arg):
        r = self.Set(self, arg)
        r = self.Doc.add_origin(r, self.Doc.callfunc(self, arg))
        return r

def specoargtup(self, arg, tup):
        r = self.Set(self, arg)
        r = self.Doc.add_origin(r, self.Doc.callfunc(self, *tup))
        return r

def add_export(self, name, value):
        if self.export_dict is self.mod.export_dict:
            self.export_dict = self.mod.export_dict.copy()
        if name in self.export_dict and self.export_dict[name] is not value:
            raise ValueError('Duplicate: %s' % name)
        self.export_dict[name] = value

def c_alt(self, a, cmp):
        raise ValueError('No alternative set for family %s.' % self)

def c_binop(self, op, a, b):
        if not isinstance(b, UniSet):
            b = self.c_uniset(b)
        r = getattr(self, 'c_'+op)(a, b)
        # r = self.Doc.add_origin(r, self.Doc.binop(op, a.doc, b.doc))
        return r

def c_unop(self, op, a):
        r = getattr(self, 'c_'+op)(a)
        # r = self.Doc.add_origin(r, self.Doc.unop(op, a.doc))
        return r

def c_derive_origin(self, a, b):
        return self.Doc.add_origin(a, b)

def c_call(self, a, args, kwds):
        raise ValueError('Not callable set')

def c_contains(self, a, b):
        mod = self.mod
        return (a & mod.iso(b)) is not mod.Nothing

def c_get_biper(self, a):
        return self.mod.Classifiers.biper(a)

def c_get_dictof(self, a):
        return self.mod.Classifiers.dictof(a)

def c_disjoint(self, a, b):
        # Determine if a, b are disjoint
        return (a & b) is self.mod.Nothing

def c_factordisjoint(self, a, b):
        # Given a and b factors, and not a <= b and not b <= a,
        # determine if they are disjoint

return getattr(self, '_factordisjoint_%s' % (b.fam.opname,))(a, b)

def c_get_brief_alt(self, a, alt):
        return '[%s %s]' % (alt, self.c_get_brief(a))

def c_uniset(self, X):
        return self.mod.uniset_from_setcastable(X)

def c_get_examples(self, a, env):
        return []

def c_getattr(self, a, b, args=(), kwds={}):
        d = self.export_dict
        if b in d:
            return d[b](a, *args, **kwds)
        return self.c_getattr2(a, b)

def c_getattr2(self, a, b):
        raise AttributeError(b)

def c_get_render(self, a):
        return self.mod.summary_str.str_address

def c_get_str_for(self, a, b):
        # A modification of str, for some cases,
        # when the set a is used as a determination of an idset b
        # Normally the same as brief, but.. 'dict of' will be different for eg module
        return a.brief

def c_get_idpart_header(self, a):
        render = a.get_render()
        h = getattr(render, 'im_func', render)
        h = getattr(h, '_idpart_header', None)
        if not h:
            h = 'Value'
        return h

def c_get_idpart_label(self, a):
        return '<%s>' % a

def c_get_idpart_render(self, a):
        return self.c_get_render(a)

def c_get_idpart_sortrender(self, a):
        render = self.c_get_idpart_render(a)
        if render is repr:
            return 'IDENTITY'
        h = getattr(render, 'im_func', render)
        render = getattr(h, '_idpart_sortrender', render)
        return render

def c_hash(self, a):
        return hash(a.arg)

def c_iter(self, a):
        raise TypeError('iteration over non-sequence')

def c_len(self, a):
        raise TypeError('len() of unsized object')

def c_nonzero(self, a):
        return True

def c_mul(self, a, b):
        return self.mod._parent.Spec.cprod(a, b)

def c_lshift(self, a, b):
        return self.Doc.add_origin(self.c_map(a, b), self.Doc.binop('lshift', a, b))

def c_map(self, a, b):
        if isinstance(b, list):
            b = tuple(b)
        if not isinstance(b, tuple):
            b = b,
        t = b + ('->', a)
        return self.mod._parent.Spec.mapping(*t)

def c_repr(self, a):
        return self.c_str(a)

def c_str(self, a):
        return self.c_get_brief(a)

def c_sub(self, a, b):
        return a & ~b

def c_test_contains(self, a, b, env):
        if not self.c_contains(a, b):
            return env.failed('%s: %s does not contain %s' % (self.__class__, env.name(a), env.name(b)))
        return True

def c_xor(self, a, b):
        return (a - b) | (b - a)

def _or_OR(self, a, b):
        return b.fam._or_TERM(b, a)

def _rand_ATOM(self, a, b):
        return self._and_ATOM(a, b)

class AtomFamily(Family):
    isatom = True
    isfactor = True
    opname = 'ATOM'

def __init__(self, mod):
        Family.__init__(self, mod)
        self.disjoints |= [self]

def c_and(self, a, b):
        return b.fam._and_ATOM(b, a)

def _and_ATOM(self, a, b):
        return self.mod.fam_And(a, b)

def _and_AND(self, a, b):
        return b.fam._and_ATOM(b, a)

def _and_FACTOR(self, a, b):
        return self.mod.fam_And(a, b)

def _and_INVERT(self, a, b):
        return b.fam._and_ATOM(b, a)

def _factordisjoint_ATOM(self, a, b):
        return (a.fam.disjoints & b.fam.supers or
                b.fam.disjoints & a.fam.supers)

def _factordisjoint_INVERT(self, a, b):
        return b.fam._factordisjoint_ATOM(b, a)

def c_le(self, a, b):
        return b.fam._ge_ATOM(b, a)

_le_AND = _le_INVERT = _le_AND = c_le

def _le_ATOM(self, a, b):
        # b is known to not be Nothing since its c_ge doesn't call back
        return self.supercl is not None and self.supercl <= b

def c_ge(self, a, b):
        return b.fam._le_ATOM(b, a)

_ge_INVERT = _ge_AND = c_ge

def _ge_ATOM(self, a, b):
        # b is known to not be Nothing since its c_le doesn't call back
        return b.fam.supercl is not None and b.fam.supercl <= a

def c_or(self, a, b):
        return b.fam._or_ATOM(b, a)

def _or_ATOM(self, a, b):
        return self.mod.fam_Or(a, b)

_or_AND = _or_INVERT = c_or

def c_invert(self, a):
        return self.mod.fam_Invert(a)

def defrefining(self, arg):
        self.supercl = arg
        self.supers |= arg.fam.supers

def defdisjoint(self, *args):
        # Define disjointness of sets under the condition that
        # neither of them is a subset of the other (determined in some other way.)
        # I.E., define that there is no partial overlap.
        # Declare that all sets of my (self) family are disjoint under this condition
        # from all sets of each family in args.

self.disjoints |= args
        sc = self.supercl
        if sc is not None:
            self.disjoints |= sc.fam.disjoints

def defrefidis(self, arg):
        self.defrefining(arg)
        self.defdisjoint(arg.fam)

def fam_union(self):
        return self.supercl

class ArgAtomFamily(AtomFamily):
    def _and_ID(self, a, b):
        cla, k, cmp = self.c_get_ckc(a)
        return cla.select_ids(b, k, cmp)

def _ge_ATOM(self, a, b):
        # b is known to not be Nothing since its c_le doesn't call back
        if self is b.fam:
            return a.arg == b.arg
        return b.fam.supercl is not None and b.fam.supercl <= a

def _le_ATOM(self, a, b):
        # b is known to not be Nothing since its c_ge doesn't call back
        if self is b.fam:
            return a.arg == b.arg
        return self.supercl is not None and self.supercl <= b

def c_get_ckc(self, a):
        return self.classifier, a.arg, '=='

class AndFamily(Family):
    opname = 'AND'
    isatom = False
    isfactor = False

def __call__(self, a, b):
        if a <= b:
            return a
        if b <= a:
            return b
        if a.fam.c_factordisjoint(a, b):
            return self.mod.Nothing
        return self._cons((a, b))

def _cons(self, arg):
        # We allow explicit non-normalized constructions, as an optimization
        # for a in arg:
        #    assert a.fam.isatom or isinstance(a.fam, InvertFamily)
        if len(arg) > 1:
            return self.Set(self, tuple(arg))
        elif len(arg) == 1:
            return arg[0]
        else:
            return self.mod.Nothing

def c_get_examples(self, a, env):
        ex = []
        for ai in a.arg:
            try:
                e = env.get_examples(ai)
            except CoverageError:
                pass
            else:
                for ei in list(e):
                    for aj in a.arg:
                        if aj is not ai:
                            if not env.contains(aj, ei):
                                break
                    else:
                        ex.append(ei)
        return ex

def c_and(self, a, b):
        return b.fam._and_AND(b, a)

def _and_AND(self, a, b):
        for b in b.arg:
            a &= b
        return a

def _and_FACTOR(self, a, b):
        # a0 & a1 & ... & b
        xs = []
        for ai in a.arg:
            if ai <= b:
                return a
            elif b <= ai:
                pass
            elif ai.fam.c_factordisjoint(ai, b):
                return self.mod.Nothing
            else:
                xs.append(ai)
        xs.append(b)
        return self._cons(xs)

_and_ATOM = _and_INVERT = _and_FACTOR

def _and_ID(self, a, b):
        b = a.arg[0] & b
        for a in a.arg[1:]:
            if b is self.mod.Nothing:
                break
            b = a & b
        return b

def c_le(self, a, b):
        return b.fam._ge_AND(b, a)

def _le_TERM(self, a, b):
        b = a & b
        if b.fam is not self or len(b.arg) != len(a.arg):
            return False
        for x in a.arg:
            for y in b.arg:
                if x <= y:
                    break
            else:
                return False
        return True

_le_ATOM = _le_INVERT = _le_AND = _le_TERM

def c_ge(self, a, b):
        return b.fam._le_AND(b, a)

def _ge_TERM(self, a, b):
        for a in a.arg:
            if not a >= b:
                return False
        return True

_ge_ATOM = _ge_INVERT = _ge_AND = _ge_TERM

def c_or(self, a, b):
        return b.fam._or_AND(b, a)

def _or_AND(self, a, b):
        # a0 & a1 ... | b0 & b1 ...
        # =
        Omega = ~self.mod.Nothing
        for i, ai in enumerate(a.arg):
            for j, bj in enumerate(b.arg):
                if ai | bj == Omega:
                    aa = self._cons(a.arg[:i] + a.arg[i+1:])
                    bb = self._cons(b.arg[:j] + b.arg[j+1:])
                    if aa == bb:
                        return aa
        return self.mod.fam_Or(a, b)

def _or_TERM(self, a, b):
        # a0 & a1 ... | b
        if a <= b:
            return b
        if b <= a:
            return a

xs = []
        for ai in a.arg:
            aib = ai | b
            if aib.fam.isfactor:
                xs.append(aib)
            else:
                break
        else:
            r = ~self.mod.Nothing
            for x in xs:
                r &= x
            return r
        return self.mod.fam_Or(a, b)

_or_ATOM = _or_INVERT = _or_TERM

def c_invert(self, a):
        # ~(a0 & a1 ...) = ~a0 | ~a1 ...
        r = self.mod.Nothing
        for ai in a.arg:
            r |= ~ai
        return r

def c_contains(self, a, b):
        for x in a.arg:
            if b not in x:
                return False
        return True

def c_test_contains(self, a, b, env):
        for x in a.arg:
            if not env.test_contains(x, b, 'and'):
                return env.failed('Failed')
        return True

def c_disjoint3(self, a, b):
        return (a & b) is self.mod.Nothing

def c_get_render(self, c):
        for kind in c.arg:
            r = kind.get_render()
            if r:
                return r

def r(o):
            return hex(id(o))
        return r

def c_get_brief(self, c):
        names = [kind.brief for kind in c.arg]
        # names.sort() ?? I think now I want them in given order.
        return '(%s)' % ' & '.join(names) + ')'

def c_get_ckc(self, a):
        return (
            self.mod.Classifiers.mker_and([x.biper for x in a.arg]).classifier,
            (0,)*len(a.arg),
            '=='
        )

def c_repr(self, a):
        reprs = [repr(k) for k in a.arg]
        return '(%s)' % ' & '.join(reprs)

class OrFamily(Family):
    opname = 'OR'
    isatom = False
    isfactor = False

def __call__(self, a, b):
        if b <= a:
            return a
        if a <= b:
            return b
        return self._cons((a, b))

def _cons(self, arg):
        # Must only be called with maximalized args
        for a in arg:
            assert a.fam.isfactor or isinstance(a.fam, AndFamily)
        if len(arg) > 1:
            return Family.__call__(self, tuple(arg))
        elif len(arg) == 1:
            return arg[0]
        else:
            return self.mod.Nothing

def c_contains(self, a, b):
        for x in a.arg:
            if b in x:
                return True
        return False

def c_get_ckc(self, a):
        return self.mod.Use.findex(*a.arg).classifier, len(a.arg), '<'

def c_get_examples(self, a, env):
        exa = [iter(env.get_examples(x)) for x in a.arg]
        while 1:
            n = 0
            for i, e in enumerate(exa):
                if e is not None:
                    try:
                        yield next(e)
                    except StopIteration:
                        exa[i] = None
                    else:
                        n += 1
            if not n:
                break

def c_test_contains(self, a, b, env):
        return env.forsome(a.arg, lambda x: env.test_contains(x, b, 'Some x'), 'or')

def c_and(self, a, b):
        if self is b.fam:
            return self._and_OR(a, b)
        else:
            return self._and_TERM(a, b)

def _and_TERM(self, a, b):
        # (a0 | a1 ..) & b = a0 & b | a1 & b | ...
        r = self.mod.Nothing
        for a in a.arg:
            r |= a & b
        return r

_and_ATOM = _and_INVERT = _and_AND = _and_TERM

def _and_ID(self, a, b):
        ai = a.arg[0]
        r = ai.fam._and_ID(ai, b)
        for ai in a.arg[1:]:
            r |= ai.fam._and_ID(ai, b)
        return r

def _ge_TERM(self, a, b):
        a = a & b
        if a.fam is self:
            if b.fam is not a.fam or len(b.arg) != len(a.arg):
                return False
            assert 0
        else:
            return b <= a

_ge_ATOM = _ge_INVERT = _ge_AND = _ge_TERM

def c_ge(self, a, b):
        if b.fam is self:
            return self.c_le(b, a)
        else:
            return self._ge_TERM(a, b)

def c_le(self, a, b):
        for x in a.arg:
            if not x <= b:
                return False
        return True

_le_ATOM = _le_INVERT = _le_AND = c_le

def c_or(self, a, b):
        return b.fam._or_OR(b, a)

def _or_TERM(self, a, b):
        # a0 | a1 ... | b
        xs = []
        lt = False
        for a in a.arg:
            if not b >= a:
                xs.append(a)
                if b <= a:
                    lt = True
        if not lt:
            xs.append(b)
        return self._cons(xs)

_or_ATOM = _or_INVERT = _or_AND = _or_TERM

def _or_OR(self, a, b):
        # (a0 | a1 ...) | (b0 | b1 ...)
        xs = maximals(a.arg + b.arg)
        return self._cons(xs)

def c_invert(self, a):
        # ~(a0 | a1 ...) = ~a0 & ~a1 ...
        r = ~a.arg[0]
        for ai in a.arg[1:]:
            r &= ~ai
        return r

def c_get_render(self, c):
        renders = self.mod.mutnodeset([kind.get_render() for kind in c.arg])
        if len(renders) == 1:
            return list(renders)[0]
        else:
            def r(o):
                return hex(id(o))
            r._idpart_header = 'Address'
            r._idpart_sortrender = lambda x: id(x)
            return r

def c_get_brief(self, c):
        names = [kind.brief for kind in c.arg]
        names.sort()
        return '(' + ' | '.join(names) + ')'

def c_get_idpart_header(self, a):
        return 'Brief'

def c_get_idpart_label(self, a):
        return '<mixed>'

def c_get_idpart_render(self, a):
        er = self.mod.Use.Clodo
        cla = er.classifier
        cli = cla.cli

brmemo = {}

def render(x):
            k = cli.classify(x)

br = brmemo.get(k)
            if br is None:
                kind = cla.get_kind(k)
                b = cla.get_kind(k).brief
                r = kind.get_render()
                br = (b, r)
                brmemo[k] = br
            b, r = br

return '%s: %s' % (b, r(x))

return render

def c_get_idpart_sortrender(self, a):
        er = self.mod.Use.Clodo
        cla = er.classifier
        cli = cla.cli

brmemo = {}

def render(x):
            k = cli.classify(x)
            br = brmemo.get(k)
            if br is None:
                kind = cla.get_kind(k)
                b = cla.get_kind(k).brief
                r = kind.fam.c_get_idpart_sortrender(kind)
                br = (b, r)
                brmemo[k] = br
            else:
                b, r = br
            if r != 'IDENTITY':
                x = r(x)
            return (b, x)
        return render

def c_repr(self, a):
        reprs = [repr(k) for k in a.arg]
        reprs.sort()
        return '(%s)' % ' | '.join(reprs)

class InvertFamily(Family):
    opname = 'INVERT'
    isatom = False
    isfactor = True

def __call__(self, a):
        assert a.fam.isatom
        if a is self.mod.Nothing:
            return self.mod.NotNothing
        else:
            return Family.__call__(self, a)

def c_test_contains(self, a, b, env):
        return env.test_contains_not(a.arg, b, 'InvertFamily')

def c_contains(self, a, b):
        return not b in a.arg

def c_and(self, a, b):
        return b.fam._and_INVERT(b, a)

_and_AND = c_and

def _and_FACTOR(self, a, b):
        # ~a.arg & ~b.arg
        # ~a.arg & b
        # Is normal form?
        x = a.arg & b
        if x.fam.isatom:
            a = self(x)
        return self.mod.fam_And(a, b)

_and_ATOM = _and_INVERT = _and_FACTOR

def _and_ID(self, a, b):
        return b - (b & a.arg)

def _factordisjoint_ATOM(self, a, b):
        # ~ a.arg <disjoint> b
        return b <= a.arg

def _factordisjoint_INVERT(self, a, b):
        # ~ a.arg <disjoint> ~b.arg
        return False

def c_le(self, a, b):
        return b.fam._ge_INVERT(b, a)

_le_AND = c_le

def _le_ATOM(self, a, b):
        # ~a.arg <= b
        return False

def _le_INVERT(self, a, b):
        # ~a.arg <= ~b.arg
        return b.arg <= a.arg

def c_ge(self, a, b):
        # ~a.arg >= b
        return a.arg.disjoint(b)

_ge_ATOM = _ge_INVERT = _ge_AND = c_ge

def c_or(self, a, b):
        return b.fam._or_INVERT(b, a)

_or_AND = c_or

def _or_FACTOR(self, a, b):
        # ~a.arg | b
        if a.arg <= b:
            return ~self.mod.Nothing
        x = a.arg & b
        if x is self.mod.Nothing:
            return a
        return self.mod.fam_Or(a, b)

_or_ATOM = _or_INVERT = _or_FACTOR

def c_invert(self, a):
        # ~(~a.arg) = a.arg
        return a.arg

def c_get_render(self, a):
        return a.arg.get_render()

def c_get_brief(self, a):
        n = a.arg.brief
        if (not (n.startswith('(') or n.startswith('<')) and
                ' ' in n):
            n = '(%s)' % n
        return '~%s' % n

def c_get_ckc(self, a):
        # This uses only existing machinery for C-level classification.
        # The alternatives are discussed in Notes 21 Sep 2005.

return (
            a.arg.biper.classifier,
            0,
            '!='
        )

def c_repr(self, a):
        return '~%s' % repr(a.arg)

class FamilyFamily(AtomFamily):
    def __init__(self, mod):
        AtomFamily.__init__(self, mod)
        self.add_export('union', lambda x: x.arg.fam_union())

def c_contains(self, a, b):
        return isinstance(b, UniSet) and b.fam is a.arg

def c_get_brief(self, c):
        return '<Family: %s>' % c.arg.__class__

class IdentitySetFamily(AtomFamily):
    def __init__(self, mod):
        AtomFamily.__init__(self, mod)
        self.defrefining(mod.Anything)

self.immnodeset = mod.immnodeset
        self.Part = mod.Part
        self.Path = mod.Path
        self.RefPat = mod.RefPat
        self.View = mod.View
        self.Use = mod.Use

def __call__(self, *args, **kwds):
        return self._cons(args, **kwds)

def _cons(self, arg, er=None):
        # arg is a sequence of nodes
        arg = self.immnodeset(arg)
        if not arg:
            return self.mod.Nothing

elif len(arg) == 1:
            r = IdentitySetSingleton(self, tuple(arg)[0])
        else:
            r = IdentitySetMulti(self, arg)
        if er is not None:
            r._er = er
        return r

def c_and(self, a, b):
        if b.fam is self:
            return self._cons(a.nodes & b.nodes)
        elif b.fam is self.mod.fam_Invert:
            return self._and_INVERT(a, b)
        else:
            return b.fam._and_ID(b, a)

def _and_ATOM(self, a, b):
        if b.fam is self:
            return self._cons(a.nodes & b.nodes)
        else:
            return b.fam._and_ID(b, a)

def _and_AND(self, a, b):
        return b.fam._and_ID(b, a)

def _and_ID(self, a, b):
        return self._cons(a.nodes & b.nodes)

def _and_INVERT(self, a, b):
        if b.arg.fam is self:
            return self._cons(a.nodes - b.arg.nodes)
        elif b is self.mod.NotNothing:
            return a
        else:
            return b.fam._and_ID(b, a)

def c_get_ckc(self, a):
        return self.mod.Classifiers.Idset.classifier, a.nodes, '<='

def c_hash(self, a):
        return hash(a.nodes)

def c_iter(self, a):
        # It's not well-defined to iterate and is considered error-prone
        # and may be SO much slower than expected
        # they need to be explicit to iterate over elements or partition subset
        raise TypeError('iteration over non-sequence')

def c_len(self, a):
        # The length corresponds to
        # o the number of rows in how it is printed
        # o the max getitem-wise index + 1
        # (Notes May 13 2005)
        return a.partition.numrows

def c_contains(self, a, b):
        return b in a.nodes

def c_le(self, a, b):
        if not b.fam is self:
            b = b.fam._and_ID(b, a)
        return a.nodes <= b.nodes

_le_ATOM = _le_INVERT = _le_AND = c_le

def c_or(self, a, b):
        if b.fam is self:
            return self._cons(a.nodes | b.nodes)
        else:
            a = a - b.fam._and_ID(b, a)
            return b.fam._or_ATOM(b, a)

_or_ATOM = _or_INVERT = _or_AND = _or_OR = c_or

def c_get_brief(self, c):
        return self.get_str_summary(c)

def c_get_render(self, a):
        return a.kind.get_render()

def c_getitem(self, a, idx):
        return a.partition.get_set(idx)

def c_str(self, a):
        return a.more._oh_printer.get_str_of_top()

def maprox_getattr(self, set, name):
        ns = self.mod.mutnodeset()
        for x in set.nodes:
            try:
                v = getattr(x, name)
            except AttributeError:
                pass
            else:
                ns.add(v)
        return self._cons(self.mod.immnodeset(ns))

def maprox_getitem(self, set, idx):
        ns = self.mod.mutnodeset()
        for x in set.nodes:
            try:
                v = x[idx]
            except (KeyError, IndexError):
                pass
            else:
                ns.add(v)
        return self._cons(self.mod.immnodeset(ns))

def c_get_idpart_header(self, a):
        return 'Kind: Name/Value/Address'

def c_get_idpart_label(self, a):
        return ''

def c_get_idpart_render(self, a):
        def render(x):
            x = self.mod.iso(x)
            r = x.brief.lstrip('<1 ').rstrip('>')
            return r
        return render

def get_by(self, a, er):
        ers = []
        if isinstance(er, EquivalenceRelation):
            ers.append(er)
        else:
            try:
                ss = er.split('&')
            except Exception:
                raise TypeError(
                    'by(): Equivalence relation or string expected.')
            if ss == ['']:
                ss = []
            for s in ss:
                try:
                    if not s.istitle() or s.startswith('er_'):
                        s = 'er_'+s
                    er = getattr(self.Use, s)
                except AttributeError:
                    raise ValueError(
                        'by(): No such equivalence relation defined in heapy.Use: %r' % s)
                ers.append(er)

if not ers:
            er = self.Use.Unity
        else:
            er = ers[0]
            for i in range(1, len(ers)):
                er &= ers[i]
        if a.er is not er:
            a = self._cons(a.nodes, er=er)
        return a

def get_er(self, a):
        try:
            er = a._er
        except AttributeError:
            er = self.mod.Use.Clodo
            a._er = er
        return er

def get_more(self, a):
        try:
            m = a._more
        except AttributeError:
            m = self.mod.OutputHandling.more_printer(a, a.partition)
            a._more = m
        return m

def get_all(self, a):
        return a.more.all

def get_owners(self, a):
        return self.mod.Use.Clodo.classifier.owners(a)

def get_partition(self, a):
        try:
            p = a._partition
        except AttributeError:
            a.fam.View.clear_check()
            p = a.fam.Part.partition(a, a.er)
            a._partition = p
        return p

def get_str_idpart(self, set, cla):
        # Get the string that is used for the 'identity partition'
        # when the objects share a common classification (cla)
        s = cla.fam.c_get_str_for(cla, set)
        return s

def get_str_refpat(self, set, cla, max_length):
        # Get the string that is used at the end of a reference pattern line
        strs = []
        strs.append('%d ' % set.count)
        strs.append(cla.fam.c_get_str_for(cla, set))
        strs.append(': ')
        strs.append(self.get_str_rendered(
            set, cla, max_length-len(''.join(strs))))
        s = ''.join(strs)
        if len(s) > max_length:
            s = s[:max_length - 3]+'...'
        return s

def get_str_rendered(self, set, cla, max_length=None):
        if max_length is None:
            max_length = 50
        strs = []
        lens = 0
        render = cla.get_render()
        for p in set.nodes:
            rs = render(p)
            if lens and lens + len(rs) + 2 >= max_length:
                strs[-1] += '...'  # but what can be done in limited time
                break
            lens += len(rs) + 2
            strs.append(rs)
        strs.sort()
        return ', '.join(strs)

def get_str_summary(self, c, max_length=None, er=None):
        if max_length is None:
            max_length = self.mod.max_summary_length
        if er is None:
            er = c.er
        set = c.nodes
        items = er.classifier.partition(set)
        keys = [k for k, v in items]
        cla = reduce(lambda x, y: x | y, keys)
        s = '<%d %s' % (len(set), cla.fam.c_get_str_for(cla, c))
        s += ': '
        bslen = len(s)

bstrs = []
        for cla, set in items:
            css = self.get_str_rendered(set, cla, max_length-bslen)
            if len(items) > 1:
                css = '<%d %s: %s>' % (set.count, cla, css)
            bstrs.append(css)
            bslen += len(css) + 3
            if bslen > max_length:
                break

# Don't use the initial count when comparing
        if len(bstrs) > 1:
            bstrs.sort(key=lambda x: x[x.index(' '):])
        s += ' | '.join(bstrs) + '>'
        if len(s) > max_length:
            s = s[:max_length-4]+'...>'
        return s

def get_parts(self, X):
        return [x for x in X.partition.get_sets()]

def get_theone(self, set):
        if len(set.nodes) == 1:
            return list(set.nodes)[0]
        raise ValueError('theone requires a singleton set')

def get_prod(self, set):
        obj = self.get_theone(set)
        self.mod.Use._check_tracemalloc()
        tb = self.mod.tracemalloc.get_object_traceback(obj)
        if tb is None:
            return

try:
            frames = tb.format(most_recent_first=True)
        except TypeError:
            # Py < 3.7
            frames = tb.format()

# TODO: move to a delicated file
        class Printer:
            def _oh_get_line_iter(self):
                yield 'Traceback (most recent call first):'
                yield from frames

printer = Printer()
        printer.mod = self.mod
        self.mod.OutputHandling.setup_printing(printer)
        return printer

class EmptyFamily(IdentitySetFamily):
    # Inherits from IdentitySetFamily because the special exported methods
    # tend to be required by applications.
    # There is only one object of EmptyFamily: UniSet.Nothing
    # The new method implementations added here are mostly for optimization.
    # (Other families may assume the EmptyFamily have these methods.)
    # The .nodes is an empty immnodeset so IdentitySetFamily methods should work.
    # The main change from IdentitySetFamily is the representations.
    def __init__(self, mod):
        IdentitySetFamily.__init__(self, mod)

def c_and(self, a, b):
        return a

_and_ATOM = _and_INVERT = _and_AND = _and_OR = _and_ID = c_and

def c_contains(self, a, b):
        return False

def c_ge(self, a, b):
        if b is a:
            return True
        return False

_ge_ATOM = _ge_INVERT = _ge_AND = c_ge

def c_get_brief(self, a):
        return '<Nothing>'

def c_repr(self, a):
        return '%s%s' % (self.mod.Use.reprefix, 'Nothing')

def c_iter(self, a):
        return iter(())

def c_le(self, a, b):
        return True

_le_ATOM = _le_INVERT = _le_AND = c_le

def c_len(self, a):
        return 0

def c_nonzero(self, a):
        return False

def c_or(self, a, b):
        return b

_or_ATOM = _or_INVERT = _or_AND = _or_OR = c_or

def c_str(self, a):
        return self.c_get_brief(a)

def c_sub(self, a, b):
        return a

def c_xor(self, a, b):
        return b

class EquivalenceRelationFamily(AtomFamily):
    def __init__(self, mod):
        AtomFamily.__init__(self, mod)
        self.Set = EquivalenceRelation
        self.Use = mod.Use
        self.Classifiers = mod.Classifiers

def __call__(self, constructor, *args, **kwds):
        # Passing classifier constructor rather than constructed classifier,
        # to make sure there is a 1-1 relation between equivalence relations and classifers.
        cl = constructor(*args, **kwds)
        er = self.Set(self, cl)
        cl.er = er
        return er

def c_contains(self, a, b):
        # XXX should have a smoother protocol
        try:
            return len(b.by(a)) == 1
        except AttributeError:
            try:
                ckc = b.get_ckc()
            except Exception:
                return False
            else:
                return ckc[0].er <= a and ckc[2] == '=='

def c_getattr(self, a, name):
        classifier = a.classifier
        try:
            g = getattr(classifier, 'get_attr_for_er')
        except AttributeError:
            raise AttributeError(name)
        return g(name)

def c_and(self, a, b):
        if b.fam is not self:
            return AtomFamily.c_and(self, a, b)
        ers = []
        for x in (a, b):
            if x.erargs:
                ers.extend(x.erargs)
            else:
                ers.append(x)
        ers = minimals(ers)
        if len(ers) == 1:
            return ers[0]
        er = self.Classifiers.mker_and(ers)
        er.erargs = tuple(ers)
        return er

def _ge_ATOM(self, a, b):
        if b.fam is self:
            return a.classifier in b.classifier.super_classifiers
        return False

def _le_ATOM(self, a, b):
        if b.fam is self:
            return b.classifier in a.classifier.super_classifiers
        return False

def c_call(self, a, args, kwds):
        return a.classifier.get_userkind(*args, **kwds)

def c_get_brief(self, a):
        return 'Equiv. relation %s' % a.classifier

def c_getitem(self, a, idx):
        return a.classifier.relimg(self.mod.nodeset_adapt(idx))

def c_repr(self, a):
        return a.classifier.get_reprname()

class Summary_str:
    def __init__(self, mod):
        self.mod = mod
        types = mod.types._module
        self.invtypes = {}
        for k, v in sorted(types.__dict__.items()):
            if isinstance(v, type):
                self.invtypes[v] = 'types.%s' % k
        for k, v in sorted(types.__builtins__.items()):
            if isinstance(v, type):
                self.invtypes[v] = k

# This is to make common printouts prettier / shorter (: and clearer ? :)
        # but may be disabled for clearer repr()

self.shorter_invtypes = {}
        for name in ('module', 'function'):
            t = getattr(types, name.capitalize()+'Type')
            self.shorter_invtypes[t] = name

self.table = {
            mod.NodeSet: self.str_address_len,
            bool: self.str_repr,
            types.BuiltinFunctionType: self.str_builtin_function,
            types.CodeType: self.str_code,
            complex: self.str_repr,
            dict: self.str_address_len,
            float: self.str_repr,
            types.FrameType: self.str_frame,
            types.FunctionType: self.str_function,
            int: self.str_repr,
            list: self.str_address_len,
            type(None): self.str_repr,
            types.MethodType: self.str_method,
            types.ModuleType: self.str_module,
            types.TracebackType: self.str_traceback,
            bytes: self.str_limrepr,
            str: self.str_limrepr,
            tuple: self.str_address_len,
            type: self.str_type,
        }

def __call__(self, key, longer=False):
        x = self.table.get(key)
        if x is None:
            if issubclass(key, type):
                x = self.str_type
            else:
                x = self.str_address
        if longer and 'longer' in x.__func__.__code__.co_varnames:
            return lambda k: x(k, longer=longer)
        else:
            return x

def set_function(self, type, func):
        self.table[type] = func

def str_address(self, x):
        return hex(id(x))
    str_address._idpart_header = 'Address'
    str_address._idpart_sortrender = id

def str_address_len(self, x):
        return self.str_address(x)+self.str_len(x)
    str_address_len._idpart_header = 'Address*Length'
    str_address_len._idpart_sortrender = id

def str_builtin_function(self, x):
        n = x.__name__
        m = x.__module__
        if m != 'builtins':
            n = '%s.%s' % (m, n)
        return n
    str_builtin_function._idpart_header = 'Name'

def str_code(self, x):
        return '%s:%d:%s' % (self.mod._root.os.path.basename(x.co_filename),
                             x.co_firstlineno,
                             x.co_name)
    str_code._idpart_header = 'File:Line:Name'

def str_frame(self, x):
        return '<%s at %s>' % (x.f_code.co_name, self.str_address(x))
    str_frame._idpart_header = 'Name at Address'

def str_function(self, x):
        return '%s.%s' % (x.__module__, x.__name__)
    str_function._idpart_header = 'Name'

def str_len(self, x):
        return '*%d' % len(x)
    str_len._idpart_header = 'Length'

def str_method(self, x):
        cn = self.str_type(x.__self__.__class__)
        if x.__self__ is not None:
            cn = '<%s at %s>' % (cn, self.str_address(x.__self__))
        func = x.__func__
        try:
            func_name = func.__func__
        except AttributeError:
            func_name = func.__name__
        return '%s.%s' % (cn, func_name)
    str_method._idpart_header = 'Type/<Type at address> . method'

def str_module(self, x):
        return x.__name__
    str_module._idpart_header = 'Name'

def str_limrepr(self, x):
        return self.mod._root.reprlib.repr(x)
    str_limrepr._idpart_header = 'Representation (limited)'
    str_limrepr._idpart_sortrender = 'IDENTITY'
    str_repr = repr

def str_traceback(self, x):
        return '<in frame %s at %s>' % (self.str_frame(x.tb_frame), self.str_address(x))
    str_traceback._idpart_header = 'Frame at Address'

def str_type(self, x, longer=False):
        if x in self.shorter_invtypes and not longer:
            return self.shorter_invtypes[x]
        if x in self.invtypes:
            return self.invtypes[x]
        if not hasattr(x, '__module__'):
            return f'<unknown module>.{x.__name__}'
        return f'{x.__module__}.{x.__name__}'
    str_type._idpart_header = 'Name'

def str_type_longer(self, x):
        if x in self.invtypes:
            return self.invtypes[x]
        return '%s.%s' % (x.__module__, x.__name__)
    str_type._longer_method = lambda x: str_type

def maximals(A, le=lambda x, y: x <= y):
    " Find the maximal element(s) of a partially ordered sequence"
    r = []
    for x in A:
        for a in A:
            if le(x, a) and not le(a, x):
                break
        else:
            for a in r:
                if le(x, a):
                    break
            else:
                r.append(x)
    return r

def minimals(A, le=lambda x, y: x <= y):
    " Find the minimal element(s) of a sequence of partially ordered elements"
    r = []
    for x in A:
        for a in A:
            if le(a, x) and not le(x, a):
                break
        else:
            for a in r:
                if le(a, x):
                    break
            else:
                r.append(x)
    return r

class _GLUECLAMP_:
    max_summary_length = 80
    auto_convert_type = True
    auto_convert_iter = False   # Can give problems if enabled; notes 22/11-04
    out_reach_module_names = ('UniSet', 'View', 'Path', 'RefPat')

_chgable_ = ('max_summary_length', 'out_reach_module_names',
                 'auto_convert_type', 'auto_convert_iter', 'output')

# _preload_ = ('_hiding_tag_',)

# Module 'imports'

_imports_ = (
        '_parent:Classifiers',
        '_parent:ImpSet',
        '_parent.ImpSet:emptynodeset',
        '_parent.ImpSet:immnodeset',
        '_parent.ImpSet:mutnodeset',
        '_parent.ImpSet:NodeSet',
        '_parent:Part',
        '_parent:Path',
        '_parent:RefPat',
        '_parent:OutputHandling',
        '_parent:View',
        '_parent.View:_hiding_tag_',
        '_parent.View:hv',
        '_parent:Use',
        '_root:tracemalloc',
        '_root:types',
    )

def _get_Anything(self): return self.Use.Unity.classifier.get_kind(None)
    def _get_Nothing(self): return IdentitySetMulti(
        EmptyFamily(self), self.emptynodeset)
    def _get_NotNothing(self): return Family.__call__(
        self.fam_Invert, self.Nothing)

def _get_export_dict(self):
        d = {}
        for k, v in list(self.out_reach_dict.items()):
            sc = getattr(v, '_uniset_exports', ())
            for sc in sc:
                x = getattr(v, sc)
                if sc in d and d[sc] is not x:
                    raise RuntimeError(
                        'Duplicate export: %r defined in: %r' % (sc, k))
                d[sc] = x
        return d

def _get_out_reach_dict(self):
        d = {}
        for name in self.out_reach_module_names:
            d[name] = getattr(self._parent, name)
        return d

def _get_summary_str(self): return self.Summary_str(self)

def _get_fam_And(self): return self.AndFamily(self)
    def _get_fam_EquivalenceRelation(
        self): return EquivalenceRelationFamily(self)

def _get_fam_Or(self): return self.OrFamily(self)
    def _get_fam_IdentitySet(self): return self.IdentitySetFamily(self)
    def _get_fam_Invert(self): return self.InvertFamily(self)
    def _get_fam_Family(self): return self.FamilyFamily(self)

def _get_fam_mixin_argatom(self):
        memo = {}

def f(Mixin, *args, **kwds):
            C = memo.get(Mixin)
            if C is None:
                class C(Mixin, self.ArgAtomFamily):
                    def __init__(self, mod, *args, **kwds):
                        mod.ArgAtomFamily.__init__(self, mod)
                        Mixin.__init__(self, mod, *args, **kwds)

C.__qualname__ = C.__name__ = Mixin.__name__
                memo[Mixin] = C
            return C(self, *args, **kwds)
        return f

def idset_adapt(self, X):
        if isinstance(X, self.IdentitySet):
            ids = X
        elif isinstance(X, self.NodeSet):
            ids = self.idset(X)
        else:
            raise TypeError(
                'IdentitySet or NodeSet expected, got %r.' % type(X))
        if X._hiding_tag_ is not self._hiding_tag_:
            raise ValueError(
                "The argument has wrong _hiding_tag_, you may convert it by Use.idset or Use.iso.")
        return ids

def idset(self, iterable, er=None):
        return self.fam_IdentitySet._cons(self.immnodeset(iterable), er=er)

def _get_iso(self):
        return self.fam_IdentitySet

def isuniset(self, obj):
        return isinstance(obj, self.UniSet)
        # Or has some particular attributes?

def nodeset_adapt(self, X):
        if isinstance(X, self.NodeSet):
            ns = X
        elif isinstance(X, self.IdentitySet):
            ns = X.nodes
        else:
            raise TypeError(
                'IdentitySet or NodeSet expected, got %r.' % type(X))
        if X._hiding_tag_ is not self._hiding_tag_:
            raise ValueError(
                "The argument has wrong _hiding_tag_, you may convert it by Use.idset or Use.iso.")
        return ns

def retset(self, X):
        if not isinstance(X, self.IdentitySet):
            X = self.idset(X)
        return X

def union(self, args, maximized=False):
        if not args:
            return self.Nothing
        a = args[0]
        for b in args[1:]:
            a |= b
        return a

# This optimization didn't work for idsets!!
        # XXX to fix back

if not maximized:
            args = maximals(args)
        return self.fam_Or._cons(args)

def uniset_from_setcastable(self, X):
        if isinstance(X, UniSet) and X._hiding_tag_ is self._hiding_tag_:
            return X

types = self.types
        if isinstance(X, type) and self.auto_convert_type:
            return self.Use.Type(X)
        elif isinstance(X, self.NodeSet) and X._hiding_tag_ is self._hiding_tag_:
            return self.idset(X)
        elif self.auto_convert_iter:
            try:
                it = iter(X)
            except TypeError:
                pass  # Will raise a 'more informative' exception below
            else:
                return self.idset(it)
        raise TypeError(
            "Argument is not automatically convertible to a UniSet with correct _hiding_tag_.")

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