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?? ..
?? Classifiers.py(45.16 KB)
?? Console.py(843 B)
?? Doc.py(7.81 KB)
?? ImpSet.py(870 B)
?? Monitor.py(14.5 KB)
?? OutputHandling.py(11.52 KB)
?? Part.py(23.25 KB)
?? Path.py(14.19 KB)
?? Prof.py(90.38 KB)
?? RM.py(119 B)
?? RefPat.py(18.18 KB)
?? Remote.py(15.31 KB)
?? RemoteConstants.py(209 B)
?? Spec.py(48.59 KB)
?? Target.py(205 B)
?? UniSet.py(66.5 KB)
?? Use.py(23.05 KB)
?? View.py(19.05 KB)
?? __init__.py(209 B)
?? __pycache__
?? heapyc.cpython-311-x86_64-linux-gnu.so(154.55 KB)
?? pbhelp.py(17.4 KB)
?? test

Editing: Classifiers.py

from guppy.etc.Descriptor import property_nondata

class Classifier:
    def __init__(self, mod, name, cli=None, supers=(), depends=(), with_referrers=False):
        self.mod = mod
        self.name = name
        if cli is not None:
            self.cli = cli
        # Set of all super-classifiers (including self).
        # The partial order is defined in Notes Aug 30 2005.
        self.super_classifiers = mod.ImpSet.immnodeset([self])
        if supers:
            for s in supers:
                self.super_classifiers |= s.super_classifiers
        else:
            # The Unity classifier is super of all, but we must add it only
            # if not supers specified; init of ByUnity itself depends on this.
            self.super_classifiers |= [mod.Use.Unity.classifier]

# The classifiers that self depends on.
        for d in depends:
            if d.with_referrers:
                with_referrers = True
                break

# True if we need to setup referrers before calling (the) low-level classifier.
        self.with_referrers = with_referrers

if with_referrers:
            self.call_with_referrers = mod.View.call_with_referrers

def call_with_referrers(self, x, f):
        # Default is to not use referrers.
        return f(x)

# This is not redefined by subclass unless they set cli property.
    def _get_cli(self):
        # This may be defined by subclass w/o setting cli property.
        return self.get_cli()

cli = property_nondata(_get_cli)

def get_alt(self, kind, alt):
        # Get alternative kind for a kind with self as fam.classifier.
        return self.mod.alt(kind, alt)

def get_dictof(self, kind):
        name = '%s.dictof' % self.name
        er = self.mod.mker_memoized(
            name,
            lambda:
            self.mod._er_by_(ByDictOwner, self.mod, name, self))

return er.classifier.dictof(kind)

def get_kind(self, k):
        # Make an equivalence class from low-level classification
        return self.family(k)

def get_kindarg(self, kind):
        # Inverse of get_kind
        cla, ka, cmp = kind.get_ckc()
        if cla is not self:
            raise ValueError(
                'get_kindarg: argument with classifier %r expected' % self)
        return ka

def get_reprname(self):
        return '%s%s' % (self.mod.Use.reprefix, self.name)

def get_sokind(self, er, *args, **kwds):
        k = er(*args, **kwds)
        return CallableSoKind(er, (k,))

def get_sokindrepr(self, sokind):
        # Get the representation of a set of kinds
        # from this classifier / eqv. relation.
        return '%s.sokind%s' % (self.get_reprname(),
                                ''.join(['(%s)' % self.get_userkindargrepr(k)
                                         for k in sokind.kinds]))

def get_tabheader(self, ctx=''):
        # If ctx = 'and', get the table header when used as a part of the 'and' classifier.
        #     It is sometimes a more compact or parenthesised version of the usual tab header.
        return self.get_byname()

def get_tabrendering(self, cla, ctx=''):
        # If ctx = 'and', get the table rendering when used as a part of the 'and' classifier
        #     sometimes we want to enclose something in parenthesises.
        return cla.brief

def get_userkind(self, *args, **kwds):
        # Make a kind from user-level arguments
        return self.family(*args, **kwds)

def get_userkindarg(self, kind):
        return kind.arg

def get_userkindargrepr(self, kind):
        return repr(self.get_userkindarg(kind))

def partition(self, iterable):
        items = []
        for k, v in self.partition_cli(iterable):
            k = self.get_kind(k)
            v = self.mod.Use.idset(v, er=self.er)
            items.append((k, v))
        return items

def partition_cli(self, a):
        ep = self.call_with_referrers(
            a,
            self.cli.epartition)
        return [(k, ep[k]) for k in ep.get_domain()]

def relimg(self, X):
        p = self.partition_cli(X)
        kinds = [self.get_kind(k) for k, v in p]  # could be more efficient
        return self.mod.Use.union(kinds, maximized=1)

def select_cli(self, a, b, cmp='=='):
        return self.call_with_referrers(
            a,
            lambda a: self.cli.select(a, b, cmp))

def select_ids(self, X, k, alt=None):
        r = self.mod.Use.idset(self.select_cli(X.nodes, k, alt))
        return r

class SoKind(object):
    def __init__(self, er, kinds):
        self.er = er
        self.classifier = er.classifier
        self.kinds = kinds
        self.clikinds = self.classifier.mod.ImpSet.immnodeset(
            [self.classifier.get_kindarg(kind) for kind in kinds])

def __eq__(self, other):
        if not isinstance(other, SoKind):
            return False
        if self.classifier != other.classifier:
            return False
        a = self.classifier.mod.Use.union(self.kinds)
        b = self.classifier.mod.Use.union(other.kinds)
        return a == b

def __hash__(self):
        return hash(repr(self))

def __repr__(self):
        return self.classifier.get_sokindrepr(self)

def _get_refdby(self):
        return self.er.refdby(self)

refdby = property(_get_refdby)

class CallableSoKind(SoKind):
    def __call__(self, *args, **kwds):
        k = self.er(*args, **kwds)
        return self.__class__(self.er, self.kinds + (k,))

class SoNoKind(SoKind):
    def __repr__(self):
        return '%s%s' % (self.classifier.mod.Use.reprefix, 'sonokind')

class QuickSoKind(SoKind):
    # Quicker to make than SoKind,
    # when clikinds is available but not kinds.
    __slots__ = 'classifier', 'clikinds'

def __init__(self, classifier, clikinds):
        self.classifier = classifier
        self.clikinds = clikinds

def _get_er(self):
        return self.classifier.er

er = property(_get_er)

def _get_kinds(self):
        return tuple([self.classifier.get_kind(k) for k in self.clikinds])

kinds = property(_get_kinds)

class IdentityFamily:
    # Holds a single object node
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier

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 is 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 is b.arg
        return self.supercl is not None and self.supercl <= b

def c_contains(self, a, b):
        return b is a.arg

def _and_ID(self, a, b):
        # Just a possible optimization
        return self.mod.Use.idset(b.nodes & [a.arg])

def c_get_brief(self, a):
        return '<id %s>' % hex(id(a.arg))

def c_repr(self, a):
        return '%s(%s)' % (self.classifier.get_reprname(), self.classifier.get_userkindargrepr(a))

class ByIdentity(Classifier):
    def __init__(self, mod, name):
        Classifier.__init__(self, mod, name, mod.hv.cli_id())
        self.family = mod.fam_mixin_argatom(IdentityFamily, self)
        # self.super_classifiers = mod.Use.Anything # Replace whatever Classifer had set it to

def get_byname(self):
        return 'object identity'

def get_tabheader(self, ctx=''):
        return 'Object Identity'

def get_userkind(self, address):
        return self.get_kind(self.mod.View.obj_at(address))

def get_userkindarg(self, kind):
        return id(kind.arg)

def get_userkindargrepr(self, kind):
        return hex(self.get_userkindarg(kind))

class ByIdentitySet(Classifier):
    # Classification is, conceptually, a singleton immnodeset of each object

# What this is used to is:
    # to be able to use an iso() set as a kind
    # combined with other classifiers eg in dictof, biper

# The ckc returned from an iso is then
    # this classifier, nodes of iso, '<='

# The cmp indicates subset
    # select thus selects every object for which it singleton is a subset of the set given
    # which is optimized to select the object that are members of that set
    # and may be optimized at higher levels to invoke the low-level set intersection

def __init__(self, mod, name):
        Classifier.__init__(self, mod, name, mod.hv.cli_idset())
        self.family = mod.Use.idset
        # self.super_classifiers = mod.Use.Anything # Replace whatever Classifer had set it to

def get_byname(self):
        return 'by identity set'

def get_userkind(self, node):
        return self.family(self.mod.ImpSet.immnodeset([node]))

def relimg(self, X):
        p = self.partition_cli(X)
        k = self.mod.ImpSet.immnodeset_union([k for k, v in p])
        return self.family(k)

class PyObjectFamily:
    def __init__(self, mod, classifier):
        self.classifier = classifier

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

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.Use.iso(x)
            r = x.brief.lstrip('<1 ').rstrip('>')
            return r
        return render

def c_get_brief(self, a):
        return '<Anything>'

def c_repr(self, a):
        return '%s%s' % (self.mod.Use.reprefix, 'Anything')

def _and_ID(self, a, b):
        # Optimization shortcut
        # shcould be made in classifer.select
        return b

class ByUnity(Classifier):
    """byunity
Classify by <unity>.
The classification returned for every object is <Anything>."""

def __init__(self, mod, name):
        Classifier.__init__(self, mod, name, mod.hv.cli_none(),
                            # Must make it avoid referring to Unity !
                            supers=[self]
                            )
        self.family = mod.fam_mixin_argatom(PyObjectFamily, self)

def get_byname(self):
        return 'unity'

def get_tabheader(self, ctx=''):
        return '<unclassified>'

def get_userkind(self, *args):
        return self.mod.Use.Anything

def get_userkindarg(self, kind):
        return None

class IndiSizeFamily:
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier

def __call__(self, a):
        a = int(a)
        return self.mod.AtomFamily.__call__(self, a)

def c_alt(self, a, alt):
        return self.classifier.get_alt(a, alt)

def c_contains(self, a, b):
        return a.arg == self.classifier.cli.classify(b)

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

def c_get_brief(self, a):
        return '<size = %d>' % a.arg

def c_get_brief_alt(self, a, alt):
        return '<size %s %d>' % (alt, a.arg)

def c_repr(self, a):
        return '%s(%s)' % (self.classifier.get_reprname(), a.arg)

class ByIndiSize(Classifier):
    """byindisize
Classify by <individual size>.
The classification will be individual memory size of the object."""

def __init__(self, mod, name):
        Classifier.__init__(self, mod, name)
        self.family = mod.fam_mixin_argatom(IndiSizeFamily, self)

def get_byname(self):
        return 'individual size'

def get_cli(self):
        return self.mod.hv.cli_indisize({})

def get_tabheader(self, ctx=''):
        return 'Individual Size'

def get_tabrendering(self, cla, ctx=''):
        if ctx:
            return '%d' % cla.arg
        else:
            return '%9d' % cla.arg

class TypeFamily:
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier
        self.range = mod.fam_Family(self)

def __call__(self, a):
        if not isinstance(a, type):
            raise TypeError("Argument should be a type.")
        return self.Set(self, a)

def c_alt(self, a, alt):
        return self.classifier.get_alt(a, alt)

def c_contains(self, a, b):
        return type(b) is a.arg

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

def c_get_brief(self, a):
        return self.mod.summary_str(type(a.arg))(a.arg)

def c_get_brief_alt(self, a, alt):
        x = {
            '<': 'strict subtype',
            '<=': 'subtype',
            '>=': 'supertype',
            '>': 'strict supertype'
        }[alt]
        return '<%s of %s>' % (x, self.c_get_brief(a))

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

class ByType(Classifier):
    """bytype
Classify by <type>.
The classification will be the type of the object."""

def __init__(self, mod, name):
        Classifier.__init__(self, mod, name, mod.hv.cli_type())
        self.family = mod.fam_mixin_argatom(TypeFamily, self)

def get_attr_for_er(self, name):
        try:
            ty = getattr(self.mod.types, name+'Type')
        except AttributeError:
            ty = getattr(self.mod.builtins, name.lower())
        return self.get_userkind(ty)

def get_byname(self):
        return 'type'

def get_repr(self, kind):
        t = kind.arg
        rn = self.get_reprname()
        if t in self.mod.invtypemod:
            return '%s.%s' % (rn, self.mod.invtypemod[t])
        else:
            return '%s(%r)' % (rn, self.get_userkindarg(kind))

def get_tabheader(self, ctx=''):
        return 'Type'

def get_userkind(self, kind):
        kind = self.mod.tc_adapt(kind)
        return self.family(kind)

def get_userkindarg(self, kind):
        # A representation that is a valid userkind arg.
        return self.mod.Use.tc_repr(kind.arg)

class OwnedDictFamily:
    def __init__(self, mod):
        self.defrefidis(mod.Use.Type(dict))

def _get_ownerkind(self, a):
        return a.arg

def c_alt(self, a, alt):
        return self(a.arg.alt(alt))

def c_get_render(self, a):
        ka = self._get_ownerkind(a)
        if ka is self.mod.Use.Nothing:
            return self.mod.Use.Type.Dict.get_render()
        else:
            ownrender = ka.get_render()

def render(x):
                ret = ownrender(self.mod.Use.iso(x).owners.theone)
                if '.' in ret:
                    ret = '..'+ret.split('.')[-1]
                return ret
            return render

if ka == self.mod.fam_Type(self.types.ModuleType):
            modrender = self.mod.Use.Type.Module.get_render()

def render(x):
                return modrender(self.mod.Use.iso(x).owners.theone)
            return render
        else:
            return self.mod.Use.Type.Dict.get_render()

def c_get_brief(self, a):
        ka = self._get_ownerkind(a)
        if ka is self.mod.Use.Nothing:
            return 'dict (no owner)'
        else:
            return 'dict of ' + ka.brief

def c_get_ckc(self, a):
        cla, k, cmp = a.arg.get_ckc()
        if cmp != '==':
            cla, k, cmp = a.arg.biper(0).get_ckc()

docla = cla.er.dictof.classifier
        if a.arg is self.mod.Use.Nothing:
            k = docla.notownedtag
        return docla, k, cmp

def c_get_str_for(self, a, b):
        return self.c_get_brief(a)

def c_get_idpart_render(self, a):
        ka = self._get_ownerkind(a)
        if ka is not self.mod.Use.Nothing:
            owner_render = ka.fam.c_get_idpart_render(ka)

def render(x):
                return owner_render(self.mod.Use.iso(x).owners.theone)
            return render
        else:
            b = self.mod._parent.Spec.Type.Dict
            return b.fam.c_get_idpart_render(b)

def c_get_idpart_header(self, a):
        ka = self._get_ownerkind(a)
        if ka is self.mod.Use.Nothing:
            return 'Address*Length'
        else:
            return 'Owner ' + ka.fam.c_get_idpart_header(ka)

def c_repr(self, a):
        ka = self._get_ownerkind(a)
        ra = repr(ka)
        if ra.startswith('~'):
            ra = '(%s)' % ra
        return '%s.dictof' % ra

class ByDictOwner(Classifier):
    def __init__(self, mod, name, ownerclassifier):
        Classifier.__init__(self, mod, name, depends=[ownerclassifier])
        self.ownerclassifier = ownerclassifier
        self.hv = mod.View.hv
        self.ownership = mod.View.dict_ownership
        self.family = mod.dictof

self.notdict = mod.notdict
        self.dictofnothing = mod.dictofnothing

# Hashable unique tags
        # Using sets methods since I dont want our hiding tag here!
        # Confuses heapg. Note feb 3 2006
        self.notdicttag = mod.ImpSet.immnodeset([[]])
        self.notownedtag = mod.ImpSet.immnodeset([[]])

def get_byname(self):
        return '[dict of] %s' % self.ownerclassifier.get_byname()

def get_cli(self):
        cli = self.hv.cli_dictof(self.ownership, self.ownerclassifier.cli, self.notdicttag,
                                 self.notownedtag)
        return cli

def get_kind(self, k):
        if k is self.notdicttag:
            return self.notdict
        elif k is self.notownedtag:
            return self.dictofnothing
        else:
            return self.family(self.ownerclassifier.get_kind(k))

def get_kindarg(self, kind):
        if kind is self.notdict:
            return self.notdicttag
        elif kind is self.dictofnothing:
            return self.notownedtag
        else:
            return self.ownerclassifier.get_kindarg(kind.arg)

def get_tabheader(self, ctx=''):
        return 'Dict of %s' % self.ownerclassifier.get_tabheader(ctx)

def get_tabrendering(self, kind, ctx=''):
        if kind is self.notdict:
            r = kind.brief
        elif kind is self.dictofnothing:
            r = 'dict (no owner)'
        else:
            r = 'dict of ' + \
                self.ownerclassifier.get_tabrendering(kind.arg, ctx)
        return r

def get_userkind(self, k):
        if k is None:
            return self.notdict
        elif k is self.mod.Use.Nothing:
            return self.dictofnothing
        else:
            return self.family(k)

def get_userkindarg(self, kind):
        if kind is self.notdict:
            return None
        elif kind is self.dictofnothing:
            return self.mod.Use.Nothing
        else:
            return kind.arg

def owners(self, X):
        p = self.partition_cli(X.nodes)
        ns = self.mod.ImpSet.mutnodeset()
        drg = self.ownership
        for k in X.nodes:
            t = drg[k]
            if not t:
                self.mod.hv.update_dictowners(drg)
                t = drg[k]
            if t:
                v = t[0]
                if v is not None:
                    ns.add(v)
        return self.mod.Use.idset(ns)

class ByClassOrDictOwner(Classifier):
    """byclodo
Classify by <type or dict owner>.
The classification is performed as follows:
1.      If the object is not a dictionary,
        the classification will be the type of the object.
2.      The object is a dictionary. The referrers of the
        object are searched to find one that 'owns' the
        dictionary. That is, typically, that the dict is
        the __dict__ attribute of the owner. If no such
        owner is found, the type 'dict' will be the
        classification. If an owner is found, a special
        object that indicates the classification of the owner
        will be returned. The classification of the owner
        will be done by class. (As byclass.)"""

def __init__(self, mod, name):
        a = mod.Type
        d = a.dictof
        ad = (a & d).classifier
        sup = a.classifier
        Classifier.__init__(self, mod, name, cli=None,
                            supers=[sup], depends=[ad])
        self.sup = sup
        self.a = a.classifier
        self.d = d.classifier
        self.ad = ad

def get_byname(self):
        return '[dict of] class'

def get_cli(self):
        return self.ad.cli

def get_kind(self, xxx_todo_changeme):
        (ka, kd) = xxx_todo_changeme
        if kd is self.d.notdicttag:
            return self.a.get_kind(ka)
        else:
            return self.d.get_kind(kd)

def get_kindarg(self, kind):
        if kind.fam is self.d.family:
            ka = dict
            kd = self.d.get_kindarg(kind)
        else:
            ka = self.a.get_kindarg(kind)
            kd = self.d.notdicttag
        return (ka, kd)

def get_tabheader(self, ctx=''):
        return 'Kind (class / dict of class)'

def get_userkind(self, kind=None, dictof=None):
        try:
            if kind is None and dictof is not None:
                if dictof == ():
                    do = self.mod.UniSet.Nothing
                else:
                    do = self.sup.get_userkind(dictof)
                return self.d.get_userkind(do)
            elif kind is not None and dictof is None:
                kind = self.mod.tc_adapt(kind)
                if kind is dict:
                    raise TypeError(
                        'dict is not an equivalence class of Clodo, use dictof=() etc')
                return self.sup.get_kind(kind)
            else:
                raise TypeError
        except TypeError:
            raise TypeError("""\
Argument should be either
    <type except dict>
    dictof=<type>
    dictof=()""")

def get_userkindargrepr(self, kind):
        if kind.fam is self.d.family:
            if kind.arg is self.mod.UniSet.Nothing:
                d = '()'
            else:
                d = self.d.ownerclassifier.get_userkindargrepr(kind.arg)
            return 'dictof=%s' % d
        else:
            return kind.fam.classifier.get_userkindargrepr(kind)

def owners(self, X):
        return self.d.owners(X)

class RetClaSetFamily:
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier

def c_alt(self, a, alt):
        return a.arg.classifier.er.refdby.classifier.get_alt(a, alt)

return self.classifier.get_alt(a, alt)

def _get_arg_brief(self, a):
        return a.arg.er.refdby.classifier.get_tabrendering(a, False)

def c_get_brief(self, a):
        return '<referred by: %s>' % self._get_arg_brief(a)

def c_get_brief_alt(self, a, alt):
        x = {
            '<': 'by less than',
            '<=': 'by at most',
            '>=': 'by at least',
            '>': 'by more than',
        }[alt]
        return '<referred %s: %s>' % (x, self._get_arg_brief(a))

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

def c_repr(self, a):
        return '%r.refdby' % a.arg

# Public

def sokind(self, sok):
        if not isinstance(sok, SoKind):
            raise TypeError('SoKind expected')

er = sok.classifier.er.refdby
        kinds = (self(sok),)
        return CallableSoKind(er, kinds)

class ByRetClaSet(Classifier):
    def __init__(self, mod, name, rg, referrer_classifier, doc):
        Classifier.__init__(self, mod, name, with_referrers=True)
        self.rg = rg
        self.referrer_classifier = referrer_classifier
        self.family = self.mod.fam_mixin_argatom(RetClaSetFamily, self)
        self.__doc__ = doc

def get_byname(self):
        return 'referrer kinds'

def get_cli(self):
        memo = {}
        return self.mod.hv.cli_rcs(self.rg, self.referrer_classifier.cli, memo)

def get_inverted_refkind(self, k):
        if k.fam.opname == 'OR':
            ks = k.arg
        elif k is self.mod.Use.Nothing:
            ks = ()
        else:
            ks = (k,)
        rks = []
        for k in ks:
            rks.append(self.referrer_classifier.get_kindarg(k))
        return self.mod.ImpSet.immnodeset(rks)

def get_kind(self, k):
        if k:
            return self.family(QuickSoKind(self.referrer_classifier, k))
        else:
            return self.mod.refdbynothing

def get_tabheader(self, ctx=''):
        th = 'Referrers by %s' % self.referrer_classifier.get_tabheader(ctx)
        if ctx:
            th = '{%s}' % th
        return th

def get_tabrendering(self, cla, ctx):
        rs = [self.referrer_classifier.get_tabrendering(
            x, ctx) for x in cla.arg.kinds]
        rs.sort()
        r = ', '.join(rs)
        if ctx:
            r = '{%s}' % r
        elif not r:
            r = '<Nothing>'
        return r

def get_userkind(self, *args):
        firstsok = None
        clikinds = []
        for arg in args:
            if isinstance(arg, SoKind):
                if not arg.classifier is self.referrer_classifier:
                    raise ValueError('Expected a SoKind with the %r classifier, argument had %r.' % (
                        self.referrer_classifier.name,
                        arg.classifier.name))
                clikinds.extend(arg.clikinds)
                if firstsok is None:
                    firstsok = arg

else:
                # Assume we got a single kind
                # get_kindarg takes care of classifier error checking
                clikinds.append(self.referrer_classifier.get_kindarg(arg))

if len(args) > 1 or firstsok is None:
            sok = QuickSoKind(self.referrer_classifier,
                              self.mod.ImpSet.immnodeset(clikinds))
        else:
            sok = firstsok

return self.family(sok)

class InRelFamily:
    def __init__(self, mod, classifier):
        self.classifier = classifier
        self.defrefining(mod.Use.Anything)

def _eq_args(self, a, b):
        # They are sequences (immnodesets) of relations.
        # I have not memoized them since I was afraid they would last too long
        # and I thought it not be worthwhile and hope this comparison is not done too often.
        # So I will compare them as equality based sets.
        a = dict([(x, ()) for x in a])
        b = dict([(x, ()) for x in b])
        return a == b

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 self._eq_args(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 self._eq_args(a.arg, b.arg)
        return self.supercl is not None and self.supercl <= b

def c_alt(self, a, alt):
        return self.classifier.get_alt(a, alt)

def c_get_brief(self, a):
        return '<via %s>' % self.classifier.get_tabrendering(a, None)

def c_repr(self, a):
        return '%s(%s)' % (self.classifier.get_reprname(),
                           self.classifier.get_userkindargrepr(a))

class ByInRel(Classifier):
    def __init__(self, mod, name, rg):
        Classifier.__init__(self, mod, name, with_referrers=True)
        self.rg = rg
        self.family = mod.fam_mixin_argatom(InRelFamily, self)

def _rel2str(self, r):
        P = self.mod._parent.Path
        t = P.rel_table
        x = t[r.kind](r.relator)
        s = x.stra('_', safe=False)
        if s.startswith('_'):
            s = s[1:]
        return s

def _str2rel(self, s):
        # Parse a string as generated by rel2str,
        # to recreate the relation object.
        P = self.mod._parent.Path
        orgs = s

def mkrel(R, *args):
            return self.mod.View.heapyc.Relation(R.code, *args)
        if s.startswith('list(_)['):
            s = s[8:].rstrip(']')
            r = int(s)
            rel = mkrel(P.R_INSET, r)
            return rel
        if s.startswith('_'):
            s = s[1:]
        if s.startswith('['):
            s = s[1:].rstrip(']')
            loc = {'hp': self.mod.Use}
            r = eval(s, loc)
            rel = mkrel(P.R_INDEXVAL, r)
        elif s.startswith('.'):
            s = s[1:]
            if s.replace('_', 'x').isalnum():
                rel = mkrel(P.R_ATTRIBUTE, s)
            elif s.startswith('f_locals['):
                s = s[9:].rstrip(']')
                r = eval(s, {})
                rel = mkrel(P.R_LOCAL_VAR, r)
            elif s.startswith('f_locals ['):
                s = s[10:].rstrip(']')
                r = eval(s, {})
                rel = mkrel(P.R_CELL, r)
            elif s.startswith('keys()['):
                s = s[7:].rstrip(']')
                r = int(s)
                rel = mkrel(P.R_INDEXKEY, r)
            elif s.startswith('__dict__.keys()['):
                s = s[16:].rstrip(']')
                r = int(s)
                rel = mkrel(P.R_HASATTR, r)
            else:
                raise SyntaxError('Cant make a relation of %r.' % orgs)
        elif s.startswith('->'):
            s = s[2:]
            if s.startswith('f_valuestack['):
                s = s[13:].rstrip(']')
                r = int(s)
                rel = mkrel(P.R_STACK, r)
            else:
                rel = mkrel(P.R_INTERATTR, s)
        else:
            raise SyntaxError('Cant make a relation of %r.' % orgs)
        return rel

def get_byname(self):
        return 'referred via'

def get_cli(self):
        memokind = {}
        memorel = {}
        return self.mod.hv.cli_inrel(self.rg, memokind, memorel)

def get_kind(self, k):
        return self.family(k)

def get_tabheader(self, ctx=''):
        if not ctx:
            return "Referred Via:"
        else:
            r = 'Referred Via'
            if ctx == 'and':
                r = '{%s}' % r
            return r

def get_tabrendering(self, kind, ctx=''):
        r = self.get_userkindargrepr(kind)
        if ctx == 'and':
            r = '{%s}' % r
        return r

def get_userkind(self, *args):
        return self.get_kind([self._str2rel(x) for x in args])

def get_userkindargrepr(self, kind):
        a = [repr(self._rel2str(x)) for x in kind.arg]
        a.sort()
        return ', '.join(a)

class AndClassifier(Classifier):
    def __init__(self, mod, name, args):  # At least 2 args
        if name is None:
            name = '(%s)' % ' & '.join([x.name for x in args])
        Classifier.__init__(self, mod, name, cli=None,
                            supers=args, depends=args)
        self.args = args

def get_byname(self):
        return '<%s>' % ' & '.join([x.get_byname() for x in self.args])

def get_cli(self):
        memo = {}
        return self.mod.hv.cli_and(tuple([x.cli for x in self.args]), memo)

def get_kind(self, k):
        ks = []
        for ki, ci in zip(k, self.args):
            ks.append(ci.get_kind(ki))
        return self.mod.UniSet.fam_And._cons(ks)

def get_reprname(self):
        return '(%s)' % ' & '.join([x.get_reprname() for x in self.args])

def get_tabheader(self, ctx=''):
        r = '%s' % ' & '.join([x.get_tabheader('and') for x in self.args])
        if ctx == 'and':
            r = '(%s)' % r
        return r

def get_tabrendering(self, cla, ctx=''):
        ss = []
        for a, cl in zip(cla.arg, self.args):
            s = cl.get_tabrendering(a, 'and')
            ss.append(s)
        r = ' & '.join(ss)
        if ctx == 'and':
            r = '(%s)' % r
        return r

class ModuleFamily:
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier
        self.range = mod.fam_Family(self)

def c_contains(self, a, b):
        return b is a.arg

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

def c_get_brief(self, a):
        return self.mod.summary_str(type(a.arg))(a.arg)

def c_repr(self, a):
        return '%s(%s)' % (self.classifier.get_reprname(),
                           self.classifier.get_userkindargrepr(a))

class ByModule(Classifier):
    def __init__(self, mod, name):
        def classify(x):
            self.nc += 1
            return x

cli = mod.hv.cli_user_defined(mod.Use.Type.classifier.cli,
                                      mod.Use.Type.Module.arg,
                                      classify,
                                      None
                                      )
        Classifier.__init__(self, mod, name, cli)
        self.not_module = ~mod.Use.Type.Module
        self.nc = 0
        self.family = mod.fam_mixin_argatom(ModuleFamily, self)
        self.ModuleType = mod.types.ModuleType

def get_byname(self):
        return 'module'

def get_kind(self, k):
        if k is None:
            return self.not_module
        else:
            return self.family(k)

def get_kindarg(self, kind):
        if kind is self.not_module:
            return None
        else:
            assert kind.fam is self.family
            return kind.arg

def get_tabheader(self, ctx=''):
        return 'Module'

def get_userkind(self, name=None, at=None):
        if name is None and at is None:
            return self.not_module
        if at is None:
            try:
                m = self.mod.View.target.sys.modules[name]
            except KeyError:
                raise ValueError(
                    'No module %r in View.target.sys.modules.' % name)
        else:
            m = self.mod.View.obj_at(at)
        if not isinstance(m, self.ModuleType):
            raise TypeError(
                'The specified object is not of module type, but %r.' % type(m))
        if name is not None and m.__name__ != name:
            raise ValueError(
                'The specified module has not name %r but %r.' % (name, m.__name__))
        return self.family(m)

def get_userkindargrepr(self, kind):
        if kind is self.not_module:
            return ''
        else:
            m = kind.arg
            name = m.__name__
            s = '%r' % name
            if self.mod._root.sys.modules.get(name) is not m:
                s += ', at=%s' % hex(id(m))
            return s

class AltFamily:
    def __init__(self, mod, altcode):
        if altcode not in ('<', '<=', '==', '!=', '>', '>='):
            raise ValueError('No such comparison symbol: %r' % altcode)
        self.altcode = altcode
        self.disjoints -= [self]

def c_get_brief(self, a):
        return a.arg.fam.c_get_brief_alt(a.arg, self.altcode)

def c_get_ckc(self, a):
        ckc = list(a.arg.get_ckc())
        if ckc[-1] == '==':
            ckc[-1] = self.altcode
        else:
            raise ValueError(
                'Can not make alternative kind, non-equality comparison on underlying kind.')
        return tuple(ckc)

def c_repr(self, a):
        return '%s.alt(%r)' % (repr(a.arg), self.altcode)

class FindexFamily:
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier
        self.range = mod.fam_Family(self)

def c_get_brief(self, a):
        if not 0 <= a.arg < len(self.classifier.kinds):
            return '<None>'
        else:
            return '%s / %d' % (self.classifier.kinds[a.arg].brief, a.arg)

def c_repr(self, a):
        return '%s(%d)' % (self.classifier.get_reprname(), a.arg)

class ByFindex(Classifier):
    def __init__(self, mod, name, kinds):
        self.alts = [k.fam.c_get_ckc(k) for k in kinds]
        depends = [ckc[0] for ckc in self.alts]
        Classifier.__init__(self, mod, name, depends=depends)
        self.kinds = kinds
        self.family = mod.fam_mixin_argatom(FindexFamily, self)

def get_cli(self):
        alts = tuple([(cla.cli, k, cmp) for (cla, k, cmp) in self.alts])
        memo = {}
        cli = self.mod.hv.cli_findex(alts, memo)
        return cli

def get_byname(self):
        return 'index of first matching kind of %s' % (self.kinds,)

def get_tabheader(self, ctx=''):
        return 'First Matching Kind / Index'

class ProdFamily:
    def __init__(self, mod, classifier):
        self.defrefining(mod.Use.Anything)
        self.classifier = classifier
        self.range = mod.fam_Family(self)

def c_alt(self, a, alt):
        return self.classifier.get_alt(a, alt)

def c_get_brief(self, a):
        if a.arg is None:
            return 'unknown'
        else:
            return '%s:%d' % a.arg

def c_repr(self, a):
        return '%s(%s)' % (self.classifier.get_reprname(),
                           self.classifier.get_userkindargrepr(a))

class ByProd(Classifier):
    def __init__(self, mod, name):
        Classifier.__init__(self, mod, name)
        self.family = mod.fam_mixin_argatom(ProdFamily, self)

def get_byname(self):
        return 'producer'

def get_cli(self):
        self.mod.Use._check_tracemalloc()
        memo = {}
        return self.mod.hv.cli_prod(memo)

def get_tabheader(self, ctx=''):
        return 'Producer (line of allocation)'

def get_userkind(self, *args, **kwds):
        if args and kwds:
            raise TypeError(
                '{}() takes either positional or keyword arguments'.format(
                    self.get_reprname()))
        if kwds:
            if set(kwds.keys()) != {'filename', 'lineno'}:
                raise TypeError(
                    '{}() keyword arguments must be '
                    '"filename" and "lineno"'.format(
                        self.get_reprname()))
            return self.family((kwds['filename'], kwds['lineno']))

if len(args) == 0:
            return self.family(None)
        elif len(args) == 1:
            arg, = args
            if isinstance(arg, str):
                # filename
                return self.family((arg, None)).alt('<')

filename = self.mod.inspect.getsourcefile(arg)
            lines, lnum = self.mod.inspect.getsourcelines(arg)
            lines, lnum = len(lines), max(lnum, 1)

return (
                self.family((filename, None)).alt('<') &
                self.family((None, lnum)).alt('>=') &
                self.family((None, lnum + lines)).alt('<'))
        elif len(args) == 2:
            filename, lineno = args
            if filename is not None and not isinstance(filename, str):
                raise TypeError(
                    '{}() argument 1 must be string or None'.format(
                        self.get_reprname()))
            if lineno is not None and not isinstance(lineno, int):
                raise TypeError(
                    '{}() argument 2 must be integer or None'.format(
                        self.get_reprname()))
            return self.family((filename, lineno))
        else:
            raise TypeError(
                '{}() takes from 0 to 2 positional arguments '
                'but {} were given'.format(
                    self.get_reprname(), len(args)))

def get_userkindargrepr(self, kind):
        if kind.arg is None:
            return ''
        return '%r, %r' % kind.arg

class _GLUECLAMP_:
    _imports_ = (
        '_parent:ImpSet',
        '_parent:View',
        '_parent.View:hv',
        '_parent:UniSet',
        '_parent.UniSet:fam_mixin_argatom',
        '_parent:Use',
        '_root.guppy.etc.etc:str2int',
        '_root:inspect',
        '_root:re',
        '_root:types',
        '_root:builtins',
    )

def _er_by_(self, constructor, *args, **kwds):
        return self.UniSet.fam_EquivalenceRelation(constructor, *args, **kwds)

# Exported equivalence relations

def _get_Clodo(self):
        return self._er_by_(ByClassOrDictOwner, self, name='Clodo')

def _get_Id(self):
        return self._er_by_(ByIdentity, self, name='Id')

def _get_Idset(self):
        return self._er_by_(ByIdentitySet, self, name='Idset')

def _get_Module(self):
        return self._er_by_(ByModule, self, name='Module')

def _get_Prod(self):
        return self._er_by_(ByProd, self, name='Prod')

def _get_Unity(self):
        return self._er_by_(ByUnity, self, name='Unity')

def _get_Rcs(self):
        return self.mker_refdby(self.Clodo)

def mker_and(self, ers):
        if len(ers) == 0:
            return self.Unity
        classifiers = [er.classifier for er in ers]
        name = None
        return self.UniSet.fam_EquivalenceRelation(AndClassifier, self, name, classifiers)

def mker_dictof(self, er, name=None):
        if name is None:
            name = '%s.dictof' % er.classifier.name
        return self.mker_memoized(
            name,
            lambda:
            self._er_by_(ByDictOwner, self, name, er.classifier))

def _get_memo_er(self):
        return {}

def mker_memoized(self, name, f):
        v = self.memo_er.get(name)
        if v is None:
            self.memo_er[name] = v = f()
        return v

def mker_refdby(self, er, name=None):
        if name is None:
            name = '%s.refdby' % er.classifier.name
        return self.mker_memoized(
            name,
            lambda:
            self._er_by_(
                ByRetClaSet,
                self,
                name,
                self.View.rg,
                er.classifier,
                """%s
Classify by <%s> of referrers.
This classifier uses the %r classifier to classify the
referrers of the object. The classifications of the referrers
are collected in a set. This set becomes the classification of
the object.
""" % (name, er.classifier.get_byname(), er.classifier.name)))

def _get_Size(self):
        return self._er_by_(ByIndiSize, self, 'Size')

def _get_Type(self):
        return self._er_by_(ByType, self, 'Type')

def _get_Via(self):
        View = self.View
        return self._er_by_(
            ByInRel,
            self,
            'Via',
            View.rg)

def tc_adapt(self, k):
        # Adapt to a type.
        # Accepts a type object, or a string representation
        # (at least as) by tc_repr.

if isinstance(k, type):
            return k
        if not isinstance(k, str):
            raise TypeError('type, class or basestring expected')

err = ("String argument to tc_adapt should be of form\n"
               "'<class MODULE.NAME at 0xADDR>' or\n"
               "'<type MODULE.NAME at 0xADDR>' or\n"
               "'<at 0xADDR>'. I got: %r" % k)

s = k
        if not (s.startswith('<') and s.endswith('>')):
            raise ValueError(err)
        s = s.lstrip('<').rstrip('>')
        s = s.split(' ')
        if len(s) < 2:
            raise ValueError(err)
        t = s[0]
        addr = self.str2int(s[-1])
        kind = self.View.obj_at(addr)
        if t == 'at':
            if len(s) != 2:
                raise ValueError(err)
            ty = None
        else:
            if len(s) != 4:
                raise ValueError(err)
            if t not in ('type', 'class'):
                raise ValueError(err)
            try:
                ty = getattr(self.types, t.capitalize()+'Type')
            except AttributeError:
                ty = getattr(self.builtins, t.lower())
            if not isinstance(kind, ty):
                raise TypeError('%s object expected' % t)
            if not s[2] == 'at':
                raise ValueError(err)
            names = s[1].split('.')
            if len(names) < 2:
                raise ValueError(err)
            modulename = '.'.join(names[:-1])
            tcname = names[-1]
            if kind.__module__ != modulename:
                raise ValueError(
                    'The %s %r has wrong __module__, expected %r.' % (t, kind, modulename))
            if kind.__name__ != tcname:
                raise ValueError(
                    'The %s %r has wrong __name__, expected %r.' % (t, kind, tcname))

return kind

def tc_repr(self, k):
        # Represent a type object as a string,
        # so that it can converted back via tc_adapt,
        # as long as it still exists in the heap.
        # There is no absolute guarantee that it will always become the same object,
        # but I hope it will work well enough in practice.
        # See also Notes Sep 7 2005.

if isinstance(k, type):
            t = 'type'
        else:
            raise TypeError('type expected')
        return '<%s %s.%s at %s>' % (t, k.__module__, k.__name__, hex(id(k)))

# Convenience interfaces

def _get_alt(self):
        altmemo = {
            '==': lambda k: k,
            '!=': lambda k: ~k,
        }

def alt(kind, cmp):
            a = altmemo.get(cmp)
            if a is None:
                a = self.fam_mixin_argatom(AltFamily, cmp)
                altmemo[cmp] = a
            return a(kind)
        return alt

def biper(self, kind):
        return self.findex(kind)

def _get_dictof(self):
        return self.fam_mixin_argatom(OwnedDictFamily)

def _get_dictofnothing(self):
        return self.dictof(self.Use.Nothing)

def _get_invtypemod(self):
        invtypemod = {}
        for k, v in list(self.types._module.__dict__.items()):
            if k.endswith('Type'):
                invtypemod[v] = k[:-4]
        return invtypemod

def _get_notdict(self):
        return ~self.Use.Type.Dict

def findex(self, *kinds):
        return self._er_by_(
            ByFindex,
            self,
            'findex(%s)' % ', '.join([repr(k) for k in kinds]),
            kinds
        )

def _get_refdbynothing(self):
        return self.sonokind.refdby

def sokind(self, *kinds):
        """sokind(0..*:Kind+) -> SetOfKind
"""
        cla = None
        clikinds = []
        if not kinds:
            raise ValueError('At least one argument must be given.')
        for kind in kinds:
            ckc = kind.get_ckc()
            if cla is None:
                cla = ckc[0]
            else:
                if ckc[0] is not cla:
                    raise ValueError(
                        'Kind at index %d has wrong classifier.' % len(clikinds))
            if ckc[-1] != '==':
                raise ValueError(
                    'Kind at index %d has wrong comparision.' % len(clikinds))
            clikinds.append(ckc[1])
        return QuickSoKind(cla, self.ImpSet.immnodeset(clikinds))

def _get_sonokind(self):
        return SoNoKind(self.Unity, ())

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