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How to use to_format method in pandera

Best Python code snippet using pandera_python
z3printer.py
Source:z3printer.py
...322        return '<line-break>'323    def space_upto_nl(self):324        return (0, True)325    def flat(self):326        return to_format(self.space)327class StringFormatObject(FormatObject):328    def __init__(self, string):329        assert isinstance(string, str)330        self.string = string331    def is_string(self):332        return True333    def as_tuple(self):334        return self.string335    def space_upto_nl(self):336        return (getattr(self, 'size', len(self.string)), False)337def fits(f, space_left):338    s, nl = f.space_upto_nl()339    return s <= space_left340def to_format(arg, size=None):341    if isinstance(arg, FormatObject):342        return arg343    else:344        r = StringFormatObject(str(arg))345        if size != None:346            r.size = size347        return r348def compose(*args):349    if len(args) == 1 and (isinstance(args[0], list) or isinstance(args[0], tuple)):350        args = args[0]351    return ComposeFormatObject(args)352def indent(i, arg):353    return IndentFormatObject(i, arg)354def group(arg):355    return ChoiceFormatObject([arg.flat(), arg])356def line_break():357    return LineBreakFormatObject()358def _len(a):359    if isinstance(a, StringFormatObject):360        return getattr(a, 'size', len(a.string))361    else:362        return len(a)363def seq(args, sep=',', space=True):364    nl = line_break()365    if not space:366        nl.space = ''367    r = []368    r.append(args[0])369    num  = len(args)370    for i in range(num - 1):371        r.append(to_format(sep))372        r.append(nl)373        r.append(args[i+1])374    return compose(r)375def seq1(header, args, lp='(', rp=')'):376    return group(compose(to_format(header),377                         to_format(lp),378                         indent(len(lp) + _len(header),379                                seq(args)),380                         to_format(rp)))381def seq2(header, args, i=4, lp='(', rp=')'):382    if len(args) == 0:383        return compose(to_format(header), to_format(lp), to_format(rp))384    else:385        return group(compose(indent(len(lp), compose(to_format(lp), to_format(header))),386                             indent(i, compose(seq(args), to_format(rp)))))387def seq3(args, lp='(', rp=')'):388    if len(args) == 0:389        return compose(to_format(lp), to_format(rp))390    else:391        return group(indent(len(lp), compose(to_format(lp), seq(args), to_format(rp))))392class StopPPException(Exception):393    def __str__(self):394        return 'pp-interrupted'395class PP:396    def __init__(self):397        self.max_lines  = 200398        self.max_width  = 60399        self.bounded    = False400        self.max_indent = 40401        402    def pp_string(self, f, indent):403        if not self.bounded or self.pos <= self.max_width:404            sz = _len(f)405            if self.bounded and self.pos + sz > self.max_width:406                self.out.write(u(_ellipses))407            else:408                self.pos = self.pos + sz409                self.ribbon_pos = self.ribbon_pos + sz410                self.out.write(u(f.string))411    def pp_compose(self, f, indent):412        for c in f.children:413            self.pp(c, indent)414    def pp_choice(self, f, indent):415        space_left = self.max_width - self.pos416        if space_left > 0 and fits(f.children[0], space_left):417            self.pp(f.children[0], indent)418        else:419            self.pp(f.children[1], indent)420    421    def pp_line_break(self, f, indent):422        self.pos = indent423        self.ribbon_pos = 0424        self.line = self.line + 1425        if self.line < self.max_lines: 426            self.out.write(u('\n'))427            for i in range(indent):428                self.out.write(u(' '))429        else:430            self.out.write(u('\n...'))431            raise StopPPException()432    def pp(self, f, indent):433        if isinstance(f, str):434            self.pp_string(f, indent)435        elif f.is_string():436            self.pp_string(f, indent)437        elif f.is_indent():438            self.pp(f.child, min(indent + f.indent, self.max_indent))439        elif f.is_compose():440            self.pp_compose(f, indent)441        elif f.is_choice():442            self.pp_choice(f, indent)443        elif f.is_linebreak():444            self.pp_line_break(f, indent)445        else:446            return447    def __call__(self, out, f):448        try:449            self.pos = 0450            self.ribbon_pos = 0451            self.line = 0452            self.out  = out453            self.pp(f, 0)454        except StopPPException:455            return456    457class Formatter:458    def __init__(self):459        global _ellipses460        self.max_depth           = 20461        self.max_args            = 128462        self.rational_to_decimal = False463        self.precision           = 10464        self.ellipses            = to_format(_ellipses)465        self.max_visited         = 10000466        self.fpa_pretty          = True467    468    def pp_ellipses(self):469        return self.ellipses470    def pp_arrow(self):471        return ' ->'472    def pp_unknown(self):473        return '<unknown>'474        475    def pp_name(self, a):476        return to_format(_op_name(a))477    def is_infix(self, a):478        return _is_infix(a)479    480    def is_unary(self, a):481        return _is_unary(a)482    def get_precedence(self, a):483        return _get_precedence(a)484    def is_infix_compact(self, a):485        return _is_infix_compact(a)486    def is_infix_unary(self, a):487        return self.is_infix(a) or self.is_unary(a) 488    def add_paren(self, a):489        return compose(to_format('('), indent(1, a), to_format(')'))490    491    def pp_sort(self, s):492        if isinstance(s, z3.ArraySortRef):493            return seq1('Array', (self.pp_sort(s.domain()), self.pp_sort(s.range())))494        elif isinstance(s, z3.BitVecSortRef):495            return seq1('BitVec', (to_format(s.size()), ))496        elif isinstance(s, z3.FPSortRef):497            return seq1('FPSort', (to_format(s.ebits()), to_format(s.sbits())))498        elif isinstance(s, z3.ReSortRef):499            return seq1('ReSort', (self.pp_sort(s.basis()), ))500        elif isinstance(s, z3.SeqSortRef):501            if s.is_string():502                return to_format("String")503            return seq1('Seq', (self.pp_sort(s.basis()), ))504        else:505            return to_format(s.name())506    def pp_const(self, a):507        k = a.decl().kind()508        if k == Z3_OP_RE_EMPTY_SET:509            return self.pp_set("Empty", a)510        elif k == Z3_OP_SEQ_EMPTY:511            return self.pp_set("Empty", a)512        elif k == Z3_OP_RE_FULL_SET:513            return self.pp_set("Full", a)514        return self.pp_name(a)515    def pp_int(self, a):516        return to_format(a.as_string())517        518    def pp_rational(self, a):519        if not self.rational_to_decimal:520            return to_format(a.as_string())521        else:522            return to_format(a.as_decimal(self.precision))523    def pp_algebraic(self, a):524        return to_format(a.as_decimal(self.precision))525    def pp_string(self, a):526        return to_format("\"" + a.as_string() + "\"")527    def pp_bv(self, a):528        return to_format(a.as_string())529    def pp_fd(self, a):530        return to_format(a.as_string())531    def pp_fprm_value(self, a):532        _z3_assert(z3.is_fprm_value(a), 'expected FPRMNumRef')533        if self.fpa_pretty and (a.decl().kind() in _z3_op_to_fpa_pretty_str):534            return to_format(_z3_op_to_fpa_pretty_str.get(a.decl().kind()))535        else:536            return to_format(_z3_op_to_fpa_normal_str.get(a.decl().kind()))537    def pp_fp_value(self, a):538        _z3_assert(isinstance(a, z3.FPNumRef), 'type mismatch')539        if not self.fpa_pretty:540            r = []541            if (a.isNaN()):542                r.append(to_format(_z3_op_to_fpa_normal_str[Z3_OP_FPA_NAN]))543                r.append(to_format('('))544                r.append(to_format(a.sort()))545                r.append(to_format(')'))546                return compose(r)547            elif (a.isInf()):548                if (a.isNegative()):549                    r.append(to_format(_z3_op_to_fpa_normal_str[Z3_OP_FPA_MINUS_INF]))550                else:551                    r.append(to_format(_z3_op_to_fpa_normal_str[Z3_OP_FPA_PLUS_INF]))                552                r.append(to_format('('))553                r.append(to_format(a.sort()))554                r.append(to_format(')'))555                return compose(r)556            elif (a.isZero()):557                if (a.isNegative()):558                    return to_format('-zero')559                else:560                    return to_format('+zero')561            else:562                _z3_assert(z3.is_fp_value(a), 'expecting FP num ast')563                r = []564                sgn = c_int(0)565                sgnb = Z3_fpa_get_numeral_sign(a.ctx_ref(), a.ast, byref(sgn))566                exp = Z3_fpa_get_numeral_exponent_string(a.ctx_ref(), a.ast, False)567                sig = Z3_fpa_get_numeral_significand_string(a.ctx_ref(), a.ast)568                r.append(to_format('FPVal('))569                if sgnb and sgn.value != 0:570                    r.append(to_format('-'))571                r.append(to_format(sig))572                r.append(to_format('*(2**'))573                r.append(to_format(exp))574                r.append(to_format(', '))575                r.append(to_format(a.sort()))576                r.append(to_format('))'))577                return compose(r)578        else:579            if (a.isNaN()):580                return to_format(_z3_op_to_fpa_pretty_str[Z3_OP_FPA_NAN])581            elif (a.isInf()):582                if (a.isNegative()):583                    return to_format(_z3_op_to_fpa_pretty_str[Z3_OP_FPA_MINUS_INF])584                else:585                    return to_format(_z3_op_to_fpa_pretty_str[Z3_OP_FPA_PLUS_INF])586            elif (a.isZero()):587                if (a.isNegative()):588                    return to_format(_z3_op_to_fpa_pretty_str[Z3_OP_FPA_MINUS_ZERO])589                else:590                    return to_format(_z3_op_to_fpa_pretty_str[Z3_OP_FPA_PLUS_ZERO])591            else:592                _z3_assert(z3.is_fp_value(a), 'expecting FP num ast')593                r = []594                sgn = (ctypes.c_int)(0)595                sgnb = Z3_fpa_get_numeral_sign(a.ctx_ref(), a.ast, byref(sgn))596                exp = Z3_fpa_get_numeral_exponent_string(a.ctx_ref(), a.ast, False)597                sig = Z3_fpa_get_numeral_significand_string(a.ctx_ref(), a.ast)598                if sgnb and sgn.value != 0:599                    r.append(to_format('-'))600                r.append(to_format(sig))601                if (exp != '0'):602                    r.append(to_format('*(2**'))603                    r.append(to_format(exp))604                    r.append(to_format(')'))                605                return compose(r)606    def pp_fp(self, a, d, xs):607        _z3_assert(isinstance(a, z3.FPRef), "type mismatch")608        k = a.decl().kind()609        op = '?'610        if (self.fpa_pretty and k in _z3_op_to_fpa_pretty_str):611            op = _z3_op_to_fpa_pretty_str[k]612        elif k in _z3_op_to_fpa_normal_str:613            op = _z3_op_to_fpa_normal_str[k]614        elif k in _z3_op_to_str:615            op = _z3_op_to_str[k]        616        n = a.num_args()617        if self.fpa_pretty:618            if self.is_infix(k) and n >= 3:            619                rm = a.arg(0)620                if z3.is_fprm_value(rm) and z3.get_default_rounding_mode(a.ctx).eq(rm):621                    arg1 = to_format(self.pp_expr(a.arg(1), d+1, xs))622                    arg2 = to_format(self.pp_expr(a.arg(2), d+1, xs))623                    r = []624                    r.append(arg1)625                    r.append(to_format(' '))626                    r.append(to_format(op))627                    r.append(to_format(' '))628                    r.append(arg2)629                    return compose(r)630            elif k == Z3_OP_FPA_NEG:631                return compose([to_format('-') , to_format(self.pp_expr(a.arg(0), d+1, xs))])632        if k in _z3_op_to_fpa_normal_str:633            op = _z3_op_to_fpa_normal_str[k]634        635        r = []        636        r.append(to_format(op))637        if not z3.is_const(a):638            r.append(to_format('('))                        639            first = True640            for c in a.children():                641                if first:642                    first = False643                else:644                    r.append(to_format(', '))645                r.append(self.pp_expr(c, d+1, xs))646            r.append(to_format(')'))647            return compose(r)648        else:649            return to_format(a.as_string())650    def pp_prefix(self, a, d, xs):651        r  = []652        sz = 0653        for child in a.children(): 654            r.append(self.pp_expr(child, d+1, xs))655            sz = sz + 1656            if sz > self.max_args:657                r.append(self.pp_ellipses())658                break659        return seq1(self.pp_name(a), r)660    def is_assoc(self, k):661        return _is_assoc(k)662    def is_left_assoc(self, k):663        return _is_left_assoc(k)664    def infix_args_core(self, a, d, xs, r):665        sz = len(r)666        k  = a.decl().kind()667        p  = self.get_precedence(k)668        first = True669        for child in a.children():670            child_pp = self.pp_expr(child, d+1, xs)671            child_k = None672            if z3.is_app(child):673                child_k = child.decl().kind()674            if k == child_k and (self.is_assoc(k) or (first and self.is_left_assoc(k))):675                self.infix_args_core(child, d, xs, r)676                sz = len(r)677                if sz > self.max_args:678                    return679            elif self.is_infix_unary(child_k):680                child_p = self.get_precedence(child_k)681                if p > child_p or (_is_add(k) and _is_sub(child_k)) or (_is_sub(k) and first and _is_add(child_k)):682                    r.append(child_pp)683                else: 684                    r.append(self.add_paren(child_pp))685                sz = sz + 1686            elif z3.is_quantifier(child):687                r.append(self.add_paren(child_pp))688            else:689                r.append(child_pp)690                sz = sz + 1691            if sz > self.max_args:692                r.append(self.pp_ellipses())693                return694            first = False695    def infix_args(self, a, d, xs):696        r = []697        self.infix_args_core(a, d, xs, r)698        return r699    def pp_infix(self, a, d, xs):700        k  = a.decl().kind()701        if self.is_infix_compact(k):702            op = self.pp_name(a)703            return group(seq(self.infix_args(a, d, xs), op, False))704        else:705            op = self.pp_name(a)706            sz = _len(op)707            op.string = ' ' + op.string708            op.size   = sz + 1709            return group(seq(self.infix_args(a, d, xs), op))710    def pp_unary(self, a, d, xs):711        k  = a.decl().kind()712        p  = self.get_precedence(k)713        child    = a.children()[0]714        child_k  = None715        if z3.is_app(child):716            child_k = child.decl().kind()717        child_pp = self.pp_expr(child, d+1, xs)        718        if k != child_k and self.is_infix_unary(child_k):719            child_p = self.get_precedence(child_k)720            if p <= child_p:721                child_pp = self.add_paren(child_pp)722        if z3.is_quantifier(child):723            child_pp = self.add_paren(child_pp)724        name = self.pp_name(a)725        return compose(to_format(name), indent(_len(name), child_pp))726    def pp_power_arg(self, arg, d, xs):727        r = self.pp_expr(arg, d+1, xs)728        k = None729        if z3.is_app(arg):730            k = arg.decl().kind()731        if self.is_infix_unary(k) or (z3.is_rational_value(arg) and arg.denominator_as_long() != 1):732            return self.add_paren(r)733        else:734            return r735    def pp_power(self, a, d, xs):736        arg1_pp = self.pp_power_arg(a.arg(0), d+1, xs)737        arg2_pp = self.pp_power_arg(a.arg(1), d+1, xs)738        return group(seq((arg1_pp, arg2_pp), '**', False))739    def pp_neq(self):740        return to_format("!=")741    def pp_distinct(self, a, d, xs):742        if a.num_args() == 2:743            op = self.pp_neq()744            sz = _len(op)745            op.string = ' ' + op.string746            op.size   = sz + 1747            return group(seq(self.infix_args(a, d, xs), op))748        else:749            return self.pp_prefix(a, d, xs)750    def pp_select(self, a, d, xs):751        if a.num_args() != 2:752            return self.pp_prefix(a, d, xs)753        else:754            arg1_pp = self.pp_expr(a.arg(0), d+1, xs)755            arg2_pp = self.pp_expr(a.arg(1), d+1, xs)756            return compose(arg1_pp, indent(2, compose(to_format('['), arg2_pp, to_format(']'))))757    def pp_unary_param(self, a, d, xs):758        p   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 0)759        arg = self.pp_expr(a.arg(0), d+1, xs)760        return seq1(self.pp_name(a), [ to_format(p), arg ])761    def pp_extract(self, a, d, xs):762        h   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 0)763        l   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 1)764        arg = self.pp_expr(a.arg(0), d+1, xs)765        return seq1(self.pp_name(a), [ to_format(h), to_format(l), arg ])766    def pp_loop(self, a, d, xs):767        l   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 0)768        arg = self.pp_expr(a.arg(0), d+1, xs)769        if Z3_get_decl_num_parameters(a.ctx_ref(), a.decl().ast) > 1:770            h   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 1)771            return seq1("Loop", [ arg, to_format(l), to_format(h) ])772        return seq1("Loop", [ arg, to_format(l) ])773    def pp_set(self, id, a):774        return seq1(id, [self.pp_sort(a.sort())])775    def pp_pattern(self, a, d, xs):776        if a.num_args() == 1:777            return self.pp_expr(a.arg(0), d, xs)778        else:779            return seq1('MultiPattern', [ self.pp_expr(arg, d+1, xs) for arg in a.children() ])780    def pp_is(self, a, d, xs):781        f  = a.params()[0]782        return self.pp_fdecl(f, a, d, xs)783    def pp_map(self, a, d, xs):784        f  = z3.get_map_func(a)785        return self.pp_fdecl(f, a, d, xs)786    def pp_fdecl(self, f, a, d, xs):787        r  = []788        sz = 0789        r.append(to_format(f.name()))790        for child in a.children(): 791            r.append(self.pp_expr(child, d+1, xs))792            sz = sz + 1793            if sz > self.max_args:794                r.append(self.pp_ellipses())795                break796        return seq1(self.pp_name(a), r)797    def pp_K(self, a, d, xs):798        return seq1(self.pp_name(a), [ self.pp_sort(a.domain()), self.pp_expr(a.arg(0), d+1, xs) ])799    def pp_atmost(self, a, d, f, xs):800        k   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 0)801        return seq1(self.pp_name(a), [seq3([ self.pp_expr(ch, d+1, xs) for ch in a.children()]), to_format(k)])802    def pp_pbcmp(self, a, d, f, xs):803        chs = a.children()804        rchs = range(len(chs))805        k   = Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, 0)806        ks = [Z3_get_decl_int_parameter(a.ctx_ref(), a.decl().ast, i+1) for i in rchs]807        ls = [ seq3([self.pp_expr(chs[i], d+1,xs), to_format(ks[i])]) for i in rchs]808        return seq1(self.pp_name(a), [seq3(ls), to_format(k)])809    def pp_app(self, a, d, xs):810        if z3.is_int_value(a):811            return self.pp_int(a)812        elif z3.is_rational_value(a):813            return self.pp_rational(a)814        elif z3.is_algebraic_value(a):815            return self.pp_algebraic(a)        816        elif z3.is_bv_value(a):817            return self.pp_bv(a)818        elif z3.is_finite_domain_value(a):819            return self.pp_fd(a)820        elif z3.is_fprm_value(a):821            return self.pp_fprm_value(a)822        elif z3.is_fp_value(a):823            return self.pp_fp_value(a)824        elif z3.is_fp(a):825            return self.pp_fp(a, d, xs)826        elif z3.is_string_value(a):827            return self.pp_string(a)828        elif z3.is_const(a):829            return self.pp_const(a)830        else:831            f = a.decl()832            k = f.kind()833            if k == Z3_OP_POWER:834                return self.pp_power(a, d, xs)835            elif k == Z3_OP_DISTINCT:836                return self.pp_distinct(a, d, xs)837            elif k == Z3_OP_SELECT:838                return self.pp_select(a, d, xs)839            elif k == Z3_OP_SIGN_EXT or k == Z3_OP_ZERO_EXT or k == Z3_OP_REPEAT:840                return self.pp_unary_param(a, d, xs)841            elif k == Z3_OP_EXTRACT:842                return self.pp_extract(a, d, xs)843            elif k == Z3_OP_RE_LOOP:844                return self.pp_loop(a, d, xs)845            elif k == Z3_OP_DT_IS:846                return self.pp_is(a, d, xs)847            elif k == Z3_OP_ARRAY_MAP:848                return self.pp_map(a, d, xs)849            elif k == Z3_OP_CONST_ARRAY:850                return self.pp_K(a, d, xs)851            elif k == Z3_OP_PB_AT_MOST:852                return self.pp_atmost(a, d, f, xs)853            elif k == Z3_OP_PB_LE:854                return self.pp_pbcmp(a, d, f, xs)855            elif k == Z3_OP_PB_GE:856                return self.pp_pbcmp(a, d, f, xs)857            elif k == Z3_OP_PB_EQ:858                return self.pp_pbcmp(a, d, f, xs)859            elif z3.is_pattern(a):860                return self.pp_pattern(a, d, xs)861            elif self.is_infix(k):862                return self.pp_infix(a, d, xs)863            elif self.is_unary(k):864                return self.pp_unary(a, d, xs)865            else:866                return self.pp_prefix(a, d, xs)867    def pp_var(self, a, d, xs):868        idx = z3.get_var_index(a)869        sz  = len(xs)870        if idx >= sz:871            return seq1('Var', (to_format(idx),))872        else:873            return to_format(xs[sz - idx - 1])874        875    def pp_quantifier(self, a, d, xs):876        ys = [ to_format(a.var_name(i)) for i in range(a.num_vars()) ]877        new_xs  = xs + ys878        body_pp = self.pp_expr(a.body(), d+1, new_xs)879        if len(ys) == 1:880            ys_pp = ys[0]881        else:882            ys_pp   = seq3(ys, '[', ']')883        if a.is_forall():884            header = 'ForAll'885        elif a.is_exists():886            header = 'Exists'887        else:888            header = 'Lambda'889        return seq1(header, (ys_pp, body_pp))890    def pp_expr(self, a, d, xs):891        self.visited = self.visited + 1892        if d > self.max_depth or self.visited > self.max_visited:893            return self.pp_ellipses()894        if z3.is_app(a):895            return self.pp_app(a, d, xs)896        elif z3.is_quantifier(a):897            return self.pp_quantifier(a, d, xs)898        elif z3.is_var(a):899            return self.pp_var(a, d, xs)900        else:901            return to_format(self.pp_unknown())902    def pp_decl(self, f):903        k = f.kind()904        if k == Z3_OP_DT_IS or k == Z3_OP_ARRAY_MAP:905           g  = f.params()[0]906           r = [ to_format(g.name()) ]907           return seq1(self.pp_name(f), r)908        return self.pp_name(f)        909    def pp_seq_core(self, f, a, d, xs):910        self.visited = self.visited + 1911        if d > self.max_depth or self.visited > self.max_visited:912            return self.pp_ellipses()913        r = []914        sz = 0915        for elem in a:916            r.append(f(elem, d+1, xs))917            sz = sz + 1918            if sz > self.max_args:919                r.append(self.pp_ellipses())920                break921        return seq3(r, '[', ']')922        923    def pp_seq(self, a, d, xs):924        return self.pp_seq_core(self.pp_expr, a, d, xs)925    def pp_seq_seq(self, a, d, xs):926        return self.pp_seq_core(self.pp_seq, a, d, xs)927    def pp_model(self, m):928        r = []929        sz = 0930        for d in m:931            i = m[d]932            if isinstance(i, z3.FuncInterp):933                i_pp = self.pp_func_interp(i)934            else:935                i_pp = self.pp_expr(i, 0, [])936            name = self.pp_name(d)937            r.append(compose(name, to_format(' = '), indent(_len(name) + 3, i_pp)))938            sz = sz + 1939            if sz > self.max_args:940                r.append(self.pp_ellipses())941                break942        return seq3(r, '[', ']')943    def pp_func_entry(self, e):944        num = e.num_args()945        if num > 1:946            args = []947            for i in range(num):948                args.append(self.pp_expr(e.arg_value(i), 0, []))949            args_pp = group(seq3(args))950        else:951            args_pp   = self.pp_expr(e.arg_value(0), 0, [])952        value_pp = self.pp_expr(e.value(), 0, []) 953        return group(seq((args_pp, value_pp), self.pp_arrow()))954    def pp_func_interp(self, f):955        r = []956        sz = 0957        num = f.num_entries()958        for i in range(num):959            r.append(self.pp_func_entry(f.entry(i)))960            sz = sz + 1961            if sz > self.max_args:962                r.append(self.pp_ellipses())963                break964        if sz <= self.max_args:965            else_val = f.else_value()966            if else_val == None:967                else_pp  = to_format('#unspecified')968            else:969                else_pp  = self.pp_expr(else_val, 0, [])970            r.append(group(seq((to_format('else'), else_pp), self.pp_arrow())))971        return seq3(r, '[', ']')972    def pp_list(self, a):973        r = []974        sz = 0975        for elem in a:976            if _support_pp(elem):977                r.append(self.main(elem))978            else:979                r.append(to_format(str(elem)))980            sz = sz + 1981            if sz > self.max_args:982                r.append(self.pp_ellipses())983                break984        if isinstance(a, tuple):985            return seq3(r)986        else:987            return seq3(r, '[', ']')988    def main(self, a):989        if z3.is_expr(a):990            return self.pp_expr(a, 0, [])991        elif z3.is_sort(a):992            return self.pp_sort(a)993        elif z3.is_func_decl(a):994            return self.pp_decl(a)995        elif isinstance(a, z3.Goal) or isinstance(a, z3.AstVector):996            return self.pp_seq(a, 0, [])997        elif isinstance(a, z3.Solver):998            return self.pp_seq(a.assertions(), 0, [])999        elif isinstance(a, z3.Fixedpoint):1000            return a.sexpr()1001        elif isinstance(a, z3.Optimize):1002            return a.sexpr()1003        elif isinstance(a, z3.ApplyResult):1004            return self.pp_seq_seq(a, 0, [])1005        elif isinstance(a, z3.ModelRef):1006            return self.pp_model(a)1007        elif isinstance(a, z3.FuncInterp):1008            return self.pp_func_interp(a)1009        elif isinstance(a, list) or isinstance(a, tuple):1010            return self.pp_list(a)1011        else:1012            return to_format(self.pp_unknown())1013    def __call__(self, a):1014        self.visited = 01015        return self.main(a)1016class HTMLFormatter(Formatter):1017    def __init__(self):1018        Formatter.__init__(self)1019        global _html_ellipses1020        self.ellipses = to_format(_html_ellipses)1021    def pp_arrow(self):1022        return to_format(' &rarr;', 1)1023    def pp_unknown(self):1024        return '<b>unknown</b>'1025        1026    def pp_name(self, a):1027        r = _html_op_name(a)1028        if r[0] == '&' or r[0] == '/' or r[0] == '%':1029            return to_format(r, 1)1030        else:1031            pos = r.find('__')1032            if pos == -1 or pos == 0:1033                return to_format(r)1034            else:1035                sz = len(r)1036                if pos + 2 == sz:1037                    return to_format(r)1038                else:1039                    return to_format('%s<sub>%s</sub>' % (r[0:pos], r[pos+2:sz]), sz - 2)1040    def is_assoc(self, k):1041        return _is_html_assoc(k)1042    def is_left_assoc(self, k):1043        return _is_html_left_assoc(k)1044    def is_infix(self, a):1045        return _is_html_infix(a)1046    1047    def is_unary(self, a):1048        return _is_html_unary(a)1049    def get_precedence(self, a):1050        return _get_html_precedence(a)1051    def pp_neq(self):1052        return to_format("&ne;")1053    def pp_power(self, a, d, xs):1054        arg1_pp = self.pp_power_arg(a.arg(0), d+1, xs)1055        arg2_pp = self.pp_expr(a.arg(1), d+1, xs)1056        return compose(arg1_pp, to_format('<sup>', 1), arg2_pp, to_format('</sup>', 1)) 1057    def pp_var(self, a, d, xs):1058        idx = z3.get_var_index(a)1059        sz  = len(xs)1060        if idx >= sz:1061            # 957 is the greek letter nu1062            return to_format('&#957;<sub>%s</sub>' % idx, 1)1063        else:1064            return to_format(xs[sz - idx - 1])1065    def pp_quantifier(self, a, d, xs):1066        ys = [ to_format(a.var_name(i)) for i in range(a.num_vars()) ]1067        new_xs  = xs + ys1068        body_pp = self.pp_expr(a.body(), d+1, new_xs)1069        ys_pp = group(seq(ys))1070        if a.is_forall():1071            header = '&forall;'1072        else:1073            header = '&exist;'1074        return group(compose(to_format(header, 1), 1075                             indent(1, compose(ys_pp, to_format(' :'), line_break(), body_pp))))1076_PP        = PP()1077_Formatter = Formatter()1078def set_pp_option(k, v):1079    if k == 'html_mode':1080        if v:1081            set_html_mode(True)1082        else:1083            set_html_mode(False)1084        return True1085    if k == 'fpa_pretty':1086        if v:1087            set_fpa_pretty(True)1088        else:1089            set_fpa_pretty(False)...
Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.